test: lint all js files and inline scripts in workflow (#2442)

* Lint all js files

Closes #2414

* Lint inline scripts in workflow

* Upgrade eslint-plugin-actions to 1.0.1

Test plan:
1. Add `console` statement to the script in `.github/workflows/ci.yml`
2. Check `no-console` error is shown in `eslint`

.eslintignore

@@ -1,4 +1,5 @@
 **/node_modules/*
+**/flow-typed/*
 dist/*
 website/build/*
 website/lib/remarkable-katex.js

.eslintrc

@@ -5,7 +5,8 @@
     ],
     "extends": [
         "eslint:recommended",
-        "plugin:flowtype/recommended"
+        "plugin:flowtype/recommended",
+        "plugin:actions/recommended"
     ],
     "rules": {
         "arrow-spacing": 2,
@@ -101,6 +102,11 @@
         "rules": {
             "react/prop-types": 0
         }
+    }, {
+        "files": [".github/workflows/*.{yaml,yml}/**/*.js"],
+        "rules": {
+            "indent-legacy": [2, 4, {"SwitchCase": 1, "outerIIFEBody": 0}],
+        }
     }],
     "root": true
 }

package.json

@@ -39,6 +39,7 @@
     "css-loader": "^4.0.0",
     "cssnano": "^4.1.10",
     "eslint": "^7.4.0",
+    "eslint-plugin-actions": "^1.0.1",
     "eslint-plugin-flowtype": "^5.2.0",
     "eslint-plugin-react": "^7.20.3",
     "file-loader": "^6.0.0",
@@ -83,7 +84,7 @@
   "scripts": {
     "test": "yarn test:lint && yarn test:flow && yarn test:jest",
     "test:lint": "yarn test:lint:js && yarn test:lint:css",
-    "test:lint:js": "eslint *.js src static test contrib dockers website",
+    "test:lint:js": "eslint .",
     "test:lint:css": "stylelint src/katex.less static/main.css contrib/**/*.css website/static/**/*.css",
     "test:flow": "flow",
     "test:jest": "jest",

yarn.lock

@@ -4619,6 +4619,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"eslint-plugin-actions@npm:^1.0.1":
+  version: 1.0.1
+  resolution: "eslint-plugin-actions@npm:1.0.1"
+  dependencies:
+    yaml: ^1.10.0
+  peerDependencies:
+    eslint: ^6.7.0 || ^7.0.0
+  checksum: a869d6bad48a0d405a4521aecdf6cbb2cc213566711e72e8d7d809529724455bc1981845a57a61ff790bcedf03b7bd792e9daf8b11637003cf096b4d74365c88
+  languageName: node
+  linkType: hard
+
 "eslint-plugin-flowtype@npm:^5.2.0":
   version: 5.2.0
   resolution: "eslint-plugin-flowtype@npm:5.2.0"
@@ -7597,6 +7608,7 @@ fsevents@^1.2.7:
     css-loader: ^4.0.0
     cssnano: ^4.1.10
     eslint: ^7.4.0
+    eslint-plugin-actions: ^1.0.1
     eslint-plugin-flowtype: ^5.2.0
     eslint-plugin-react: ^7.20.3
     file-loader: ^6.0.0
@@ -13552,7 +13564,7 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
-"yaml@npm:^1.7.2":
+"yaml@npm:^1.10.0, yaml@npm:^1.7.2":
   version: 1.10.0
   resolution: "yaml@npm:1.10.0"
   checksum: d4cc9f9724f8d0aebc2cf52e4e6aa7059f12d50deb54b5225d103462fb2af36e5c0bb419101ca4b1f0cd3b4db9e4139cf2c690e863ac6227648d39d6f4e2522c