Bump WoofWare.Expect from 0.5.1 to 0.6.2 (#406)

Co-authored-by: patrick-conscriptus[bot] <175414948+patrick-conscriptus[bot]@users.noreply.github.com>

.config/dotnet-tools.json

@@ -3,13 +3,13 @@
   "isRoot": true,
   "tools": {
     "fantomas": {
-      "version": "6.3.15",
+      "version": "7.0.3",
       "commands": [
         "fantomas"
       ]
     },
     "fsharp-analyzers": {
-      "version": "0.27.0",
+      "version": "0.32.0",
       "commands": [
         "fsharp-analyzers"
       ]

.envrc

@@ -1 +1,23 @@
 use flake
+DOTNET_PATH=$(readlink "$(which dotnet)")
+SETTINGS_FILE=$(find . -maxdepth 1 -type f -name '*.sln.DotSettings.user')
+MSBUILD=$(realpath "$(find "$(dirname "$DOTNET_PATH")/../share/dotnet/sdk" -maxdepth 2 -type f -name MSBuild.dll)")
+if [ -f "$SETTINGS_FILE" ] ; then
+    xmlstarlet ed --inplace \
+    -N wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation" \
+    -N x="http://schemas.microsoft.com/winfx/2006/xaml" \
+    -N s="clr-namespace:System;assembly=mscorlib" \
+    -N ss="urn:shemas-jetbrains-com:settings-storage-xaml" \
+    --update "//s:String[@x:Key='/Default/Environment/Hierarchy/Build/BuildTool/DotNetCliExePath/@EntryValue']" \
+    --value "$(realpath "$(dirname "$DOTNET_PATH")/../share/dotnet/dotnet")" \
+    "$SETTINGS_FILE"
+
+    xmlstarlet ed --inplace \
+    -N wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation" \
+    -N x="http://schemas.microsoft.com/winfx/2006/xaml" \
+    -N s="clr-namespace:System;assembly=mscorlib" \
+    -N ss="urn:shemas-jetbrains-com:settings-storage-xaml" \
+    --update "//s:String[@x:Key='/Default/Environment/Hierarchy/Build/BuildTool/CustomBuildToolPath/@EntryValue']" \
+    --value "$MSBUILD" \
+    "$SETTINGS_FILE"
+fi

.github/workflows/dotnet.yaml

@@ -29,7 +29,7 @@ jobs:
       with:
         fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
     - name: Install Nix
-      uses: cachix/install-nix-action@v29
+      uses: cachix/install-nix-action@v31
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -50,7 +50,7 @@ jobs:
         with:
           fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -67,7 +67,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -82,7 +82,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -97,7 +97,7 @@ jobs:
         with:
           fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -116,7 +116,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -129,7 +129,7 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -142,7 +142,7 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -156,7 +156,7 @@ jobs:
       with:
         fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
     - name: Install Nix
-      uses: cachix/install-nix-action@v29
+      uses: cachix/install-nix-action@v31
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -198,27 +198,40 @@ jobs:
         # Verify that there is exactly one nupkg in the artifact that would be NuGet published
         run: if [[ $(find packed-attribute -maxdepth 1 -name 'WoofWare.Myriad.Plugins.Attributes.*.nupkg' -printf c | wc -c) -ne "1" ]]; then exit 1; fi
 
-  github-release-plugin-dry-run:
-    needs: [nuget-pack]
+  github-release-dry-run:
+    strategy:
+      matrix:
+        artifact:
+        - nuget-package-plugin
+        - nuget-package-attribute
     runs-on: ubuntu-latest
+    needs: [nuget-pack]
     steps:
       - uses: actions/checkout@v4
-      - name: Download NuGet artifact (plugin)
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
-          name: nuget-package-plugin
-      - name: Download NuGet artifact (attribute)
-        uses: actions/download-artifact@v4
-        with:
-          name: nuget-package-attribute
-      - name: Tag and release plugin
+          name: ${{ matrix.artifact }}
+      - name: Compute package path
+        id: compute-path
+        run: |
+          find . -maxdepth 1 -type f -name 'WoofWare.Myriad.*.nupkg' -exec sh -c 'echo "output=$(basename "$1")" >> $GITHUB_OUTPUT' shell {} \;
+      - name: Compute tag name
+        id: compute-tag
         env:
-          DRY_RUN: 1
-          GITHUB_TOKEN: mock-token
-        run: sh .github/workflows/tag.sh
+          NUPKG_PATH: ${{ steps.compute-path.outputs.output }}
+        run: echo "output=$(basename "$NUPKG_PATH" .nupkg)" >> $GITHUB_OUTPUT
+      - name: Tag and release
+        uses: G-Research/common-actions/github-release@19d7281a0f9f83e13c78f99a610dbc80fc59ba3b
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          target-commitish: ${{ github.sha }}
+          tag: ${{ steps.compute-tag.outputs.output }}
+          binary-contents: ${{ steps.compute-path.outputs.output }}
+          dry-run: true
 
   all-required-checks-complete:
-    needs: [check-dotnet-format, check-nix-format, check-accurate-generations, build, build-nix, linkcheck, flake-check, analyzers, nuget-pack, expected-pack, github-release-plugin-dry-run]
+    needs: [check-dotnet-format, check-nix-format, check-accurate-generations, build, build-nix, linkcheck, flake-check, analyzers, nuget-pack, expected-pack, github-release-dry-run]
     if: ${{ always() }}
     runs-on: ubuntu-latest
     steps:
@@ -241,7 +254,7 @@ jobs:
           name: nuget-package-attribute
           path: packed
       - name: Attest Build Provenance
-        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c # v1.4.3
+        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2.4.0
         with:
           subject-path: "packed/*.nupkg"
 
@@ -260,7 +273,7 @@ jobs:
           name: nuget-package-plugin
           path: packed
       - name: Attest Build Provenance
-        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c # v1.4.3
+        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2.4.0
         with:
           subject-path: "packed/*.nupkg"
 
@@ -276,7 +289,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -309,7 +322,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v29
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -330,7 +343,12 @@ jobs:
           nupkg-dir: packed/
           dotnet: ${{ steps.dotnet-identify.outputs.dotnet }}
 
-  github-release-plugin:
+  github-release:
+    strategy:
+      matrix:
+        artifact:
+        - nuget-package-attribute
+        - nuget-package-plugin
     runs-on: ubuntu-latest
     if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
     needs: [all-required-checks-complete]
@@ -339,15 +357,23 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v4
-      - name: Download NuGet artifact (plugin)
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
-          name: nuget-package-plugin
-      - name: Download NuGet artifact (attribute)
-        uses: actions/download-artifact@v4
-        with:
-          name: nuget-package-attribute
-      - name: Tag and release plugin
+          name: ${{ matrix.artifact }}
+      - name: Compute package path
+        id: compute-path
+        run: |
+          find . -maxdepth 1 -type f -name 'WoofWare.Myriad.*.nupkg' -exec sh -c 'echo "output=$(basename "$1")" >> $GITHUB_OUTPUT' shell {} \;
+      - name: Compute tag name
+        id: compute-tag
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: sh .github/workflows/tag.sh
+          NUPKG_PATH: ${{ steps.compute-path.outputs.output }}
+        run: echo "output=$(basename "$NUPKG_PATH" .nupkg)" >> $GITHUB_OUTPUT
+      - name: Tag and release
+        uses: G-Research/common-actions/github-release@19d7281a0f9f83e13c78f99a610dbc80fc59ba3b
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          target-commitish: ${{ github.sha }}
+          tag: ${{ steps.compute-tag.outputs.output }}
+          binary-contents: ${{ steps.compute-path.outputs.output }}

.github/workflows/flake_update.yaml

@@ -21,31 +21,32 @@ jobs:
       - name: Update Nix flake
         run: 'nix flake update'
 
-      - name: Build passthru
-        run: 'nix build ".#default.passthru.fetch-deps"'
+      - name: Build fetch-deps
+        run: 'nix build ".#default.fetch-deps"'
 
-      - name: Run passthru
+      - name: Run fetch-deps
         run: |
             set -o pipefail
-            ./result nix/deps.nix
+            ./result nix/deps.json
 
       - name: Format
         run: 'nix develop --command alejandra .'
 
       - name: Create token
         id: generate-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           # https://github.com/actions/create-github-app-token/issues/136
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Raise pull request
-        uses: Smaug123/commit-action@cc25e6d80a796c49669dda4a0aa36c54c573983d
+        uses: Smaug123/commit-action@d34807f26cb52c7a05bbd80efe9f964cdf29bc87
         id: cpr
         with:
             bearer-token: ${{ steps.generate-token.outputs.token }}
             pr-title: "Upgrade Nix flake and deps"
+            branch-name: "auto-pr"
 
       - name: Enable Pull Request Automerge
         if: ${{ steps.cpr.outputs.pull-request-number }}

.github/workflows/tag.sh

@@ -1,120 +0,0 @@
-#!/bin/bash
-
-echo "Dry-run? $DRY_RUN!"
-
-find . -maxdepth 1 -type f ! -name "$(printf "*\n*")" -name '*.nupkg' | while IFS= read -r file
-do
-    tag=$(basename "$file" .nupkg)
-    git tag "$tag"
-    ${DRY_RUN:+echo} git push origin "$tag"
-done
-
-export TAG
-TAG=$(find . -maxdepth 1 -type f -name 'WoofWare.Myriad.Plugins.*.nupkg' -exec sh -c 'basename "$1" .nupkg' shell {} \; | grep -v Attributes)
-
-case "$TAG" in
-  *"
-"*)
-    echo "Error: TAG contains a newline; multiple plugins found."
-    exit 1
-    ;;
-esac
-
-# target_commitish empty indicates the repo default branch
-curl_body='{"tag_name":"'"$TAG"'","target_commitish":"","name":"'"$TAG"'","draft":false,"prerelease":false,"generate_release_notes":false}'
-
-echo "cURL body: $curl_body"
-
-failed_output=$(cat <<'EOF'
-{
-  "message": "Validation Failed",
-  "errors": [
-    {
-      "resource": "Release",
-      "code": "already_exists",
-      "field": "tag_name"
-    }
-  ],
-  "documentation_url": "https://docs.github.com/rest/releases/releases#create-a-release"
-}
-EOF
-)
-
-success_output=$(cat <<'EOF'
-{
-  "url": "https://api.github.com/repos/Smaug123/WoofWare.Myriad/releases/158152116",
-  "assets_url": "https://api.github.com/repos/Smaug123/WoofWare.Myriad/releases/158152116/assets",
-  "upload_url": "https://uploads.github.com/repos/Smaug123/WoofWare.Myriad/releases/158152116/assets{?name,label}",
-  "html_url": "https://github.com/Smaug123/WoofWare.Myriad/releases/tag/WoofWare.Myriad.Plugins.2.1.30",
-  "id": 158152116,
-  "author": {
-    "login": "github-actions[bot]",
-    "id": 41898282,
-    "node_id": "MDM6Qm90NDE4OTgyODI=",
-    "avatar_url": "https://avatars.githubusercontent.com/in/15368?v=4",
-    "gravatar_id": "",
-    "url": "https://api.github.com/users/github-actions%5Bbot%5D",
-    "html_url": "https://github.com/apps/github-actions",
-    "followers_url": "https://api.github.com/users/github-actions%5Bbot%5D/followers",
-    "following_url": "https://api.github.com/users/github-actions%5Bbot%5D/following{/other_user}",
-    "gists_url": "https://api.github.com/users/github-actions%5Bbot%5D/gists{/gist_id}",
-    "starred_url": "https://api.github.com/users/github-actions%5Bbot%5D/starred{/owner}{/repo}",
-    "subscriptions_url": "https://api.github.com/users/github-actions%5Bbot%5D/subscriptions",
-    "organizations_url": "https://api.github.com/users/github-actions%5Bbot%5D/orgs",
-    "repos_url": "https://api.github.com/users/github-actions%5Bbot%5D/repos",
-    "events_url": "https://api.github.com/users/github-actions%5Bbot%5D/events{/privacy}",
-    "received_events_url": "https://api.github.com/users/github-actions%5Bbot%5D/received_events",
-    "type": "Bot",
-    "site_admin": false
-  },
-  "node_id": "RE_kwDOJfksgc4JbTW0",
-  "tag_name": "WoofWare.Myriad.Plugins.2.1.30",
-  "target_commitish": "main",
-  "name": "WoofWare.Myriad.Plugins.2.1.30",
-  "draft": false,
-  "prerelease": false,
-  "created_at": "2024-05-30T11:00:55Z",
-  "published_at": "2024-05-30T11:03:02Z",
-  "assets": [
-
-  ],
-  "tarball_url": "https://api.github.com/repos/Smaug123/WoofWare.Myriad/tarball/WoofWare.Myriad.Plugins.2.1.30",
-  "zipball_url": "https://api.github.com/repos/Smaug123/WoofWare.Myriad/zipball/WoofWare.Myriad.Plugins.2.1.30",
-  "body": null
-}
-EOF
-)
-
-HANDLE_OUTPUT=''
-handle_error() {
-    ERROR_OUTPUT="$1"
-    exit_message=$(echo "$ERROR_OUTPUT" | jq -r --exit-status 'if .errors | length == 1 then .errors[0].code else null end')
-    if [ "$exit_message" = "already_exists" ] ; then
-        HANDLE_OUTPUT="Did not create GitHub release because it already exists at this version."
-    else
-        echo "Unexpected error output from curl: $(cat curl_output.json)"
-        echo "JQ output: $(exit_message)"
-        exit 2
-    fi
-}
-
-run_tests() {
-    handle_error "$failed_output"
-    if [ "$HANDLE_OUTPUT" != "Did not create GitHub release because it already exists at this version." ]; then
-        echo "Bad output from handler: $HANDLE_OUTPUT"
-        exit 3
-    fi
-    HANDLE_OUTPUT=''
-    echo "Tests passed."
-}
-
-run_tests
-
-if [ "$DRY_RUN" != 1 ] ; then
-    if curl --fail-with-body -L -X POST -H "Accept: application/vnd.github+json" -H "Authorization: Bearer $GITHUB_TOKEN" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/Smaug123/WoofWare.Myriad/releases -d "$curl_body" > curl_output.json; then
-        echo "Curl succeeded."
-    else
-        handle_error "$(cat curl_output.json)"
-        echo "$HANDLE_OUTPUT"
-    fi
-fi

CHANGELOG.md

@@ -1,5 +1,32 @@
 Notable changes are recorded here.
 
+# WoofWare.Myriad.Plugins 8.0.3
+
+The RestEase-style HTTP client generator now automatically adds the `application/json` content type header to requests which are POSTing a body that is known to be JSON-serialised.
+You can override this by setting the `[<RestEase.Header ("Content-Type", "desired content type")>]` header manually on any affected member.
+
+# WoofWare.Myriad.Plugins 7.0.1
+
+All generators should now be compatible with `<Nullable>enable</Nullable>`.
+
+**Please test the results and let me know of unexpected failures.**
+There are a number of heuristics in this code, because:
+
+* `System.Text.Json.Nodes` is an unfathomably weird API which simply requires us to make educated guesses about whether a user-provided type is supposed to be nullable, despite this being irrelevant to the operation of `System.Text.Json`;
+* Some types (like `Uri` and `String`) have `ToString` methods which can't return `null`, but in general `Object.ToString` can of course return `null`, and as far as I can tell there is simply no way to know from the source alone whether a given type will have a nullable `ToString`.
+
+# WoofWare.Myriad.Plugins 6.0.1
+
+The `ArgParser` generator's type signatures have changed.
+The `parse'` method no longer takes `getEnvironmentVariable : string -> string`; it's now `getEnvironmentVariable : string -> string option`.
+This is to permit satisfying the `<Nullable>enable</Nullable>` compiler setting.
+If you're calling `parse'`, give it `Environment.GetEnvironmentVariable >> Option.ofObj` instead.
+
+# WoofWare.Myriad.Plugins 5.0.1
+
+We now enforce non-nullability on more types during JSON parse.
+We have always expected you to consume nullable types wrapped in an `option`, but now we enforce this in more cases by throwing `ArgumentNullException`.
+
 # WoofWare.Myriad.Plugins 3.0.1
 
 Semantics of `HttpClient`'s URI component composition changed:

ConsumePlugin/ConsumePlugin.fsproj

@@ -1,9 +1,10 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <OtherFlags>--reflectionfree $(OtherFlags)</OtherFlags>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
     <MyriadSdkGenerator Include="$(MSBuildThisFileDirectory)..\WoofWare.Myriad.Plugins\bin\$(Configuration)\net6.0\WoofWare.Myriad.Plugins.dll"/>

ConsumePlugin/GeneratedArgs.fs

@@ -23,7 +23,7 @@ module BasicNoPositionals =
         /// Waiting to receive a value for the key we've already consumed
         | AwaitingValue of key : string
 
-    let parse' (getEnvironmentVariable : string -> string) (args : string list) : BasicNoPositionals =
+    let parse' (getEnvironmentVariable : string -> string option) (args : string list) : BasicNoPositionals =
         let ArgParser_errors = ResizeArray ()
 
         let helpText () =
@@ -223,7 +223,7 @@ module BasicNoPositionals =
             ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
     let parse (args : string list) : BasicNoPositionals =
-        parse' System.Environment.GetEnvironmentVariable args
+        parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -239,7 +239,7 @@ module Basic =
         /// Waiting to receive a value for the key we've already consumed
         | AwaitingValue of key : string
 
-    let parse' (getEnvironmentVariable : string -> string) (args : string list) : Basic =
+    let parse' (getEnvironmentVariable : string -> string option) (args : string list) : Basic =
         let ArgParser_errors = ResizeArray ()
 
         let helpText () =
@@ -430,7 +430,7 @@ module Basic =
             ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
     let parse (args : string list) : Basic =
-        parse' System.Environment.GetEnvironmentVariable args
+        parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -446,7 +446,7 @@ module BasicWithIntPositionals =
         /// Waiting to receive a value for the key we've already consumed
         | AwaitingValue of key : string
 
-    let parse' (getEnvironmentVariable : string -> string) (args : string list) : BasicWithIntPositionals =
+    let parse' (getEnvironmentVariable : string -> string option) (args : string list) : BasicWithIntPositionals =
         let ArgParser_errors = ResizeArray ()
 
         let helpText () =
@@ -633,7 +633,7 @@ module BasicWithIntPositionals =
             ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
     let parse (args : string list) : BasicWithIntPositionals =
-        parse' System.Environment.GetEnvironmentVariable args
+        parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -649,7 +649,7 @@ module LoadsOfTypes =
         /// Waiting to receive a value for the key we've already consumed
         | AwaitingValue of key : string
 
-    let parse' (getEnvironmentVariable : string -> string) (args : string list) : LoadsOfTypes =
+    let parse' (getEnvironmentVariable : string -> string option) (args : string list) : LoadsOfTypes =
         let ArgParser_errors = ResizeArray ()
 
         let helpText () =
@@ -1038,7 +1038,7 @@ module LoadsOfTypes =
             match arg_10 with
             | None ->
                 match "CONSUMEPLUGIN_THINGS" |> getEnvironmentVariable with
-                | null ->
+                | None ->
                     sprintf
                         "No value was supplied for %s, nor was environment variable %s set"
                         (sprintf "--%s" "yet-another-optional-thing")
@@ -1046,7 +1046,7 @@ module LoadsOfTypes =
                     |> ArgParser_errors.Add
 
                     Unchecked.defaultof<_>
-                | x -> x |> (fun x -> x)
+                | Some x -> x |> (fun x -> x)
                 |> Choice2Of2
             | Some x -> Choice1Of2 x
 
@@ -1068,7 +1068,7 @@ module LoadsOfTypes =
             ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
     let parse (args : string list) : LoadsOfTypes =
-        parse' System.Environment.GetEnvironmentVariable args
+        parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -1084,7 +1084,7 @@ module LoadsOfTypesNoPositionals =
         /// Waiting to receive a value for the key we've already consumed
         | AwaitingValue of key : string
 
-    let parse' (getEnvironmentVariable : string -> string) (args : string list) : LoadsOfTypesNoPositionals =
+    let parse' (getEnvironmentVariable : string -> string option) (args : string list) : LoadsOfTypesNoPositionals =
         let ArgParser_errors = ResizeArray ()
 
         let helpText () =
@@ -1476,7 +1476,7 @@ module LoadsOfTypesNoPositionals =
             match arg_9 with
             | None ->
                 match "CONSUMEPLUGIN_THINGS" |> getEnvironmentVariable with
-                | null ->
+                | None ->
                     sprintf
                         "No value was supplied for %s, nor was environment variable %s set"
                         (sprintf "--%s" "yet-another-optional-thing")
@@ -1484,7 +1484,7 @@ module LoadsOfTypesNoPositionals =
                     |> ArgParser_errors.Add
 
                     Unchecked.defaultof<_>
-                | x -> x |> (fun x -> x)
+                | Some x -> x |> (fun x -> x)
                 |> Choice2Of2
             | Some x -> Choice1Of2 x
 
@@ -1505,7 +1505,7 @@ module LoadsOfTypesNoPositionals =
             ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
     let parse (args : string list) : LoadsOfTypesNoPositionals =
-        parse' System.Environment.GetEnvironmentVariable args
+        parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -1524,7 +1524,7 @@ module DatesAndTimesArgParse =
     /// Extension methods for argument parsing
     type DatesAndTimes with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : DatesAndTimes =
+        static member parse' (getEnvironmentVariable : string -> string option) (args : string list) : DatesAndTimes =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -1787,7 +1787,7 @@ module DatesAndTimesArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : DatesAndTimes =
-            DatesAndTimes.parse' System.Environment.GetEnvironmentVariable args
+            DatesAndTimes.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -1806,7 +1806,7 @@ module ParentRecordArgParse =
     /// Extension methods for argument parsing
     type ParentRecord with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ParentRecord =
+        static member parse' (getEnvironmentVariable : string -> string option) (args : string list) : ParentRecord =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2016,7 +2016,7 @@ module ParentRecordArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ParentRecord =
-            ParentRecord.parse' System.Environment.GetEnvironmentVariable args
+            ParentRecord.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2035,7 +2035,11 @@ module ParentRecordChildPosArgParse =
     /// Extension methods for argument parsing
     type ParentRecordChildPos with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ParentRecordChildPos =
+        static member parse'
+            (getEnvironmentVariable : string -> string option)
+            (args : string list)
+            : ParentRecordChildPos
+            =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2209,7 +2213,7 @@ module ParentRecordChildPosArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ParentRecordChildPos =
-            ParentRecordChildPos.parse' System.Environment.GetEnvironmentVariable args
+            ParentRecordChildPos.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2228,7 +2232,11 @@ module ParentRecordSelfPosArgParse =
     /// Extension methods for argument parsing
     type ParentRecordSelfPos with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ParentRecordSelfPos =
+        static member parse'
+            (getEnvironmentVariable : string -> string option)
+            (args : string list)
+            : ParentRecordSelfPos
+            =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2388,7 +2396,7 @@ module ParentRecordSelfPosArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ParentRecordSelfPos =
-            ParentRecordSelfPos.parse' System.Environment.GetEnvironmentVariable args
+            ParentRecordSelfPos.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2407,7 +2415,11 @@ module ChoicePositionalsArgParse =
     /// Extension methods for argument parsing
     type ChoicePositionals with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ChoicePositionals =
+        static member parse'
+            (getEnvironmentVariable : string -> string option)
+            (args : string list)
+            : ChoicePositionals
+            =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2502,7 +2514,7 @@ module ChoicePositionalsArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ChoicePositionals =
-            ChoicePositionals.parse' System.Environment.GetEnvironmentVariable args
+            ChoicePositionals.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2521,7 +2533,11 @@ module ContainsBoolEnvVarArgParse =
     /// Extension methods for argument parsing
     type ContainsBoolEnvVar with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ContainsBoolEnvVar =
+        static member parse'
+            (getEnvironmentVariable : string -> string option)
+            (args : string list)
+            : ContainsBoolEnvVar
+            =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2653,7 +2669,7 @@ module ContainsBoolEnvVarArgParse =
                 match arg_0 with
                 | None ->
                     match "CONSUMEPLUGIN_THINGS" |> getEnvironmentVariable with
-                    | null ->
+                    | None ->
                         sprintf
                             "No value was supplied for %s, nor was environment variable %s set"
                             (sprintf "--%s" "bool-var")
@@ -2661,7 +2677,7 @@ module ContainsBoolEnvVarArgParse =
                         |> ArgParser_errors.Add
 
                         Unchecked.defaultof<_>
-                    | x ->
+                    | Some x ->
                         if System.String.Equals (x, "1", System.StringComparison.OrdinalIgnoreCase) then
                             true
                         else if System.String.Equals (x, "0", System.StringComparison.OrdinalIgnoreCase) then
@@ -2679,7 +2695,7 @@ module ContainsBoolEnvVarArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ContainsBoolEnvVar =
-            ContainsBoolEnvVar.parse' System.Environment.GetEnvironmentVariable args
+            ContainsBoolEnvVar.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2698,7 +2714,7 @@ module WithFlagDuArgParse =
     /// Extension methods for argument parsing
     type WithFlagDu with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : WithFlagDu =
+        static member parse' (getEnvironmentVariable : string -> string option) (args : string list) : WithFlagDu =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -2852,7 +2868,7 @@ module WithFlagDuArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : WithFlagDu =
-            WithFlagDu.parse' System.Environment.GetEnvironmentVariable args
+            WithFlagDu.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -2871,7 +2887,11 @@ module ContainsFlagEnvVarArgParse =
     /// Extension methods for argument parsing
     type ContainsFlagEnvVar with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ContainsFlagEnvVar =
+        static member parse'
+            (getEnvironmentVariable : string -> string option)
+            (args : string list)
+            : ContainsFlagEnvVar
+            =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -3018,7 +3038,7 @@ module ContainsFlagEnvVarArgParse =
                 match arg_0 with
                 | None ->
                     match "CONSUMEPLUGIN_THINGS" |> getEnvironmentVariable with
-                    | null ->
+                    | None ->
                         sprintf
                             "No value was supplied for %s, nor was environment variable %s set"
                             (sprintf "--%s" "dry-run")
@@ -3026,7 +3046,7 @@ module ContainsFlagEnvVarArgParse =
                         |> ArgParser_errors.Add
 
                         Unchecked.defaultof<_>
-                    | x ->
+                    | Some x ->
                         if System.String.Equals (x, "1", System.StringComparison.OrdinalIgnoreCase) then
                             if true = Consts.FALSE then
                                 DryRunMode.Wet
@@ -3056,7 +3076,7 @@ module ContainsFlagEnvVarArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ContainsFlagEnvVar =
-            ContainsFlagEnvVar.parse' System.Environment.GetEnvironmentVariable args
+            ContainsFlagEnvVar.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -3076,7 +3096,7 @@ module ContainsFlagDefaultValueArgParse =
     type ContainsFlagDefaultValue with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : ContainsFlagDefaultValue
             =
@@ -3239,7 +3259,7 @@ module ContainsFlagDefaultValueArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ContainsFlagDefaultValue =
-            ContainsFlagDefaultValue.parse' System.Environment.GetEnvironmentVariable args
+            ContainsFlagDefaultValue.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -3258,7 +3278,7 @@ module ManyLongFormsArgParse =
     /// Extension methods for argument parsing
     type ManyLongForms with
 
-        static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ManyLongForms =
+        static member parse' (getEnvironmentVariable : string -> string option) (args : string list) : ManyLongForms =
             let ArgParser_errors = ResizeArray ()
 
             let helpText () =
@@ -3504,7 +3524,7 @@ module ManyLongFormsArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : ManyLongForms =
-            ManyLongForms.parse' System.Environment.GetEnvironmentVariable args
+            ManyLongForms.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -3524,7 +3544,7 @@ module FlagsIntoPositionalArgsArgParse =
     type FlagsIntoPositionalArgs with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : FlagsIntoPositionalArgs
             =
@@ -3668,7 +3688,7 @@ module FlagsIntoPositionalArgsArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : FlagsIntoPositionalArgs =
-            FlagsIntoPositionalArgs.parse' System.Environment.GetEnvironmentVariable args
+            FlagsIntoPositionalArgs.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -3688,7 +3708,7 @@ module FlagsIntoPositionalArgsChoiceArgParse =
     type FlagsIntoPositionalArgsChoice with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : FlagsIntoPositionalArgsChoice
             =
@@ -3832,7 +3852,7 @@ module FlagsIntoPositionalArgsChoiceArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : FlagsIntoPositionalArgsChoice =
-            FlagsIntoPositionalArgsChoice.parse' System.Environment.GetEnvironmentVariable args
+            FlagsIntoPositionalArgsChoice.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -3852,7 +3872,7 @@ module FlagsIntoPositionalArgsIntArgParse =
     type FlagsIntoPositionalArgsInt with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : FlagsIntoPositionalArgsInt
             =
@@ -3996,7 +4016,7 @@ module FlagsIntoPositionalArgsIntArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : FlagsIntoPositionalArgsInt =
-            FlagsIntoPositionalArgsInt.parse' System.Environment.GetEnvironmentVariable args
+            FlagsIntoPositionalArgsInt.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -4016,7 +4036,7 @@ module FlagsIntoPositionalArgsIntChoiceArgParse =
     type FlagsIntoPositionalArgsIntChoice with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : FlagsIntoPositionalArgsIntChoice
             =
@@ -4160,7 +4180,7 @@ module FlagsIntoPositionalArgsIntChoiceArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : FlagsIntoPositionalArgsIntChoice =
-            FlagsIntoPositionalArgsIntChoice.parse' System.Environment.GetEnvironmentVariable args
+            FlagsIntoPositionalArgsIntChoice.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args
 namespace ConsumePlugin
 
 open System
@@ -4180,7 +4200,7 @@ module FlagsIntoPositionalArgs'ArgParse =
     type FlagsIntoPositionalArgs' with
 
         static member parse'
-            (getEnvironmentVariable : string -> string)
+            (getEnvironmentVariable : string -> string option)
             (args : string list)
             : FlagsIntoPositionalArgs'
             =
@@ -4324,4 +4344,4 @@ module FlagsIntoPositionalArgs'ArgParse =
                 ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
 
         static member parse (args : string list) : FlagsIntoPositionalArgs' =
-            FlagsIntoPositionalArgs'.parse' System.Environment.GetEnvironmentVariable args
+            FlagsIntoPositionalArgs'.parse' (System.Environment.GetEnvironmentVariable >> Option.ofObj) args

ConsumePlugin/GeneratedJson.fs

@@ -14,7 +14,24 @@ module internal InternalTypeNotExtensionSerial =
     /// Serialize to a JSON node
     let toJsonNode (input : InternalTypeNotExtensionSerial) : System.Text.Json.Nodes.JsonNode =
         let node = System.Text.Json.Nodes.JsonObject ()
-        do node.Add ((Literals.something), (input.InternalThing2 |> System.Text.Json.Nodes.JsonValue.Create<string>))
+
+        do
+            node.Add (
+                (Literals.something),
+                (input.InternalThing2
+                 |> (fun field ->
+                     let field = System.Text.Json.Nodes.JsonValue.Create<string> field
+
+                     (match field with
+                      | null ->
+                          raise (
+                              System.ArgumentNullException
+                                  "Expected type string to be non-null, but received a null value when serialising"
+                          )
+                      | field -> field)
+                 ))
+            )
+
         node :> _
 namespace ConsumePlugin
 
@@ -29,7 +46,24 @@ module internal InternalTypeExtensionJsonSerializeExtension =
         /// Serialize to a JSON node
         static member toJsonNode (input : InternalTypeExtension) : System.Text.Json.Nodes.JsonNode =
             let node = System.Text.Json.Nodes.JsonObject ()
-            do node.Add ((Literals.something), (input.ExternalThing |> System.Text.Json.Nodes.JsonValue.Create<string>))
+
+            do
+                node.Add (
+                    (Literals.something),
+                    (input.ExternalThing
+                     |> (fun field ->
+                         let field = System.Text.Json.Nodes.JsonValue.Create<string> field
+
+                         (match field with
+                          | null ->
+                              raise (
+                                  System.ArgumentNullException
+                                      "Expected type string to be non-null, but received a null value when serialising"
+                              )
+                          | field -> field)
+                     ))
+                )
+
             node :> _
 
 namespace ConsumePlugin
@@ -40,16 +74,14 @@ module InnerType =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : InnerType =
         let arg_0 =
-            (match node.[(Literals.something)] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ((Literals.something))
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.[(Literals.something)] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ((Literals.something))
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         {
             Thing = arg_0
@@ -62,79 +94,97 @@ module JsonRecordType =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : JsonRecordType =
         let arg_5 =
-            (match node.["f"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("f")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.Int32> ())
-            |> Array.ofSeq
+            match node.["f"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("f")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type int32) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.Int32> ())
+                )
+                |> Array.ofSeq
 
         let arg_4 =
-            (match node.["e"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("e")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.String> ())
-            |> Array.ofSeq
+            match node.["e"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("e")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type string) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.String> ())
+                )
+                |> Array.ofSeq
 
         let arg_3 =
-            InnerType.jsonParse (
-                match node.["d"] with
-                | null ->
-                    raise (
-                        System.Collections.Generic.KeyNotFoundException (
-                            sprintf "Required key '%s' not found on JSON object" ("d")
-                        )
+            match node.["d"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("d")
                     )
-                | v -> v
-            )
+                )
+            | Some node -> InnerType.jsonParse node
 
         let arg_2 =
-            (match node.["hi"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("hi")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.Int32> ())
-            |> List.ofSeq
+            match node.["hi"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("hi")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type int32) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.Int32> ())
+                )
+                |> List.ofSeq
 
         let arg_1 =
-            (match node.["another-thing"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("another-thing")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["another-thing"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("another-thing")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_0 =
-            (match node.["a"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("a")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Int32> ()
+            match node.["a"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("a")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Int32> ()
 
