webpack/lib/dependencies/HarmonyModulesPlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";
const HarmonyCompatibilityDependency = require("./HarmonyCompatibilityDependency");
const HarmonyInitDependency = require("./HarmonyInitDependency");
const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");

const NullFactory = require("../NullFactory");

const HarmonyDetectionParserPlugin = require("./HarmonyDetectionParserPlugin");
const HarmonyImportDependencyParserPlugin = require("./HarmonyImportDependencyParserPlugin");
const HarmonyExportDependencyParserPlugin = require("./HarmonyExportDependencyParserPlugin");

class HarmonyModulesPlugin {
	constructor(options) {
		this.options = options;
	}

	apply(compiler) {
		compiler.hooks.compilation.tap("HarmonyModulesPlugin", (compilation, {
			normalModuleFactory
		}) => {
			compilation.dependencyFactories.set(HarmonyCompatibilityDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyCompatibilityDependency, new HarmonyCompatibilityDependency.Template());

			compilation.dependencyFactories.set(HarmonyInitDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyInitDependency, new HarmonyInitDependency.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.dependencyFactories.set(HarmonyExportHeaderDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyExportHeaderDependency, new HarmonyExportHeaderDependency.Template());

			compilation.dependencyFactories.set(HarmonyExportExpressionDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyExportExpressionDependency, new HarmonyExportExpressionDependency.Template());

			compilation.dependencyFactories.set(HarmonyExportSpecifierDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyExportSpecifierDependency, new HarmonyExportSpecifierDependency.Template());

			compilation.dependencyFactories.set(HarmonyExportImportedSpecifierDependency, normalModuleFactory);
			compilation.dependencyTemplates.set(HarmonyExportImportedSpecifierDependency, new HarmonyExportImportedSpecifierDependency.Template());

			compilation.dependencyFactories.set(HarmonyAcceptDependency, new NullFactory());
			compilation.dependencyTemplates.set(HarmonyAcceptDependency, new HarmonyAcceptDependency.Template());

			compilation.dependencyFactories.set(HarmonyAcceptImportDependency, normalModuleFactory);
			compilation.dependencyTemplates.set(HarmonyAcceptImportDependency, new HarmonyAcceptImportDependency.Template());

			const handler = (parser, parserOptions) => {
				if(typeof parserOptions.harmony !== "undefined" && !parserOptions.harmony)
					return;

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

			normalModuleFactory.hooks.parser.for("javascript/auto").tap("HarmonyModulesPlugin", handler);
			normalModuleFactory.hooks.parser.for("javascript/esm").tap("HarmonyModulesPlugin", handler);
		});
	}
}
module.exports = HarmonyModulesPlugin;