mirror of https://github.com/webpack/webpack.git
95 lines
2.8 KiB
JavaScript
95 lines
2.8 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Naoyuki Kanezawa @nkzawa
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*/
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"use strict";
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const MultiEntryDependency = require("./dependencies/MultiEntryDependency");
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const SingleEntryDependency = require("./dependencies/SingleEntryDependency");
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const MultiModuleFactory = require("./MultiModuleFactory");
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const MultiEntryPlugin = require("./MultiEntryPlugin");
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const SingleEntryPlugin = require("./SingleEntryPlugin");
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/** @typedef {import("../declarations/WebpackOptions").EntryDynamic} EntryDynamic */
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/** @typedef {import("../declarations/WebpackOptions").EntryStatic} EntryStatic */
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/** @typedef {import("./Compiler")} Compiler */
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class DynamicEntryPlugin {
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/**
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* @param {string} context the context path
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* @param {EntryDynamic} entry the entry value
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*/
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constructor(context, entry) {
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this.context = context;
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this.entry = entry;
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}
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/**
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(
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"DynamicEntryPlugin",
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(compilation, { normalModuleFactory }) => {
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const multiModuleFactory = new MultiModuleFactory();
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compilation.dependencyFactories.set(
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MultiEntryDependency,
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multiModuleFactory
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);
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compilation.dependencyFactories.set(
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SingleEntryDependency,
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normalModuleFactory
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);
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}
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);
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compiler.hooks.make.tapAsync(
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"DynamicEntryPlugin",
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(compilation, callback) => {
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/**
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* @param {string|string[]} entry entry value or array of entry values
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* @param {string} name name of entry
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* @returns {Promise<EntryStatic>} returns the promise resolving the Compilation#addEntry function
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*/
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const addEntry = (entry, name) => {
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const dep = DynamicEntryPlugin.createDependency(entry, name);
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return new Promise((resolve, reject) => {
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compilation.addEntry(this.context, dep, name, err => {
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if (err) return reject(err);
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resolve();
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});
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});
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};
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Promise.resolve(this.entry()).then(entry => {
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if (typeof entry === "string" || Array.isArray(entry)) {
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addEntry(entry, "main").then(() => callback(), callback);
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} else if (typeof entry === "object") {
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Promise.all(
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Object.keys(entry).map(name => {
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return addEntry(entry[name], name);
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})
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).then(() => callback(), callback);
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}
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});
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}
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);
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}
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}
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module.exports = DynamicEntryPlugin;
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/**
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* @param {string|string[]} entry entry value or array of entry paths
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* @param {string} name name of entry
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* @returns {SingleEntryDependency|MultiEntryDependency} returns dep
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*/
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DynamicEntryPlugin.createDependency = (entry, name) => {
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if (Array.isArray(entry)) {
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return MultiEntryPlugin.createDependency(entry, name);
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} else {
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return SingleEntryPlugin.createDependency(entry, name);
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}
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};
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