         {
             A = arg_0
@@ -152,16 +202,14 @@ module internal InternalTypeNotExtension =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : InternalTypeNotExtension =
         let arg_0 =
-            (match node.[(Literals.something)] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ((Literals.something))
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.[(Literals.something)] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ((Literals.something))
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         {
             InternalThing = arg_0
@@ -177,16 +225,14 @@ module internal InternalTypeExtensionJsonParseExtension =
         /// Parse from a JSON node.
         static member jsonParse (node : System.Text.Json.Nodes.JsonNode) : InternalTypeExtension =
             let arg_0 =
-                (match node.[(Literals.something)] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ((Literals.something))
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.String> ()
+                match node.[(Literals.something)] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ((Literals.something))
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.String> ()
 
             {
                 ExternalThing = arg_0
@@ -201,248 +247,215 @@ module ToGetExtensionMethodJsonParseExtension =
 
         /// Parse from a JSON node.
         static member jsonParse (node : System.Text.Json.Nodes.JsonNode) : ToGetExtensionMethod =
-            let arg_20 = System.Numerics.BigInteger.Parse (node.["whiskey"].ToJsonString ())
+            let arg_20 =
+                match node.["whiskey"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("whiskey")
+                        )
+                    )
+                | Some node -> System.Numerics.BigInteger.Parse (node.ToJsonString ())
 
             let arg_19 =
-                (match node.["victor"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("victor")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Char> ()
+                match node.["victor"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("victor")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Char> ()
 
             let arg_18 =
-                (match node.["uniform"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("uniform")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Decimal> ()
+                match node.["uniform"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("uniform")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Decimal> ()
 
             let arg_17 =
-                (match node.["tango"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("tango")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.SByte> ()
+                match node.["tango"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("tango")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.SByte> ()
 
             let arg_16 =
-                (match node.["quebec"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("quebec")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Byte> ()
+                match node.["quebec"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("quebec")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Byte> ()
 
             let arg_15 =
-                (match node.["papa"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("papa")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Byte> ()
+                match node.["papa"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("papa")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Byte> ()
 
             let arg_14 =
-                (match node.["oscar"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("oscar")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.SByte> ()
+                match node.["oscar"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("oscar")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.SByte> ()
 
             let arg_13 =
-                (match node.["november"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("november")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.UInt16> ()
+                match node.["november"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("november")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.UInt16> ()
 
             let arg_12 =
-                (match node.["mike"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("mike")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Int16> ()
+                match node.["mike"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("mike")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Int16> ()
 
             let arg_11 =
-                (match node.["lima"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("lima")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.UInt32> ()
+                match node.["lima"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("lima")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.UInt32> ()
 
             let arg_10 =
-                (match node.["kilo"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("kilo")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Int32> ()
+                match node.["kilo"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("kilo")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Int32> ()
 
             let arg_9 =
-                (match node.["juliette"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("juliette")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.UInt32> ()
+                match node.["juliette"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("juliette")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.UInt32> ()
 
             let arg_8 =
-                (match node.["india"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("india")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Int32> ()
+                match node.["india"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("india")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Int32> ()
 
             let arg_7 =
-                (match node.["hotel"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("hotel")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.UInt64> ()
+                match node.["hotel"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("hotel")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.UInt64> ()
 
             let arg_6 =
-                (match node.["golf"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("golf")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Int64> ()
+                match node.["golf"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("golf")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Int64> ()
 
             let arg_5 =
-                (match node.["foxtrot"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("foxtrot")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Double> ()
+                match node.["foxtrot"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("foxtrot")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Double> ()
 
             let arg_4 =
-                (match node.["echo"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("echo")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Single> ()
+                match node.["echo"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("echo")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Single> ()
 
             let arg_3 =
-                (match node.["delta"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("delta")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Single> ()
+                match node.["delta"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("delta")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Single> ()
 
             let arg_2 =
-                (match node.["charlie"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("charlie")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.Double> ()
+                match node.["charlie"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("charlie")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.Double> ()
 
             let arg_1 =
-                (match node.["bravo"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("bravo")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<string> ()
-                |> System.Uri
+                match node.["bravo"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("bravo")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<string> () |> System.Uri
 
             let arg_0 =
-                (match node.["alpha"] with
-                 | null ->
-                     raise (
-                         System.Collections.Generic.KeyNotFoundException (
-                             sprintf "Required key '%s' not found on JSON object" ("alpha")
-                         )
-                     )
-                 | v -> v)
-                    .AsValue()
-                    .GetValue<System.String> ()
+                match node.["alpha"] |> Option.ofObj with
+                | None ->
+                    raise (
+                        System.Collections.Generic.KeyNotFoundException (
+                            sprintf "Required key '%s' not found on JSON object" ("alpha")
+                        )
+                    )
+                | Some node -> node.AsValue().GetValue<System.String> ()
 
             {
                 Alpha = arg_0

ConsumePlugin/GeneratedMock.fs

@@ -206,3 +206,34 @@ type internal TypeWithInterfaceMock =
 
     interface System.IDisposable with
         member this.Dispose () : unit = this.Dispose ()
+namespace SomeNamespace
+
+open System
+open WoofWare.Myriad.Plugins
+
+/// Mock record type for an interface
+type internal TypeWithPropertiesMock =
+    {
+        /// Implementation of IDisposable.Dispose
+        Dispose : unit -> unit
+        Prop1 : unit -> int
+        Prop2 : unit -> unit Async
+        Mem1 : string option -> string[] Async
+    }
+
+    /// An implementation where every method throws.
+    static member Empty : TypeWithPropertiesMock =
+        {
+            Dispose = (fun () -> ())
+            Prop1 = (fun _ -> raise (System.NotImplementedException "Unimplemented mock function: Prop1"))
+            Prop2 = (fun _ -> raise (System.NotImplementedException "Unimplemented mock function: Prop2"))
+            Mem1 = (fun _ -> raise (System.NotImplementedException "Unimplemented mock function: Mem1"))
+        }
+
+    interface TypeWithProperties with
+        member this.Mem1 arg_0_0 = this.Mem1 (arg_0_0)
+        member this.Prop1 = this.Prop1 ()
+        member this.Prop2 = this.Prop2 ()
+
+    interface System.IDisposable with
+        member this.Dispose () : unit = this.Dispose ()

ConsumePlugin/GeneratedRestClient.fs

@@ -48,7 +48,27 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
-                    return jsonNode.AsArray () |> Seq.map (fun elt -> Gym.jsonParse elt) |> List.ofSeq
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Gym list"
+                             )
+                         | jsonNode -> jsonNode)
+
+                    return
+                        jsonNode.AsArray ()
+                        |> Seq.map (fun elt ->
+                            (match elt with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException
+                                         "Expected element of array (element type Gym) to be non-null, but found a null element"
+                                 )
+                             | elt -> Gym.jsonParse elt)
+                        )
+                        |> List.ofSeq
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
 
@@ -82,6 +102,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type GymAttendance"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return GymAttendance.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -116,6 +145,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type GymAttendance"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return GymAttendance.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -146,6 +184,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Member"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return Member.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -160,8 +207,7 @@ module PureGymApi =
                              | null -> System.Uri "https://whatnot.com/"
                              | v -> v),
                             System.Uri (
-                                "v1/gyms/{gym}"
-                                    .Replace ("{gym}", gym.ToString () |> System.Uri.EscapeDataString),
+                                "v1/gyms/{gym}".Replace ("{gym}", gym.ToString () |> System.Uri.EscapeDataString),
                                 System.UriKind.Relative
                             )
                         )
@@ -180,6 +226,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Gym"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return Gym.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -210,6 +265,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type MemberActivityDto"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return MemberActivityDto.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -240,6 +304,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type UriThing"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return UriThing.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -267,23 +340,44 @@ module PureGymApi =
                             foo
                             |> (fun field ->
                                 match field with
-                                | None -> null :> System.Text.Json.Nodes.JsonNode
+                                | None -> None
                                 | Some field ->
-                                    ((fun field ->
-                                        let ret = System.Text.Json.Nodes.JsonObject ()
+                                    (field
+                                     |> (fun field ->
+                                         let ret = System.Text.Json.Nodes.JsonObject ()
 
-                                        for (KeyValue (key, value)) in field do
-                                            ret.Add (
-                                                key.ToString (),
-                                                System.Text.Json.Nodes.JsonValue.Create<string> value
-                                            )
+                                         for (KeyValue (key, value)) in field do
+                                             let key = key.ToString ()
 
-                                        ret
-                                    )
-                                        field)
+                                             ret.Add (
+                                                 key,
+                                                 (fun field ->
+                                                     let field =
+                                                         System.Text.Json.Nodes.JsonValue.Create<string> field
+
+                                                     (match field with
+                                                      | null ->
+                                                          raise (
+                                                              System.ArgumentNullException
+                                                                  "Expected type string to be non-null, but received a null value when serialising"
+                                                          )
+                                                      | field -> field)
+                                                 )
+                                                     value
+                                             )
+
+                                         ret
+                                     ))
                                     :> System.Text.Json.Nodes.JsonNode
+                                    |> Some
                             )
-                            |> (fun node -> if isNull node then "null" else node.ToJsonString ())
+                            |> (fun node ->
+                                match node with
+                                | None -> "null"
+                                | Some node -> node.ToJsonString ()
+                            ),
+                            null,
+                            "application/json"
                         )
 
                     do httpMessage.Content <- queryParams
@@ -295,15 +389,25 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode = jsonNode |> Option.ofObj
+
                     return
                         match jsonNode with
-                        | null -> None
-                        | v ->
+                        | None -> None
+                        | Some v ->
                             v.AsObject ()
                             |> Seq.map (fun kvp ->
                                 let key = (kvp.Key)
-                                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                                key, value
+                                let value = kvp.Value
+
+                                key,
+                                (match value with
+                                 | null ->
+                                     raise (
+                                         System.ArgumentNullException
+                                             "Expected dictionary value of type string to be non-null, but it was null"
+                                     )
+                                 | value -> value.AsValue().GetValue<System.String> ())
                             )
                             |> Map.ofSeq
                             |> Some
@@ -347,6 +451,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Sessions"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return Sessions.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -388,6 +501,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Sessions"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return Sessions.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -547,9 +669,9 @@ module PureGymApi =
 
                     let queryParams =
                         new System.Net.Http.StringContent (
-                            user
-                            |> PureGym.Member.toJsonNode
-                            |> (fun node -> if isNull node then "null" else node.ToJsonString ())
+                            user |> PureGym.Member.toJsonNode |> (fun node -> node.ToJsonString ()),
+                            null,
+                            "application/json"
                         )
 
                     do httpMessage.Content <- queryParams
@@ -581,8 +703,20 @@ module PureGymApi =
                     let queryParams =
                         new System.Net.Http.StringContent (
                             user
-                            |> System.Text.Json.Nodes.JsonValue.Create<Uri>
-                            |> (fun node -> if isNull node then "null" else node.ToJsonString ())
+                            |> (fun field ->
+                                let field = System.Text.Json.Nodes.JsonValue.Create<Uri> field
+
+                                (match field with
+                                 | null ->
+                                     raise (
+                                         System.ArgumentNullException
+                                             "Expected type URI to be non-null, but received a null value when serialising"
+                                     )
+                                 | field -> field)
+                            )
+                            |> (fun node -> node.ToJsonString ()),
+                            null,
+                            "application/json"
                         )
 
                     do httpMessage.Content <- queryParams
@@ -614,8 +748,20 @@ module PureGymApi =
                     let queryParams =
                         new System.Net.Http.StringContent (
                             user
-                            |> System.Text.Json.Nodes.JsonValue.Create<int>
-                            |> (fun node -> if isNull node then "null" else node.ToJsonString ())
+                            |> (fun field ->
+                                let field = System.Text.Json.Nodes.JsonValue.Create<int> field
+
+                                (match field with
+                                 | null ->
+                                     raise (
+                                         System.ArgumentNullException
+                                             "Expected type int32 to be non-null, but received a null value when serialising"
+                                     )
+                                 | field -> field)
+                            )
+                            |> (fun node -> node.ToJsonString ()),
+                            null,
+                            "application/json"
                         )
 
                     do httpMessage.Content <- queryParams
@@ -879,6 +1025,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Response<MemberActivityDto>"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return
                         new RestEase.Response<_> (
                             responseString,
@@ -915,6 +1070,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type RestEase.Response<MemberActivityDto>"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return
                         new RestEase.Response<_> (
                             responseString,
@@ -951,6 +1115,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type Response<MemberActivityDto>"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return
                         new RestEase.Response<_> (
                             responseString,
@@ -987,6 +1160,15 @@ module PureGymApi =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type RestEase.Response<MemberActivityDto>"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return
                         new RestEase.Response<_> (
                             responseString,
@@ -1627,3 +1809,174 @@ module ApiWithHeaders2 =
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
         }
+namespace PureGym
+
+open System
+open System.Threading
+open System.Threading.Tasks
+open System.IO
+open System.Net
+open System.Net.Http
+open RestEase
+
+/// Module for constructing a REST client.
+[<CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix) ; RequireQualifiedAccess>]
+module ClientWithJsonBody =
+    /// Create a REST client.
+    let make (client : System.Net.Http.HttpClient) : IClientWithJsonBody =
+        { new IClientWithJsonBody with
+            member _.GetPathParam (parameter : string, mem : PureGym.Member, ct : CancellationToken option) =
+                async {
+                    let! ct = Async.CancellationToken
+
+                    let uri =
+                        System.Uri (
+                            (match client.BaseAddress with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException (
+                                         nameof (client.BaseAddress),
+                                         "No base address was supplied on the type, and no BaseAddress was on the HttpClient."
+                                     )
+                                 )
+                             | v -> v),
+                            System.Uri (
+                                "endpoint/{param}"
+                                    .Replace ("{param}", parameter.ToString () |> System.Uri.EscapeDataString),
+                                System.UriKind.Relative
+                            )
+                        )
+
+                    let httpMessage =
+                        new System.Net.Http.HttpRequestMessage (
+                            Method = System.Net.Http.HttpMethod.Post,
+                            RequestUri = uri
+                        )
+
+                    let queryParams =
+                        new System.Net.Http.StringContent (
+                            mem |> PureGym.Member.toJsonNode |> (fun node -> node.ToJsonString ()),
+                            null,
+                            "application/json"
+                        )
+
+                    do httpMessage.Content <- queryParams
+                    let! response = client.SendAsync (httpMessage, ct) |> Async.AwaitTask
+                    let response = response.EnsureSuccessStatusCode ()
+                    let! responseString = response.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                    return responseString
+                }
+                |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
+        }
+namespace PureGym
+
+open System
+open System.Threading
+open System.Threading.Tasks
+open System.IO
+open System.Net
+open System.Net.Http
+open RestEase
+
+/// Module for constructing a REST client.
+[<CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix) ; RequireQualifiedAccess>]
+module ClientWithJsonBodyOverridden =
+    /// Create a REST client.
+    let make (client : System.Net.Http.HttpClient) : IClientWithJsonBodyOverridden =
+        { new IClientWithJsonBodyOverridden with
+            member _.GetPathParam (parameter : string, mem : PureGym.Member, ct : CancellationToken option) =
+                async {
+                    let! ct = Async.CancellationToken
+
+                    let uri =
+                        System.Uri (
+                            (match client.BaseAddress with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException (
+                                         nameof (client.BaseAddress),
+                                         "No base address was supplied on the type, and no BaseAddress was on the HttpClient."
+                                     )
+                                 )
+                             | v -> v),
+                            System.Uri (
+                                "endpoint/{param}"
+                                    .Replace ("{param}", parameter.ToString () |> System.Uri.EscapeDataString),
+                                System.UriKind.Relative
+                            )
+                        )
+
+                    let httpMessage =
+                        new System.Net.Http.HttpRequestMessage (
+                            Method = System.Net.Http.HttpMethod.Post,
+                            RequestUri = uri
+                        )
+
+                    let queryParams =
+                        new System.Net.Http.StringContent (
+                            mem |> PureGym.Member.toJsonNode |> (fun node -> node.ToJsonString ()),
+                            null,
+                            "application/ecmascript"
+                        )
+
+                    do httpMessage.Content <- queryParams
+                    let! response = client.SendAsync (httpMessage, ct) |> Async.AwaitTask
+                    let response = response.EnsureSuccessStatusCode ()
+                    let! responseString = response.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                    return responseString
+                }
+                |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
+        }
+namespace PureGym
+
+open System
+open System.Threading
+open System.Threading.Tasks
+open System.IO
+open System.Net
+open System.Net.Http
+open RestEase
+
+/// Module for constructing a REST client.
+[<CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix) ; RequireQualifiedAccess>]
+module ClientWithStringBody =
+    /// Create a REST client.
+    let make (client : System.Net.Http.HttpClient) : IClientWithStringBody =
+        { new IClientWithStringBody with
+            member _.GetPathParam (parameter : string, mem : string, ct : CancellationToken option) =
+                async {
+                    let! ct = Async.CancellationToken
+
+                    let uri =
+                        System.Uri (
+                            (match client.BaseAddress with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException (
+                                         nameof (client.BaseAddress),
+                                         "No base address was supplied on the type, and no BaseAddress was on the HttpClient."
+                                     )
+                                 )
+                             | v -> v),
+                            System.Uri (
+                                "endpoint/{param}"
+                                    .Replace ("{param}", parameter.ToString () |> System.Uri.EscapeDataString),
+                                System.UriKind.Relative
+                            )
+                        )
+
+                    let httpMessage =
+                        new System.Net.Http.HttpRequestMessage (
+                            Method = System.Net.Http.HttpMethod.Post,
+                            RequestUri = uri
+                        )
+
+                    let queryParams = new System.Net.Http.StringContent (mem)
+                    do httpMessage.Content <- queryParams
+                    let! response = client.SendAsync (httpMessage, ct) |> Async.AwaitTask
+                    let response = response.EnsureSuccessStatusCode ()
+                    let! responseString = response.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                    return responseString
+                }
+                |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
+        }

ConsumePlugin/GeneratedSwaggerGitea.fs

@@ -3423,7 +3423,7 @@ type IGitea =
         [<RestEase.Path "id">] id : int * ?ct : System.Threading.CancellationToken -> Hook System.Threading.Tasks.Task
 
     /// Update a hook
-    [<RestEase.Post "admin/hooks/{id}">]
+    [<RestEase.Patch "admin/hooks/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract AdminEditHook :
         [<RestEase.Path "id">] id : int *
@@ -3494,7 +3494,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit an existing user
-    [<RestEase.Post "admin/users/{username}">]
+    [<RestEase.Patch "admin/users/{username}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract AdminEditUser :
         [<RestEase.Path "username">] username : string *
@@ -3601,7 +3601,7 @@ type IGitea =
             NotificationThread System.Threading.Tasks.Task
 
     /// Mark notification thread as read by ID
-    [<RestEase.Post "notifications/threads/{id}">]
+    [<RestEase.Patch "notifications/threads/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract NotifyReadThread :
         [<RestEase.Path "id">] id : string *
@@ -3649,7 +3649,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit an organization
-    [<RestEase.Post "orgs/{org}">]
+    [<RestEase.Patch "orgs/{org}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract OrgEdit :
         [<RestEase.Path "org">] org : string *
@@ -3695,7 +3695,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Update a hook
-    [<RestEase.Post "orgs/{org}/hooks/{id}">]
+    [<RestEase.Patch "orgs/{org}/hooks/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract OrgEditHook :
         [<RestEase.Path "org">] org : string *
@@ -3742,7 +3742,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Update a label
-    [<RestEase.Post "orgs/{org}/labels/{id}">]
+    [<RestEase.Patch "orgs/{org}/labels/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract OrgEditLabel :
         [<RestEase.Path "org">] org : string *
@@ -3984,7 +3984,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a repository's properties. Only fields that are set will be changed.
-    [<RestEase.Post "repos/{owner}/{repo}">]
+    [<RestEase.Patch "repos/{owner}/{repo}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEdit :
         [<RestEase.Path "owner">] owner : string *
@@ -4052,7 +4052,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a branch protections for a repository. Only fields that are set will be changed
-    [<RestEase.Post "repos/{owner}/{repo}/branch_protections/{name}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/branch_protections/{name}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditBranchProtection :
         [<RestEase.Path "owner">] owner : string *
@@ -4425,7 +4425,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a Git hook in a repository
-    [<RestEase.Post "repos/{owner}/{repo}/hooks/git/{id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/hooks/git/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditGitHook :
         [<RestEase.Path "owner">] owner : string *
@@ -4456,7 +4456,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a hook in a repository
-    [<RestEase.Post "repos/{owner}/{repo}/hooks/{id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/hooks/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditHook :
         [<RestEase.Path "owner">] owner : string *
@@ -4573,7 +4573,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a comment attachment
-    [<RestEase.Post "repos/{owner}/{repo}/issues/comments/{id}/assets/{attachment_id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/issues/comments/{id}/assets/{attachment_id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract IssueEditIssueCommentAttachment :
         [<RestEase.Path "owner">] owner : string *
@@ -4626,7 +4626,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit an issue. If using deadline only the date will be taken into account, and time of day ignored.
-    [<RestEase.Post "repos/{owner}/{repo}/issues/{index}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/issues/{index}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract IssueEditIssue :
         [<RestEase.Path "owner">] owner : string *
@@ -4669,7 +4669,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit an issue attachment
-    [<RestEase.Post "repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract IssueEditIssueAttachment :
         [<RestEase.Path "owner">] owner : string *
@@ -4999,7 +4999,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Update a label
-    [<RestEase.Post "repos/{owner}/{repo}/labels/{id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/labels/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract IssueEditLabel :
         [<RestEase.Path "owner">] owner : string *
@@ -5073,7 +5073,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Update a milestone
-    [<RestEase.Post "repos/{owner}/{repo}/milestones/{id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/milestones/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract IssueEditMilestone :
         [<RestEase.Path "owner">] owner : string *
@@ -5157,7 +5157,7 @@ type IGitea =
             PullRequest System.Threading.Tasks.Task
 
     /// Update a pull request. If using deadline only the date will be taken into account, and time of day ignored.
-    [<RestEase.Post "repos/{owner}/{repo}/pulls/{index}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/pulls/{index}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditPullRequest :
         [<RestEase.Path "owner">] owner : string *
@@ -5495,7 +5495,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Update a release
-    [<RestEase.Post "repos/{owner}/{repo}/releases/{id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/releases/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditRelease :
         [<RestEase.Path "owner">] owner : string *
@@ -5538,7 +5538,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a release attachment
-    [<RestEase.Post "repos/{owner}/{repo}/releases/{id}/assets/{attachment_id}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/releases/{id}/assets/{attachment_id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditReleaseAttachment :
         [<RestEase.Path "owner">] owner : string *
@@ -5845,7 +5845,7 @@ type IGitea =
             unit System.Threading.Tasks.Task
 
     /// Edit a wiki page
-    [<RestEase.Post "repos/{owner}/{repo}/wiki/page/{pageName}">]
+    [<RestEase.Patch "repos/{owner}/{repo}/wiki/page/{pageName}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract RepoEditWikiPage :
         [<RestEase.Path "owner">] owner : string *
@@ -5936,7 +5936,7 @@ type IGitea =
         [<RestEase.Path "id">] id : int * ?ct : System.Threading.CancellationToken -> unit System.Threading.Tasks.Task
 
     /// Edit a team
-    [<RestEase.Post "teams/{id}">]
+    [<RestEase.Patch "teams/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract OrgEditTeam :
         [<RestEase.Path "id">] id : int *
@@ -6066,7 +6066,7 @@ type IGitea =
         [<RestEase.Path "id">] id : int * ?ct : System.Threading.CancellationToken -> unit System.Threading.Tasks.Task
 
     /// update an OAuth2 Application, this includes regenerating the client secret
-    [<RestEase.Post "user/applications/oauth2/{id}">]
+    [<RestEase.Patch "user/applications/oauth2/{id}">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract UserUpdateOAuth2Application :
         [<RestEase.Path "id">] id : int *
@@ -6204,7 +6204,7 @@ type IGitea =
     abstract GetUserSettings : ?ct : System.Threading.CancellationToken -> UserSettings list System.Threading.Tasks.Task
 
     /// Update user settings
-    [<RestEase.Post "user/settings">]
+    [<RestEase.Patch "user/settings">]
     [<RestEase.Header("Content-Type", "json")>]
     abstract UpdateUserSettings :
         [<RestEase.Body>] body : UserSettingsOptions * ?ct : System.Threading.CancellationToken ->

ConsumePlugin/GeneratedVault.fs

@@ -13,139 +13,147 @@ module JwtVaultAuthResponse =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : JwtVaultAuthResponse =
         let arg_10 =
-            (match node.["num_uses"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("num_uses")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Int32> ()
+            match node.["num_uses"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("num_uses")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Int32> ()
 
         let arg_9 =
-            (match node.["orphan"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("orphan")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Boolean> ()
+            match node.["orphan"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("orphan")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Boolean> ()
 
         let arg_8 =
-            (match node.["entity_id"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("entity_id")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["entity_id"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("entity_id")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_7 =
-            (match node.["token_type"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("token_type")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["token_type"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("token_type")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_6 =
-            (match node.["renewable"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("renewable")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Boolean> ()
+            match node.["renewable"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("renewable")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Boolean> ()
 
         let arg_5 =
-            (match node.["lease_duration"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("lease_duration")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Int32> ()
+            match node.["lease_duration"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("lease_duration")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Int32> ()
 
         let arg_4 =
-            (match node.["identity_policies"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("identity_policies")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.String> ())
-            |> List.ofSeq
+            match node.["identity_policies"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("identity_policies")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type string) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.String> ())
+                )
+                |> List.ofSeq
 
         let arg_3 =
-            (match node.["token_policies"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("token_policies")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.String> ())
-            |> List.ofSeq
+            match node.["token_policies"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("token_policies")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type string) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.String> ())
+                )
+                |> List.ofSeq
 
         let arg_2 =
-            (match node.["policies"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("policies")
-                     )
-                 )
-             | v -> v)
-                .AsArray ()
-            |> Seq.map (fun elt -> elt.AsValue().GetValue<System.String> ())
-            |> List.ofSeq
+            match node.["policies"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("policies")
+                    )
+                )
+            | Some node ->
+                node.AsArray ()
+                |> Seq.map (fun elt ->
+                    (match elt with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected element of array (element type string) to be non-null, but found a null element"
+                         )
+                     | elt -> elt.AsValue().GetValue<System.String> ())
+                )
+                |> List.ofSeq
 
         let arg_1 =
-            (match node.["accessor"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("accessor")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["accessor"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("accessor")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_0 =
-            (match node.["client_token"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("client_token")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["client_token"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("client_token")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         {
             ClientToken = arg_0
@@ -168,64 +176,54 @@ module JwtVaultResponse =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : JwtVaultResponse =
         let arg_4 =
-            JwtVaultAuthResponse.jsonParse (
-                match node.["auth"] with
-                | null ->
-                    raise (
-                        System.Collections.Generic.KeyNotFoundException (
-                            sprintf "Required key '%s' not found on JSON object" ("auth")
-                        )
+            match node.["auth"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("auth")
                     )
-                | v -> v
-            )
+                )
+            | Some node -> JwtVaultAuthResponse.jsonParse node
 
         let arg_3 =
-            (match node.["lease_duration"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("lease_duration")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Int32> ()
+            match node.["lease_duration"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("lease_duration")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Int32> ()
 
         let arg_2 =
-            (match node.["renewable"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("renewable")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Boolean> ()
+            match node.["renewable"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("renewable")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Boolean> ()
 
         let arg_1 =
-            (match node.["lease_id"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("lease_id")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["lease_id"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("lease_id")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_0 =
-            (match node.["request_id"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("request_id")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["request_id"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("request_id")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         {
             RequestId = arg_0
@@ -242,190 +240,246 @@ module JwtSecretResponse =
     /// Parse from a JSON node.
     let jsonParse (node : System.Text.Json.Nodes.JsonNode) : JwtSecretResponse =
         let arg_11 =
-            (match node.["data8"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data8")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<string> () |> System.Uri
-                key, value
-            )
-            |> Seq.map System.Collections.Generic.KeyValuePair
-            |> System.Collections.Generic.Dictionary
+            match node.["data8"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data8")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type URI to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<string> () |> System.Uri)
+                )
+                |> Seq.map System.Collections.Generic.KeyValuePair
+                |> System.Collections.Generic.Dictionary
 
         let arg_10 =
-            (match node.["data7"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data7")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<System.Int32> ()
-                key, value
-            )
-            |> Map.ofSeq
+            match node.["data7"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data7")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type int32 to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.Int32> ())
+                )
+                |> Map.ofSeq
 
         let arg_9 =
-            (match node.["data6"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data6")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key) |> System.Uri
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> dict
+            match node.["data6"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data6")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key) |> System.Uri
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> dict
 
         let arg_8 =
-            (match node.["data5"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data5")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key) |> System.Uri
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> readOnlyDict
+            match node.["data5"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data5")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key) |> System.Uri
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> readOnlyDict
 
         let arg_7 =
-            (match node.["data4"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data4")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> Map.ofSeq
+            match node.["data4"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data4")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> Map.ofSeq
 
         let arg_6 =
-            (match node.["data3"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data3")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> Seq.map System.Collections.Generic.KeyValuePair
-            |> System.Collections.Generic.Dictionary
+            match node.["data3"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data3")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> Seq.map System.Collections.Generic.KeyValuePair
+                |> System.Collections.Generic.Dictionary
 
         let arg_5 =
-            (match node.["data2"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data2")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> dict
+            match node.["data2"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data2")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> dict
 
         let arg_4 =
-            (match node.["data"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("data")
-                     )
-                 )
-             | v -> v)
-                .AsObject ()
-            |> Seq.map (fun kvp ->
-                let key = (kvp.Key)
-                let value = (kvp.Value).AsValue().GetValue<System.String> ()
-                key, value
-            )
-            |> readOnlyDict
+            match node.["data"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("data")
+                    )
+                )
+            | Some node ->
+                node.AsObject ()
+                |> Seq.map (fun kvp ->
+                    let key = (kvp.Key)
+                    let value = kvp.Value
+
+                    key,
+                    (match value with
+                     | null ->
+                         raise (
+                             System.ArgumentNullException
+                                 "Expected dictionary value of type string to be non-null, but it was null"
+                         )
+                     | value -> value.AsValue().GetValue<System.String> ())
+                )
+                |> readOnlyDict
 
         let arg_3 =
-            (match node.["lease_duration"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("lease_duration")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Int32> ()
+            match node.["lease_duration"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("lease_duration")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Int32> ()
 
         let arg_2 =
-            (match node.["renewable"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("renewable")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.Boolean> ()
+            match node.["renewable"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("renewable")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.Boolean> ()
 
         let arg_1 =
-            (match node.["lease_id"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("lease_id")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["lease_id"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("lease_id")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         let arg_0 =
-            (match node.["request_id"] with
-             | null ->
-                 raise (
-                     System.Collections.Generic.KeyNotFoundException (
-                         sprintf "Required key '%s' not found on JSON object" ("request_id")
-                     )
-                 )
-             | v -> v)
-                .AsValue()
-                .GetValue<System.String> ()
+            match node.["request_id"] |> Option.ofObj with
+            | None ->
+                raise (
+                    System.Collections.Generic.KeyNotFoundException (
+                        sprintf "Required key '%s' not found on JSON object" ("request_id")
+                    )
+                )
+            | Some node -> node.AsValue().GetValue<System.String> ()
 
         {
             RequestId = arg_0
@@ -496,6 +550,15 @@ module VaultClient =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type JwtSecretResponse"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return JwtSecretResponse.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -532,6 +595,15 @@ module VaultClient =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type JwtVaultResponse"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return JwtVaultResponse.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -590,6 +662,15 @@ module VaultClientNonExtensionMethod =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type JwtSecretResponse"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return JwtSecretResponse.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -626,6 +707,15 @@ module VaultClientNonExtensionMethod =
                         System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                         |> Async.AwaitTask
 
