/
HarmonyCompatibilityDependency.js
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/
HarmonyCompatibilityDependency.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const InitFragment = require("../InitFragment");
const RuntimeGlobals = require("../RuntimeGlobals");
const AsyncModuleInitFragment = require("../async-modules/AsyncModuleInitFragment");
const makeSerializable = require("../util/makeSerializable");
const NullDependency = require("./NullDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../Module")} Module */
class HarmonyCompatibilityDependency extends NullDependency {
constructor() {
super();
this.hasAwait = false;
}
get type() {
return "harmony export header";
}
}
makeSerializable(
HarmonyCompatibilityDependency,
"webpack/lib/dependencies/HarmonyCompatibilityDependency"
);
HarmonyCompatibilityDependency.Template = class HarmonyExportDependencyTemplate extends NullDependency.Template {
/**
* @param {Dependency} dependency the dependency for which the template should be applied
* @param {ReplaceSource} source the current replace source which can be modified
* @param {DependencyTemplateContext} templateContext the context object
* @returns {void}
*/
apply(
dependency,
source,
{ module, runtimeTemplate, moduleGraph, initFragments, runtimeRequirements }
) {
const dep = /** @type {HarmonyCompatibilityDependency} */ (dependency);
const usedExports = moduleGraph.getUsedExports(module);
if (usedExports === true || usedExports === null) {
const content = runtimeTemplate.defineEsModuleFlagStatement({
exportsArgument: module.exportsArgument,
runtimeRequirements
});
initFragments.push(
new InitFragment(
content,
InitFragment.STAGE_HARMONY_EXPORTS,
0,
"harmony compatibility"
)
);
}
if (module.buildMeta.exportsType === "async") {
runtimeRequirements.add(RuntimeGlobals.module);
initFragments.push(
new AsyncModuleInitFragment(module.moduleArgument, dep.hasAwait, [])
);
}
}
};
module.exports = HarmonyCompatibilityDependency;