Commit node_modules

paige/node_modules/katex/src/buildTree.js

@@ -0,0 +1,67 @@
+// @flow
+import buildHTML from "./buildHTML";
+import buildMathML from "./buildMathML";
+import buildCommon from "./buildCommon";
+import Options from "./Options";
+import Settings from "./Settings";
+import Style from "./Style";
+
+import type {AnyParseNode} from "./parseNode";
+import type {DomSpan} from "./domTree";
+
+const optionsFromSettings = function(settings: Settings) {
+    return new Options({
+        style: (settings.displayMode ? Style.DISPLAY : Style.TEXT),
+        maxSize: settings.maxSize,
+        minRuleThickness: settings.minRuleThickness,
+    });
+};
+
+const displayWrap = function(node: DomSpan, settings: Settings): DomSpan {
+    if (settings.displayMode) {
+        const classes = ["katex-display"];
+        if (settings.leqno) {
+            classes.push("leqno");
+        }
+        if (settings.fleqn) {
+            classes.push("fleqn");
+        }
+        node = buildCommon.makeSpan(classes, [node]);
+    }
+    return node;
+};
+
+export const buildTree = function(
+    tree: AnyParseNode[],
+    expression: string,
+    settings: Settings,
+): DomSpan {
+    const options = optionsFromSettings(settings);
+    let katexNode;
+    if (settings.output === "mathml") {
+        return  buildMathML(tree, expression, options, settings.displayMode, true);
+    } else if (settings.output === "html") {
+        const htmlNode = buildHTML(tree, options);
+        katexNode = buildCommon.makeSpan(["katex"], [htmlNode]);
+    } else {
+        const mathMLNode = buildMathML(tree, expression, options,
+            settings.displayMode, false);
+        const htmlNode = buildHTML(tree, options);
+        katexNode = buildCommon.makeSpan(["katex"], [mathMLNode, htmlNode]);
+    }
+
+    return displayWrap(katexNode, settings);
+};
+
+export const buildHTMLTree = function(
+    tree: AnyParseNode[],
+    expression: string,
+    settings: Settings,
+): DomSpan {
+    const options = optionsFromSettings(settings);
+    const htmlNode = buildHTML(tree, options);
+    const katexNode = buildCommon.makeSpan(["katex"], [htmlNode]);
+    return displayWrap(katexNode, settings);
+};
+
+export default buildTree;