+                    let jsonNode =
+                        (match jsonNode with
+                         | null ->
+                             raise (
+                                 System.ArgumentNullException
+                                     "Response from server was the JSON null object; expected a non-nullable type JwtVaultResponse"
+                             )
+                         | jsonNode -> jsonNode)
+
                     return JwtVaultResponse.jsonParse jsonNode
                 }
                 |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -687,6 +777,15 @@ module VaultClientExtensionMethodHttpClientExtension =
                             System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                             |> Async.AwaitTask
 
+                        let jsonNode =
+                            (match jsonNode with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException
+                                         "Response from server was the JSON null object; expected a non-nullable type JwtSecretResponse"
+                                 )
+                             | jsonNode -> jsonNode)
+
                         return JwtSecretResponse.jsonParse jsonNode
                     }
                     |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))
@@ -723,6 +822,15 @@ module VaultClientExtensionMethodHttpClientExtension =
                             System.Text.Json.Nodes.JsonNode.ParseAsync (responseStream, cancellationToken = ct)
                             |> Async.AwaitTask
 
+                        let jsonNode =
+                            (match jsonNode with
+                             | null ->
+                                 raise (
+                                     System.ArgumentNullException
+                                         "Response from server was the JSON null object; expected a non-nullable type JwtVaultResponse"
+                                 )
+                             | jsonNode -> jsonNode)
+
                         return JwtVaultResponse.jsonParse jsonNode
                     }
                     |> (fun a -> Async.StartAsTask (a, ?cancellationToken = ct))

ConsumePlugin/MockExample.fs

@@ -48,3 +48,10 @@ type TypeWithInterface =
     inherit IDisposable
     abstract Mem1 : string option -> string[] Async
     abstract Mem2 : unit -> string[] Async
+
+[<GenerateMock>]
+type TypeWithProperties =
+    inherit IDisposable
+    abstract Mem1 : string option -> string[] Async
+    abstract Prop1 : int
+    abstract Prop2 : unit Async

ConsumePlugin/RestApiExample.fs

@@ -203,3 +203,35 @@ type IApiWithHeaders2 =
     [<Get "endpoint/{param}">]
     abstract GetPathParam :
         [<WoofWare.Myriad.Plugins.RestEase.Path "param">] parameter : string * ?ct : CancellationToken -> Task<string>
+
+[<WoofWare.Myriad.Plugins.HttpClient>]
+type IClientWithJsonBody =
+    // As a POST request of a JSON-serialised body, we automatically set Content-Type: application/json.
+    [<Post "endpoint/{param}">]
+    abstract GetPathParam :
+        [<RestEase.Path "param">] parameter : string *
+        [<WoofWare.Myriad.Plugins.RestEase.Body>] mem : PureGym.Member *
+        ?ct : CancellationToken ->
+            Task<string>
+
+[<WoofWare.Myriad.Plugins.HttpClient>]
+type IClientWithJsonBodyOverridden =
+    // As a POST request of a JSON-serialised body, we *would* automatically set Content-Type: application/json,
+    // but this method has overridden it.
+    [<Post "endpoint/{param}">]
+    [<Header("Content-Type", "application/ecmascript")>]
+    abstract GetPathParam :
+        [<RestEase.Path "param">] parameter : string *
+        [<WoofWare.Myriad.Plugins.RestEase.Body>] mem : PureGym.Member *
+        ?ct : CancellationToken ->
+            Task<string>
+
+[<WoofWare.Myriad.Plugins.HttpClient>]
+type IClientWithStringBody =
+    // As a POST request of a bare string body, we don't override the Content-Type.
+    [<Post "endpoint/{param}">]
+    abstract GetPathParam :
+        [<RestEase.Path "param">] parameter : string *
+        [<WoofWare.Myriad.Plugins.RestEase.Body>] mem : string *
+        ?ct : CancellationToken ->
+            Task<string>

Directory.Build.props

@@ -10,8 +10,8 @@
     <WarnOn>FS3388,FS3559</WarnOn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Nerdbank.GitVersioning" Version="3.6.143" PrivateAssets="all"/>
-    <SourceLinkGitHubHost Include="github.com" ContentUrl="https://raw.githubusercontent.com"/>
+    <PackageReference Include="Nerdbank.GitVersioning" Version="3.8.38-alpha" PrivateAssets="all" />
+    <SourceLinkGitHubHost Include="github.com" ContentUrl="https://raw.githubusercontent.com" />
   </ItemGroup>
   <PropertyGroup Condition="'$(GITHUB_ACTION)' != ''">
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>

README.md

@@ -136,7 +136,7 @@ module InnerTypeWithBoth =
                         ret.Add (key.ToString (), System.Text.Json.Nodes.JsonValue.Create<Uri> value)
 
                     ret
-                ) input.Map
+                ) input.ReadOnlyDict
             )
 
         node
@@ -647,3 +647,7 @@ I'm hopefully going to get round to writing a more powerful source generation sy
   You should probably add these files to your [fantomasignore](https://github.com/fsprojects/fantomas/blob/a999b77ca5a024fbc3409955faac797e29b39d27/docs/docs/end-users/IgnoreFiles.md)
   if you use Fantomas to format your repo;
   the alternative is to manually reformat every time Myriad changes the generated files.
+
+# Licence
+
+The code is MIT-licenced, except for the Swagger API examples in WoofWare.Myriad.Plugins.Test, which are [CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/), copyright 2023 by the OpenAPI Initiative, and obtained from https://learn.openapis.org/examples/ with no changes made.

WoofWare.Myriad.Plugins.Attributes/ArgParserAttributes.fs

@@ -26,6 +26,11 @@ type ArgParserAttribute (isExtensionMethod : bool) =
 /// an argument which looks like a flag but which we don't recognise.)
 /// We will still interpret `--help` as requesting help, unless it comes after
 /// a standalone `--` separator.
+///
+/// If the type of the PositionalArgs field is `Choice<'a, 'a>`, then we will
+/// tell you whether each arg came before or after a standalone `--` separator.
+/// For example, `MyApp foo bar -- baz` with PositionalArgs of `Choice<string, string>`
+/// would yield `Choice1Of2 foo, Choice1Of2 bar, Choice2Of2 baz`.
 type PositionalArgsAttribute (includeFlagLike : bool) =
     inherit Attribute ()
 

WoofWare.Myriad.Plugins.Attributes/Test/WoofWare.Myriad.Plugins.Attributes.Test.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-      <TargetFramework>net8.0</TargetFramework>
+      <TargetFramework>net9.0</TargetFramework>
 
       <IsPackable>false</IsPackable>
       <IsTestProject>true</IsTestProject>
@@ -17,10 +17,10 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="ApiSurface" Version="4.1.5" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
-        <PackageReference Include="NUnit" Version="4.2.2"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
+        <PackageReference Include="ApiSurface" Version="4.1.22" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
+        <PackageReference Include="NUnit" Version="4.3.2"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="5.0.0"/>
     </ItemGroup>
 
     <ItemGroup>

WoofWare.Myriad.Plugins.Test/Assembly.fs

@@ -0,0 +1,22 @@
+namespace WoofWare.Myriad.Plugins.Test
+
+open System
+open System.IO
+open System.Reflection
+
+[<RequireQualifiedAccess>]
+module Assembly =
+
+    let getEmbeddedResource (assembly : Assembly) (name : string) : string =
+        let names = assembly.GetManifestResourceNames ()
+
+        let names =
+            names |> Seq.filter (fun s -> s.EndsWith (name, StringComparison.Ordinal))
+
+        use s =
+            names
+            |> Seq.exactlyOne
+            |> assembly.GetManifestResourceStream
+            |> fun s -> new StreamReader (s)
+
+        s.ReadToEnd ()

WoofWare.Myriad.Plugins.Test/TestArgParser/TestArgParser.fs

@@ -68,7 +68,7 @@ module TestArgParser =
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envCalls |> ignore<int>
-            ""
+            None
 
         let args = [ "--foo=3" ; "--non-existent" ; "--bar=4" ; "--baz=true" ]
 
@@ -91,7 +91,7 @@ module TestArgParser =
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envCalls |> ignore<int>
-            ""
+            None
 
         let property (args : (int * bool) list) (afterDoubleDash : int list option) =
             let flatArgs =
@@ -127,7 +127,7 @@ module TestArgParser =
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envCalls |> ignore<int>
-            ""
+            None
 
         let args = [ "--foo=3" ; "--rest" ; "7" ; "--bar=4" ; "--baz=true" ; "--rest=8" ]
 
@@ -150,7 +150,7 @@ module TestArgParser =
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envCalls |> ignore<int>
-            ""
+            None
 
         let args = [ "--foo=3" ; "--foo" ; "9" ; "--bar=4" ; "--baz=true" ; "--baz=false" ]
 
@@ -171,7 +171,7 @@ Argument '--baz' was supplied multiple times: True and false"""
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envCalls |> ignore<int>
-            ""
+            None
 
         let args = [ "--" ; "--foo=3" ; "--bar=4" ; "--baz=true" ]
 
@@ -191,7 +191,7 @@ Required argument '--baz' received no value"""
     let ``Help text`` () =
         let getEnvVar (s : string) =
             s |> shouldEqual "CONSUMEPLUGIN_THINGS"
-            "hi!"
+            Some "hi!"
 
         let exc =
             Assert.Throws<exn> (fun () -> Basic.parse' getEnvVar [ "--help" ] |> ignore<Basic>)
@@ -210,7 +210,7 @@ Required argument '--baz' received no value"""
 
         let getEnvVar (_ : string) =
             Interlocked.Increment envVars |> ignore<int>
-            ""
+            None
 
         let exc =
             Assert.Throws<exn> (fun () -> LoadsOfTypes.parse' getEnvVar [ "--help" ] |> ignore<LoadsOfTypes>)
@@ -236,7 +236,7 @@ Required argument '--baz' received no value"""
     let ``Default values`` () =
         let getEnvVar (s : string) =
             s |> shouldEqual "CONSUMEPLUGIN_THINGS"
-            "hi!"
+            Some "hi!"
 
         let args =
             [
@@ -264,7 +264,7 @@ Required argument '--baz' received no value"""
 
         let getEnvVar (_ : string) =
             Interlocked.Increment count |> ignore<int>
-            ""
+            None
 
         let exc =
             Assert.Throws<exn> (fun () -> DatesAndTimes.parse' getEnvVar [ "--help" ] |> ignore<DatesAndTimes>)
@@ -285,7 +285,7 @@ Required argument '--baz' received no value"""
 
         let getEnvVar (_ : string) =
             Interlocked.Increment count |> ignore<int>
-            ""
+            None
 
         let parsed =
             DatesAndTimes.parse'
@@ -448,7 +448,7 @@ Required argument '--exact' received no value"""
     let ``Bool env vars can be populated`` (envValue : string, boolValue : bool) =
         let getEnvVar (s : string) =
             s |> shouldEqual "CONSUMEPLUGIN_THINGS"
-            envValue
+            Some envValue
 
         ContainsBoolEnvVar.parse' getEnvVar []
         |> shouldEqual
@@ -470,7 +470,7 @@ Required argument '--exact' received no value"""
     let ``Flag DUs can be parsed from env var`` (envValue : string, boolValue : bool) =
         let getEnvVar (s : string) =
             s |> shouldEqual "CONSUMEPLUGIN_THINGS"
-            envValue
+            Some envValue
 
         let boolValue = if boolValue then DryRunMode.Dry else DryRunMode.Wet
 

WoofWare.Myriad.Plugins.Test/TestHttpClient/TestVariableHeader.fs

@@ -3,10 +3,12 @@ namespace WoofWare.Myriad.Plugins.Test
 open System
 open System.Net
 open System.Net.Http
+open System.Text.Json.Nodes
 open System.Threading
 open NUnit.Framework
 open FsUnitTyped
 open PureGym
+open WoofWare.Expect
 
 [<TestFixture>]
 module TestVariableHeader =
@@ -50,15 +52,17 @@ module TestVariableHeader =
         someHeaderCount.Value |> shouldEqual 10
         someOtherHeaderCount.Value |> shouldEqual -100
 
-        api.GetPathParam("param").Result.Split "\n"
-        |> Array.sort
-        |> shouldEqual
-            [|
-                "Authorization: -99"
-                "Header-Name: Header-Value"
-                "Something-Else: val"
-                "X-Foo: 11"
-            |]
+        expect {
+            snapshotJson
+                @"[
+  ""Authorization: -99"",
+  ""Header-Name: Header-Value"",
+  ""Something-Else: val"",
+  ""X-Foo: 11""
+]"
+
+            return api.GetPathParam("param").Result.Split "\n" |> Array.sort
+        }
 
         someHeaderCount.Value |> shouldEqual 11
         someOtherHeaderCount.Value |> shouldEqual -99
@@ -102,25 +106,156 @@ module TestVariableHeader =
         someHeaderCount.Value |> shouldEqual 10
         someOtherHeaderCount.Value |> shouldEqual -100
 
-        api.GetPathParam("param").Result.Split "\n"
-        |> Array.sort
-        |> shouldEqual
-            [|
-                "Authorization: -99"
-                "Header-Name: Header-Value"
-                "Something-Else: val"
-                "X-Foo: 11"
-            |]
+        expect {
+            snapshotJson
+                @"[
+  ""Authorization: -99"",
+  ""Header-Name: Header-Value"",
+  ""Something-Else: val"",
+  ""X-Foo: 11""
+]"
 
-        api.GetPathParam("param").Result.Split "\n"
-        |> Array.sort
-        |> shouldEqual
-            [|
-                "Authorization: -98"
-                "Header-Name: Header-Value"
-                "Something-Else: val"
-                "X-Foo: 12"
-            |]
+            return api.GetPathParam("param").Result.Split "\n" |> Array.sort
+        }
+
+        expect {
+            snapshotJson
+                @"[
+  ""Authorization: -98"",
+  ""Header-Name: Header-Value"",
+  ""Something-Else: val"",
+  ""X-Foo: 12""
+]"
+
+            return api.GetPathParam("param").Result.Split "\n" |> Array.sort
+        }
 
         someHeaderCount.Value |> shouldEqual 12
         someOtherHeaderCount.Value |> shouldEqual -98
+
+    let pureGymMember =
+        {
+            Id = 3
+            CompoundMemberId = "compound"
+            FirstName = "Patrick"
+            LastName = "Stevens"
+            HomeGymId = 1223
+            HomeGymName = "Arnie's Temple o' Gainz"
+            EmailAddress = "patrick@home"
+            GymAccessPin = "1234"
+            DateOfBirth = DateOnly (1992, 03, 04)
+            MobileNumber = "number"
+            Postcode = "postcode"
+            MembershipName = "member"
+            MembershipLevel = 9999
+            SuspendedReason = -1
+            MemberStatus = 100
+        }
+
+    [<Test>]
+    let ``Content-Type header is automatically inserted`` () =
+        let proc (message : HttpRequestMessage) : HttpResponseMessage Async =
+            async {
+                message.Method |> shouldEqual HttpMethod.Post
+
+                message.RequestUri.ToString ()
+                |> shouldEqual "https://example.com/endpoint/param"
+
+                let headers =
+                    [
+                        for h in message.Content.Headers do
+                            yield $"%s{h.Key}: %s{Seq.exactlyOne h.Value}"
+                    ]
+                    |> String.concat "\n"
+
+                let! ct = Async.CancellationToken
+                let! content = message.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                content |> JsonNode.Parse |> Member.jsonParse |> shouldEqual pureGymMember
+
+                let content = new StringContent (headers)
+                let resp = new HttpResponseMessage (HttpStatusCode.OK)
+                resp.Content <- content
+                return resp
+            }
+
+        use client = HttpClientMock.make (Uri "https://example.com") proc
+
+        let api = ClientWithJsonBody.make client
+        let result = api.GetPathParam ("param", pureGymMember) |> _.Result
+
+        expect {
+            snapshot @"Content-Type: application/json; charset=utf-8"
+            return result
+        }
+
+    [<Test>]
+    let ``Content-Type header is respected if overridden`` () =
+        let proc (message : HttpRequestMessage) : HttpResponseMessage Async =
+            async {
+                message.Method |> shouldEqual HttpMethod.Post
+
+                message.RequestUri.ToString ()
+                |> shouldEqual "https://example.com/endpoint/param"
+
+                let headers =
+                    [
+                        for h in message.Content.Headers do
+                            yield $"%s{h.Key}: %s{Seq.exactlyOne h.Value}"
+                    ]
+                    |> String.concat "\n"
+
+                let! ct = Async.CancellationToken
+                let! content = message.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                content |> JsonNode.Parse |> Member.jsonParse |> shouldEqual pureGymMember
+
+                let content = new StringContent (headers)
+                let resp = new HttpResponseMessage (HttpStatusCode.OK)
+                resp.Content <- content
+                return resp
+            }
+
+        use client = HttpClientMock.make (Uri "https://example.com") proc
+
+        let api = ClientWithJsonBodyOverridden.make client
+        let result = api.GetPathParam ("param", pureGymMember) |> _.Result
+
+        expect {
+            snapshot @"Content-Type: application/ecmascript; charset=utf-8"
+            return result
+        }
+
+    [<Test>]
+    let ``Content-Type header is the default for strings`` () =
+        let proc (message : HttpRequestMessage) : HttpResponseMessage Async =
+            async {
+                message.Method |> shouldEqual HttpMethod.Post
+
+                message.RequestUri.ToString ()
+                |> shouldEqual "https://example.com/endpoint/param"
+
+                let headers =
+                    [
+                        for h in message.Content.Headers do
+                            yield $"%s{h.Key}: %s{Seq.exactlyOne h.Value}"
+                    ]
+                    |> String.concat "\n"
+
+                let! ct = Async.CancellationToken
+                let! content = message.Content.ReadAsStringAsync ct |> Async.AwaitTask
+                content |> shouldEqual "hello!"
+
+                let content = new StringContent (headers)
+                let resp = new HttpResponseMessage (HttpStatusCode.OK)
+                resp.Content <- content
+                return resp
+            }
+
+        use client = HttpClientMock.make (Uri "https://example.com") proc
+
+        let api = ClientWithStringBody.make client
+        let result = api.GetPathParam ("param", "hello!") |> _.Result
+
+        expect {
+            snapshot @"Content-Type: text/plain; charset=utf-8"
+            return result
+        }

WoofWare.Myriad.Plugins.Test/TestJsonSerialize/TestJsonSerde.fs

@@ -3,7 +3,7 @@ namespace WoofWare.Myriad.Plugins.Test
 open System
 open System.Collections.Generic
 open System.Text.Json.Nodes
-open FsCheck.Random
+open FsCheck.FSharp
 open Microsoft.FSharp.Reflection
 open NUnit.Framework
 open FsCheck
@@ -15,21 +15,21 @@ module TestJsonSerde =
 
     let uriGen : Gen<Uri> =
         gen {
-            let! suffix = Arb.generate<int>
+            let! suffix = ArbMap.generate<int> ArbMap.defaults
             return Uri $"https://example.com/%i{suffix}"
         }
 
     let rec innerGen (count : int) : Gen<InnerTypeWithBoth> =
         gen {
-            let! guid = Arb.generate<Guid>
-            let! mapKeys = Gen.listOf Arb.generate<NonNull<string>>
+            let! guid = ArbMap.generate<Guid> ArbMap.defaults
+            let! mapKeys = Gen.listOf (ArbMap.generate<NonNull<string>> ArbMap.defaults)
             let mapKeys = mapKeys |> List.map _.Get |> List.distinct
             let! mapValues = Gen.listOfLength mapKeys.Length uriGen
             let map = List.zip mapKeys mapValues |> Map.ofList
 
             let! concreteDictKeys =
                 if count > 0 then
-                    Gen.listOf Arb.generate<NonNull<string>>
+                    Gen.listOf (ArbMap.generate<NonNull<string>> ArbMap.defaults)
                 else
                     Gen.constant []
 
@@ -50,13 +50,16 @@ module TestJsonSerde =
                 |> List.map KeyValuePair
                 |> Dictionary
 
-            let! readOnlyDictKeys = Gen.listOf Arb.generate<NonNull<string>>
+            let! readOnlyDictKeys = Gen.listOf (ArbMap.generate<NonNull<string>> ArbMap.defaults)
             let readOnlyDictKeys = readOnlyDictKeys |> List.map _.Get |> List.distinct
-            let! readOnlyDictValues = Gen.listOfLength readOnlyDictKeys.Length (Gen.listOf Arb.generate<char>)
+
+            let! readOnlyDictValues =
+                Gen.listOfLength readOnlyDictKeys.Length (Gen.listOf (ArbMap.generate<char> ArbMap.defaults))
+
             let readOnlyDict = List.zip readOnlyDictKeys readOnlyDictValues |> readOnlyDict
 
             let! dictKeys = Gen.listOf uriGen
-            let! dictValues = Gen.listOfLength dictKeys.Length Arb.generate<bool>
+            let! dictValues = Gen.listOfLength dictKeys.Length (ArbMap.generate<bool> ArbMap.defaults)
             let dict = List.zip dictKeys dictValues |> dict
 
             return
@@ -71,28 +74,38 @@ module TestJsonSerde =
 
     let outerGen : Gen<JsonRecordTypeWithBoth> =
         gen {
-            let! a = Arb.generate<int>
-            let! b = Arb.generate<NonNull<string>>
-            let! c = Gen.listOf Arb.generate<int>
+            let! a = ArbMap.generate<int> ArbMap.defaults
+            let! b = ArbMap.generate<NonNull<string>> ArbMap.defaults
+            let! c = Gen.listOf (ArbMap.generate<int> ArbMap.defaults)
             let! depth = Gen.choose (0, 2)
             let! d = innerGen depth
-            let! e = Gen.arrayOf Arb.generate<NonNull<string>>
-            let! arr = Gen.arrayOf Arb.generate<int>
-            let! byte = Arb.generate
-            let! sbyte = Arb.generate
-            let! i = Arb.generate
-            let! i32 = Arb.generate
-            let! i64 = Arb.generate
-            let! u = Arb.generate
-            let! u32 = Arb.generate
-            let! u64 = Arb.generate
-            let! f = Arb.generate |> Gen.filter (fun s -> Double.IsFinite (s / 1.0<measure>))
-            let! f32 = Arb.generate |> Gen.filter (fun s -> Single.IsFinite (s / 1.0f<measure>))
-            let! single = Arb.generate |> Gen.filter (fun s -> Single.IsFinite (s / 1.0f<measure>))
-            let! intMeasureOption = Arb.generate
-            let! intMeasureNullable = Arb.generate
+            let! e = Gen.arrayOf (ArbMap.generate<NonNull<string>> ArbMap.defaults)
+            let! arr = Gen.arrayOf (ArbMap.generate<int> ArbMap.defaults)
+            let! byte = ArbMap.generate ArbMap.defaults
+            let! sbyte = ArbMap.generate ArbMap.defaults
+            let! i = ArbMap.generate ArbMap.defaults
+            let! i32 = ArbMap.generate ArbMap.defaults
+            let! i64 = ArbMap.generate ArbMap.defaults
+            let! u = ArbMap.generate ArbMap.defaults
+            let! u32 = ArbMap.generate ArbMap.defaults
+            let! u64 = ArbMap.generate ArbMap.defaults
+
+            let! f =
+                ArbMap.generate ArbMap.defaults
+                |> Gen.filter (fun s -> Double.IsFinite (s / 1.0<measure>))
+
+            let! f32 =
+                ArbMap.generate ArbMap.defaults
+                |> Gen.filter (fun s -> Single.IsFinite (s / 1.0f<measure>))
+
+            let! single =
+                ArbMap.generate ArbMap.defaults
+                |> Gen.filter (fun s -> Single.IsFinite (s / 1.0f<measure>))
+
+            let! intMeasureOption = ArbMap.generate ArbMap.defaults
+            let! intMeasureNullable = ArbMap.generate ArbMap.defaults
             let! someEnum = Gen.choose (0, 1)
-            let! timestamp = Arb.generate
+            let! timestamp = ArbMap.generate ArbMap.defaults
 
             return
                 {
@@ -270,10 +283,10 @@ module TestJsonSerde =
             match case with
             | 0 -> return FirstDu.EmptyCase
             | 1 ->
-                let! s = Arb.generate<NonNull<string>>
+                let! s = ArbMap.generate<NonNull<string>> ArbMap.defaults
                 return FirstDu.Case1 s.Get
             | 2 ->
-                let! i = Arb.generate<int>
+                let! i = ArbMap.generate<int> ArbMap.defaults
                 let! record = outerGen
                 return FirstDu.Case2 (record, i)
             | _ -> return failwith $"unexpected: %i{case}"
@@ -293,7 +306,6 @@ module TestJsonSerde =
 
     [<Test>]
     let ``DU generator covers all cases`` () =
-        let rand = Random ()
         let cases = FSharpType.GetUnionCases typeof<FirstDu>
         let counts = Array.zeroCreate<int> cases.Length
 
@@ -301,11 +313,13 @@ module TestJsonSerde =
 
         let mutable i = 0
 
-        while i < 10_000 && Array.exists (fun i -> i = 0) counts do
-            let du = Gen.eval 10 (StdGen.StdGen (rand.Next (), rand.Next ())) duGen
+        let property (du : FirstDu) =
             let tag = decompose du
             counts.[tag] <- counts.[tag] + 1
             i <- i + 1
+            true
+
+        Check.One (Config.Quick, Prop.forAll (Arb.fromGen duGen) property)
 
         for i in counts do
             i |> shouldBeGreaterThan 0

WoofWare.Myriad.Plugins.Test/TestMockGenerator/TestMockGenerator.fs

@@ -34,3 +34,16 @@ module TestMockGenerator =
         mock.Mem1 3 'a' |> shouldEqual "aaa"
         mock.Mem2 (3, "hi") 'a' |> shouldEqual "hiahiahi"
         mock.Mem3 (3, "hi") 'a' |> shouldEqual "hiahiahi"
+
+    [<Test>]
+    let ``Example of use: properties`` () =
+        let mock : TypeWithProperties =
+            { TypeWithPropertiesMock.Empty with
+                Mem1 = fun i -> async { return Option.toArray i }
+                Prop1 = fun () -> 44
+            }
+            :> _
+
+        mock.Mem1 (Some "hi") |> Async.RunSynchronously |> shouldEqual [| "hi" |]
+
+        mock.Prop1 |> shouldEqual 44

WoofWare.Myriad.Plugins.Test/TestSwagger/TestSwaggerParse.fs

@@ -3,7 +3,7 @@ namespace WoofWare.Myriad.Plugins.Test
 open System.Text.Json.Nodes
 open NUnit.Framework
 open FsUnitTyped
-open WoofWare.Myriad.Plugins
+open WoofWare.Myriad.Plugins.SwaggerV2
 
 [<TestFixture>]
 module TestSwaggerParse =

WoofWare.Myriad.Plugins.Test/TestSwagger/api-with-examples.json

@@ -0,0 +1,192 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "title": "Simple API overview",
+    "version": "2.0.0"
+  },
+  "paths": {
+    "/": {
+      "get": {
+        "operationId": "listVersionsv2",
+        "summary": "List API versions",
+        "responses": {
+          "200": {
+            "description": "200 response",
+            "content": {
+              "application/json": {
+                "examples": {
+                  "foo": {
+                    "value": {
+                      "versions": [
+                        {
+                          "status": "CURRENT",
+                          "updated": "2011-01-21T11:33:21Z",
+                          "id": "v2.0",
+                          "links": [
+                            {
+                              "href": "http://127.0.0.1:8774/v2/",
+                              "rel": "self"
+                            }
+                          ]
+                        },
+                        {
+                          "status": "EXPERIMENTAL",
+                          "updated": "2013-07-23T11:33:21Z",
+                          "id": "v3.0",
+                          "links": [
+                            {
+                              "href": "http://127.0.0.1:8774/v3/",
+                              "rel": "self"
+                            }
+                          ]
+                        }
+                      ]
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "300": {
+            "description": "300 response",
+            "content": {
+              "application/json": {
+                "examples": {
+                  "foo": {
+                    "value": {
+                      "versions": [
+                        {
+                          "status": "CURRENT",
+                          "updated": "2011-01-21T11:33:21Z",
+                          "id": "v2.0",
+                          "links": [
+                            {
+                              "href": "http://127.0.0.1:8774/v2/",
+                              "rel": "self"
+                            }
+                          ]
+                        },
+                        {
+                          "status": "EXPERIMENTAL",
+                          "updated": "2013-07-23T11:33:21Z",
+                          "id": "v3.0",
+                          "links": [
+                            {
+                              "href": "http://127.0.0.1:8774/v3/",
+                              "rel": "self"
+                            }
+                          ]
+                        }
+                      ]
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/v2": {
+      "get": {
+        "operationId": "getVersionDetailsv2",
+        "summary": "Show API version details",
+        "responses": {
+          "200": {
+            "description": "200 response",
+            "content": {
+              "application/json": {
+                "examples": {
+                  "foo": {
+                    "value": {
+                      "version": {
+                        "status": "CURRENT",
+                        "updated": "2011-01-21T11:33:21Z",
+                        "media-types": [
+                          {
+                            "base": "application/xml",
+                            "type": "application/vnd.openstack.compute+xml;version=2"
+                          },
+                          {
+                            "base": "application/json",
+                            "type": "application/vnd.openstack.compute+json;version=2"
+                          }
+                        ],
+                        "id": "v2.0",
+                        "links": [
+                          {
+                            "href": "http://127.0.0.1:8774/v2/",
+                            "rel": "self"
+                          },
+                          {
+                            "href": "http://docs.openstack.org/api/openstack-compute/2/os-compute-devguide-2.pdf",
+                            "type": "application/pdf",
+                            "rel": "describedby"
+                          },
+                          {
+                            "href": "http://docs.openstack.org/api/openstack-compute/2/wadl/os-compute-2.wadl",
+                            "type": "application/vnd.sun.wadl+xml",
+                            "rel": "describedby"
+                          },
+                          {
+                            "href": "http://docs.openstack.org/api/openstack-compute/2/wadl/os-compute-2.wadl",
+                            "type": "application/vnd.sun.wadl+xml",
+                            "rel": "describedby"
+                          }
+                        ]
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "203": {
+            "description": "203 response",
+            "content": {
+              "application/json": {
+                "examples": {
+                  "foo": {
+                    "value": {
+                      "version": {
+                        "status": "CURRENT",
+                        "updated": "2011-01-21T11:33:21Z",
+                        "media-types": [
+                          {
+                            "base": "application/xml",
+                            "type": "application/vnd.openstack.compute+xml;version=2"
+                          },
+                          {
+                            "base": "application/json",
+                            "type": "application/vnd.openstack.compute+json;version=2"
+                          }
+                        ],
+                        "id": "v2.0",
+                        "links": [
+                          {
+                            "href": "http://23.253.228.211:8774/v2/",
+                            "rel": "self"
+                          },
+                          {
+                            "href": "http://docs.openstack.org/api/openstack-compute/2/os-compute-devguide-2.pdf",
+                            "type": "application/pdf",
+                            "rel": "describedby"
+                          },
+                          {
+                            "href": "http://docs.openstack.org/api/openstack-compute/2/wadl/os-compute-2.wadl",
+                            "type": "application/vnd.sun.wadl+xml",
+                            "rel": "describedby"
+                          }
+                        ]
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/callback-example.json

@@ -0,0 +1,82 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "title": "Callback Example",
+    "version": "1.0.0"
+  },
+  "paths": {
+    "/streams": {
+      "post": {
+        "description": "subscribes a client to receive out-of-band data",
+        "parameters": [
+          {
+            "name": "callbackUrl",
+            "in": "query",
+            "required": true,
+            "description": "the location where data will be sent.  Must be network accessible\nby the source server\n",
+            "schema": {
+              "type": "string",
+              "format": "uri",
+              "example": "https://tonys-server.com"
+            }
+          }
+        ],
+        "responses": {
+          "201": {
+            "description": "subscription successfully created",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "description": "subscription information",
+                  "required": ["subscriptionId"],
+                  "properties": {
+                    "subscriptionId": {
+                      "description": "this unique identifier allows management of the subscription",
+                      "type": "string",
+                      "example": "2531329f-fb09-4ef7-887e-84e648214436"
+                    }
+                  }
+                }
+              }
+            }
+          }
+        },
+        "callbacks": {
+          "onData": {
+            "{$request.query.callbackUrl}/data": {
+              "post": {
+                "requestBody": {
+                  "description": "subscription payload",
+                  "content": {
+                    "application/json": {
+                      "schema": {
+                        "type": "object",
+                        "properties": {
+                          "timestamp": {
+                            "type": "string",
+                            "format": "date-time"
+                          },
+                          "userData": {
+                            "type": "string"
+                          }
+                        }
+                      }
+                    }
+                  }
+                },
+                "responses": {
+                  "202": {
+                    "description": "Your server implementation should return this HTTP status code\nif the data was received successfully\n"
+                  },
+                  "204": {
+                    "description": "Your server should return this HTTP status code if no longer interested\nin further updates\n"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/link-example.json

