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HarmonyModulesPlugin.js
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Sat, Feb 15, 19:25

HarmonyModulesPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
const HarmonyCompatibilityDependency = require("./HarmonyCompatibilityDependency");
const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
const HarmonyDetectionParserPlugin = require("./HarmonyDetectionParserPlugin");
const HarmonyExportDependencyParserPlugin = require("./HarmonyExportDependencyParserPlugin");
const HarmonyImportDependencyParserPlugin = require("./HarmonyImportDependencyParserPlugin");
const HarmonyTopLevelThisParserPlugin = require("./HarmonyTopLevelThisParserPlugin");
/** @typedef {import("../Compiler")} Compiler */
class HarmonyModulesPlugin {
constructor(options) {
this.options = options;
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"HarmonyModulesPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyTemplates.set(
HarmonyCompatibilityDependency,
new HarmonyCompatibilityDependency.Template()
);
compilation.dependencyFactories.set(
HarmonyImportSideEffectDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
HarmonyImportSideEffectDependency,
new HarmonyImportSideEffectDependency.Template()
);
compilation.dependencyFactories.set(
HarmonyImportSpecifierDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
HarmonyImportSpecifierDependency,
new HarmonyImportSpecifierDependency.Template()
);
compilation.dependencyTemplates.set(
HarmonyExportHeaderDependency,
new HarmonyExportHeaderDependency.Template()
);
compilation.dependencyTemplates.set(
HarmonyExportExpressionDependency,
new HarmonyExportExpressionDependency.Template()
);
compilation.dependencyTemplates.set(
HarmonyExportSpecifierDependency,
new HarmonyExportSpecifierDependency.Template()
);
compilation.dependencyFactories.set(
HarmonyExportImportedSpecifierDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
HarmonyExportImportedSpecifierDependency,
new HarmonyExportImportedSpecifierDependency.Template()
);
compilation.dependencyTemplates.set(
HarmonyAcceptDependency,
new HarmonyAcceptDependency.Template()
);
compilation.dependencyFactories.set(
HarmonyAcceptImportDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
HarmonyAcceptImportDependency,
new HarmonyAcceptImportDependency.Template()
);
const handler = (parser, parserOptions) => {
if (parserOptions.harmony !== undefined && !parserOptions.harmony)
return;
new HarmonyDetectionParserPlugin(this.options).apply(parser);
new HarmonyImportDependencyParserPlugin(this.options).apply(parser);
new HarmonyExportDependencyParserPlugin(this.options).apply(parser);
new HarmonyTopLevelThisParserPlugin().apply(parser);
};
normalModuleFactory.hooks.parser
.for("javascript/auto")
.tap("HarmonyModulesPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/esm")
.tap("HarmonyModulesPlugin", handler);
}
);
}
}
module.exports = HarmonyModulesPlugin;

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