init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra and Zackary Jackson @ScriptedAlchemy
*/
 
"use strict";
 
const isValidExternalsType = require("../../schemas/plugins/container/ExternalsType.check.js");
const SharePlugin = require("../sharing/SharePlugin");
const createSchemaValidation = require("../util/create-schema-validation");
const ContainerPlugin = require("./ContainerPlugin");
const ContainerReferencePlugin = require("./ContainerReferencePlugin");
 
/** @typedef {import("../../declarations/plugins/container/ModuleFederationPlugin").ExternalsType} ExternalsType */
/** @typedef {import("../../declarations/plugins/container/ModuleFederationPlugin").ModuleFederationPluginOptions} ModuleFederationPluginOptions */
/** @typedef {import("../../declarations/plugins/container/ModuleFederationPlugin").Shared} Shared */
/** @typedef {import("../Compiler")} Compiler */
 
const validate = createSchemaValidation(
    require("../../schemas/plugins/container/ModuleFederationPlugin.check.js"),
    () => require("../../schemas/plugins/container/ModuleFederationPlugin.json"),
    {
        name: "Module Federation Plugin",
        baseDataPath: "options"
    }
);
class ModuleFederationPlugin {
    /**
     * @param {ModuleFederationPluginOptions} options options
     */
    constructor(options) {
        validate(options);
 
        this._options = options;
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        const { _options: options } = this;
        const library = options.library || { type: "var", name: options.name };
        const remoteType =
            options.remoteType ||
            (options.library && isValidExternalsType(options.library.type)
                ? /** @type {ExternalsType} */ (options.library.type)
                : "script");
        if (
            library &&
            !compiler.options.output.enabledLibraryTypes.includes(library.type)
        ) {
            compiler.options.output.enabledLibraryTypes.push(library.type);
        }
        compiler.hooks.afterPlugins.tap("ModuleFederationPlugin", () => {
            if (
                options.exposes &&
                (Array.isArray(options.exposes)
                    ? options.exposes.length > 0
                    : Object.keys(options.exposes).length > 0)
            ) {
                new ContainerPlugin({
                    name: options.name,
                    library,
                    filename: options.filename,
                    runtime: options.runtime,
                    shareScope: options.shareScope,
                    exposes: options.exposes
                }).apply(compiler);
            }
            if (
                options.remotes &&
                (Array.isArray(options.remotes)
                    ? options.remotes.length > 0
                    : Object.keys(options.remotes).length > 0)
            ) {
                new ContainerReferencePlugin({
                    remoteType,
                    shareScope: options.shareScope,
                    remotes: options.remotes
                }).apply(compiler);
            }
            if (options.shared) {
                new SharePlugin({
                    shared: options.shared,
                    shareScope: options.shareScope
                }).apply(compiler);
            }
        });
    }
}
 
module.exports = ModuleFederationPlugin;