@@ -0,0 +1,319 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "title": "Link Example",
+    "version": "1.0.0"
+  },
+  "paths": {
+    "/2.0/users/{username}": {
+      "get": {
+        "operationId": "getUserByName",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The User",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/user"
+                }
+              }
+            },
+            "links": {
+              "userRepositories": {
+                "$ref": "#/components/links/UserRepositories"
+              }
+            }
+          }
+        }
+      }
+    },
+    "/2.0/repositories/{username}": {
+      "get": {
+        "operationId": "getRepositoriesByOwner",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "repositories owned by the supplied user",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/repository"
+                  }
+                }
+              }
+            },
+            "links": {
+              "userRepository": {
+                "$ref": "#/components/links/UserRepository"
+              }
+            }
+          }
+        }
+      }
+    },
+    "/2.0/repositories/{username}/{slug}": {
+      "get": {
+        "operationId": "getRepository",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "slug",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The repository",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/repository"
+                }
+              }
+            },
+            "links": {
+              "repositoryPullRequests": {
+                "$ref": "#/components/links/RepositoryPullRequests"
+              }
+            }
+          }
+        }
+      }
+    },
+    "/2.0/repositories/{username}/{slug}/pullrequests": {
+      "get": {
+        "operationId": "getPullRequestsByRepository",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "slug",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "state",
+            "in": "query",
+            "schema": {
+              "type": "string",
+              "enum": ["open", "merged", "declined"]
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "an array of pull request objects",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/pullrequest"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/2.0/repositories/{username}/{slug}/pullrequests/{pid}": {
+      "get": {
+        "operationId": "getPullRequestsById",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "slug",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "pid",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "a pull request object",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/pullrequest"
+                }
+              }
+            },
+            "links": {
+              "pullRequestMerge": {
+                "$ref": "#/components/links/PullRequestMerge"
+              }
+            }
+          }
+        }
+      }
+    },
+    "/2.0/repositories/{username}/{slug}/pullrequests/{pid}/merge": {
+      "post": {
+        "operationId": "mergePullRequest",
+        "parameters": [
+          {
+            "name": "username",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "slug",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "pid",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "204": {
+            "description": "the PR was successfully merged"
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "links": {
+      "UserRepositories": {
+        "operationId": "getRepositoriesByOwner",
+        "parameters": {
+          "username": "$response.body#/username"
+        }
+      },
+      "UserRepository": {
+        "operationId": "getRepository",
+        "parameters": {
+          "username": "$response.body#/owner/username",
+          "slug": "$response.body#/slug"
+        }
+      },
+      "RepositoryPullRequests": {
+        "operationId": "getPullRequestsByRepository",
+        "parameters": {
+          "username": "$response.body#/owner/username",
+          "slug": "$response.body#/slug"
+        }
+      },
+      "PullRequestMerge": {
+        "operationId": "mergePullRequest",
+        "parameters": {
+          "username": "$response.body#/author/username",
+          "slug": "$response.body#/repository/slug",
+          "pid": "$response.body#/id"
+        }
+      }
+    },
+    "schemas": {
+      "user": {
+        "type": "object",
+        "properties": {
+          "username": {
+            "type": "string"
+          },
+          "uuid": {
+            "type": "string"
+          }
+        }
+      },
+      "repository": {
+        "type": "object",
+        "properties": {
+          "slug": {
+            "type": "string"
+          },
+          "owner": {
+            "$ref": "#/components/schemas/user"
+          }
+        }
+      },
+      "pullrequest": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer"
+          },
+          "title": {
+            "type": "string"
+          },
+          "repository": {
+            "$ref": "#/components/schemas/repository"
+          },
+          "author": {
+            "$ref": "#/components/schemas/user"
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/non-oauth-scopes.json

@@ -0,0 +1,28 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "Non-oAuth Scopes example",
+    "version": "1.0.0"
+  },
+  "paths": {
+    "/users": {
+      "get": {
+        "security": [
+          {
+            "bearerAuth": ["read:users", "public"]
+          }
+        ]
+      }
+    }
+  },
+  "components": {
+    "securitySchemes": {
+      "bearerAuth": {
+        "type": "http",
+        "scheme": "bearer",
+        "bearerFormat": "jwt",
+        "description": "note: non-oauth scopes are not defined at the securityScheme level"
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/petstore-expanded.json

@@ -0,0 +1,235 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "version": "1.0.0",
+    "title": "Swagger Petstore",
+    "description": "A sample API that uses a petstore as an example to demonstrate features in the OpenAPI 3.0 specification",
+    "termsOfService": "http://swagger.io/terms/",
+    "contact": {
+      "name": "Swagger API Team",
+      "email": "apiteam@swagger.io",
+      "url": "http://swagger.io"
+    },
+    "license": {
+      "name": "Apache 2.0",
+      "url": "https://www.apache.org/licenses/LICENSE-2.0.html"
+    }
+  },
+  "servers": [
+    {
+      "url": "https://petstore.swagger.io/v2"
+    }
+  ],
+  "paths": {
+    "/pets": {
+      "get": {
+        "description": "Returns all pets from the system that the user has access to\nNam sed condimentum est. Maecenas tempor sagittis sapien, nec rhoncus sem sagittis sit amet. Aenean at gravida augue, ac iaculis sem. Curabitur odio lorem, ornare eget elementum nec, cursus id lectus. Duis mi turpis, pulvinar ac eros ac, tincidunt varius justo. In hac habitasse platea dictumst. Integer at adipiscing ante, a sagittis ligula. Aenean pharetra tempor ante molestie imperdiet. Vivamus id aliquam diam. Cras quis velit non tortor eleifend sagittis. Praesent at enim pharetra urna volutpat venenatis eget eget mauris. In eleifend fermentum facilisis. Praesent enim enim, gravida ac sodales sed, placerat id erat. Suspendisse lacus dolor, consectetur non augue vel, vehicula interdum libero. Morbi euismod sagittis libero sed lacinia.\n\nSed tempus felis lobortis leo pulvinar rutrum. Nam mattis velit nisl, eu condimentum ligula luctus nec. Phasellus semper velit eget aliquet faucibus. In a mattis elit. Phasellus vel urna viverra, condimentum lorem id, rhoncus nibh. Ut pellentesque posuere elementum. Sed a varius odio. Morbi rhoncus ligula libero, vel eleifend nunc tristique vitae. Fusce et sem dui. Aenean nec scelerisque tortor. Fusce malesuada accumsan magna vel tempus. Quisque mollis felis eu dolor tristique, sit amet auctor felis gravida. Sed libero lorem, molestie sed nisl in, accumsan tempor nisi. Fusce sollicitudin massa ut lacinia mattis. Sed vel eleifend lorem. Pellentesque vitae felis pretium, pulvinar elit eu, euismod sapien.\n",
+        "operationId": "findPets",
+        "parameters": [
+          {
+            "name": "tags",
+            "in": "query",
+            "description": "tags to filter by",
+            "required": false,
+            "style": "form",
+            "schema": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            }
+          },
+          {
+            "name": "limit",
+            "in": "query",
+            "description": "maximum number of results to return",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "format": "int32"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "pet response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/Pet"
+                  }
+                }
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      },
+      "post": {
+        "description": "Creates a new pet in the store. Duplicates are allowed",
+        "operationId": "addPet",
+        "requestBody": {
+          "description": "Pet to add to the store",
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/NewPet"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "pet response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Pet"
+                }
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/pets/{id}": {
+      "get": {
+        "description": "Returns a user based on a single ID, if the user does not have access to the pet",
+        "operationId": "find pet by id",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "description": "ID of pet to fetch",
+            "required": true,
+            "schema": {
+              "type": "integer",
+              "format": "int64"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "pet response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Pet"
+                }
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      },
+      "delete": {
+        "description": "deletes a single pet based on the ID supplied",
+        "operationId": "deletePet",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "description": "ID of pet to delete",
+            "required": true,
+            "schema": {
+              "type": "integer",
+              "format": "int64"
+            }
+          }
+        ],
+        "responses": {
+          "204": {
+            "description": "pet deleted"
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "Pet": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/NewPet"
+          },
+          {
+            "type": "object",
+            "required": ["id"],
+            "properties": {
+              "id": {
+                "type": "integer",
+                "format": "int64"
+              }
+            }
+          }
+        ]
+      },
+      "NewPet": {
+        "type": "object",
+        "required": ["name"],
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "tag": {
+            "type": "string"
+          }
+        }
+      },
+      "Error": {
+        "type": "object",
+        "required": ["code", "message"],
+        "properties": {
+          "code": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/petstore.json

@@ -0,0 +1,177 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "version": "1.0.0",
+    "title": "Swagger Petstore",
+    "license": {
+      "name": "MIT"
+    }
+  },
+  "servers": [
+    {
+      "url": "http://petstore.swagger.io/v1"
+    }
+  ],
+  "paths": {
+    "/pets": {
+      "get": {
+        "summary": "List all pets",
+        "operationId": "listPets",
+        "tags": ["pets"],
+        "parameters": [
+          {
+            "name": "limit",
+            "in": "query",
+            "description": "How many items to return at one time (max 100)",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "maximum": 100,
+              "format": "int32"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "A paged array of pets",
+            "headers": {
+              "x-next": {
+                "description": "A link to the next page of responses",
+                "schema": {
+                  "type": "string"
+                }
+              }
+            },
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Pets"
+                }
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      },
+      "post": {
+        "summary": "Create a pet",
+        "operationId": "createPets",
+        "tags": ["pets"],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/Pet"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "201": {
+            "description": "Null response"
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/pets/{petId}": {
+      "get": {
+        "summary": "Info for a specific pet",
+        "operationId": "showPetById",
+        "tags": ["pets"],
+        "parameters": [
+          {
+            "name": "petId",
+            "in": "path",
+            "required": true,
+            "description": "The id of the pet to retrieve",
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Expected response to a valid request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Pet"
+                }
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "Pet": {
+        "type": "object",
+        "required": ["id", "name"],
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "name": {
+            "type": "string"
+          },
+          "tag": {
+            "type": "string"
+          }
+        }
+      },
+      "Pets": {
+        "type": "array",
+        "maxItems": 100,
+        "items": {
+          "$ref": "#/components/schemas/Pet"
+        }
+      },
+      "Error": {
+        "type": "object",
+        "required": ["code", "message"],
+        "properties": {
+          "code": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/tictactoe.json

@@ -0,0 +1,261 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "Tic Tac Toe",
+    "description": "This API allows writing down marks on a Tic Tac Toe board\nand requesting the state of the board or of individual squares.\n",
+    "version": "1.0.0"
+  },
+  "tags": [
+    {
+      "name": "Gameplay"
+    }
+  ],
+  "paths": {
+    "/board": {
+      "get": {
+        "summary": "Get the whole board",
+        "description": "Retrieves the current state of the board and the winner.",
+        "tags": ["Gameplay"],
+        "operationId": "get-board",
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/status"
+                }
+              }
+            }
+          }
+        },
+        "security": [
+          {
+            "defaultApiKey": []
+          },
+          {
+            "app2AppOauth": ["board:read"]
+          }
+        ]
+      }
+    },
+    "/board/{row}/{column}": {
+      "parameters": [
+        {
+          "$ref": "#/components/parameters/rowParam"
+        },
+        {
+          "$ref": "#/components/parameters/columnParam"
+        }
+      ],
+      "get": {
+        "summary": "Get a single board square",
+        "description": "Retrieves the requested square.",
+        "tags": ["Gameplay"],
+        "operationId": "get-square",
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/mark"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "The provided parameters are incorrect",
+            "content": {
+              "text/html": {
+                "schema": {
+                  "$ref": "#/components/schemas/errorMessage"
+                },
+                "example": "Illegal coordinates"
+              }
+            }
+          }
+        },
+        "security": [
+          {
+            "bearerHttpAuthentication": []
+          },
+          {
+            "user2AppOauth": ["board:read"]
+          }
+        ]
+      },
+      "put": {
+        "summary": "Set a single board square",
+        "description": "Places a mark on the board and retrieves the whole board and the winner (if any).",
+        "tags": ["Gameplay"],
+        "operationId": "put-square",
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/mark"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/status"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "The provided parameters are incorrect",
+            "content": {
+              "text/html": {
+                "schema": {
+                  "$ref": "#/components/schemas/errorMessage"
+                },
+                "examples": {
+                  "illegalCoordinates": {
+                    "value": "Illegal coordinates."
+                  },
+                  "notEmpty": {
+                    "value": "Square is not empty."
+                  },
+                  "invalidMark": {
+                    "value": "Invalid Mark (X or O)."
+                  }
+                }
+              }
+            }
+          }
+        },
+        "security": [
+          {
+            "bearerHttpAuthentication": []
+          },
+          {
+            "user2AppOauth": ["board:write"]
+          }
+        ]
+      }
+    }
+  },
+  "components": {
+    "parameters": {
+      "rowParam": {
+        "description": "Board row (vertical coordinate)",
+        "name": "row",
+        "in": "path",
+        "required": true,
+        "schema": {
+          "$ref": "#/components/schemas/coordinate"
+        }
+      },
+      "columnParam": {
+        "description": "Board column (horizontal coordinate)",
+        "name": "column",
+        "in": "path",
+        "required": true,
+        "schema": {
+          "$ref": "#/components/schemas/coordinate"
+        }
+      }
+    },
+    "schemas": {
+      "errorMessage": {
+        "type": "string",
+        "maxLength": 256,
+        "description": "A text message describing an error"
+      },
+      "coordinate": {
+        "type": "integer",
+        "minimum": 1,
+        "maximum": 3,
+        "example": 1
+      },
+      "mark": {
+        "type": "string",
+        "enum": [".", "X", "O"],
+        "description": "Possible values for a board square. `.` means empty square.",
+        "example": "."
+      },
+      "board": {
+        "type": "array",
+        "maxItems": 3,
+        "minItems": 3,
+        "items": {
+          "type": "array",
+          "maxItems": 3,
+          "minItems": 3,
+          "items": {
+            "$ref": "#/components/schemas/mark"
+          }
+        }
+      },
+      "winner": {
+        "type": "string",
+        "enum": [".", "X", "O"],
+        "description": "Winner of the game. `.` means nobody has won yet.",
+        "example": "."
+      },
+      "status": {
+        "type": "object",
+        "properties": {
+          "winner": {
+            "$ref": "#/components/schemas/winner"
+          },
+          "board": {
+            "$ref": "#/components/schemas/board"
+          }
+        }
+      }
+    },
+    "securitySchemes": {
+      "defaultApiKey": {
+        "description": "API key provided in console",
+        "type": "apiKey",
+        "name": "api-key",
+        "in": "header"
+      },
+      "basicHttpAuthentication": {
+        "description": "Basic HTTP Authentication",
+        "type": "http",
+        "scheme": "Basic"
+      },
+      "bearerHttpAuthentication": {
+        "description": "Bearer token using a JWT",
+        "type": "http",
+        "scheme": "Bearer",
+        "bearerFormat": "JWT"
+      },
+      "app2AppOauth": {
+        "type": "oauth2",
+        "flows": {
+          "clientCredentials": {
+            "tokenUrl": "https://learn.openapis.org/oauth/2.0/token",
+            "scopes": {
+              "board:read": "Read the board"
+            }
+          }
+        }
+      },
+      "user2AppOauth": {
+        "type": "oauth2",
+        "flows": {
+          "authorizationCode": {
+            "authorizationUrl": "https://learn.openapis.org/oauth/2.0/auth",
+            "tokenUrl": "https://learn.openapis.org/oauth/2.0/token",
+            "scopes": {
+              "board:read": "Read the board",
+              "board:write": "Write to the board"
+            }
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/uspto.json

@@ -0,0 +1,241 @@
+{
+  "openapi": "3.0.1",
+  "servers": [
+    {
+      "url": "{scheme}://developer.uspto.gov/ds-api",
+      "variables": {
+        "scheme": {
+          "description": "The Data Set API is accessible via https and http",
+          "enum": ["https", "http"],
+          "default": "https"
+        }
+      }
+    }
+  ],
+  "info": {
+    "description": "The Data Set API (DSAPI) allows the public users to discover and search USPTO exported data sets. This is a generic API that allows USPTO users to make any CSV based data files searchable through API. With the help of GET call, it returns the list of data fields that are searchable. With the help of POST call, data can be fetched based on the filters on the field names. Please note that POST call is used to search the actual data. The reason for the POST call is that it allows users to specify any complex search criteria without worry about the GET size limitations as well as encoding of the input parameters.",
+    "version": "1.0.0",
+    "title": "USPTO Data Set API",
+    "contact": {
+      "name": "Open Data Portal",
+      "url": "https://developer.uspto.gov",
+      "email": "developer@uspto.gov"
+    }
+  },
+  "tags": [
+    {
+      "name": "metadata",
+      "description": "Find out about the data sets"
+    },
+    {
+      "name": "search",
+      "description": "Search a data set"
+    }
+  ],
+  "paths": {
+    "/": {
+      "get": {
+        "tags": ["metadata"],
+        "operationId": "list-data-sets",
+        "summary": "List available data sets",
+        "responses": {
+          "200": {
+            "description": "Returns a list of data sets",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/dataSetList"
+                },
+                "example": {
+                  "total": 2,
+                  "apis": [
+                    {
+                      "apiKey": "oa_citations",
+                      "apiVersionNumber": "v1",
+                      "apiUrl": "https://developer.uspto.gov/ds-api/oa_citations/v1/fields",
+                      "apiDocumentationUrl": "https://developer.uspto.gov/ds-api-docs/index.html?url=https://developer.uspto.gov/ds-api/swagger/docs/oa_citations.json"
+                    },
+                    {
+                      "apiKey": "cancer_moonshot",
+                      "apiVersionNumber": "v1",
+                      "apiUrl": "https://developer.uspto.gov/ds-api/cancer_moonshot/v1/fields",
+                      "apiDocumentationUrl": "https://developer.uspto.gov/ds-api-docs/index.html?url=https://developer.uspto.gov/ds-api/swagger/docs/cancer_moonshot.json"
+                    }
+                  ]
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/{dataset}/{version}/fields": {
+      "get": {
+        "tags": ["metadata"],
+        "summary": "Provides the general information about the API and the list of fields that can be used to query the dataset.",
+        "description": "This GET API returns the list of all the searchable field names that are in the oa_citations. Please see the 'fields' attribute which returns an array of field names. Each field or a combination of fields can be searched using the syntax options shown below.",
+        "operationId": "list-searchable-fields",
+        "parameters": [
+          {
+            "name": "dataset",
+            "in": "path",
+            "description": "Name of the dataset.",
+            "required": true,
+            "example": "oa_citations",
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "version",
+            "in": "path",
+            "description": "Version of the dataset.",
+            "required": true,
+            "example": "v1",
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The dataset API for the given version is found and it is accessible to consume.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "string"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "The combination of dataset name and version is not found in the system or it is not published yet to be consumed by public.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/{dataset}/{version}/records": {
+      "post": {
+        "tags": ["search"],
+        "summary": "Provides search capability for the data set with the given search criteria.",
+        "description": "This API is based on Solr/Lucene Search. The data is indexed using SOLR. This GET API returns the list of all the searchable field names that are in the Solr Index. Please see the 'fields' attribute which returns an array of field names. Each field or a combination of fields can be searched using the Solr/Lucene Syntax. Please refer https://lucene.apache.org/core/3_6_2/queryparsersyntax.html#Overview for the query syntax. List of field names that are searchable can be determined using above GET api.",
+        "operationId": "perform-search",
+        "parameters": [
+          {
+            "name": "version",
+            "in": "path",
+            "description": "Version of the dataset.",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "default": "v1"
+            }
+          },
+          {
+            "name": "dataset",
+            "in": "path",
+            "description": "Name of the dataset. In this case, the default value is oa_citations",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "default": "oa_citations"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successful operation",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "type": "object",
+                    "additionalProperties": {
+                      "type": "object"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "No matching record found for the given criteria."
+          }
+        },
+        "requestBody": {
+          "content": {
+            "application/x-www-form-urlencoded": {
+              "schema": {
+                "type": "object",
+                "properties": {
+                  "criteria": {
+                    "description": "Uses Lucene Query Syntax in the format of propertyName:value, propertyName:[num1 TO num2] and date range format: propertyName:[yyyyMMdd TO yyyyMMdd]. In the response please see the 'docs' element which has the list of record objects. Each record structure would consist of all the fields and their corresponding values.",
+                    "type": "string",
+                    "default": "*:*"
+                  },
+                  "start": {
+                    "description": "Starting record number. Default value is 0.",
+                    "type": "integer",
+                    "default": 0
+                  },
+                  "rows": {
+                    "description": "Specify number of rows to be returned. If you run the search with default values, in the response you will see 'numFound' attribute which will tell the number of records available in the dataset.",
+                    "type": "integer",
+                    "default": 100
+                  }
+                },
+                "required": ["criteria"]
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "dataSetList": {
+        "type": "object",
+        "properties": {
+          "total": {
+            "type": "integer"
+          },
+          "apis": {
+            "type": "array",
+            "items": {
+              "type": "object",
+              "properties": {
+                "apiKey": {
+                  "type": "string",
+                  "description": "To be used as a dataset parameter value"
+                },
+                "apiVersionNumber": {
+                  "type": "string",
+                  "description": "To be used as a version parameter value"
+                },
+                "apiUrl": {
+                  "type": "string",
+                  "format": "uriref",
+                  "description": "The URL describing the dataset's fields"
+                },
+                "apiDocumentationUrl": {
+                  "type": "string",
+                  "format": "uriref",
+                  "description": "A URL to the API console for each API"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/TestSwagger/webhook-example.json

@@ -0,0 +1,47 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "Webhook Example",
+    "version": "1.0.0"
+  },
+  "webhooks": {
+    "newPet": {
+      "post": {
+        "requestBody": {
+          "description": "Information about a new pet in the system",
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/Pet"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Return a 200 status to indicate that the data was received successfully"
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "Pet": {
+        "required": ["id", "name"],
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "name": {
+            "type": "string"
+          },
+          "tag": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  }
+}

WoofWare.Myriad.Plugins.Test/WoofWare.Myriad.Plugins.Test.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
     <!--
@@ -9,11 +9,13 @@
       I have not yet seen a single instance where I care about this warning
     -->
     <NoWarn>$(NoWarn),NU1903</NoWarn>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Include="HttpClient.fs"/>
-    <Compile Include="PureGymDtos.fs"/>
+    <Compile Include="Assembly.fs" />
+    <Compile Include="HttpClient.fs" />
+    <Compile Include="PureGymDtos.fs" />
     <Compile Include="TestJsonParse\TestJsonParse.fs" />
     <Compile Include="TestJsonParse\TestPureGymJson.fs" />
     <Compile Include="TestJsonParse\TestExtensionMethod.fs" />
@@ -35,23 +37,34 @@
     <Compile Include="TestCataGenerator\TestMyList2.fs" />
     <Compile Include="TestArgParser\TestArgParser.fs" />
     <Compile Include="TestSwagger\TestSwaggerParse.fs" />
-    <Compile Include="TestRemoveOptions.fs"/>
-    <Compile Include="TestSurface.fs"/>
+    <Compile Include="TestSwagger\TestOpenApi3Parse.fs" />
+    <EmbeddedResource Include="TestSwagger\api-with-examples.json" />
+    <EmbeddedResource Include="TestSwagger\callback-example.json" />
+    <EmbeddedResource Include="TestSwagger\link-example.json" />
+    <EmbeddedResource Include="TestSwagger\non-oauth-scopes.json" />
+    <EmbeddedResource Include="TestSwagger\petstore.json" />
+    <EmbeddedResource Include="TestSwagger\petstore-expanded.json" />
+    <EmbeddedResource Include="TestSwagger\tictactoe.json" />
+    <EmbeddedResource Include="TestSwagger\uspto.json" />
+    <EmbeddedResource Include="TestSwagger\webhook-example.json" />
+    <Compile Include="TestRemoveOptions.fs" />
+    <Compile Include="TestSurface.fs" />
     <None Include="../.github/workflows/dotnet.yaml" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="ApiSurface" Version="4.1.5"/>
-    <PackageReference Include="FsCheck" Version="2.16.6"/>
-    <PackageReference Include="FsUnit" Version="6.0.1"/>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
-    <PackageReference Include="NUnit" Version="4.2.2"/>
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
+    <PackageReference Include="ApiSurface" Version="4.1.22" />
+    <PackageReference Include="FsCheck" Version="3.3.0" />
+    <PackageReference Include="FsUnit" Version="7.1.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
+    <PackageReference Include="WoofWare.Expect" Version="0.6.2" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\WoofWare.Myriad.Plugins\WoofWare.Myriad.Plugins.fsproj"/>
-    <ProjectReference Include="..\ConsumePlugin\ConsumePlugin.fsproj"/>
+    <ProjectReference Include="..\WoofWare.Myriad.Plugins\WoofWare.Myriad.Plugins.fsproj" />
+    <ProjectReference Include="..\ConsumePlugin\ConsumePlugin.fsproj" />
   </ItemGroup>
 
 </Project>

WoofWare.Myriad.Plugins/ApacheLicence.txt

@@ -1,201 +0,0 @@
-Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
-
-   3. Grant of Patent License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      (except as stated in this section) patent license to make, have made,
-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
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WoofWare.Myriad.Plugins/ArgParserGenerator.fs

@@ -673,7 +673,7 @@ module internal ArgParserGenerator =
                 args
                 |> Map.toList
                 |> List.map (fun (ident, expr) -> SynLongIdent.create [ Ident.create ident ], expr)
-                |> AstHelper.instantiateRecord
+                |> SynExpr.createRecord None
             )
 
         tree, counter
@@ -1396,7 +1396,7 @@ module internal ArgParserGenerator =
 
                             [
                                 SynMatchClause.create
-                                    SynPat.createNull
+                                    (SynPat.named "None")
                                     (SynExpr.sequential
                                         [
                                             errorMessage
@@ -1406,7 +1406,7 @@ module internal ArgParserGenerator =
                                             unchecked
                                         ])
 
-                                SynMatchClause.create (SynPat.named "x") parser
+                                SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "x" ]) parser
                             ]
                             |> SynExpr.createMatch result
                         | ArgumentDefaultSpec.FunctionCall name ->
@@ -1694,7 +1694,7 @@ module internal ArgParserGenerator =
                     [ Ident.create "parse'" ]
                     [
                         SynPat.named "getEnvironmentVariable"
-                        |> SynPat.annotateType (SynType.funFromDomain SynType.string SynType.string)
+                        |> SynPat.annotateType (SynType.funFromDomain SynType.string (SynType.option SynType.string))
                         argsParam
                     ]
                 |> SynBinding.withReturnAnnotation (SynType.createLongIdent [ taggedType.Name ])
@@ -1708,7 +1708,12 @@ module internal ArgParserGenerator =
 
             let parse =
                 SynExpr.createLongIdent' parsePrimeCall
-                |> SynExpr.applyTo (SynExpr.createLongIdent [ "System" ; "Environment" ; "GetEnvironmentVariable" ])
+                |> SynExpr.applyTo (
+                    SynExpr.paren (
+                        SynExpr.createLongIdent [ "System" ; "Environment" ; "GetEnvironmentVariable" ]
+                        |> SynExpr.composeWith (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+                    )
+                )
                 |> SynExpr.applyTo (SynExpr.createIdent "args")
                 |> SynBinding.basic [ Ident.create "parse" ] [ argsParam ]
                 |> SynBinding.withReturnAnnotation (SynType.createLongIdent [ taggedType.Name ])
@@ -1758,10 +1763,7 @@ type ArgParserGenerator () =
             let ast, _ =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
-            let types =
-                Ast.extractTypeDefn ast
-                |> List.groupBy (fst >> List.map _.idText >> String.concat ".")
-                |> List.map (fun (_, v) -> fst (List.head v), List.collect snd v)
+            let types = Ast.getTypes ast
 
             let opens = AstHelper.extractOpens ast
 

WoofWare.Myriad.Plugins/AssemblyInfo.fs

@@ -0,0 +1,6 @@
+module internal WoofWare.Myriad.Plugins.AssemblyInfo
+
+open System.Runtime.CompilerServices
+
+[<assembly : InternalsVisibleTo("WoofWare.Myriad.Plugins.Test")>]
+do ()

WoofWare.Myriad.Plugins/AstHelper.fs

@@ -36,13 +36,6 @@ module internal AstHelper =
         | SynTypeDefnRepr.Simple (SynTypeDefnSimpleRepr.Enum _, _) -> true
         | _ -> false
 
-    let instantiateRecord (fields : (SynLongIdent * SynExpr) list) : SynExpr =
-        let fields =
-            fields
-            |> List.map (fun (rfn, synExpr) -> SynExprRecordField ((rfn, true), Some range0, Some synExpr, None))
-
-        SynExpr.Record (None, None, fields, range0)
-
     let defineRecordType (record : RecordType) : SynTypeDefn =
         let name =
             SynComponentInfo.create record.Name

WoofWare.Myriad.Plugins/CataGenerator.fs

@@ -1174,28 +1174,30 @@ module internal CataGenerator =
         ]
         |> SynModuleOrNamespace.createNamespace ns
 
-    /// This function comes from Myriad, and is therefore derived from an Apache 2.0-licenced work.
-    /// https://github.com/MoiraeSoftware/myriad/blob/3c9818faabf9d508c10c28d5ecd26e66fafb48a1/src/Myriad.Core/Ast.fs#L160
-    /// A copy of the Apache 2.0 licence is at ApacheLicence.txt.
+    /// For each namespace/module, grab the types which are defined in consecutive `and`-knots in that namespace/module,
+    /// and also return the fully-qualified namespace/module name alongside that group of types.
+    /// A given module LongIdent may show up many times in the output: once for each recursive knot.
+    // Function originally inspired by https://github.com/MoiraeSoftware/myriad/blob/3c9818faabf9d508c10c28d5ecd26e66fafb48a1/src/Myriad.Core/Ast.fs#L160
+    // but there's really only one reasonable implementation of this type signature and semantics.
     let groupedTypeDefns (ast : ParsedInput) : (LongIdent * SynTypeDefn list) list =
-        let rec extractTypes (moduleDecls : SynModuleDecl list) (ns : LongIdent) =
-            [
-                for moduleDecl in moduleDecls do
-                    match moduleDecl with
-                    | SynModuleDecl.Types (types, _) -> yield (ns, types)
-                    | SynModuleDecl.NestedModule (SynComponentInfo (_, _, _, longId, _, _, _, _), _, decls, _, _, _) ->
-                        let combined = longId |> List.append ns
-                        yield! (extractTypes decls combined)
-                    | _ -> ()
-            ]
+        let rec extractTypes (decls : SynModuleDecl list) (ns : LongIdent) =
+            decls
+            |> List.collect (fun moduleDecl ->
+                match moduleDecl with
+                | SynModuleDecl.Types (types, _) -> [ ns, types ]
+                | SynModuleDecl.NestedModule (SynComponentInfo (_, _, _, longId, _, _, _, _), _, decls, _, _, _) ->
+                    let combined = longId |> List.append ns
+                    extractTypes decls combined
+                | _ -> []
+            )
 
-        [
-            match ast with
-            | ParsedInput.ImplFile (ParsedImplFileInput (_, _, _, _, _, modules, _, _, _)) ->
-                for SynModuleOrNamespace (namespaceId, _, _, moduleDecls, _, _, _, _, _) in modules do
-                    yield! extractTypes moduleDecls namespaceId
-            | _ -> ()
-        ]
+        match ast with
+        | ParsedInput.ImplFile (ParsedImplFileInput (_, _, _, _, _, contents, _, _, _)) ->
+            contents
+            |> List.collect (fun (SynModuleOrNamespace (namespaceId, _, _, moduleDecls, _, _, _, _, _)) ->
+                extractTypes moduleDecls namespaceId
+            )
+        | _ -> []
 
 open Myriad.Core
 

WoofWare.Myriad.Plugins/HttpClientGenerator.fs

@@ -1,6 +1,5 @@
 namespace WoofWare.Myriad.Plugins
 
-open System.IO
 open System.Net.Http
 open Fantomas.FCS.Syntax
 open WoofWare.Whippet.Fantomas
@@ -14,17 +13,6 @@ type internal HttpClientGeneratorOutputSpec =
 module internal HttpClientGenerator =
     open Fantomas.FCS.Text.Range
 
