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Viewing / Editing File: HarmonyModulesPlugin.js

/*
	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) => {
					// TODO webpack 6: rename harmony to esm or module
					if (parserOptions.harmony !== undefined && !parserOptions.harmony)
						return;

new HarmonyDetectionParserPlugin(this.options).apply(parser);
					new HarmonyImportDependencyParserPlugin(parserOptions).apply(parser);
					new HarmonyExportDependencyParserPlugin(parserOptions).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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