mirror of https://github.com/jkjoy/sunpeiwen.git
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Florent Cailhol @ooflorent
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*/
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"use strict";
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const ConstDependency = require("./ConstDependency");
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const HarmonyExports = require("./HarmonyExports");
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/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
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/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
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/** @typedef {import("../javascript/JavascriptParser").Range} Range */
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class HarmonyTopLevelThisParserPlugin {
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/**
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* @param {JavascriptParser} parser the parser
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* @returns {void}
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*/
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apply(parser) {
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parser.hooks.expression
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.for("this")
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.tap("HarmonyTopLevelThisParserPlugin", node => {
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if (!parser.scope.topLevelScope) return;
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if (HarmonyExports.isEnabled(parser.state)) {
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const dep = new ConstDependency(
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"undefined",
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/** @type {Range} */ (node.range),
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null
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);
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dep.loc = /** @type {DependencyLocation} */ (node.loc);
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parser.state.module.addPresentationalDependency(dep);
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return true;
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}
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});
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}
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}
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module.exports = HarmonyTopLevelThisParserPlugin;
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