source: frontend/node_modules/webpack/lib/dependencies/HarmonyModulesPlugin.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const {
        JAVASCRIPT_MODULE_TYPE_AUTO,
        JAVASCRIPT_MODULE_TYPE_ESM
} = require("../ModuleTypeConstants");
const CreateRequireParserPlugin = require("./CreateRequireParserPlugin");
const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
const HarmonyCompatibilityDependency = require("./HarmonyCompatibilityDependency");
const HarmonyDetectionParserPlugin = require("./HarmonyDetectionParserPlugin");
const HarmonyEvaluatedImportSpecifierDependency = require("./HarmonyEvaluatedImportSpecifierDependency");
const HarmonyExportDependencyParserPlugin = require("./HarmonyExportDependencyParserPlugin");
const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
const HarmonyImportDependencyParserPlugin = require("./HarmonyImportDependencyParserPlugin");
const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");

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

/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../javascript/JavascriptParser")} Parser */

/**
 * Defines the harmony modules plugin options type used by this module.
 * @typedef {object} HarmonyModulesPluginOptions
 * @property {boolean=} deferImport
 */

const PLUGIN_NAME = "HarmonyModulesPlugin";

class HarmonyModulesPlugin {
        /**
         * Creates an instance of HarmonyModulesPlugin.
         * @param {HarmonyModulesPluginOptions} options options
         */
        constructor(options) {
                this.options = options;
        }

        /**
         * Applies the plugin by registering its hooks on the compiler.
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.compilation.tap(
                        PLUGIN_NAME,
                        (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.dependencyFactories.set(
                                        HarmonyEvaluatedImportSpecifierDependency,
                                        normalModuleFactory
                                );
                                compilation.dependencyTemplates.set(
                                        HarmonyEvaluatedImportSpecifierDependency,
                                        new HarmonyEvaluatedImportSpecifierDependency.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()
                                );

                                /**
                                 * Handles the hook callback for this code path.
                                 * @param {Parser} parser parser parser
                                 * @param {JavascriptParserOptions} parserOptions parserOptions
                                 * @returns {void}
                                 */
                                const handler = (parser, parserOptions) => {
                                        // TODO webpack 6: rename harmony to esm or module
                                        if (parserOptions.harmony !== undefined && !parserOptions.harmony) {
                                                return;
                                        }

                                        new HarmonyDetectionParserPlugin().apply(parser);
                                        new HarmonyImportDependencyParserPlugin(parserOptions).apply(parser);
                                        new HarmonyExportDependencyParserPlugin(parserOptions).apply(parser);
                                        new HarmonyTopLevelThisParserPlugin().apply(parser);
                                        if (parserOptions.createRequire) {
                                                new CreateRequireParserPlugin(parserOptions).apply(parser);
                                        }
                                };

                                normalModuleFactory.hooks.parser
                                        .for(JAVASCRIPT_MODULE_TYPE_AUTO)
                                        .tap(PLUGIN_NAME, handler);
                                normalModuleFactory.hooks.parser
                                        .for(JAVASCRIPT_MODULE_TYPE_ESM)
                                        .tap(PLUGIN_NAME, handler);
                        }
                );
        }
}

module.exports = HarmonyModulesPlugin;