-    let outputFile = FileInfo "/tmp/output.txt"
-
-    // do
-    //     use _ = File.Create outputFile.FullName
-    //     ()
-
-    let log (line : string) =
-        // use w = outputFile.AppendText ()
-        // w.WriteLine line
-        ()
-
     [<RequireQualifiedAccess>]
     type PathSpec =
         | Verbatim of string
@@ -82,7 +70,7 @@ module internal HttpClientGenerator =
         if m = HttpMethod.Get then "Get"
         elif m = HttpMethod.Post then "Post"
         elif m = HttpMethod.Delete then "Delete"
-        elif m = HttpMethod.Patch then "Post"
+        elif m = HttpMethod.Patch then "Patch"
         elif m = HttpMethod.Options then "Options"
         elif m = HttpMethod.Head then "Head"
         elif m = HttpMethod.Put then "Put"
@@ -409,42 +397,76 @@ module internal HttpClientGenerator =
             | String -> SynExpr.createIdent "responseString"
             | Stream -> SynExpr.createIdent "responseStream"
             | RestEaseResponseType contents ->
-                let deserialiser =
-                    JsonParseGenerator.parseNode
+                match JsonNodeWithNullability.Identify contents with
+                | CannotBeNull ->
+                    let deserialiser =
+                        JsonParseGenerator.parseNonNullableNode
+                            None
+                            JsonParseGenerator.JsonParseOption.None
+                            contents
+                            (SynExpr.createIdent "jsonNode")
+                        |> SynExpr.paren
+                        |> SynExpr.createThunk
+
+                    // new RestEase.Response (content : string, response : HttpResponseMessage, deserialiser : unit -> 'T)
+                    SynExpr.createNew
+                        (SynType.app' (SynType.createLongIdent' [ "RestEase" ; "Response" ]) [ SynType.Anon range0 ])
+                        (SynExpr.tupleNoParen
+                            [
+                                SynExpr.createIdent "responseString"
+                                SynExpr.createIdent "response"
+                                deserialiser
+                            ])
+                | Nullable ->
+                    let deserialiser =
+                        JsonParseGenerator.parseNullableNode
+                            None
+                            JsonParseGenerator.JsonParseOption.None
+                            contents
+                            (SynExpr.createIdent "jsonNode")
+                        |> SynExpr.paren
+                        |> SynExpr.createThunk
+
+                    // new RestEase.Response (content : string, response : HttpResponseMessage, deserialiser : unit -> 'T)
+                    SynExpr.createNew
+                        (SynType.app' (SynType.createLongIdent' [ "RestEase" ; "Response" ]) [ SynType.Anon range0 ])
+                        (SynExpr.tupleNoParen
+                            [
+                                SynExpr.createIdent "responseString"
+                                SynExpr.createIdent "response"
+                                deserialiser
+                            ])
+            | retType ->
+                match JsonNodeWithNullability.Identify retType with
+                | Nullable ->
+                    JsonParseGenerator.parseNullableNode
                         None
                         JsonParseGenerator.JsonParseOption.None
-                        contents
+                        retType
+                        (SynExpr.createIdent "jsonNode")
+                | CannotBeNull ->
+                    JsonParseGenerator.parseNonNullableNode
+                        None
+                        JsonParseGenerator.JsonParseOption.None
+                        retType
                         (SynExpr.createIdent "jsonNode")
-                    |> SynExpr.paren
-                    |> SynExpr.createThunk
-
-                // new RestEase.Response (content : string, response : HttpResponseMessage, deserialiser : unit -> 'T)
-                SynExpr.createNew
-                    (SynType.app' (SynType.createLongIdent' [ "RestEase" ; "Response" ]) [ SynType.Anon range0 ])
-                    (SynExpr.tupleNoParen
-                        [
-                            SynExpr.createIdent "responseString"
-                            SynExpr.createIdent "response"
-                            deserialiser
-                        ])
-            | retType ->
-                JsonParseGenerator.parseNode
-                    None
-                    JsonParseGenerator.JsonParseOption.None
-                    retType
-                    (SynExpr.createIdent "jsonNode")
 
         let contentTypeHeader, memberHeaders =
             info.Headers
-            |> List.partition (fun (headerName, headerValue) ->
+            |> List.partition (fun (headerName, _headerValue) ->
                 match headerName |> SynExpr.stripOptionalParen with
-                | SynExpr.Const (SynConst.String ("Content-Type", _, _), _) -> true
+                | SynExpr.Const (SynConst.String (s, _, _), _) ->
+                    System.String.Equals (s, "Content-Type", System.StringComparison.OrdinalIgnoreCase)
                 | _ -> false
             )
 
         let contentTypeHeader =
             match contentTypeHeader with
-            | [] -> None
+            | [] ->
+                // Set application/json if we *know* we're sending JSON
+                match bodyParam with
+                | Some (BodyParamMethods.Serialise _, _) -> Some (SynExpr.CreateConst "application/json")
+                | _ -> None
             | [ _, ct ] -> Some (SynExpr.stripOptionalParen ct)
             | _ -> failwith "Unexpectedly got multiple Content-Type headers"
 
@@ -505,23 +527,45 @@ module internal HttpClientGenerator =
                         )
                     ]
                 | BodyParamMethods.Serialise ty ->
+                    let isNullable =
+                        match JsonNodeWithNullability.Identify ty with
+                        | CannotBeNull -> false
+                        | Nullable -> true
+
                     [
                         Let (
                             "queryParams",
                             createStringContent (
                                 SynExpr.createIdent' bodyParamName
-                                |> SynExpr.pipeThroughFunction (fst (JsonSerializeGenerator.serializeNode ty))
+                                |> SynExpr.pipeThroughFunction (
+                                    fst (
+                                        (if isNullable then
+                                             JsonSerializeGenerator.serializeNodeNullable
+                                         else
+                                             JsonSerializeGenerator.serializeNodeNonNullable)
+                                            ty
+                                    )
+                                )
                                 |> SynExpr.pipeThroughFunction (
                                     SynExpr.createLambda
                                         "node"
-                                        (SynExpr.ifThenElse
-                                            (SynExpr.applyFunction
-                                                (SynExpr.createIdent "isNull")
-                                                (SynExpr.createIdent "node"))
-                                            (SynExpr.applyFunction
-                                                (SynExpr.createLongIdent [ "node" ; "ToJsonString" ])
-                                                (SynExpr.CreateConst ()))
-                                            (SynExpr.CreateConst "null"))
+                                        (if isNullable then
+                                             SynExpr.createMatch
+                                                 (SynExpr.createIdent "node")
+                                                 [
+                                                     SynMatchClause.create
+                                                         (SynPat.named "None")
+                                                         (SynExpr.CreateConst "null")
+                                                     SynMatchClause.create
+                                                         (SynPat.nameWithArgs "Some" [ SynPat.named "node" ])
+                                                         (SynExpr.applyFunction
+                                                             (SynExpr.createLongIdent [ "node" ; "ToJsonString" ])
+                                                             (SynExpr.CreateConst ()))
+                                                 ]
+                                         else
+                                             (SynExpr.applyFunction
+                                                 (SynExpr.createLongIdent [ "node" ; "ToJsonString" ])
+                                                 (SynExpr.CreateConst ())))
                                 )
                             )
                         )
@@ -568,6 +612,24 @@ module internal HttpClientGenerator =
                     )
                 )
 
+            let jsonNodeWithoutNull =
+                match JsonNodeWithNullability.Identify info.TaskReturnType with
+                | Nullable ->
+                    Let (
+                        "jsonNode",
+                        SynExpr.createIdent "jsonNode"
+                        |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+                    )
+                | CannotBeNull ->
+                    Let (
+                        "jsonNode",
+                        JsonSerializeGenerator.assertNotNull
+                            (Ident.create "jsonNode")
+                            (SynExpr.CreateConst
+                                $"Response from server was the JSON null object; expected a non-nullable type %s{SynType.toHumanReadableString info.TaskReturnType}")
+                            (SynExpr.createIdent "jsonNode")
+                    )
+
             let setVariableHeaders =
                 variableHeaders
                 |> List.map (fun (headerName, callToGetValue) ->
@@ -642,6 +704,7 @@ module internal HttpClientGenerator =
                     yield responseString
                     yield responseStream
                     yield jsonNode
+                    yield jsonNodeWithoutNull
                 | String -> yield responseString
                 | Stream -> yield responseStream
                 | UnitType ->
@@ -650,6 +713,7 @@ module internal HttpClientGenerator =
                 | _ ->
                     yield responseStream
                     yield jsonNode
+                    yield jsonNodeWithoutNull
             ]
             |> SynExpr.createCompExpr "async" returnExpr
             |> SynExpr.startAsTask cancellationTokenArg
@@ -996,7 +1060,7 @@ type HttpClientGenerator () =
             let ast, _ =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
-            let types = Ast.extractTypeDefn ast
+            let types = Ast.getTypes ast
 
             let opens = AstHelper.extractOpens ast
 

WoofWare.Myriad.Plugins/HttpMethod.fs

@@ -0,0 +1,66 @@
+namespace WoofWare.Myriad.Plugins
+
+open System
+
+/// An HTTP method. This is System.Net.Http.HttpMethod, but
+/// a proper discriminated union.
+type HttpMethod =
+    /// HTTP Get
+    | Get
+    /// HTTP Post
+    | Post
+    /// HTTP Delete
+    | Delete
+    /// HTTP Patch
+    | Patch
+    /// HTTP Options
+    | Options
+    /// HTTP Head
+    | Head
+    /// HTTP Put
+    | Put
+    /// HTTP Trace
+    | Trace
+
+    /// Convert to the standard library's enum type.
+    member this.ToDotNet () : System.Net.Http.HttpMethod =
+        match this with
+        | HttpMethod.Get -> System.Net.Http.HttpMethod.Get
+        | HttpMethod.Post -> System.Net.Http.HttpMethod.Post
+        | HttpMethod.Delete -> System.Net.Http.HttpMethod.Delete
+        | HttpMethod.Patch -> System.Net.Http.HttpMethod.Patch
+        | HttpMethod.Options -> System.Net.Http.HttpMethod.Options
+        | HttpMethod.Head -> System.Net.Http.HttpMethod.Head
+        | HttpMethod.Put -> System.Net.Http.HttpMethod.Put
+        | HttpMethod.Trace -> System.Net.Http.HttpMethod.Trace
+
+    /// Human-readable string representation.
+    override this.ToString () : string =
+        match this with
+        | HttpMethod.Get -> "Get"
+        | HttpMethod.Post -> "Post"
+        | HttpMethod.Delete -> "Delete"
+        | HttpMethod.Patch -> "Patch"
+        | HttpMethod.Options -> "Options"
+        | HttpMethod.Head -> "Head"
+        | HttpMethod.Put -> "Put"
+        | HttpMethod.Trace -> "Trace"
+
+    /// Throws on invalid inputs.
+    static member Parse (s : string) : HttpMethod =
+        if String.Equals (s, "get", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Get
+        elif String.Equals (s, "post", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Post
+        elif String.Equals (s, "patch", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Patch
+        elif String.Equals (s, "delete", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Delete
+        elif String.Equals (s, "head", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Head
+        elif String.Equals (s, "options", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Options
+        elif String.Equals (s, "put", StringComparison.OrdinalIgnoreCase) then
+            HttpMethod.Put
+        else
+            failwith $"Unrecognised method: %s{s}"

WoofWare.Myriad.Plugins/InterfaceMockGenerator.fs

@@ -89,7 +89,7 @@ module internal InterfaceMockGenerator =
                      []
                  else
                      [ SynPat.unit ])
-                (AstHelper.instantiateRecord constructorFields)
+                (SynExpr.createRecord None constructorFields)
             |> SynBinding.withXmlDoc (PreXmlDoc.create "An implementation where every method throws.")
             |> SynBinding.withReturnAnnotation constructorReturnType
             |> SynMemberDefn.staticMember
@@ -159,6 +159,15 @@ module internal InterfaceMockGenerator =
                     |> SynMemberDefn.memberImplementation
                 )
 
+            let properties =
+                interfaceType.Properties
+                |> List.map (fun pi ->
+                    SynExpr.createLongIdent' [ Ident.create "this" ; pi.Identifier ]
+                    |> SynExpr.applyTo (SynExpr.CreateConst ())
+                    |> SynBinding.basic [ Ident.create "this" ; pi.Identifier ] []
+                    |> SynMemberDefn.memberImplementation
+                )
+
             let interfaceName =
                 let baseName = SynType.createLongIdent interfaceType.Name
 
@@ -174,7 +183,7 @@ module internal InterfaceMockGenerator =
 
                     SynType.app' baseName generics
 
-            SynMemberDefn.Interface (interfaceName, Some range0, Some members, range0)
+            SynMemberDefn.Interface (interfaceName, Some range0, Some (members @ properties), range0)
 
         let access =
             match interfaceType.Accessibility, spec.IsInternal with
@@ -248,6 +257,15 @@ module internal InterfaceMockGenerator =
         |> SynField.make
         |> SynField.withDocString (mem.XmlDoc |> Option.defaultValue PreXmlDoc.Empty)
 
+    let constructProperty (prop : PropertyInfo) : SynField =
+        {
+            Attrs = []
+            Ident = Some prop.Identifier
+            Type = SynType.toFun [ SynType.unit ] prop.Type
+        }
+        |> SynField.make
+        |> SynField.withDocString (prop.XmlDoc |> Option.defaultValue PreXmlDoc.Empty)
+
     let createRecord
         (namespaceId : LongIdent)
         (opens : SynOpenDeclTarget list)
@@ -255,7 +273,12 @@ module internal InterfaceMockGenerator =
         : SynModuleOrNamespace
         =
         let interfaceType = AstHelper.parseInterface interfaceType
-        let fields = interfaceType.Members |> List.map constructMember
+
+        let fields =
+            interfaceType.Members
+            |> List.map constructMember
+            |> List.append (interfaceType.Properties |> List.map constructProperty)
+
         let docString = PreXmlDoc.create "Mock record type for an interface"
 
         let name =
@@ -291,14 +314,14 @@ type InterfaceMockGenerator () =
             let ast, _ =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
-            let types = Ast.extractTypeDefn ast
+            let types = Ast.getTypes ast
 
             let namespaceAndInterfaces =
                 types
                 |> List.choose (fun (ns, types) ->
                     types
                     |> List.choose (fun typeDef ->
-                        match Ast.getAttribute<GenerateMockAttribute> typeDef with
+                        match SynTypeDefn.getAttribute typeof<GenerateMockAttribute>.Name typeDef with
                         | None ->
                             let name = SynTypeDefn.getName typeDef |> List.map _.idText |> String.concat "."
 

WoofWare.Myriad.Plugins/JsonHelpers.fs

@@ -0,0 +1,48 @@
+namespace WoofWare.Myriad.Plugins
+
+open System.Text.Json.Nodes
+
+[<AutoOpen>]
+module internal JsonHelpers =
+    let inline asString (n : JsonNode) (key : string) : string =
+        match n.[key] with
+        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
+        | s -> s.GetValue<string> ()
+
+    [<RequiresExplicitTypeArguments>]
+    let inline asOpt<'ret> (n : JsonNode) (key : string) : 'ret option =
+        match n.[key] with
+        | null -> None
+        | s -> s.GetValue<'ret> () |> Some
+
+    let inline asObj (n : JsonNode) (key : string) : JsonObject =
+        match n.[key] with
+        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
+        | o -> o.AsObject ()
+
+    let inline asObjOpt (n : JsonNode) (key : string) : JsonObject option =
+        match n.[key] with
+        | null -> None
+        | o -> o.AsObject () |> Some
+
+    let inline asArr (n : JsonNode) (key : string) : JsonArray =
+        match n.[key] with
+        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
+        | o -> o.AsArray ()
+
+    let inline asArrOpt (n : JsonNode) (key : string) : JsonArray option =
+        match n.[key] with
+        | null -> None
+        | o -> o.AsArray () |> Some
+
+    [<RequiresExplicitTypeArguments>]
+    let inline asArr'<'v> (n : JsonNode) (key : string) : 'v list =
+        match n.[key] with
+        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
+        | o -> o.AsArray () |> Seq.map (fun v -> v.GetValue<'v> ()) |> Seq.toList
+
+    [<RequiresExplicitTypeArguments>]
+    let inline asArrOpt'<'v> (n : JsonNode) (key : string) : 'v list option =
+        match n.[key] with
+        | null -> None
+        | o -> o.AsArray () |> Seq.map (fun v -> v.GetValue<'v> ()) |> Seq.toList |> Some

WoofWare.Myriad.Plugins/JsonParseGenerator.fs

@@ -26,7 +26,7 @@ module internal JsonParseGenerator =
             }
 
     /// (match {indexed} with | null -> raise (System.Collections.Generic.KeyNotFoundException ({propertyName} not found)) | v -> v)
-    let assertNotNull (propertyName : SynExpr) (indexed : SynExpr) =
+    let assertPropertyExists (propertyName : SynExpr) (indexed : SynExpr) =
         let raiseExpr =
             SynExpr.applyFunction
                 (SynExpr.createIdent "sprintf")
@@ -40,34 +40,34 @@ module internal JsonParseGenerator =
             |> SynExpr.applyFunction (SynExpr.createIdent "raise")
 
         [
-            SynMatchClause.create SynPat.createNull raiseExpr
-            SynMatchClause.create (SynPat.named "v") (SynExpr.createIdent "v")
+            SynMatchClause.create (SynPat.named "None") raiseExpr
+            SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "v" ]) (SynExpr.createIdent "v")
         ]
         |> SynExpr.createMatch indexed
         |> SynExpr.paren
 
     /// {node}.AsValue().GetValue<{typeName}> ()
-    /// If `propertyName` is Some, uses `assertNotNull {node}` instead of `{node}`.
+    /// If `propertyName` is Some, uses `assertPropertyExists {node}` instead of `{node}`.
     let asValueGetValue (propertyName : SynExpr option) (typeName : string) (node : SynExpr) : SynExpr =
         match propertyName with
         | None -> node
-        | Some propertyName -> assertNotNull propertyName node
+        | Some propertyName -> assertPropertyExists propertyName node
         |> SynExpr.callMethod "AsValue"
         |> SynExpr.callGenericMethod' "GetValue" typeName
 
     let asValueGetValueIdent (propertyName : SynExpr option) (typeName : LongIdent) (node : SynExpr) : SynExpr =
         match propertyName with
         | None -> node
-        | Some propertyName -> assertNotNull propertyName node
+        | Some propertyName -> assertPropertyExists propertyName node
         |> SynExpr.callMethod "AsValue"
         |> SynExpr.callGenericMethod (SynLongIdent.createS "GetValue") [ SynType.createLongIdent typeName ]
 
     /// {node}.AsObject()
-    /// If `propertyName` is Some, uses `assertNotNull {node}` instead of `{node}`.
+    /// If `propertyName` is Some, uses `assertPropertyExists {node}` instead of `{node}`.
     let asObject (propertyName : SynExpr option) (node : SynExpr) : SynExpr =
         match propertyName with
         | None -> node
-        | Some propertyName -> assertNotNull propertyName node
+        | Some propertyName -> assertPropertyExists propertyName node
         |> SynExpr.callMethod "AsObject"
 
     /// {type}.jsonParse {node}
@@ -77,11 +77,12 @@ module internal JsonParseGenerator =
 
     /// collectionType is e.g. "List"; we'll be calling `ofSeq` on it.
     /// body is the body of a lambda which takes a parameter `elt`.
-    /// {assertNotNull node}.AsArray()
-    /// |> Seq.map (fun elt -> {body})
+    /// {assertPropertyExists node}.AsArray()
+    /// |> Seq.map (fun elt -> {assertNotNull} {body})
     /// |> {collectionType}.ofSeq
     let asArrayMapped
         (propertyName : SynExpr option)
+        (elementType : SynType)
         (collectionType : string)
         (node : SynExpr)
         (body : SynExpr)
@@ -89,10 +90,23 @@ module internal JsonParseGenerator =
         =
         match propertyName with
         | None -> node
-        | Some propertyName -> assertNotNull propertyName node
+        | Some propertyName -> assertPropertyExists propertyName node
         |> SynExpr.callMethod "AsArray"
         |> SynExpr.pipeThroughFunction (
-            SynExpr.applyFunction (SynExpr.createLongIdent [ "Seq" ; "map" ]) (SynExpr.createLambda "elt" body)
+            body
+            |> JsonSerializeGenerator.assertNotNull
+                (Ident.create "elt")
+                (match propertyName with
+                 | None ->
+                     SynExpr.CreateConst
+                         $"Expected element of array (element type %s{SynType.toHumanReadableString elementType}) to be non-null, but found a null element"
+                 | Some propertyName ->
+                     SynExpr.CreateConst
+                         $"Expected element of array (element type %s{SynType.toHumanReadableString elementType}) to be non-null, but found a null element, at %%s"
+                     |> SynExpr.applyFunction (SynExpr.createIdent "sprintf")
+                     |> SynExpr.applyTo propertyName)
+            |> SynExpr.createLambda "elt"
+            |> SynExpr.applyFunction (SynExpr.createLongIdent [ "Seq" ; "map" ])
         )
         |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ collectionType ; "ofSeq" ])
 
@@ -101,14 +115,41 @@ module internal JsonParseGenerator =
 
     /// fun kvp -> let key = {key(kvp)} in let value = {value(kvp)} in (key, value))
     /// The inputs will be fed with appropriate SynExprs to apply them to the `kvp.Key` and `kvp.Value` args.
-    let dictionaryMapper (key : SynExpr -> SynExpr) (value : SynExpr -> SynExpr) : SynExpr =
+    let dictionaryMapper
+        (propertyName : SynExpr option)
+        (valueTypeIsNullable : bool)
+        (key : SynExpr -> SynExpr)
+        (valueType : SynType)
+        (value : SynExpr -> SynExpr)
+        : SynExpr
+        =
         let keyArg = SynExpr.createLongIdent [ "kvp" ; "Key" ] |> SynExpr.paren
 
-        let valueArg = SynExpr.createLongIdent [ "kvp" ; "Value" ] |> SynExpr.paren
+        let valueArg = SynExpr.createLongIdent [ "kvp" ; "Value" ]
+
+        let value =
+            if valueTypeIsNullable then
+                (value (SynExpr.createIdent "value"))
+            else
+                let errorMessage =
+                    match propertyName with
+                    | None ->
+                        SynExpr.CreateConst
+                            $"Expected dictionary value of type %s{SynType.toHumanReadableString valueType} to be non-null, but it was null"
+                    | Some propertyName ->
+                        SynExpr.CreateConst
+                            $"Expected dictionary value of type %s{SynType.toHumanReadableString valueType} to be non-null, but it was null, at key %%s"
+                        |> SynExpr.applyFunction (SynExpr.createIdent "sprintf")
+                        |> SynExpr.applyTo propertyName
+
+                JsonSerializeGenerator.assertNotNull
+                    (Ident.create "value")
+                    errorMessage
+                    (value (SynExpr.createIdent "value"))
 
         // No need to paren here, we're on the LHS of a `let`
-        SynExpr.tupleNoParen [ SynExpr.createIdent "key" ; SynExpr.createIdent "value" ]
-        |> SynExpr.createLet [ SynBinding.basic [ Ident.create "value" ] [] (value valueArg) ]
+        SynExpr.tupleNoParen [ SynExpr.createIdent "key" ; value ]
+        |> SynExpr.createLet [ SynBinding.basic [ Ident.create "value" ] [] valueArg ]
         |> SynExpr.createLet [ SynBinding.basic [ Ident.create "key" ] [] (key keyArg) ]
         |> SynExpr.createLambda "kvp"
 
@@ -165,10 +206,61 @@ module internal JsonParseGenerator =
                 ))
                 handler
 
+    let rec parseNullableNode
+        // TODO: unused?!
+        (propertyName : SynExpr option)
+        (options : JsonParseOption)
+        (fieldType : SynType)
+        (node : SynExpr)
+        : SynExpr
+        =
+        match fieldType with
+        | OptionType ty ->
+            match ty with
+            | OptionType _
+            | NullableType _ ->
+                failwith
+                    $"Nested nullable types are not supported, because we can't distinguish between None and Some None. %s{SynType.toHumanReadableString ty}"
+            | _ ->
+
+            let someClause =
+                parseNonNullableNode None options ty (SynExpr.createIdent "v")
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "Some")
+                |> SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "v" ])
+
+            [
+                SynMatchClause.create (SynPat.named "None") (SynExpr.createIdent "None")
+                someClause
+            ]
+            |> SynExpr.createMatch node
+        | NullableType ty ->
+            match ty with
+            | OptionType _
+            | NullableType _ ->
+                failwith
+                    $"Nested nullable types are not supported, because we can't distinguish between None and Some None. %s{SynType.toHumanReadableString ty}"
+            | _ ->
+
+            let someClause =
+                parseNonNullableNode None options ty (SynExpr.createIdent "v")
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ])
+                |> SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "v" ])
+
+            [
+                SynMatchClause.create
+                    (SynPat.named "None")
+                    (SynExpr.applyFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ]) (SynExpr.CreateConst ()))
+                someClause
+            ]
+            |> SynExpr.createMatch node
+        | _ ->
+            failwith
+                $"Encountered type %s{SynType.toHumanReadableString fieldType} which is expected to be nullable, but couldn't identify it"
+
     /// Given `node.["town"]`, for example, choose how to obtain a JSON value from it.
     /// The property name is used in error messages at runtime to show where a JSON
     /// parse error occurred; supply `None` to indicate "don't validate".
-    let rec parseNode
+    and parseNonNullableNode
         (propertyName : SynExpr option)
         (options : JsonParseOption)
         (fieldType : SynType)
@@ -177,101 +269,184 @@ module internal JsonParseGenerator =
         =
         // TODO: parsing format for DateTime etc
         match fieldType with
+        | OptionType _
+        | NullableType _ ->
+            failwith
+                $"Unexpectedly parsing nullable type %s{SynType.toHumanReadableString fieldType} as if it were non-nullable."
+        // Struct types
         | DateOnly ->
             node
             |> asValueGetValue propertyName "string"
             |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "DateOnly" ; "Parse" ])
-        | Uri ->
-            node
-            |> asValueGetValue propertyName "string"
-            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Uri" ])
-        | Guid ->
-            node
-            |> asValueGetValue propertyName "string"
-            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Guid" ; "Parse" ])
         | DateTime ->
             node
             |> asValueGetValue propertyName "string"
             |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "DateTime" ; "Parse" ])
+        | NumberType typeName -> parseNumberType options propertyName node typeName
+        | Guid ->
+            node
+            |> asValueGetValue propertyName "string"
+            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Guid" ; "Parse" ])
+        // Reference types
+        | Uri ->
+            node
+            |> asValueGetValue propertyName "string"
+            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Uri" ])
         | DateTimeOffset ->
             node
             |> asValueGetValue propertyName "string"
             |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "DateTimeOffset" ; "Parse" ])
-        | NumberType typeName -> parseNumberType options propertyName node typeName
         | PrimitiveType typeName -> asValueGetValueIdent propertyName typeName node
-        | OptionType ty ->
-            let someClause =
-                parseNode None options ty (SynExpr.createIdent "v")
-                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "Some")
-                |> SynMatchClause.create (SynPat.named "v")
-
-            [
-                SynMatchClause.create SynPat.createNull (SynExpr.createIdent "None")
-                someClause
-            ]
-            |> SynExpr.createMatch node
-        | NullableType ty ->
-            let someClause =
-                parseNode None options ty (SynExpr.createIdent "v")
-                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ])
-                |> SynMatchClause.create (SynPat.named "v")
-
-            [
-                SynMatchClause.create
-                    SynPat.createNull
-                    (SynExpr.applyFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ]) (SynExpr.CreateConst ()))
-                someClause
-            ]
-            |> SynExpr.createMatch node
         | ListType ty ->
-            parseNode None options ty (SynExpr.createIdent "elt")
-            |> asArrayMapped propertyName "List" node
+            match JsonNodeWithNullability.Identify ty with
+            | CannotBeNull ->
+                parseNonNullableNode None options ty (SynExpr.createIdent "elt")
+                |> asArrayMapped propertyName ty "List" node
+            | Nullable ->
+                parseNullableNode None options ty (SynExpr.createIdent "elt")
+                |> asArrayMapped propertyName ty "List" node
         | ArrayType ty ->
-            parseNode None options ty (SynExpr.createIdent "elt")
-            |> asArrayMapped propertyName "Array" node
+            match JsonNodeWithNullability.Identify ty with
+            | CannotBeNull ->
+                parseNonNullableNode None options ty (SynExpr.createIdent "elt")
+                |> asArrayMapped propertyName ty "Array" node
+            | Nullable ->
+                parseNullableNode None options ty (SynExpr.createIdent "elt")
+                |> asArrayMapped propertyName ty "Array" node
         | IDictionaryType (keyType, valueType) ->
-            node
-            |> asObject propertyName
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.applyFunction
-                    (SynExpr.createLongIdent [ "Seq" ; "map" ])
-                    (dictionaryMapper (parseKeyString keyType) (parseNode None options valueType))
-            )
-            |> SynExpr.pipeThroughFunction (SynExpr.createIdent "dict")
+            match JsonNodeWithNullability.Identify valueType with
+            | CannotBeNull ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            false
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNonNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "dict")
+            | Nullable ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            true
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "dict")
         | DictionaryType (keyType, valueType) ->
-            node
-            |> asObject propertyName
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.applyFunction
-                    (SynExpr.createLongIdent [ "Seq" ; "map" ])
-                    (dictionaryMapper (parseKeyString keyType) (parseNode None options valueType))
-            )
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.applyFunction
-                    (SynExpr.createLongIdent [ "Seq" ; "map" ])
-                    (SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "KeyValuePair" ])
-            )
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "Dictionary" ]
-            )
+            match JsonNodeWithNullability.Identify valueType with
+            | CannotBeNull ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            false
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNonNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "KeyValuePair" ])
+                )
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "Dictionary" ]
+                )
+            | Nullable ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            true
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "KeyValuePair" ])
+                )
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.createLongIdent [ "System" ; "Collections" ; "Generic" ; "Dictionary" ]
+                )
         | IReadOnlyDictionaryType (keyType, valueType) ->
-            node
-            |> asObject propertyName
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.applyFunction
-                    (SynExpr.createLongIdent [ "Seq" ; "map" ])
-                    (dictionaryMapper (parseKeyString keyType) (parseNode None options valueType))
-            )
-            |> SynExpr.pipeThroughFunction (SynExpr.createIdent "readOnlyDict")
+            match JsonNodeWithNullability.Identify valueType with
+            | CannotBeNull ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            false
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNonNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "readOnlyDict")
+            | Nullable ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            true
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "readOnlyDict")
         | MapType (keyType, valueType) ->
-            node
-            |> asObject propertyName
-            |> SynExpr.pipeThroughFunction (
-                SynExpr.applyFunction
-                    (SynExpr.createLongIdent [ "Seq" ; "map" ])
-                    (dictionaryMapper (parseKeyString keyType) (parseNode None options valueType))
-            )
-            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Map" ; "ofSeq" ])
+            match JsonNodeWithNullability.Identify valueType with
+            | CannotBeNull ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            false
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNonNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Map" ; "ofSeq" ])
+            | Nullable ->
+                node
+                |> asObject propertyName
+                |> SynExpr.pipeThroughFunction (
+                    SynExpr.applyFunction
+                        (SynExpr.createLongIdent [ "Seq" ; "map" ])
+                        (dictionaryMapper
+                            propertyName
+                            true
+                            (parseKeyString keyType)
+                            valueType
+                            (parseNullableNode None options valueType))
+                )
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Map" ; "ofSeq" ])
         | BigInt ->
             node
             |> SynExpr.callMethod "ToJsonString"
@@ -282,7 +457,7 @@ module internal JsonParseGenerator =
             |> SynExpr.pipeThroughFunction (Measure.getLanguagePrimitivesMeasure primType)
         | JsonNode -> node
         | UnitType -> SynExpr.CreateConst ()
-        | _ ->
+        | fieldType ->
             // Let's just hope that we've also got our own type annotation!
             let typeName =
                 match fieldType with
@@ -291,14 +466,45 @@ module internal JsonParseGenerator =
 
             match propertyName with
             | None -> node
-            | Some propertyName -> assertNotNull propertyName node
+            | Some propertyName -> assertPropertyExists propertyName node
             |> typeJsonParse typeName
 
