60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
var transform = require("../transform");
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var traverse = require("../traverse");
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var util = require("../util");
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var _ = require("lodash");
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var isLet = function (node) {
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if (node.type === "VariableDeclaration" && node.kind === "let") {
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node.kind = "var";
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return true;
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}
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};
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exports.Program = function (node) {
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_.each(node.body, isLet);
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};
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exports.BlockStatement = function (node, parent) {
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var hasLet = false;
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_.each(node.body, function (bodyNode) {
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if (isLet(bodyNode)) hasLet = true;
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});
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if (!hasLet) return;
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// ignore if we're direct children of a closure already
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if (parent.type === "FunctionExpression") return;
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node.body = [buildNode(node.body)];
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};
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exports.ForInStatement = function (node) {
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if (isLet(node.left)) return buildNode(node);
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};
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exports.ForStatement = function (node) {
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if (isLet(node.init)) return buildNode(node);
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};
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var buildNode = function (node) {
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var func = {
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type: "FunctionExpression",
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params: [],
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defaults: [],
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body: {
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type: "BlockStatement",
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body: [].concat(node)
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}
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};
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var templateName = "function-call";
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if (traverse.hasType(node, "ThisExpression")) {
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templateName = "function-call-this";
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}
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return util.template(templateName, {
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FUNCTION: func
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}, true);
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};
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