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Move "xArrow" into functions/arrow.js and add flow types. (#1327)

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* Move "xArrow" into functions/arrow.js.

* Add flow types to functions/arrow.js.

* Address review comments.
This commit is contained in:
Ashish Myles
2018-05-19 22:41:39 -04:00
committed by Kevin Barabash
parent 35d6181a95
commit 28dfa91fb5
5 changed files with 132 additions and 111 deletions
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24
src/buildMathML.js
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@@ -280,30 +280,6 @@ groupTypes.horizBrace = function(group, options) {
);
};
groupTypes.xArrow = function(group, options) {
const arrowNode = stretchy.mathMLnode(group.value.label);
let node;
let lowerNode;
if (group.value.body) {
const upperNode = buildGroup(group.value.body, options);
if (group.value.below) {
lowerNode = buildGroup(group.value.below, options);
node = new mathMLTree.MathNode(
"munderover", [arrowNode, lowerNode, upperNode]
);
} else {
node = new mathMLTree.MathNode("mover", [arrowNode, upperNode]);
}
} else if (group.value.below) {
lowerNode = buildGroup(group.value.below, options);
node = new mathMLTree.MathNode("munder", [arrowNode, lowerNode]);
} else {
node = new mathMLTree.MathNode("mover", [arrowNode]);
}
return node;
};
groupTypes.tag = function(group, options) {
const table = new mathMLTree.MathNode("mtable", [
new mathMLTree.MathNode("mlabeledtr", [