     /// propertyName is probably a string literal, but it could be a [<Literal>] variable
     /// The result of this function is the body of a let-binding (not including the LHS of that let-binding).
     let createParseRhs (options : JsonParseOption) (propertyName : SynExpr) (fieldType : SynType) : SynExpr =
-        let objectToParse = SynExpr.createIdent "node" |> SynExpr.index propertyName
-        parseNode (Some propertyName) options fieldType objectToParse
+        match JsonNodeWithNullability.Identify fieldType with
+        | Nullable ->
+            let objectToParse =
+                SynExpr.createIdent "node"
+                |> SynExpr.index propertyName
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+
+            parseNullableNode (Some propertyName) options fieldType objectToParse
+        | CannotBeNull ->
+            [
+                SynMatchClause.create
+                    (SynPat.named "None")
+                    (SynExpr.applyFunction
+                        (SynExpr.createIdent "raise")
+                        (SynExpr.paren (
+                            SynExpr.applyFunction
+                                (SynExpr.createLongIdent
+                                    [ "System" ; "Collections" ; "Generic" ; "KeyNotFoundException" ])
+                                (SynExpr.applyFunction
+                                    (SynExpr.createIdent "sprintf")
+                                    (SynExpr.CreateConst "Required key '%s' not found on JSON object")
+                                 |> SynExpr.applyTo (SynExpr.paren propertyName)
+                                 |> SynExpr.paren)
+                        )))
+                SynMatchClause.create
+                    (SynPat.nameWithArgs "Some" [ SynPat.named "node" ])
+                    (parseNonNullableNode None options fieldType (SynExpr.createIdent "node"))
+            ]
+            |> SynExpr.createMatch (
+                SynExpr.createIdent "node"
+                |> SynExpr.index propertyName
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+            )
 
     let isJsonNumberHandling (literal : LongIdent) : bool =
         match List.rev literal |> List.map (fun ident -> ident.idText) with
@@ -351,10 +557,7 @@ module internal JsonParseGenerator =
     let getParseOptions (fieldAttrs : SynAttribute list) =
         (JsonParseOption.None, fieldAttrs)
         ||> List.fold (fun options attr ->
-            if
-                (SynLongIdent.toString attr.TypeName)
-                    .EndsWith ("JsonNumberHandling", StringComparison.Ordinal)
-            then
+            if (SynLongIdent.toString attr.TypeName).EndsWith ("JsonNumberHandling", StringComparison.Ordinal) then
                 let qualifiedEnumValue =
                     match SynExpr.stripOptionalParen attr.ArgExpr with
                     | SynExpr.LongIdent (_, SynLongIdent (ident, _, _), _, _) when isJsonNumberHandling ident ->
@@ -384,15 +587,13 @@ module internal JsonParseGenerator =
                 let propertyNameAttr =
                     fieldData.Attrs
                     |> List.tryFind (fun attr ->
-                        (SynLongIdent.toString attr.TypeName)
-                            .EndsWith ("JsonPropertyName", StringComparison.Ordinal)
+                        (SynLongIdent.toString attr.TypeName).EndsWith ("JsonPropertyName", StringComparison.Ordinal)
                     )
 
                 let extensionDataAttr =
                     fieldData.Attrs
                     |> List.tryFind (fun attr ->
-                        (SynLongIdent.toString attr.TypeName)
-                            .EndsWith ("JsonExtensionData", StringComparison.Ordinal)
+                        (SynLongIdent.toString attr.TypeName).EndsWith ("JsonExtensionData", StringComparison.Ordinal)
                     )
 
                 let propertyName =
@@ -485,7 +686,7 @@ module internal JsonParseGenerator =
         let finalConstruction =
             fields
             |> List.mapi (fun i fieldData -> SynLongIdent.createI fieldData.Ident, SynExpr.createIdent $"arg_%i{i}")
-            |> AstHelper.instantiateRecord
+            |> SynExpr.createRecord None
 
         (finalConstruction, assignments)
         ||> List.fold (fun final assignment -> SynExpr.createLet [ assignment ] final)
@@ -510,7 +711,8 @@ module internal JsonParseGenerator =
                     |> SynExpr.createLet
                         [
                             SynExpr.index (SynExpr.CreateConst "data") (SynExpr.createIdent "node")
-                            |> assertNotNull (SynExpr.CreateConst "data")
+                            |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+                            |> assertPropertyExists (SynExpr.CreateConst "data")
                             |> SynBinding.basic [ Ident.create "node" ] []
                         ]
 
@@ -558,7 +760,8 @@ module internal JsonParseGenerator =
 
                 SynExpr.createIdent "node"
                 |> SynExpr.index property
-                |> assertNotNull property
+                |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "ofObj" ])
+                |> assertPropertyExists property
                 |> SynExpr.pipeThroughFunction (
                     SynExpr.createLambda "v" (SynExpr.callGenericMethod' "GetValue" "string" (SynExpr.createIdent "v"))
                 )
@@ -711,13 +914,13 @@ type JsonParseGenerator () =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
             let relevantTypes =
-                Ast.extractTypeDefn ast
+                Ast.getTypes ast
                 |> List.map (fun (name, defns) ->
                     defns
                     |> List.choose (fun defn ->
-                        if Ast.isRecord defn then Some defn
-                        elif Ast.isDu defn then Some defn
-                        elif AstHelper.isEnum defn then Some defn
+                        if SynTypeDefn.isRecord defn then Some defn
+                        elif SynTypeDefn.isDu defn then Some defn
+                        elif SynTypeDefn.isEnum defn then Some defn
                         else None
                     )
                     |> fun defns -> name, defns

WoofWare.Myriad.Plugins/JsonSerializeGenerator.fs

@@ -10,24 +10,100 @@ type internal JsonSerializeOutputSpec =
         ExtensionMethods : bool
     }
 
+/// https://github.com/Smaug123/WoofWare.Myriad/issues/364
+/// The insane design of System.Text.Json is finally causing us to
+/// do vast amounts of coding rather than merely being very annoying.
+type internal JsonNodeWithNullability =
+    | CannotBeNull
+    | Nullable
+
+    static member Identify (ty : SynType) : JsonNodeWithNullability =
+        match ty with
+        | OptionType _
+        | NullableType _ -> JsonNodeWithNullability.Nullable
+        | _ -> JsonNodeWithNullability.CannotBeNull
+
 [<RequireQualifiedAccess>]
 module internal JsonSerializeGenerator =
     open Fantomas.FCS.Text.Range
 
 
     // The absolutely galaxy-brained implementation of JsonValue has `JsonValue.Parse "null"`
-    // identically equal to null. We have to work around this later, but we might as well just
-    // be efficient here and whip up the null directly.
-    let private jsonNull () =
-        SynExpr.createNull ()
-        |> SynExpr.upcast' (SynType.createLongIdent' [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonNode" ])
+    // identically equal to null, so it's hard to use that type. We use `None` instead to represent
+    // the JSON null value.
+    let private jsonNull () = SynExpr.createIdent "None"
+
+    let assertNotNull (boundIdent : Ident) (message : SynExpr) (body : SynExpr) : SynExpr =
+        let raiseExpr =
+            message
+            |> SynExpr.applyFunction (SynExpr.createLongIdent [ "System" ; "ArgumentNullException" ])
+            |> SynExpr.paren
+            |> SynExpr.applyFunction (SynExpr.createIdent "raise")
+
+        [
+            SynMatchClause.create SynPat.createNull raiseExpr
+            SynMatchClause.create (SynPat.namedI boundIdent) body
+        ]
+        |> SynExpr.createMatch (SynExpr.createIdent' boundIdent)
+        |> SynExpr.paren
+
+    /// The output of this will be an *optional* JsonNode.
+    let rec serializeNodeNullable (fieldType : SynType) : SynExpr * bool =
+        match fieldType with
+        | NullableType ty ->
+            // fun field -> if field.HasValue then {serializeNode ty} field.Value else JsonValue.Create null
+            match JsonNodeWithNullability.Identify ty with
+            | JsonNodeWithNullability.Nullable ->
+                failwith
+                    $"We don't support nested nullable types, because we can't tell the difference between None and Some None: %s{SynType.toHumanReadableString ty}"
+            | JsonNodeWithNullability.CannotBeNull ->
+
+            let inner, innerIsJsonNode = serializeNodeNonNullable ty
+
+            SynExpr.applyFunction inner (SynExpr.createLongIdent [ "field" ; "Value" ])
+            |> SynExpr.upcast' (SynType.createLongIdent' [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonNode" ])
+            |> SynExpr.pipeThroughFunction (SynExpr.createIdent "Some")
+            |> SynExpr.ifThenElse (SynExpr.createLongIdent [ "field" ; "HasValue" ]) (jsonNull ())
+            |> SynExpr.createLambda "field"
+            |> fun e -> e, innerIsJsonNode
+        | OptionType ty ->
+            // fun field -> match field with | None -> None | Some v -> {serializeNode ty} field |> Some
+            match JsonNodeWithNullability.Identify ty with
+            | JsonNodeWithNullability.Nullable ->
+                failwith
+                    $"We don't support nested nullable types, because we can't tell the difference between None and Some None: %s{SynType.toHumanReadableString ty}"
+            | JsonNodeWithNullability.CannotBeNull ->
+
+            let noneClause = jsonNull () |> SynMatchClause.create (SynPat.named "None")
+
+            let someClause =
+                let inner, innerIsJsonNode = serializeNodeNonNullable ty
+                let target = SynExpr.pipeThroughFunction inner (SynExpr.createIdent "field")
+
+                if innerIsJsonNode then
+                    target
+                else
+                    target
+                    |> SynExpr.paren
+                    |> SynExpr.upcast' (SynType.createLongIdent' [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonNode" ])
+                |> SynExpr.pipeThroughFunction (SynExpr.createIdent "Some")
+                |> SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "field" ])
+
+            [ noneClause ; someClause ]
+            |> SynExpr.createMatch (SynExpr.createIdent "field")
+            |> SynExpr.createLambda "field"
+            |> fun e -> e, true
+        | _ -> failwith $"Did not recognise type %s{SynType.toHumanReadableString fieldType} as nullable"
 
     /// Given `input.Ident`, for example, choose how to add it to the ambient `node`.
     /// The result is a line like `(fun ident -> InnerType.toJsonNode ident)` or `(fun ident -> JsonValue.Create ident)`.
     /// Returns also a bool which is true if the resulting SynExpr represents something of type JsonNode.
-    let rec serializeNode (fieldType : SynType) : SynExpr * bool =
+    and serializeNodeNonNullable (fieldType : SynType) : SynExpr * bool =
         // TODO: serialization format for DateTime etc
         match fieldType with
+        | OptionType _
+        | NullableType _ ->
+            failwith $"Tried to treat the type %s{SynType.toHumanReadableString fieldType} as non-nullable"
         | DateOnly
         | DateTime
         | NumberType _
@@ -36,8 +112,21 @@ module internal JsonSerializeGenerator =
         | Guid
         | Uri ->
             // JsonValue.Create<type>
-            SynExpr.createLongIdent [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonValue" ; "Create" ]
-            |> SynExpr.typeApp [ fieldType ]
+            (SynExpr.createIdent "field")
+            |> assertNotNull
+                (Ident.create "field")
+                (SynExpr.CreateConst
+                    $"Expected type %s{SynType.toHumanReadableString fieldType} to be non-null, but received a null value when serialising")
+            |> SynExpr.createLet
+                [
+                    SynBinding.basic
+                        [ Ident.create "field" ]
+                        []
+                        (SynExpr.createLongIdent [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonValue" ; "Create" ]
+                         |> SynExpr.typeApp [ fieldType ]
+                         |> SynExpr.applyTo (SynExpr.createIdent "field"))
+                ]
+            |> SynExpr.createLambda "field"
             |> fun e -> e, false
         | DateTimeOffset ->
             // fun field -> field.ToString("o") |> JsonValue.Create<string>
@@ -50,41 +139,17 @@ module internal JsonSerializeGenerator =
             |> SynExpr.pipeThroughFunction create
             |> SynExpr.createLambda "field"
             |> fun e -> e, false
-        | NullableType ty ->
-            // fun field -> if field.HasValue then {serializeNode ty} field.Value else JsonValue.Create null
-            let inner, innerIsJsonNode = serializeNode ty
-
-            SynExpr.applyFunction inner (SynExpr.createLongIdent [ "field" ; "Value" ])
-            |> SynExpr.upcast' (SynType.createLongIdent' [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonNode" ])
-            |> SynExpr.ifThenElse (SynExpr.createLongIdent [ "field" ; "HasValue" ]) (jsonNull ())
-            |> SynExpr.createLambda "field"
-            |> fun e -> e, innerIsJsonNode
-        | OptionType ty ->
-            // fun field -> match field with | None -> JsonValue.Create null | Some v -> {serializeNode ty} field
-            let noneClause = jsonNull () |> SynMatchClause.create (SynPat.named "None")
-
-            let someClause =
-                let inner, innerIsJsonNode = serializeNode ty
-                let target = SynExpr.applyFunction inner (SynExpr.createIdent "field")
-
-                if innerIsJsonNode then
-                    target
-                else
-                    target
-                    |> SynExpr.paren
-                    |> SynExpr.upcast' (SynType.createLongIdent' [ "System" ; "Text" ; "Json" ; "Nodes" ; "JsonNode" ])
-                |> SynMatchClause.create (SynPat.nameWithArgs "Some" [ SynPat.named "field" ])
-
-            [ noneClause ; someClause ]
-            |> SynExpr.createMatch (SynExpr.createIdent "field")
-            |> SynExpr.createLambda "field"
-            |> fun e -> e, true
         | ArrayType ty
         | ListType ty ->
             // fun field ->
             //     let arr = JsonArray ()
             //     for mem in field do arr.Add ({serializeNode} mem)
             //     arr
+            let isNullableChild =
+                match JsonNodeWithNullability.Identify ty with
+                | CannotBeNull -> false
+                | Nullable -> true
+
             [
                 SynExpr.ForEach (
                     DebugPointAtFor.Yes range0,
@@ -95,7 +160,17 @@ module internal JsonSerializeGenerator =
                     SynExpr.createIdent "field",
                     SynExpr.applyFunction
                         (SynExpr.createLongIdent [ "arr" ; "Add" ])
-                        (SynExpr.paren (SynExpr.applyFunction (fst (serializeNode ty)) (SynExpr.createIdent "mem"))),
+                        (SynExpr.paren (
+                            SynExpr.applyFunction
+                                (fst (
+                                    (if isNullableChild then
+                                         serializeNodeNullable
+                                     else
+                                         serializeNodeNonNullable)
+                                        ty
+                                ))
+                                (SynExpr.createIdent "mem")
+                        )),
                     range0
                 )
                 SynExpr.createIdent "arr"
@@ -109,15 +184,28 @@ module internal JsonSerializeGenerator =
                 ]
             |> SynExpr.createLambda "field"
             |> fun e -> e, false
-        | IDictionaryType (_keyType, valueType)
-        | DictionaryType (_keyType, valueType)
-        | IReadOnlyDictionaryType (_keyType, valueType)
-        | MapType (_keyType, valueType) ->
+        | IDictionaryType (keyType, valueType)
+        | DictionaryType (keyType, valueType)
+        | IReadOnlyDictionaryType (keyType, valueType)
+        | MapType (keyType, valueType) ->
             // fun field ->
             //    let ret = JsonObject ()
             //    for (KeyValue(key, value)) in field do
             //        ret.Add (key.ToString (), {serializeNode} value)
             //    ret
+            let isNullableValueField =
+                match JsonNodeWithNullability.Identify valueType with
+                | CannotBeNull -> false
+                | Nullable -> true
+
+            // TODO: this is a bit dubious, because user-defined types will
+            // by default have non-null ToString
+            let keyTypeHasNonNullToString =
+                match keyType with
+                | String
+                | Uri -> true
+                | _ -> false
+
             [
                 SynExpr.ForEach (
                     DebugPointAtFor.Yes range0,
@@ -130,10 +218,33 @@ module internal JsonSerializeGenerator =
                         (SynExpr.createLongIdent [ "ret" ; "Add" ])
                         (SynExpr.tuple
                             [
-                                SynExpr.createLongIdent [ "key" ; "ToString" ]
-                                |> SynExpr.applyTo (SynExpr.CreateConst ())
-                                SynExpr.applyFunction (fst (serializeNode valueType)) (SynExpr.createIdent "value")
-                            ]),
+                                SynExpr.createIdent "key"
+                                |> if keyTypeHasNonNullToString then
+                                       id
+                                   else
+                                       assertNotNull
+                                           (Ident.create "key")
+                                           (SynExpr.CreateConst
+                                               "A map key unexpectedly yielded null when we `ToString`'ed it. Map keys must yield non-null strings on `ToString`.")
+
+                                SynExpr.applyFunction
+                                    (fst (
+                                        (if isNullableValueField then
+                                             serializeNodeNullable
+                                         else
+                                             serializeNodeNonNullable)
+                                            valueType
+                                    ))
+                                    (SynExpr.createIdent "value")
+                            ])
+                    |> SynExpr.createLet
+                        [
+                            SynBinding.basic
+                                [ Ident.create "key" ]
+                                []
+                                (SynExpr.createLongIdent [ "key" ; "ToString" ]
+                                 |> SynExpr.applyTo (SynExpr.CreateConst ()))
+                        ],
                     range0
                 )
                 SynExpr.createIdent "ret"
@@ -166,13 +277,24 @@ module internal JsonSerializeGenerator =
     /// propertyName is probably a string literal, but it could be a [<Literal>] variable
     /// `node.Add ({propertyName}, {toJsonNode})`
     let createSerializeRhsRecord (propertyName : SynExpr) (fieldId : Ident) (fieldType : SynType) : SynExpr =
-        [
-            propertyName
-            SynExpr.pipeThroughFunction
-                (fst (serializeNode fieldType))
-                (SynExpr.createLongIdent' [ Ident.create "input" ; fieldId ])
-            |> SynExpr.paren
-        ]
+        let isNullableField =
+            match JsonNodeWithNullability.Identify fieldType with
+            | CannotBeNull -> false
+            | Nullable -> true
+
+        let serialised =
+            if isNullableField then
+                let value =
+                    serializeNodeNullable fieldType
+                    |> fst
+                    |> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "Option" ; "toObj" ])
+
+                SynExpr.pipeThroughFunction value (SynExpr.createLongIdent' [ Ident.create "input" ; fieldId ])
+            else
+                let value = serializeNodeNonNullable fieldType |> fst
+                SynExpr.pipeThroughFunction value (SynExpr.createLongIdent' [ Ident.create "input" ; fieldId ])
+
+        [ propertyName ; SynExpr.paren serialised ]
         |> SynExpr.tuple
         |> SynExpr.applyFunction (SynExpr.createLongIdent [ "node" ; "Add" ])
 
@@ -180,8 +302,7 @@ module internal JsonSerializeGenerator =
         let propertyNameAttr =
             attrs
             |> List.tryFind (fun attr ->
-                (SynLongIdent.toString attr.TypeName)
-                    .EndsWith ("JsonPropertyName", StringComparison.Ordinal)
+                (SynLongIdent.toString attr.TypeName).EndsWith ("JsonPropertyName", StringComparison.Ordinal)
             )
 
         match propertyNameAttr with
@@ -198,8 +319,7 @@ module internal JsonSerializeGenerator =
     let getIsJsonExtension (attrs : SynAttribute list) : bool =
         attrs
         |> List.tryFind (fun attr ->
-            (SynLongIdent.toString attr.TypeName)
-                .EndsWith ("JsonExtensionData", StringComparison.Ordinal)
+            (SynLongIdent.toString attr.TypeName).EndsWith ("JsonExtensionData", StringComparison.Ordinal)
         )
         |> Option.isSome
 
@@ -280,7 +400,10 @@ module internal JsonSerializeGenerator =
                     | DictionaryType (String, v) -> v
                     | _ -> failwith "Expected JsonExtensionData to be a Dictionary<string, something>"
 
-                let serialise = fst (serializeNode valType)
+                let serialise =
+                    match JsonNodeWithNullability.Identify valType with
+                    | CannotBeNull -> fst (serializeNodeNonNullable valType)
+                    | Nullable -> fst (serializeNodeNullable valType)
 
                 SynExpr.createIdent "node"
                 |> SynExpr.callMethodArg
@@ -345,7 +468,15 @@ module internal JsonSerializeGenerator =
                     let propertyName = getPropertyName (Option.get fieldData.Ident) fieldData.Attrs
 
                     let node =
-                        SynExpr.applyFunction (fst (serializeNode fieldData.Type)) (SynExpr.createIdent caseName)
+                        match JsonNodeWithNullability.Identify fieldData.Type with
+                        | CannotBeNull ->
+                            SynExpr.applyFunction
+                                (fst (serializeNodeNonNullable fieldData.Type))
+                                (SynExpr.createIdent caseName)
+                        | Nullable ->
+                            SynExpr.applyFunction
+                                (fst (serializeNodeNullable fieldData.Type))
+                                (SynExpr.createIdent caseName)
 
                     [ propertyName ; node ]
                     |> SynExpr.tuple
@@ -528,13 +659,13 @@ type JsonSerializeGenerator () =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
             let relevantTypes =
-                Ast.extractTypeDefn ast
+                Ast.getTypes ast
                 |> List.map (fun (name, defns) ->
                     defns
                     |> List.choose (fun defn ->
-                        if Ast.isRecord defn then Some defn
-                        elif Ast.isDu defn then Some defn
-                        elif AstHelper.isEnum defn then Some defn
+                        if SynTypeDefn.isRecord defn then Some defn
+                        elif SynTypeDefn.isDu defn then Some defn
+                        elif SynTypeDefn.isEnum defn then Some defn
                         else None
                     )
                     |> fun defns -> name, defns

WoofWare.Myriad.Plugins/MyriadParamParser.fs

@@ -2,28 +2,6 @@ namespace WoofWare.Myriad.Plugins
 
 open System.Collections.Generic
 
-type internal DesiredGenerator =
-    | InterfaceMock of isInternal : bool option
-    | JsonParse of extensionMethod : bool option
-    | JsonSerialize of extensionMethod : bool option
-    | HttpClient of extensionMethod : bool option
-
-    static member Parse (s : string) =
-        match s with
-        | "GenerateMock" -> DesiredGenerator.InterfaceMock None
-        | "GenerateMock(true)" -> DesiredGenerator.InterfaceMock (Some true)
-        | "GenerateMock(false)" -> DesiredGenerator.InterfaceMock (Some false)
-        | "JsonParse" -> DesiredGenerator.JsonParse None
-        | "JsonParse(true)" -> DesiredGenerator.JsonParse (Some true)
-        | "JsonParse(false)" -> DesiredGenerator.JsonParse (Some false)
-        | "JsonSerialize" -> DesiredGenerator.JsonSerialize None
-        | "JsonSerialize(true)" -> DesiredGenerator.JsonSerialize (Some true)
-        | "JsonSerialize(false)" -> DesiredGenerator.JsonSerialize (Some false)
-        | "HttpClient" -> DesiredGenerator.HttpClient None
-        | "HttpClient(true)" -> DesiredGenerator.HttpClient (Some true)
-        | "HttpClient(false)" -> DesiredGenerator.HttpClient (Some false)
-        | _ -> failwith $"Failed to parse as a generator specification: %s{s}"
-
 [<RequireQualifiedAccess>]
 module internal MyriadParamParser =
     (*

WoofWare.Myriad.Plugins/Parameters.fs

@@ -0,0 +1,23 @@
+namespace WoofWare.Myriad.Plugins
+
+type internal DesiredGenerator =
+    | InterfaceMock of isInternal : bool option
+    | JsonParse of extensionMethod : bool option
+    | JsonSerialize of extensionMethod : bool option
+    | HttpClient of extensionMethod : bool option
+
+    static member Parse (s : string) =
+        match s with
+        | "GenerateMock" -> DesiredGenerator.InterfaceMock None
+        | "GenerateMock(true)" -> DesiredGenerator.InterfaceMock (Some true)
+        | "GenerateMock(false)" -> DesiredGenerator.InterfaceMock (Some false)
+        | "JsonParse" -> DesiredGenerator.JsonParse None
+        | "JsonParse(true)" -> DesiredGenerator.JsonParse (Some true)
+        | "JsonParse(false)" -> DesiredGenerator.JsonParse (Some false)
+        | "JsonSerialize" -> DesiredGenerator.JsonSerialize None
+        | "JsonSerialize(true)" -> DesiredGenerator.JsonSerialize (Some true)
+        | "JsonSerialize(false)" -> DesiredGenerator.JsonSerialize (Some false)
+        | "HttpClient" -> DesiredGenerator.HttpClient None
+        | "HttpClient(true)" -> DesiredGenerator.HttpClient (Some true)
+        | "HttpClient(false)" -> DesiredGenerator.HttpClient (Some false)
+        | _ -> failwith $"Failed to parse as a generator specification: %s{s}"

WoofWare.Myriad.Plugins/RemoveOptionsGenerator.fs

@@ -1,5 +1,6 @@
 namespace WoofWare.Myriad.Plugins
 
+open System
 open Fantomas.FCS.Syntax
 open Fantomas.FCS.Xml
 open WoofWare.Whippet.Fantomas
@@ -59,7 +60,7 @@ module internal RemoveOptionsGenerator =
                 Attributes = []
             }
 
-        let typeDecl = AstHelper.defineRecordType record
+        let typeDecl = RecordType.ToAst record
 
         SynModuleDecl.Types ([ typeDecl ], range0)
 
@@ -96,7 +97,7 @@ module internal RemoveOptionsGenerator =
 
                 SynLongIdent.createI fieldData.Ident, body
             )
-            |> AstHelper.instantiateRecord
+            |> SynExpr.createRecord None
 
         SynBinding.basic
             [ functionName ]
@@ -146,44 +147,31 @@ type RemoveOptionsGenerator () =
             let ast, _ =
                 Ast.fromFilename context.InputFilename |> Async.RunSynchronously |> Array.head
 
-            let records = Ast.extractRecords ast
+            let records = Ast.getRecords ast
 
             let namespaceAndRecords =
                 records
-                |> List.choose (fun (ns, types) ->
-                    match
-                        types
-                        |> List.filter (SynTypeDefn.hasAttribute typeof<RemoveOptionsAttribute>.Name)
-                    with
-                    | [] -> None
-                    | types ->
-                        let types =
-                            types
-                            |> List.map (fun ty ->
-                                match ty with
-                                | SynTypeDefn.SynTypeDefn (sci,
-                                                           SynTypeDefnRepr.Simple (SynTypeDefnSimpleRepr.Record (access,
-                                                                                                                 fields,
-                                                                                                                 _),
-                                                                                   _),
-                                                           smd,
-                                                           smdo,
-                                                           _,
-                                                           _) -> RecordType.OfRecord sci smd access fields
-                                | _ -> failwith "unexpectedly not a record"
-                            )
-
-                        Some (ns, types)
+                |> List.collect (fun (ns, ty) ->
+                    ty
+                    |> List.filter (fun record ->
+                        record.Attributes
+                        |> List.exists (fun attr ->
+                            attr.TypeName.LongIdent
+                            |> List.last
+                            |> _.idText
+                            |> fun s ->
+                                if s.EndsWith ("Attribute", StringComparison.Ordinal) then
+                                    s
+                                else
+                                    $"%s{s}Attribute"
+                            |> (=) typeof<RemoveOptionsAttribute>.Name
+                        )
+                    )
+                    |> List.map (fun ty -> ns, ty)
                 )
 
             let modules =
                 namespaceAndRecords
-                |> List.collect (fun (ns, records) ->
-                    records
-                    |> List.map (fun record ->
-                        let recordModule = RemoveOptionsGenerator.createRecordModule ns record
-                        recordModule
-                    )
-                )
+                |> List.map (fun (ns, record) -> RemoveOptionsGenerator.createRecordModule ns record)
 
