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ModuleFederationPlugin.js
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Tue, Feb 4, 09:07

ModuleFederationPlugin.js
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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 { validate } = require("schema-utils");
const schema = require("../../schemas/plugins/container/ModuleFederationPlugin.json");
const SharePlugin = require("../sharing/SharePlugin");
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 */
class ModuleFederationPlugin {
/**
* @param {ModuleFederationPluginOptions} options options
*/
constructor(options) {
validate(schema, options, { name: "Module Federation Plugin" });
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 &&
schema.definitions.ExternalsType.enum.includes(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,
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,
remotes: options.remotes
}).apply(compiler);
}
if (options.shared) {
new SharePlugin({
shared: options.shared,
shareScope: options.shareScope
}).apply(compiler);
}
});
}
}
module.exports = ModuleFederationPlugin;

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