webpack/lib/dependencies/HarmonyTopLevelThisParserPl...

28 lines
715 B
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Florent Cailhol @ooflorent
*/
"use strict";
const ConstDependency = require("./ConstDependency");
const HarmonyExports = require("./HarmonyExports");
class HarmonyTopLevelThisParserPlugin {
apply(parser) {
parser.hooks.expression
.for("this")
.tap("HarmonyTopLevelThisParserPlugin", node => {
if (!parser.scope.topLevelScope) return;
if (HarmonyExports.isEnabled(parser.state)) {
const dep = new ConstDependency("undefined", node.range, null);
dep.loc = node.loc;
parser.state.module.addPresentationalDependency(dep);
return this;
}
});
}
}
module.exports = HarmonyTopLevelThisParserPlugin;