             Output.Ast modules

WoofWare.Myriad.Plugins/SurfaceBaseline.txt

@@ -1,84 +1,7 @@
-WoofWare.Myriad.Plugins.AdditionalProperties inherit obj, implements WoofWare.Myriad.Plugins.AdditionalProperties System.IEquatable, System.Collections.IStructuralEquatable - union type with 2 cases
-WoofWare.Myriad.Plugins.AdditionalProperties+Constrained inherit WoofWare.Myriad.Plugins.AdditionalProperties
-WoofWare.Myriad.Plugins.AdditionalProperties+Constrained.get_Item [method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.AdditionalProperties+Constrained.Item [property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.AdditionalProperties+Tags inherit obj
-WoofWare.Myriad.Plugins.AdditionalProperties+Tags.Constrained [static field]: int = 1
-WoofWare.Myriad.Plugins.AdditionalProperties+Tags.Never [static field]: int = 0
-WoofWare.Myriad.Plugins.AdditionalProperties.Equals [method]: (WoofWare.Myriad.Plugins.AdditionalProperties, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.AdditionalProperties.get_IsConstrained [method]: unit -> bool
-WoofWare.Myriad.Plugins.AdditionalProperties.get_IsNever [method]: unit -> bool
-WoofWare.Myriad.Plugins.AdditionalProperties.get_Never [static method]: unit -> WoofWare.Myriad.Plugins.AdditionalProperties
-WoofWare.Myriad.Plugins.AdditionalProperties.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.AdditionalProperties.IsConstrained [property]: [read-only] bool
-WoofWare.Myriad.Plugins.AdditionalProperties.IsNever [property]: [read-only] bool
-WoofWare.Myriad.Plugins.AdditionalProperties.Never [static property]: [read-only] WoofWare.Myriad.Plugins.AdditionalProperties
-WoofWare.Myriad.Plugins.AdditionalProperties.NewConstrained [static method]: WoofWare.Myriad.Plugins.Definition -> WoofWare.Myriad.Plugins.AdditionalProperties
-WoofWare.Myriad.Plugins.AdditionalProperties.Tag [property]: [read-only] int
 WoofWare.Myriad.Plugins.ArgParserGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
 WoofWare.Myriad.Plugins.ArgParserGenerator..ctor [constructor]: unit
-WoofWare.Myriad.Plugins.ArrayTypeDefinition inherit obj, implements WoofWare.Myriad.Plugins.ArrayTypeDefinition System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.ArrayTypeDefinition..ctor [constructor]: WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.ArrayTypeDefinition.Equals [method]: (WoofWare.Myriad.Plugins.ArrayTypeDefinition, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.ArrayTypeDefinition.get_Items [method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.ArrayTypeDefinition.Items [property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.ArrayTypeDefinition.Parse [static method]: System.Text.Json.Nodes.JsonNode -> WoofWare.Myriad.Plugins.ArrayTypeDefinition
 WoofWare.Myriad.Plugins.CreateCatamorphismGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
 WoofWare.Myriad.Plugins.CreateCatamorphismGenerator..ctor [constructor]: unit
-WoofWare.Myriad.Plugins.Definition inherit obj, implements WoofWare.Myriad.Plugins.Definition System.IEquatable, System.Collections.IStructuralEquatable - union type with 8 cases
-WoofWare.Myriad.Plugins.Definition+Array inherit WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition+Array.get_Item [method]: unit -> WoofWare.Myriad.Plugins.ArrayTypeDefinition
-WoofWare.Myriad.Plugins.Definition+Array.Item [property]: [read-only] WoofWare.Myriad.Plugins.ArrayTypeDefinition
-WoofWare.Myriad.Plugins.Definition+Handle inherit WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition+Handle.get_Item [method]: unit -> string
-WoofWare.Myriad.Plugins.Definition+Handle.Item [property]: [read-only] string
-WoofWare.Myriad.Plugins.Definition+Integer inherit WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition+Integer.format [property]: [read-only] string option
-WoofWare.Myriad.Plugins.Definition+Integer.get_format [method]: unit -> string option
-WoofWare.Myriad.Plugins.Definition+Object inherit WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition+Object.get_Item [method]: unit -> WoofWare.Myriad.Plugins.ObjectTypeDefinition
-WoofWare.Myriad.Plugins.Definition+Object.Item [property]: [read-only] WoofWare.Myriad.Plugins.ObjectTypeDefinition
-WoofWare.Myriad.Plugins.Definition+Tags inherit obj
-WoofWare.Myriad.Plugins.Definition+Tags.Array [static field]: int = 2
-WoofWare.Myriad.Plugins.Definition+Tags.Boolean [static field]: int = 4
-WoofWare.Myriad.Plugins.Definition+Tags.File [static field]: int = 7
-WoofWare.Myriad.Plugins.Definition+Tags.Handle [static field]: int = 0
-WoofWare.Myriad.Plugins.Definition+Tags.Integer [static field]: int = 6
-WoofWare.Myriad.Plugins.Definition+Tags.Object [static field]: int = 1
-WoofWare.Myriad.Plugins.Definition+Tags.String [static field]: int = 3
-WoofWare.Myriad.Plugins.Definition+Tags.Unspecified [static field]: int = 5
-WoofWare.Myriad.Plugins.Definition.Boolean [static property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.Equals [method]: (WoofWare.Myriad.Plugins.Definition, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.Definition.File [static property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.get_Boolean [static method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.get_File [static method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.get_IsArray [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsBoolean [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsFile [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsHandle [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsInteger [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsObject [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsString [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_IsUnspecified [method]: unit -> bool
-WoofWare.Myriad.Plugins.Definition.get_String [static method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.Definition.get_Unspecified [static method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.IsArray [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsBoolean [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsFile [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsHandle [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsInteger [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsObject [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsString [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.IsUnspecified [property]: [read-only] bool
-WoofWare.Myriad.Plugins.Definition.NewArray [static method]: WoofWare.Myriad.Plugins.ArrayTypeDefinition -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.NewHandle [static method]: string -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.NewInteger [static method]: string option -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.NewObject [static method]: WoofWare.Myriad.Plugins.ObjectTypeDefinition -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.String [static property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Definition.Tag [property]: [read-only] int
-WoofWare.Myriad.Plugins.Definition.Unspecified [static property]: [read-only] WoofWare.Myriad.Plugins.Definition
 WoofWare.Myriad.Plugins.HttpClientGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
 WoofWare.Myriad.Plugins.HttpClientGenerator..ctor [constructor]: unit
 WoofWare.Myriad.Plugins.HttpMethod inherit obj, implements WoofWare.Myriad.Plugins.HttpMethod System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.Myriad.Plugins.HttpMethod System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 8 cases
@@ -134,162 +57,7 @@ WoofWare.Myriad.Plugins.JsonParseGenerator inherit obj, implements Myriad.Core.I
 WoofWare.Myriad.Plugins.JsonParseGenerator..ctor [constructor]: unit
 WoofWare.Myriad.Plugins.JsonSerializeGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
 WoofWare.Myriad.Plugins.JsonSerializeGenerator..ctor [constructor]: unit
-WoofWare.Myriad.Plugins.MimeType inherit obj, implements WoofWare.Myriad.Plugins.MimeType System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.Myriad.Plugins.MimeType System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 1 cases
-WoofWare.Myriad.Plugins.MimeType.Equals [method]: (WoofWare.Myriad.Plugins.MimeType, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.MimeType.get_Item [method]: unit -> string
-WoofWare.Myriad.Plugins.MimeType.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.MimeType.Item [property]: [read-only] string
-WoofWare.Myriad.Plugins.MimeType.NewMimeType [static method]: string -> WoofWare.Myriad.Plugins.MimeType
-WoofWare.Myriad.Plugins.MimeType.Tag [property]: [read-only] int
-WoofWare.Myriad.Plugins.ObjectTypeDefinition inherit obj, implements WoofWare.Myriad.Plugins.ObjectTypeDefinition System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.ObjectTypeDefinition..ctor [constructor]: (string option, Map<string, WoofWare.Myriad.Plugins.Definition> option, Map<string, System.Text.Json.Nodes.JsonNode>, string list option, WoofWare.Myriad.Plugins.AdditionalProperties option, System.Text.Json.Nodes.JsonObject option)
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.AdditionalProperties [property]: [read-only] WoofWare.Myriad.Plugins.AdditionalProperties option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Description [property]: [read-only] string option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Equals [method]: (WoofWare.Myriad.Plugins.ObjectTypeDefinition, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Example [property]: [read-only] System.Text.Json.Nodes.JsonObject option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Extras [property]: [read-only] Map<string, System.Text.Json.Nodes.JsonNode>
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_AdditionalProperties [method]: unit -> WoofWare.Myriad.Plugins.AdditionalProperties option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_Description [method]: unit -> string option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_Example [method]: unit -> System.Text.Json.Nodes.JsonObject option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_Extras [method]: unit -> Map<string, System.Text.Json.Nodes.JsonNode>
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_Properties [method]: unit -> Map<string, WoofWare.Myriad.Plugins.Definition> option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.get_Required [method]: unit -> string list option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.ObjectTypeDefinition
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Properties [property]: [read-only] Map<string, WoofWare.Myriad.Plugins.Definition> option
-WoofWare.Myriad.Plugins.ObjectTypeDefinition.Required [property]: [read-only] string list option
-WoofWare.Myriad.Plugins.OperationId inherit obj, implements WoofWare.Myriad.Plugins.OperationId System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.Myriad.Plugins.OperationId System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 1 cases
-WoofWare.Myriad.Plugins.OperationId.Equals [method]: (WoofWare.Myriad.Plugins.OperationId, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.OperationId.get_Item [method]: unit -> string
-WoofWare.Myriad.Plugins.OperationId.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.OperationId.Item [property]: [read-only] string
-WoofWare.Myriad.Plugins.OperationId.NewOperationId [static method]: string -> WoofWare.Myriad.Plugins.OperationId
-WoofWare.Myriad.Plugins.OperationId.Tag [property]: [read-only] int
-WoofWare.Myriad.Plugins.ParameterIn inherit obj, implements WoofWare.Myriad.Plugins.ParameterIn System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.Myriad.Plugins.ParameterIn System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 4 cases
-WoofWare.Myriad.Plugins.ParameterIn+Path inherit WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn+Path.get_name [method]: unit -> string
-WoofWare.Myriad.Plugins.ParameterIn+Path.name [property]: [read-only] string
-WoofWare.Myriad.Plugins.ParameterIn+Query inherit WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn+Query.get_name [method]: unit -> string
-WoofWare.Myriad.Plugins.ParameterIn+Query.name [property]: [read-only] string
-WoofWare.Myriad.Plugins.ParameterIn+Tags inherit obj
-WoofWare.Myriad.Plugins.ParameterIn+Tags.Body [static field]: int = 2
-WoofWare.Myriad.Plugins.ParameterIn+Tags.Path [static field]: int = 0
-WoofWare.Myriad.Plugins.ParameterIn+Tags.Query [static field]: int = 1
-WoofWare.Myriad.Plugins.ParameterIn+Tags.Unrecognised [static field]: int = 3
-WoofWare.Myriad.Plugins.ParameterIn+Unrecognised inherit WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn+Unrecognised.get_name [method]: unit -> string
-WoofWare.Myriad.Plugins.ParameterIn+Unrecognised.get_op [method]: unit -> string
-WoofWare.Myriad.Plugins.ParameterIn+Unrecognised.name [property]: [read-only] string
-WoofWare.Myriad.Plugins.ParameterIn+Unrecognised.op [property]: [read-only] string
-WoofWare.Myriad.Plugins.ParameterIn.Body [static property]: [read-only] WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn.Equals [method]: (WoofWare.Myriad.Plugins.ParameterIn, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.ParameterIn.get_Body [static method]: unit -> WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn.get_IsBody [method]: unit -> bool
-WoofWare.Myriad.Plugins.ParameterIn.get_IsPath [method]: unit -> bool
-WoofWare.Myriad.Plugins.ParameterIn.get_IsQuery [method]: unit -> bool
-WoofWare.Myriad.Plugins.ParameterIn.get_IsUnrecognised [method]: unit -> bool
-WoofWare.Myriad.Plugins.ParameterIn.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.ParameterIn.IsBody [property]: [read-only] bool
-WoofWare.Myriad.Plugins.ParameterIn.IsPath [property]: [read-only] bool
-WoofWare.Myriad.Plugins.ParameterIn.IsQuery [property]: [read-only] bool
-WoofWare.Myriad.Plugins.ParameterIn.IsUnrecognised [property]: [read-only] bool
-WoofWare.Myriad.Plugins.ParameterIn.NewPath [static method]: string -> WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn.NewQuery [static method]: string -> WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn.NewUnrecognised [static method]: (string, string) -> WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.ParameterIn.Tag [property]: [read-only] int
 WoofWare.Myriad.Plugins.RemoveOptionsGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
 WoofWare.Myriad.Plugins.RemoveOptionsGenerator..ctor [constructor]: unit
-WoofWare.Myriad.Plugins.Response inherit obj, implements WoofWare.Myriad.Plugins.Response System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.Response..ctor [constructor]: (string, WoofWare.Myriad.Plugins.Definition)
-WoofWare.Myriad.Plugins.Response.Description [property]: [read-only] string
-WoofWare.Myriad.Plugins.Response.Equals [method]: (WoofWare.Myriad.Plugins.Response, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.Response.get_Description [method]: unit -> string
-WoofWare.Myriad.Plugins.Response.get_Schema [method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Response.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.Response
-WoofWare.Myriad.Plugins.Response.Schema [property]: [read-only] WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.Scheme inherit obj, implements WoofWare.Myriad.Plugins.Scheme System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.Myriad.Plugins.Scheme System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 1 cases
-WoofWare.Myriad.Plugins.Scheme.Equals [method]: (WoofWare.Myriad.Plugins.Scheme, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.Scheme.get_Item [method]: unit -> string
-WoofWare.Myriad.Plugins.Scheme.get_Tag [method]: unit -> int
-WoofWare.Myriad.Plugins.Scheme.Item [property]: [read-only] string
-WoofWare.Myriad.Plugins.Scheme.NewScheme [static method]: string -> WoofWare.Myriad.Plugins.Scheme
-WoofWare.Myriad.Plugins.Scheme.Tag [property]: [read-only] int
-WoofWare.Myriad.Plugins.Swagger inherit obj, implements WoofWare.Myriad.Plugins.Swagger System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.Swagger..ctor [constructor]: (WoofWare.Myriad.Plugins.MimeType list, WoofWare.Myriad.Plugins.MimeType list, WoofWare.Myriad.Plugins.Scheme list, System.Version, WoofWare.Myriad.Plugins.SwaggerInfo, string, Map<string, Map<WoofWare.Myriad.Plugins.HttpMethod, WoofWare.Myriad.Plugins.SwaggerEndpoint>>, Map<string, WoofWare.Myriad.Plugins.Definition>, Map<string, WoofWare.Myriad.Plugins.Response>)
-WoofWare.Myriad.Plugins.Swagger.BasePath [property]: [read-only] string
-WoofWare.Myriad.Plugins.Swagger.Consumes [property]: [read-only] WoofWare.Myriad.Plugins.MimeType list
-WoofWare.Myriad.Plugins.Swagger.Definitions [property]: [read-only] Map<string, WoofWare.Myriad.Plugins.Definition>
-WoofWare.Myriad.Plugins.Swagger.Equals [method]: (WoofWare.Myriad.Plugins.Swagger, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.Swagger.get_BasePath [method]: unit -> string
-WoofWare.Myriad.Plugins.Swagger.get_Consumes [method]: unit -> WoofWare.Myriad.Plugins.MimeType list
-WoofWare.Myriad.Plugins.Swagger.get_Definitions [method]: unit -> Map<string, WoofWare.Myriad.Plugins.Definition>
-WoofWare.Myriad.Plugins.Swagger.get_Info [method]: unit -> WoofWare.Myriad.Plugins.SwaggerInfo
-WoofWare.Myriad.Plugins.Swagger.get_Paths [method]: unit -> Map<string, Map<WoofWare.Myriad.Plugins.HttpMethod, WoofWare.Myriad.Plugins.SwaggerEndpoint>>
-WoofWare.Myriad.Plugins.Swagger.get_Produces [method]: unit -> WoofWare.Myriad.Plugins.MimeType list
-WoofWare.Myriad.Plugins.Swagger.get_Responses [method]: unit -> Map<string, WoofWare.Myriad.Plugins.Response>
-WoofWare.Myriad.Plugins.Swagger.get_Schemes [method]: unit -> WoofWare.Myriad.Plugins.Scheme list
-WoofWare.Myriad.Plugins.Swagger.get_Swagger [method]: unit -> System.Version
-WoofWare.Myriad.Plugins.Swagger.Info [property]: [read-only] WoofWare.Myriad.Plugins.SwaggerInfo
-WoofWare.Myriad.Plugins.Swagger.Paths [property]: [read-only] Map<string, Map<WoofWare.Myriad.Plugins.HttpMethod, WoofWare.Myriad.Plugins.SwaggerEndpoint>>
-WoofWare.Myriad.Plugins.Swagger.Produces [property]: [read-only] WoofWare.Myriad.Plugins.MimeType list
-WoofWare.Myriad.Plugins.Swagger.Responses [property]: [read-only] Map<string, WoofWare.Myriad.Plugins.Response>
-WoofWare.Myriad.Plugins.Swagger.Schemes [property]: [read-only] WoofWare.Myriad.Plugins.Scheme list
-WoofWare.Myriad.Plugins.Swagger.Swagger [property]: [read-only] System.Version
 WoofWare.Myriad.Plugins.SwaggerClientGenerator inherit obj, implements Myriad.Core.IMyriadGenerator
-WoofWare.Myriad.Plugins.SwaggerClientGenerator..ctor [constructor]: unit
-WoofWare.Myriad.Plugins.SwaggerEndpoint inherit obj, implements WoofWare.Myriad.Plugins.SwaggerEndpoint System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.SwaggerEndpoint..ctor [constructor]: (WoofWare.Myriad.Plugins.MimeType list option, WoofWare.Myriad.Plugins.MimeType list option, string list, string, WoofWare.Myriad.Plugins.OperationId, WoofWare.Myriad.Plugins.SwaggerParameter list option, Map<int, WoofWare.Myriad.Plugins.Definition>)
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Consumes [property]: [read-only] WoofWare.Myriad.Plugins.MimeType list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Equals [method]: (WoofWare.Myriad.Plugins.SwaggerEndpoint, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Consumes [method]: unit -> WoofWare.Myriad.Plugins.MimeType list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_OperationId [method]: unit -> WoofWare.Myriad.Plugins.OperationId
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Parameters [method]: unit -> WoofWare.Myriad.Plugins.SwaggerParameter list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Produces [method]: unit -> WoofWare.Myriad.Plugins.MimeType list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Responses [method]: unit -> Map<int, WoofWare.Myriad.Plugins.Definition>
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Summary [method]: unit -> string
-WoofWare.Myriad.Plugins.SwaggerEndpoint.get_Tags [method]: unit -> string list
-WoofWare.Myriad.Plugins.SwaggerEndpoint.OperationId [property]: [read-only] WoofWare.Myriad.Plugins.OperationId
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Parameters [property]: [read-only] WoofWare.Myriad.Plugins.SwaggerParameter list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.SwaggerEndpoint
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Produces [property]: [read-only] WoofWare.Myriad.Plugins.MimeType list option
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Responses [property]: [read-only] Map<int, WoofWare.Myriad.Plugins.Definition>
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Summary [property]: [read-only] string
-WoofWare.Myriad.Plugins.SwaggerEndpoint.Tags [property]: [read-only] string list
-WoofWare.Myriad.Plugins.SwaggerInfo inherit obj, implements WoofWare.Myriad.Plugins.SwaggerInfo System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.SwaggerInfo..ctor [constructor]: (string, string, WoofWare.Myriad.Plugins.SwaggerLicense, System.Version)
-WoofWare.Myriad.Plugins.SwaggerInfo.Description [property]: [read-only] string
-WoofWare.Myriad.Plugins.SwaggerInfo.Equals [method]: (WoofWare.Myriad.Plugins.SwaggerInfo, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.SwaggerInfo.get_Description [method]: unit -> string
-WoofWare.Myriad.Plugins.SwaggerInfo.get_License [method]: unit -> WoofWare.Myriad.Plugins.SwaggerLicense
-WoofWare.Myriad.Plugins.SwaggerInfo.get_Title [method]: unit -> string
-WoofWare.Myriad.Plugins.SwaggerInfo.get_Version [method]: unit -> System.Version
-WoofWare.Myriad.Plugins.SwaggerInfo.License [property]: [read-only] WoofWare.Myriad.Plugins.SwaggerLicense
-WoofWare.Myriad.Plugins.SwaggerInfo.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.SwaggerInfo
-WoofWare.Myriad.Plugins.SwaggerInfo.Title [property]: [read-only] string
-WoofWare.Myriad.Plugins.SwaggerInfo.Version [property]: [read-only] System.Version
-WoofWare.Myriad.Plugins.SwaggerLicense inherit obj, implements WoofWare.Myriad.Plugins.SwaggerLicense System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.SwaggerLicense..ctor [constructor]: (string, System.Uri option, string option)
-WoofWare.Myriad.Plugins.SwaggerLicense.Equals [method]: (WoofWare.Myriad.Plugins.SwaggerLicense, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.SwaggerLicense.get_Identifier [method]: unit -> string option
-WoofWare.Myriad.Plugins.SwaggerLicense.get_Name [method]: unit -> string
-WoofWare.Myriad.Plugins.SwaggerLicense.get_Url [method]: unit -> System.Uri option
-WoofWare.Myriad.Plugins.SwaggerLicense.Identifier [property]: [read-only] string option
-WoofWare.Myriad.Plugins.SwaggerLicense.Name [property]: [read-only] string
-WoofWare.Myriad.Plugins.SwaggerLicense.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.SwaggerLicense
-WoofWare.Myriad.Plugins.SwaggerLicense.Url [property]: [read-only] System.Uri option
-WoofWare.Myriad.Plugins.SwaggerModule inherit obj
-WoofWare.Myriad.Plugins.SwaggerModule.parse [static method]: string -> WoofWare.Myriad.Plugins.Swagger
-WoofWare.Myriad.Plugins.SwaggerParameter inherit obj, implements WoofWare.Myriad.Plugins.SwaggerParameter System.IEquatable, System.Collections.IStructuralEquatable
-WoofWare.Myriad.Plugins.SwaggerParameter..ctor [constructor]: (WoofWare.Myriad.Plugins.Definition, string option, WoofWare.Myriad.Plugins.ParameterIn, string, bool option)
-WoofWare.Myriad.Plugins.SwaggerParameter.Description [property]: [read-only] string option
-WoofWare.Myriad.Plugins.SwaggerParameter.Equals [method]: (WoofWare.Myriad.Plugins.SwaggerParameter, System.Collections.IEqualityComparer) -> bool
-WoofWare.Myriad.Plugins.SwaggerParameter.get_Description [method]: unit -> string option
-WoofWare.Myriad.Plugins.SwaggerParameter.get_In [method]: unit -> WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.SwaggerParameter.get_Name [method]: unit -> string
-WoofWare.Myriad.Plugins.SwaggerParameter.get_Required [method]: unit -> bool option
-WoofWare.Myriad.Plugins.SwaggerParameter.get_Type [method]: unit -> WoofWare.Myriad.Plugins.Definition
-WoofWare.Myriad.Plugins.SwaggerParameter.In [property]: [read-only] WoofWare.Myriad.Plugins.ParameterIn
-WoofWare.Myriad.Plugins.SwaggerParameter.Name [property]: [read-only] string
-WoofWare.Myriad.Plugins.SwaggerParameter.Parse [static method]: System.Text.Json.Nodes.JsonObject -> WoofWare.Myriad.Plugins.SwaggerParameter
-WoofWare.Myriad.Plugins.SwaggerParameter.Required [property]: [read-only] bool option
-WoofWare.Myriad.Plugins.SwaggerParameter.Type [property]: [read-only] WoofWare.Myriad.Plugins.Definition
+WoofWare.Myriad.Plugins.SwaggerClientGenerator..ctor [constructor]: unit

WoofWare.Myriad.Plugins/SwaggerClientGenerator.fs

@@ -1,7 +1,6 @@
 namespace WoofWare.Myriad.Plugins
 
 open System.Collections.Generic
-open System.IO
 open System.Threading
 open Fantomas.FCS.Syntax
 open Fantomas.FCS.Xml
@@ -19,15 +18,16 @@ type internal SwaggerClientConfig =
 type internal Produces =
     // TODO: this will cope with decoding JSON, plain text, etc
     | Produces of string
+    | OctetStream
 
 type internal Endpoint =
     {
         DocString : PreXmlDoc
         Produces : Produces
-        ReturnType : Definition
+        ReturnType : SwaggerV2.Definition
         Method : WoofWare.Myriad.Plugins.HttpMethod
-        Operation : OperationId
-        Parameters : SwaggerParameter list
+        Operation : SwaggerV2.OperationId
+        Parameters : SwaggerV2.SwaggerParameter list
         Endpoint : string
     }
 
@@ -42,49 +42,41 @@ type internal TypeEntry =
 type internal Types =
     {
         ByHandle : IReadOnlyDictionary<string, TypeEntry>
-        ByDefinition : IReadOnlyDictionary<Definition, TypeEntry>
+        ByDefinition : IReadOnlyDictionary<SwaggerV2.Definition, TypeEntry>
     }
 
 [<RequireQualifiedAccess>]
 module internal SwaggerClientGenerator =
-    let outputFile = FileInfo "/tmp/output.txt"
 
-    // do
-    //     use _ = File.Create outputFile.FullName
-    //     ()
+    let internal log (_ : string) = ()
 
-    let log (line : string) =
-        // use w = outputFile.AppendText ()
-        // w.WriteLine line
-        ()
-
-    let renderType (types : Types) (defn : Definition) : SynType option =
+    let renderType (types : Types) (defn : SwaggerV2.Definition) : SynType option =
         match types.ByDefinition.TryGetValue defn with
         | true, v -> Some v.Signature
         | false, _ ->
 
         match defn with
-        | Definition.Handle h ->
+        | SwaggerV2.Definition.Handle h ->
             match types.ByHandle.TryGetValue h with
             | false, _ -> None
             | true, v -> Some v.Signature
-        | Definition.Object _ -> failwith "should not hit"
-        | Definition.Array _ -> failwith "should not hit"
-        | Definition.Unspecified -> failwith "should not hit"
-        | Definition.String -> SynType.string |> Some
-        | Definition.Boolean -> SynType.bool |> Some
-        | Definition.Integer _ -> SynType.int |> Some
-        | Definition.File -> SynType.createLongIdent' [ "System" ; "IO" ; "Stream" ] |> Some
+        | SwaggerV2.Definition.Object _ -> failwith "should not hit"
+        | SwaggerV2.Definition.Array _ -> failwith "should not hit"
+        | SwaggerV2.Definition.Unspecified -> failwith "should not hit"
+        | SwaggerV2.Definition.String -> SynType.string |> Some
+        | SwaggerV2.Definition.Boolean -> SynType.bool |> Some
+        | SwaggerV2.Definition.Integer _ -> SynType.int |> Some
+        | SwaggerV2.Definition.File -> SynType.createLongIdent' [ "System" ; "IO" ; "Stream" ] |> Some
 
     /// Returns None if we lacked the information required to do this.
     /// bigCache is a map of e.g. {"securityDefinition": {Defn : F# type}}.
     let rec defnToType
         (anonymousTypeCount : int ref)
         (handlesMap : Dictionary<string, TypeEntry>)
-        (bigCache : Dictionary<string, Dictionary<Definition, TypeEntry>>)
+        (bigCache : Dictionary<string, Dictionary<SwaggerV2.Definition, TypeEntry>>)
         (thisKey : string)
         (typeName : string option)
-        (d : Definition)
+        (d : SwaggerV2.Definition)
         : TypeEntry option
         =
         let cache =
@@ -119,7 +111,7 @@ module internal SwaggerClientGenerator =
 
         let result =
             match d with
-            | Definition.Object obj ->
+            | SwaggerV2.Definition.Object obj ->
                 let requiredFields = obj.Required |> Option.defaultValue [] |> Set.ofList
 
                 let namedProperties =
@@ -131,7 +123,7 @@ module internal SwaggerClientGenerator =
                         // Special case for when this is a reference to this very type
                         let isOurself =
                             match defn with
-                            | Definition.Handle h ->
+                            | SwaggerV2.Definition.Handle h ->
                                 match h.Split '/' with
                                 | [| "#" ; location ; ty |] when location = thisKey && Some ty = typeName ->
                                     SynType.named ty |> Some
@@ -206,8 +198,8 @@ module internal SwaggerClientGenerator =
                         |> SynField.make
                         |> List.singleton
                         |> Some
-                    | Some AdditionalProperties.Never -> Some []
-                    | Some (AdditionalProperties.Constrained defn) ->
+                    | Some SwaggerV2.AdditionalProperties.Never -> Some []
+                    | Some (SwaggerV2.AdditionalProperties.Constrained defn) ->
                         let defn' = defnToType anonymousTypeCount handlesMap bigCache thisKey None defn
 
                         match defn' with
@@ -285,7 +277,7 @@ module internal SwaggerClientGenerator =
 
                 defn |> Some
 
-            | Definition.Array elt ->
+            | SwaggerV2.Definition.Array elt ->
                 let child = defnToType anonymousTypeCount handlesMap bigCache thisKey None elt.Items
 
                 match child with
@@ -298,37 +290,37 @@ module internal SwaggerClientGenerator =
                         }
 
                     Some defn
-            | Definition.String ->
+            | SwaggerV2.Definition.String ->
                 {
                     Signature = SynType.string
                     FSharpDefinition = None
                 }
                 |> Some
-            | Definition.Boolean ->
+            | SwaggerV2.Definition.Boolean ->
                 {
                     Signature = SynType.bool
                     FSharpDefinition = None
                 }
                 |> Some
-            | Definition.Unspecified ->
+            | SwaggerV2.Definition.Unspecified ->
                 {
                     Signature = SynType.unit
                     FSharpDefinition = None
                 }
                 |> Some
-            | Definition.Integer _ ->
+            | SwaggerV2.Definition.Integer _ ->
                 {
                     Signature = SynType.createLongIdent' [ "int" ]
                     FSharpDefinition = None
                 }
                 |> Some
-            | Definition.File ->
+            | SwaggerV2.Definition.File ->
                 {
                     Signature = SynType.createLongIdent' [ "System" ; "IO" ; "Stream" ]
                     FSharpDefinition = None
                 }
                 |> Some
-            | Definition.Handle s ->
+            | SwaggerV2.Definition.Handle s ->
                 let split = s.Split '/' |> List.ofArray
 
                 match split with
@@ -390,14 +382,14 @@ module internal SwaggerClientGenerator =
                 |> List.map (fun par ->
                     let inParam =
                         match par.In with
-                        | ParameterIn.Unrecognised (f, name) ->
+                        | SwaggerV2.ParameterIn.Unrecognised (f, name) ->
                             log
                                 $"Skipping %O{ep.Operation} at %s{ep.Endpoint}: unrecognised In parameter %s{f} with name %s{name}"
 
                             None
-                        | ParameterIn.Body -> Some IsIn.Body
-                        | ParameterIn.Query name -> Some (IsIn.Query name)
-                        | ParameterIn.Path name -> Some (IsIn.Path name)
+                        | SwaggerV2.ParameterIn.Body -> Some IsIn.Body
+                        | SwaggerV2.ParameterIn.Query name -> Some (IsIn.Query name)
+                        | SwaggerV2.ParameterIn.Path name -> Some (IsIn.Path name)
 
                     match inParam with
                     | None -> None
@@ -477,6 +469,15 @@ module internal SwaggerClientGenerator =
                             (SynLongIdent.createS' [ "RestEase" ; "Header" ])
                             // Gitea, at least, starts with a `/`, which `Uri` then takes to indicate an absolute path.
                             (SynExpr.tuple [ SynExpr.CreateConst "Content-Type" ; SynExpr.CreateConst contentType ])
+                    | Produces.OctetStream ->
+                        SynAttribute.create
+                            (SynLongIdent.createS' [ "RestEase" ; "Header" ])
+                            // Gitea, at least, starts with a `/`, which `Uri` then takes to indicate an absolute path.
+                            (SynExpr.tuple
+                                [
+                                    SynExpr.CreateConst "Content-Type"
+                                    SynExpr.CreateConst "application/octet-stream"
+                                ])
                 ]
 
             returnType
@@ -512,6 +513,201 @@ module internal SwaggerClientGenerator =
         |> List.singleton
 
 open Myriad.Core
+open System.IO
+
+[<RequireQualifiedAccess>]
+module internal SwaggerV2Generator =
+    let generate (pars : Map<string, string>) (contents : SwaggerV2.SwaggerV2) : Output =
+        let scheme =
+            let preferred = SwaggerV2.Scheme "https"
+
+            if List.isEmpty contents.Schemes then
+                failwith "no schemes specified in API spec!"
+
+            if List.contains preferred contents.Schemes then
+                preferred
+            else
+                List.head contents.Schemes
+
+        let clientDocstring = contents.Info.Description |> PreXmlDoc.create
+
+        let basePath = contents.BasePath
+
+        let typeDefs =
+            let bigCache = Dictionary<_, Dictionary<_, _>> ()
+
+            let countAll () =
+                (0, bigCache) ||> Seq.fold (fun count (KeyValue (_, v)) -> count + v.Count)
+
+            let byHandle = Dictionary ()
+            let anonymousTypeCount = ref 0
+
+            let rec go (contents : ((string * SwaggerV2.Definition) * string) list) =
+                let lastRound = countAll ()
+
+                contents
+                |> List.filter (fun ((name, defn), defnClass) ->
+                    let doIt =
+                        SwaggerClientGenerator.defnToType
+                            anonymousTypeCount
+                            byHandle
+                            bigCache
+                            defnClass
+                            (Some name)
+                            defn
+
+                    match doIt with
+                    | None -> true
+                    | Some _ -> false
+                )
+                |> fun remaining ->
+                    if not remaining.IsEmpty then
+                        let currentCount = countAll ()
+
+                        if currentCount = lastRound then
+                            for (name, remaining), kind in remaining do
+                                SwaggerClientGenerator.log $"Remaining: %s{name} (%s{kind})"
+
+                            SwaggerClientGenerator.log "--------"
+
+                            for KeyValue (handle, defn) in byHandle do
+                                SwaggerClientGenerator.log $"Known: %s{handle} %O{defn}"
+
+                            // TODO: ohh noooooo the Gitea spec is genuinely circular,
+                            // it's impossible to construct a Repository type
+                            // we're going to have to somehow detect this case and break the cycle
+                            // by artificially making a property optional
+                            // :sob: Gitea why are you like this
+                            // failwith "Made no further progress rendering types"
+                            ()
+                        else
+                            go remaining
+
+            seq {
+                for defnClass in [ "definitions" ; "responses" ] do
+                    match defnClass with
+                    | "definitions" ->
+                        for KeyValue (k, v) in contents.Definitions do
+                            yield (k, v), defnClass
+                    | "responses" ->
+                        for KeyValue (k, v) in contents.Responses do
+                            yield (k, v.Schema), defnClass
+                    | _ -> failwith "oh no"
+            }
+            |> Seq.toList
+            |> go
+
+            let result = Dictionary ()
+
+            for KeyValue (_container, types) in bigCache do
+                for KeyValue (defn, rendered) in types do
+                    result.TryAdd (defn, rendered) |> ignore<bool>
+
+            {
+                ByHandle = byHandle
+                ByDefinition = result :> IReadOnlyDictionary<_, _>
+            }
+
+        let summary =
+            contents.Paths
+            |> Seq.collect (fun (KeyValue (path, endpoints)) ->
+                endpoints
+                |> Seq.choose (fun (KeyValue (method, endpoint)) ->
+                    let docstring = endpoint.Summary |> PreXmlDoc.create
+
+                    let produces =
+                        match endpoint.Produces with
+                        | None -> Produces.Produces "json"
+                        | Some [] -> failwith $"API specified empty Produces: %s{path} (%O{method})"
+                        | Some [ SwaggerV2.MimeType "application/octet-stream" ] -> Produces.OctetStream
+                        | Some [ SwaggerV2.MimeType "application/json" ] -> Produces.Produces "json"
+                        | Some [ SwaggerV2.MimeType (StartsWith "text/" t) ] -> Produces.Produces t
+                        | Some [ SwaggerV2.MimeType s ] ->
+                            failwithf
+                                $"we don't support non-JSON Produces right now, got: %s{s} (%s{path} %O{method})"
+                        | Some (_ :: _) ->
+                            failwith $"we don't support multiple Produces right now, at %s{path} (%O{method})"
+
+                    let returnType =
+                        endpoint.Responses
+                        |> Seq.choose (fun (KeyValue (response, defn)) ->
+                            if 200 <= response && response < 300 then
+                                Some defn
+                            else
+                                None
+                        )
+                        |> Seq.toList
+
+                    let returnType =
+                        match returnType with
+                        | [ t ] -> Some t
+                        | [] -> failwith $"got no successful response results, %s{path} %O{method}"
+                        | _ ->
+                            SwaggerClientGenerator.log
+                                $"Ignoring %s{path} %O{method} due to multiple success responses"
+                            // can't be bothered to work out how to deal with multiple success
+                            // results right now
+                            None
+
+                    match returnType with
+                    | None -> None
+                    | Some returnType ->
+
+                    {
+                        Method = method
+                        Produces = produces
+                        DocString = docstring
+                        ReturnType = returnType
+                        Operation = endpoint.OperationId
+                        Parameters = endpoint.Parameters |> Option.defaultValue []
+                        Endpoint = path
+                    }
+                    |> Some
+                )
+                |> Seq.toList
+            )
+            |> Seq.toList
+
+        let config =
+            let createMock =
+                match Map.tryFind "GENERATEMOCKVISIBILITY" pars with
+                | None -> None
+                | Some v ->
+                    match v.ToLowerInvariant () with
+                    | "internal" -> Some true
+                    | "public" -> Some false
+                    | _ ->
+                        failwith
+                            $"Expected GenerateMockVisibility parameter to be 'internal' or 'public', but was: '%s{v.ToLowerInvariant ()}'"
+
+            let className =
+                match Map.tryFind "CLASSNAME" pars with
+                | None -> failwith "You must supply the <ClassName /> parameter in <MyriadParams />."
+                | Some v -> v
+
+            {
+                CreateMock = createMock
+                ClassName = className
+            }
+
+        let ty =
+            SwaggerClientGenerator.computeType config basePath typeDefs clientDocstring summary
+
+        [
+            yield
+                SynModuleDecl.Open (
+                    SynOpenDeclTarget.ModuleOrNamespace (
+                        SynLongIdent.createS' [ "WoofWare" ; "Myriad" ; "Plugins" ],
+                        range0
+                    ),
+                    range0
+                )
+            yield SwaggerClientGenerator.instantiateRequiredTypes typeDefs
+            yield! ty
+        ]
+        |> SynModuleOrNamespace.createNamespace [ Ident.create config.ClassName ]
+        |> List.singleton
+        |> Output.Ast
 
 /// Myriad generator that stamps out an interface and class to access a Swagger-specified API.
 [<MyriadGenerator("swagger-client")>]
@@ -521,205 +717,19 @@ type SwaggerClientGenerator () =
         member _.ValidInputExtensions = [ ".json" ]
 
         member _.Generate (context : GeneratorContext) =
-            let contents = File.ReadAllText context.InputFilename |> Swagger.parse
+            let pars = MyriadParamParser.render context.AdditionalParameters
 
-            let scheme =
-                let preferred = Scheme "https"
+            let pars =
+                pars
+                |> Map.toSeq
+                |> Seq.map (fun (k, v) -> k.ToUpperInvariant (), v)
+                |> Map.ofSeq
 
-                if List.isEmpty contents.Schemes then
-                    failwith "no schemes specified in API spec!"
+            if pars.IsEmpty then
+                failwith "No parameters given. You must supply the <ClassName /> parameter in <MyriadParams />."
 
-                if List.contains preferred contents.Schemes then
-                    preferred
-                else
-                    List.head contents.Schemes
+            let contents = File.ReadAllText context.InputFilename |> SwaggerV2.parse
 
-            let clientDocstring = contents.Info.Description |> PreXmlDoc.create
-
-            let basePath = contents.BasePath
-
-            let typeDefs =
-                let bigCache = Dictionary<_, Dictionary<_, _>> ()
-
-                let countAll () =
-                    (0, bigCache) ||> Seq.fold (fun count (KeyValue (_, v)) -> count + v.Count)
-
-                let byHandle = Dictionary ()
-                let anonymousTypeCount = ref 0
-
-                let rec go (contents : ((string * Definition) * string) list) =
-                    let lastRound = countAll ()
-
-                    contents
-                    |> List.filter (fun ((name, defn), defnClass) ->
-                        let doIt =
-                            SwaggerClientGenerator.defnToType
-                                anonymousTypeCount
-                                byHandle
-                                bigCache
-                                defnClass
-                                (Some name)
-                                defn
-
-                        match doIt with
-                        | None -> true
-                        | Some _ -> false
-                    )
-                    |> fun remaining ->
-                        if not remaining.IsEmpty then
-                            let currentCount = countAll ()
-
-                            if currentCount = lastRound then
-                                for (name, remaining), kind in remaining do
-                                    SwaggerClientGenerator.log $"Remaining: %s{name} (%s{kind})"
-
-                                SwaggerClientGenerator.log "--------"
-
-                                for KeyValue (handle, defn) in byHandle do
-                                    SwaggerClientGenerator.log $"Known: %s{handle} %O{defn}"
-
-                                // TODO: ohh noooooo the Gitea spec is genuinely circular,
-                                // it's impossible to construct a Repository type
-                                // we're going to have to somehow detect this case and break the cycle
-                                // by artificially making a property optional
-                                // :sob: Gitea why are you like this
-                                // failwith "Made no further progress rendering types"
-                                ()
-                            else
-                                go remaining
-
-                seq {
-                    for defnClass in [ "definitions" ; "responses" ] do
-                        match defnClass with
-                        | "definitions" ->
-                            for KeyValue (k, v) in contents.Definitions do
-                                yield (k, v), defnClass
-                        | "responses" ->
-                            for KeyValue (k, v) in contents.Responses do
-                                yield (k, v.Schema), defnClass
-                        | _ -> failwith "oh no"
-                }
-                |> Seq.toList
-                |> go
-
-                let result = Dictionary ()
-
-                for KeyValue (_container, types) in bigCache do
-                    for KeyValue (defn, rendered) in types do
-                        result.TryAdd (defn, rendered) |> ignore<bool>
-
-                {
-                    ByHandle = byHandle
-                    ByDefinition = result :> IReadOnlyDictionary<_, _>
-                }
-
-            let summary =
-                contents.Paths
-                |> Seq.collect (fun (KeyValue (path, endpoints)) ->
-                    endpoints
-                    |> Seq.choose (fun (KeyValue (method, endpoint)) ->
-                        let docstring = endpoint.Summary |> PreXmlDoc.create
-
-                        let produces =
-                            match endpoint.Produces with
-                            | None -> Produces "json"
-                            | Some [] -> failwith $"API specified empty Produces: %s{path} (%O{method})"
-                            | Some [ MimeType "application/json" ] -> Produces "json"
-                            | Some [ MimeType (StartsWith "text/" t) ] -> Produces t
-                            | Some [ MimeType s ] ->
-                                failwithf
-                                    $"we don't support non-JSON Produces right now, got: %s{s} (%s{path} %O{method})"
-                            | Some (_ :: _) ->
-                                failwith $"we don't support multiple Produces right now, at %s{path} (%O{method})"
-
-                        let returnType =
-                            endpoint.Responses
-                            |> Seq.choose (fun (KeyValue (response, defn)) ->
-                                if 200 <= response && response < 300 then
-                                    Some defn
-                                else
-                                    None
-                            )
-                            |> Seq.toList
-
-                        let returnType =
-                            match returnType with
-                            | [ t ] -> Some t
-                            | [] -> failwith $"got no successful response results, %s{path} %O{method}"
-                            | _ ->
-                                SwaggerClientGenerator.log
-                                    $"Ignoring %s{path} %O{method} due to multiple success responses"
-                                // can't be bothered to work out how to deal with multiple success
-                                // results right now
-                                None
-
-                        match returnType with
-                        | None -> None
-                        | Some returnType ->
-
-                        {
-                            Method = method
-                            Produces = produces
-                            DocString = docstring
-                            ReturnType = returnType
-                            Operation = endpoint.OperationId
-                            Parameters = endpoint.Parameters |> Option.defaultValue []
-                            Endpoint = path
-                        }
-                        |> Some
-                    )
-                    |> Seq.toList
-                )
-                |> Seq.toList
-
-            let config =
-                let pars = MyriadParamParser.render context.AdditionalParameters
-
-                let pars =
-                    pars
-                    |> Map.toSeq
-                    |> Seq.map (fun (k, v) -> k.ToUpperInvariant (), v)
-                    |> Map.ofSeq
-
-                if pars.IsEmpty then
-                    failwith "No parameters given. You must supply the <ClassName /> parameter in <MyriadParams />."
-
-                let createMock =
-                    match Map.tryFind "GENERATEMOCKVISIBILITY" pars with
-                    | None -> None
-                    | Some v ->
-                        match v.ToLowerInvariant () with
-                        | "internal" -> Some true
-                        | "public" -> Some false
-                        | _ ->
-                            failwith
-                                $"Expected GenerateMockVisibility parameter to be 'internal' or 'public', but was: '%s{v.ToLowerInvariant ()}'"
-
-                let className =
-                    match Map.tryFind "CLASSNAME" pars with
-                    | None -> failwith "You must supply the <ClassName /> parameter in <MyriadParams />."
-                    | Some v -> v
-
-                {
-                    CreateMock = createMock
-                    ClassName = className
-                }
-
-            let ty =
-                SwaggerClientGenerator.computeType config basePath typeDefs clientDocstring summary
-
-            [
-                yield
-                    SynModuleDecl.Open (
-                        SynOpenDeclTarget.ModuleOrNamespace (
-                            SynLongIdent.createS' [ "WoofWare" ; "Myriad" ; "Plugins" ],
-                            range0
-                        ),
-                        range0
-                    )
-                yield SwaggerClientGenerator.instantiateRequiredTypes typeDefs
-                yield! ty
-            ]
-            |> SynModuleOrNamespace.createNamespace [ Ident.create config.ClassName ]
-            |> List.singleton
-            |> Output.Ast
+            match contents with
+            | Ok contents -> SwaggerV2Generator.generate pars contents
+            | Error node -> failwith "Input was not a Swagger 2 spec"

WoofWare.Myriad.Plugins/SwaggerV2.fs

@@ -1,53 +1,8 @@
-namespace WoofWare.Myriad.Plugins
+module internal WoofWare.Myriad.Plugins.SwaggerV2
 
 open System
 open System.Text.Json.Nodes
 
-[<AutoOpen>]
-module internal JsonHelpers =
-    let inline asString (n : JsonNode) (key : string) : string =
-        match n.[key] with
-        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
-        | s -> s.GetValue<string> ()
-
-    [<RequiresExplicitTypeArguments>]
-    let inline asOpt<'ret> (n : JsonNode) (key : string) : 'ret option =
-        match n.[key] with
-        | null -> None
-        | s -> s.GetValue<'ret> () |> Some
-
-    let inline asObj (n : JsonNode) (key : string) : JsonObject =
-        match n.[key] with
-        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
-        | o -> o.AsObject ()
-
-    let inline asObjOpt (n : JsonNode) (key : string) : JsonObject option =
-        match n.[key] with
-        | null -> None
-        | o -> o.AsObject () |> Some
-
-    let inline asArr (n : JsonNode) (key : string) : JsonArray =
-        match n.[key] with
-        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
-        | o -> o.AsArray ()
-
-    let inline asArrOpt (n : JsonNode) (key : string) : JsonArray option =
-        match n.[key] with
-        | null -> None
-        | o -> o.AsArray () |> Some
-
-    [<RequiresExplicitTypeArguments>]
-    let inline asArr'<'v> (n : JsonNode) (key : string) : 'v list =
-        match n.[key] with
-        | null -> failwith $"Expected node to have a key '%s{key}', but it did not: %s{n.ToJsonString ()}"
-        | o -> o.AsArray () |> Seq.map (fun v -> v.GetValue<'v> ()) |> Seq.toList
-
-    [<RequiresExplicitTypeArguments>]
-    let inline asArrOpt'<'v> (n : JsonNode) (key : string) : 'v list option =
-        match n.[key] with
-        | null -> None
-        | o -> o.AsArray () |> Seq.map (fun v -> v.GetValue<'v> ()) |> Seq.toList |> Some
-
 /// A MIME type, like "application/json"
 type MimeType =
     /// A MIME type, like "application/json"
@@ -198,7 +153,14 @@ and ObjectTypeDefinition =
                 |> Map.ofSeq
                 |> Some
 
-        let example = asObjOpt node "example"
+        let example =
+            match node.["example"] with
+            | null -> None
+            | :? JsonObject as o -> Some o
+            | _ ->
+                // Gitea returns a stringified and malformed JSON object here.
+                // Don't throw; just omit.
+                None
 
         let required = asArrOpt'<string> node "required"
 
@@ -427,71 +389,8 @@ type Response =
             Schema = schema
         }
 
-/// An HTTP method. This is System.Net.Http.HttpMethod, but
-/// a proper discriminated union.
-type HttpMethod =
-    /// HTTP Get
-    | Get
-    /// HTTP Post
-    | Post
-    /// HTTP Delete
-    | Delete
-    /// HTTP Patch
-    | Patch
-    /// HTTP Options
-    | Options
-    /// HTTP Head
-    | Head
-    /// HTTP Put
-    | Put
-    /// HTTP Trace
-    | Trace
-
-    /// Convert to the standard library's enum type.
-    member this.ToDotNet () : System.Net.Http.HttpMethod =
-        match this with
-        | HttpMethod.Get -> System.Net.Http.HttpMethod.Get
-        | HttpMethod.Post -> System.Net.Http.HttpMethod.Post
-        | HttpMethod.Delete -> System.Net.Http.HttpMethod.Delete
-        | HttpMethod.Patch -> System.Net.Http.HttpMethod.Patch
-        | HttpMethod.Options -> System.Net.Http.HttpMethod.Options
-        | HttpMethod.Head -> System.Net.Http.HttpMethod.Head
-        | HttpMethod.Put -> System.Net.Http.HttpMethod.Put
-        | HttpMethod.Trace -> System.Net.Http.HttpMethod.Trace
-
-    /// Human-readable string representation.
-    override this.ToString () : string =
-        match this with
-        | HttpMethod.Get -> "Get"
-        | HttpMethod.Post -> "Post"
-        | HttpMethod.Delete -> "Delete"
-        | HttpMethod.Patch -> "Post"
-        | HttpMethod.Options -> "Options"
-        | HttpMethod.Head -> "Head"
-        | HttpMethod.Put -> "Put"
-        | HttpMethod.Trace -> "Trace"
-
-    /// Throws on invalid inputs.
-    static member Parse (s : string) : HttpMethod =
-        if String.Equals (s, "get", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Get
-        elif String.Equals (s, "post", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Post
-        elif String.Equals (s, "patch", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Patch
-        elif String.Equals (s, "delete", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Delete
-        elif String.Equals (s, "head", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Head
-        elif String.Equals (s, "options", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Options
-        elif String.Equals (s, "put", StringComparison.OrdinalIgnoreCase) then
-            HttpMethod.Put
-        else
-            failwith $"Unrecognised method: %s{s}"
-
 /// A Swagger API specification.
-type Swagger =
+type SwaggerV2 =
     {
         /// Global collection of MIME types which any endpoint expects to consume its inputs in.
         /// This may be overridden on any individual endpoint by that endpoint.
@@ -519,58 +418,63 @@ type Swagger =
         Responses : Map<string, Response>
     }
 
-[<RequireQualifiedAccess>]
-module Swagger =
-    /// Parse a JSON-schema-based specification of a Swagger 2.0 API and
-    /// build the strongly-typed version. Throws on invalid inputs.
-    let parse (s : string) : Swagger =
-        let node = JsonNode.Parse s
-        let consumes = asArr'<string> node "consumes" |> List.map MimeType
-        let produces = asArr'<string> node "produces" |> List.map MimeType
-        let schemes = asArr'<string> node "schemes" |> List.map Scheme
-        let swagger = asString node "swagger" |> Version.Parse
-        let info = asObj node "info" |> SwaggerInfo.Parse
-        let basePath = asString node "basePath"
+/// Parse a JSON-schema-based specification of a Swagger 2.0 API and
+/// build the strongly-typed version. Throws on invalid inputs; returns Error if the input is JSON but has a Swagger
+/// version that is not in the 2.0 series.
+let parse (s : string) : Result<SwaggerV2, JsonNode> =
+    let node = JsonNode.Parse s
+    let swagger = asString node "swagger" |> Version.Parse
 
-        let definitions =
-            asObj node "definitions"
-            |> Seq.map (fun (KeyValue (key, value)) ->
-                let value = value.AsObject ()
-                key, Definition.Parse value
-            )
-            |> Map.ofSeq
+    if swagger.Major <> 2 then
+        Error node
+    else
 
-        let paths =
-            asObj node "paths"
-            |> Seq.map (fun (KeyValue (key, value)) ->
-                let contents =
-                    value.AsObject ()
-                    |> Seq.map (fun (KeyValue (endpoint, contents)) ->
-                        let contents = contents.AsObject ()
-                        HttpMethod.Parse endpoint, SwaggerEndpoint.Parse contents
-                    )
-                    |> Map.ofSeq
+    let consumes = asArr'<string> node "consumes" |> List.map MimeType
+    let produces = asArr'<string> node "produces" |> List.map MimeType
+    let schemes = asArr'<string> node "schemes" |> List.map Scheme
+    let info = asObj node "info" |> SwaggerInfo.Parse
+    let basePath = asString node "basePath"
 
-                key, contents
-            )
-            |> Map.ofSeq
+    let definitions =
+        asObj node "definitions"
+        |> Seq.map (fun (KeyValue (key, value)) ->
+            let value = value.AsObject ()
+            key, Definition.Parse value
+        )
+        |> Map.ofSeq
 
-        let responses =
-            asObj node "responses"
-            |> Seq.map (fun (KeyValue (key, value)) ->
-                let value = value.AsObject ()
-                key, Response.Parse value
-            )
-            |> Map.ofSeq
+    let paths =
+        asObj node "paths"
+        |> Seq.map (fun (KeyValue (key, value)) ->
+            let contents =
+                value.AsObject ()
+                |> Seq.map (fun (KeyValue (endpoint, contents)) ->
+                    let contents = contents.AsObject ()
+                    HttpMethod.Parse endpoint, SwaggerEndpoint.Parse contents
+                )
+                |> Map.ofSeq
 
-        {
-            Consumes = consumes
-            Produces = produces
-            Schemes = schemes
-            Swagger = swagger
-            Info = info
-            BasePath = basePath
-            Paths = paths
-            Definitions = definitions
-            Responses = responses
-        }
+            key, contents
+        )
+        |> Map.ofSeq
+
+    let responses =
+        asObj node "responses"
+        |> Seq.map (fun (KeyValue (key, value)) ->
+            let value = value.AsObject ()
+            key, Response.Parse value
+        )
+        |> Map.ofSeq
+
+    {
+        Consumes = consumes
+        Produces = produces
+        Schemes = schemes
+        Swagger = swagger
+        Info = info
+        BasePath = basePath
+        Paths = paths
+        Definitions = definitions
+        Responses = responses
+    }
+    |> Ok

WoofWare.Myriad.Plugins/WoofWare.Myriad.Plugins.fsproj

@@ -15,22 +15,25 @@
     <WarnOn>FS3559</WarnOn>
     <PackageId>WoofWare.Myriad.Plugins</PackageId>
     <PackageIcon>logo.png</PackageIcon>
+    <NoWarn>NU5118</NoWarn>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Myriad.Core" Version="0.8.3" />
     <PackageReference Include="TypeEquality" Version="0.3.0" />
-    <PackageReference Include="WoofWare.Whippet.Fantomas" Version="0.2.1" />
+    <PackageReference Include="WoofWare.Whippet.Fantomas" Version="0.6.3" />
     <!-- the lowest version allowed by Myriad.Core -->
     <PackageReference Update="FSharp.Core" Version="6.0.1" PrivateAssets="all"/>
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Include="AssemblyInfo.fs" />
     <Compile Include="List.fs"/>
     <Compile Include="Text.fs" />
     <Compile Include="Measure.fs" />
     <Compile Include="AstHelper.fs" />
+    <Compile Include="Parameters.fs" />
     <Compile Include="RemoveOptionsGenerator.fs"/>
     <Compile Include="MyriadParamParser.fs" />
     <Compile Include="InterfaceMockGenerator.fs"/>
@@ -39,9 +42,11 @@
     <Compile Include="HttpClientGenerator.fs"/>
     <Compile Include="CataGenerator.fs" />
     <Compile Include="ArgParserGenerator.fs" />
-    <Compile Include="Swagger.fs" />
+    <Compile Include="JsonHelpers.fs" />
+    <Compile Include="HttpMethod.fs" />
+    <Compile Include="SwaggerV2.fs" />
+    <Compile Include="OpenApi3.fs" />
     <Compile Include="SwaggerClientGenerator.fs" />
-    <None Include="ApacheLicence.txt" />
     <EmbeddedResource Include="version.json"/>
     <EmbeddedResource Include="SurfaceBaseline.txt"/>
     <None Include="..\README.md">
@@ -58,7 +63,7 @@
     <ProjectReference Include="..\WoofWare.Myriad.Plugins.Attributes\WoofWare.Myriad.Plugins.Attributes.fsproj"/>
     <!-- NuGet is such a clown package manager! Get the DLLs into the Nupkg artefact, I have no idea why this is needed,
          but without this line, we don't get any dependency at all packaged into the resulting artefact. -->
-    <None Include="$(OutputPath)\WoofWare.Myriad.Plugins.Attributes.dll" Pack="true" PackagePath="lib\$(TargetFramework)"/>
+    <None Include="$(OutputPath)\*.dll" Pack="true" PackagePath="lib\$(TargetFramework)"/>
   </ItemGroup>
 
 </Project>

WoofWare.Myriad.Plugins/version.json

@@ -1,5 +1,5 @@
 {
-  "version": "4.0",
+  "version": "8.0",
   "publicReleaseRefSpec": [
     "^refs/heads/main$"
   ],

analyzers/analyzers.fsproj

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.11.0]" />
+    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.17.0]" />
   </ItemGroup>
 
 </Project>

flake.lock

@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1728093190,
-        "narHash": "sha256-CAZF2NRuHmqTtRTNAruWpHA43Gg2UvuCNEIzabP0l6M=",
+        "lastModified": 1753432016,
+        "narHash": "sha256-cnL5WWn/xkZoyH/03NNUS7QgW5vI7D1i74g48qplCvg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e2f08f4d8b3ecb5cf5c9fd9cb2d53bb3c71807da",
+        "rev": "6027c30c8e9810896b92429f0092f624f7b1aace",
         "type": "github"
       },
       "original": {

flake.nix

@@ -14,8 +14,8 @@
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = nixpkgs.legacyPackages.${system};
       pname = "WoofWare.Myriad.Plugins";
-      dotnet-sdk = pkgs.dotnet-sdk_8;
-      dotnet-runtime = pkgs.dotnetCorePackages.runtime_8_0;
+      dotnet-sdk = pkgs.dotnetCorePackages.sdk_9_0;
+      dotnet-runtime = pkgs.dotnetCorePackages.runtime_9_0;
       version = "0.1";
       dotnetTool = dllOverride: toolName: toolVersion: hash:
         pkgs.stdenvNoCC.mkDerivation rec {
@@ -26,25 +26,29 @@
             pname = name;
             version = version;
             hash = hash;
-            installPhase = ''mkdir -p $out/bin && cp -r tools/net6.0/any/* $out/bin'';
+            installPhase = ''mkdir -p $out/bin && cp -r tools/net*/any/* $out/bin'';
           };
           installPhase = let
             dll =
               if isNull dllOverride
               then name
               else dllOverride;
-          in ''
-            runHook preInstall
-            mkdir -p "$out/lib"
-            cp -r ./bin/* "$out/lib"
-            makeWrapper "${dotnet-runtime}/bin/dotnet" "$out/bin/${name}" --add-flags "$out/lib/${dll}.dll"
-            runHook postInstall
-          '';
+          in
+            # fsharp-analyzers requires the .NET SDK at runtime, so we use that instead of dotnet-runtime.
+            ''
+              runHook preInstall
+              mkdir -p "$out/lib"
+              cp -r ./bin/* "$out/lib"
+              makeWrapper "${dotnet-sdk}/bin/dotnet" "$out/bin/${name}" --set DOTNET_HOST_PATH "${dotnet-sdk}/bin/dotnet" --add-flags "$out/lib/${dll}.dll"
+              runHook postInstall
+            '';
         };
     in {
-      packages = {
-        fantomas = dotnetTool null "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).hash;
-        fsharp-analyzers = dotnetTool "FSharp.Analyzers.Cli" "fsharp-analyzers" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fsharp-analyzers.version (builtins.head (builtins.filter (elem: elem.pname == "fsharp-analyzers") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).hash;
+      packages = let
+        deps = builtins.fromJSON (builtins.readFile ./nix/deps.json);
+      in {
+        fantomas = dotnetTool null "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") deps)).hash;
+        fsharp-analyzers = dotnetTool "FSharp.Analyzers.Cli" "fsharp-analyzers" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fsharp-analyzers.version (builtins.head (builtins.filter (elem: elem.pname == "fsharp-analyzers") deps)).hash;
         default = pkgs.buildDotnetModule {
           inherit pname version dotnet-sdk dotnet-runtime;
           name = "WoofWare.Myriad.Plugins";
@@ -52,7 +56,7 @@
           projectFile = "./WoofWare.Myriad.Plugins/WoofWare.Myriad.Plugins.fsproj";
           testProjectFile = "./WoofWare.Myriad.Plugins.Test/WoofWare.Myriad.Plugins.Test.fsproj";
           disabledTests = ["WoofWare.Myriad.Plugins.Test.TestSurface.CheckVersionAgainstRemote"];
-          nugetDeps = ./nix/deps.nix; # `nix build .#default.passthru.fetch-deps && ./result nix/deps.nix`
+          nugetDeps = ./nix/deps.json; # `nix build .#default.fetch-deps && ./result nix/deps.json`
           doCheck = true;
         };
       };
@@ -62,6 +66,7 @@
           pkgs.alejandra
           pkgs.nodePackages.markdown-link-check
           pkgs.shellcheck
+          pkgs.xmlstarlet
         ];
       };
     });

global.json

@@ -1,6 +1,6 @@
-{
-  "sdk": {
-    "version": "8.0.100",
-    "rollForward": "latestMajor"
-  }
-}
+{
+  "sdk": {
+    "version": "9.0.100",
+    "rollForward": "latestMajor"
+  }
+}

nix/deps.json

@@ -0,0 +1,402 @@
+[
+  {
+    "pname": "ApiSurface",
+    "version": "4.1.22",
+    "hash": "sha256-voj9m3YmyJ95FAMLV4sWzQMod3Em0mTjzf0LBUUFOso="
+  },
+  {
+    "pname": "fantomas",
+    "version": "7.0.3",
+    "hash": "sha256-0XlfV7SxXPDnk/CjkUesJSaH0cxlNHJ+Jj86zNUhkNA="
+  },
+  {
+    "pname": "Fantomas.Core",
+    "version": "6.1.1",
+    "hash": "sha256-FcTLHQFvKkQY/kV08jhhy/St/+FmXpp3epp/R3zUXMA="
+  },
+  {
+    "pname": "Fantomas.FCS",
+    "version": "6.1.1",
+    "hash": "sha256-NuZ8msPEHYA8T3EYREB28F1RcNgUU8V54eg2+UttYxw="
+  },
+  {
+    "pname": "FsCheck",
+    "version": "3.3.0",
+    "hash": "sha256-TFDR/uAGv4OqrMX8/reQ4faaAhH9hxTHr1T/YkNPCCU="
+  },
+  {
+    "pname": "fsharp-analyzers",
+    "version": "0.32.0",
+    "hash": "sha256-MnhsK5tOeexL6uQhsV4nTRz8CGbz2o8VyHwAK8x91pE="
+  },
+  {
+    "pname": "FSharp.Core",
+    "version": "4.3.4",
+    "hash": "sha256-styyo+6mJy+yxE0NZG/b1hxkAjPOnJfMgd9zWzCJ5uk="
+  },
+  {
+    "pname": "FSharp.Core",
+    "version": "6.0.1",
+    "hash": "sha256-Ehsgt3nCJijpaVuJguC1TPVEKSkJd6PSc07D2ZQSemI="
+  },
+  {
+    "pname": "FSharp.Core",
+    "version": "9.0.300",
+    "hash": "sha256-eBGcd/OwlGuW2009Fb/ym813OWI9tHJXCY6oi4iGOyA="
+  },
+  {
+    "pname": "FSharp.SystemTextJson",
+    "version": "1.4.36",
+    "hash": "sha256-zZEhjP0mdc5E3fBPS4/lqD7sxoaoT5SOspP546RWYdc="
+  },
+  {
+    "pname": "FsUnit",
+    "version": "7.1.1",
+    "hash": "sha256-UMCEGKxQ4ytjmPuVpiNaAPbi3RQH9gqa61JJIUS/6hg="
+  },
+  {
+    "pname": "Microsoft.ApplicationInsights",
+    "version": "2.22.0",
+    "hash": "sha256-mUQ63atpT00r49ca50uZu2YCiLg3yd6r3HzTryqcuEA="
+  },
+  {
+    "pname": "Microsoft.AspNetCore.App.Ref",
+    "version": "6.0.36",
+    "hash": "sha256-9jDkWbjw/nd8yqdzVTagCuqr6owJ/DUMi4BlUZT4hWU="
+  },
+  {
+    "pname": "Microsoft.AspNetCore.App.Runtime.linux-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-JQULJyF0ivLoUU1JaFfK/HHg+/qzpN7V2RR2Cc+WlQ4="
+  },
+  {
+    "pname": "Microsoft.AspNetCore.App.Runtime.linux-x64",
+    "version": "6.0.36",
+    "hash": "sha256-zUsVIpV481vMLAXaLEEUpEMA9/f1HGOnvaQnaWdzlyY="
+  },
+  {
+    "pname": "Microsoft.AspNetCore.App.Runtime.osx-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-2seqZcz0JeUjkzh3QcGa9TcJ4LUafpFjTRk+Nm8T6T0="
+  },
+  {
+    "pname": "Microsoft.AspNetCore.App.Runtime.osx-x64",
+    "version": "6.0.36",
+    "hash": "sha256-yxLafxiBKkvfkDggPk0P9YZIHBkDJOsFTO7/V9mEHuU="
+  },
+  {
+    "pname": "Microsoft.CodeCoverage",
+    "version": "17.14.1",
+    "hash": "sha256-f8QytG8GvRoP47rO2KEmnDLxIpyesaq26TFjDdW40Gs="
+  },
+  {
+    "pname": "Microsoft.NET.Test.Sdk",
+    "version": "17.14.1",
+    "hash": "sha256-mZUzDFvFp7x1nKrcnRd0hhbNu5g8EQYt8SKnRgdhT/A="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Host.linux-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-9lC/LYnthYhjkWWz2kkFCvlA5LJOv11jdt59SDnpdy0="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Host.linux-x64",
+    "version": "6.0.36",
+    "hash": "sha256-VFRDzx7LJuvI5yzKdGmw/31NYVbwHWPKQvueQt5xc10="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Host.osx-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-DaSWwYACJGolEBuMhzDVCj/rQTdDt061xCVi+gyQnuo="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Host.osx-x64",
+    "version": "6.0.36",
+    "hash": "sha256-FrRny9EI6HKCKQbu6mcLj5w4ooSRrODD4Vj2ZMGnMd4="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Ref",
+    "version": "6.0.36",
+    "hash": "sha256-9LZgVoIFF8qNyUu8kdJrYGLutMF/cL2K82HN2ywwlx8="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Runtime.linux-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-k3rxvUhCEU0pVH8KgEMtkPiSOibn+nBh+0zT2xIfId8="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Runtime.linux-x64",
+    "version": "6.0.36",
+    "hash": "sha256-U8wJ2snSDFqeAgDVLXjnniidC7Cr5aJ1/h/BMSlyu0c="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Runtime.osx-arm64",
+    "version": "6.0.36",
+    "hash": "sha256-UfLcrL2Gj/OLz0s92Oo+OCJeDpZFAcQLPLiSNND8D5Y="
+  },
+  {
+    "pname": "Microsoft.NETCore.App.Runtime.osx-x64",
+    "version": "6.0.36",
+    "hash": "sha256-0xIJYFzxdMcnCj3wzkFRQZSnQcPHzPHMzePRIOA3oJs="
+  },
+  {
+    "pname": "Microsoft.NETCore.Platforms",
+    "version": "1.1.0",
+    "hash": "sha256-FeM40ktcObQJk4nMYShB61H/E8B7tIKfl9ObJ0IOcCM="
+  },
+  {
+    "pname": "Microsoft.NETCore.Platforms",
+    "version": "1.1.1",
+    "hash": "sha256-8hLiUKvy/YirCWlFwzdejD2Db3DaXhHxT7GSZx/znJg="
+  },
+  {
+    "pname": "Microsoft.NETCore.Platforms",
+    "version": "2.0.0",
+    "hash": "sha256-IEvBk6wUXSdyCnkj6tHahOJv290tVVT8tyemYcR0Yro="
+  },
+  {
+    "pname": "Microsoft.NETCore.Targets",
+    "version": "1.1.0",
+    "hash": "sha256-0AqQ2gMS8iNlYkrD+BxtIg7cXMnr9xZHtKAuN4bjfaQ="
+  },
+  {
+    "pname": "Microsoft.NETCore.Targets",
+    "version": "1.1.3",
+    "hash": "sha256-WLsf1NuUfRWyr7C7Rl9jiua9jximnVvzy6nk2D2bVRc="
+  },
+  {
+    "pname": "Microsoft.Testing.Extensions.Telemetry",
+    "version": "1.5.3",
+    "hash": "sha256-bIXwPSa3jkr2b6xINOqMUs6/uj/r4oVFM7xq3uVIZDU="
+  },
+  {
+    "pname": "Microsoft.Testing.Extensions.TrxReport.Abstractions",
+    "version": "1.5.3",
+    "hash": "sha256-IfMRfcyaIKEMRtx326ICKtinDBEfGw/Sv8ZHawJ96Yc="
+  },
+  {
+    "pname": "Microsoft.Testing.Extensions.VSTestBridge",
+    "version": "1.5.3",
+    "hash": "sha256-XpM/yFjhLSsuzyDV+xKubs4V1zVVYiV05E0+N4S1h0g="
+  },
+  {
+    "pname": "Microsoft.Testing.Platform",
+    "version": "1.5.3",
+    "hash": "sha256-y61Iih6w5D79dmrj2V675mcaeIiHoj1HSa1FRit2BLM="
+  },
+  {
+    "pname": "Microsoft.Testing.Platform.MSBuild",
+    "version": "1.5.3",
+    "hash": "sha256-YspvjE5Jfi587TAfsvfDVJXNrFOkx1B3y1CKV6m7YLY="
+  },
+  {
+    "pname": "Microsoft.TestPlatform.ObjectModel",
+    "version": "17.12.0",
+    "hash": "sha256-3XBHBSuCxggAIlHXmKNQNlPqMqwFlM952Av6RrLw1/w="
+  },
+  {
+    "pname": "Microsoft.TestPlatform.ObjectModel",
+    "version": "17.14.1",
+    "hash": "sha256-QMf6O+w0IT+16Mrzo7wn+N20f3L1/mDhs/qjmEo1rYs="
+  },
+  {
+    "pname": "Microsoft.TestPlatform.TestHost",
+    "version": "17.14.1",
+    "hash": "sha256-1cxHWcvHRD7orQ3EEEPPxVGEkTpxom1/zoICC9SInJs="
+  },
+  {
+    "pname": "Myriad.Core",
+    "version": "0.8.3",
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+  },
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+    "hash": "sha256-FkW/HtVp8/HE2k6d7yFpnJcnP3FNNe9kGlkoIWmNgDw="
+  }
+]

nix/deps.nix

@@ -1,339 +0,0 @@
-# This file was automatically generated by passthru.fetch-deps.
-# Please dont edit it manually, your changes might get overwritten!
-{fetchNuGet}: [
-  (fetchNuGet {
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