init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Naoyuki Kanezawa @nkzawa
*/
 
"use strict";
 
const EntryOptionPlugin = require("./EntryOptionPlugin");
const EntryPlugin = require("./EntryPlugin");
const EntryDependency = require("./dependencies/EntryDependency");
 
/** @typedef {import("../declarations/WebpackOptions").EntryDynamicNormalized} EntryDynamic */
/** @typedef {import("../declarations/WebpackOptions").EntryItem} EntryItem */
/** @typedef {import("../declarations/WebpackOptions").EntryStaticNormalized} EntryStatic */
/** @typedef {import("./Compiler")} Compiler */
 
class DynamicEntryPlugin {
    /**
     * @param {string} context the context path
     * @param {EntryDynamic} entry the entry value
     */
    constructor(context, entry) {
        this.context = context;
        this.entry = entry;
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        compiler.hooks.compilation.tap(
            "DynamicEntryPlugin",
            (compilation, { normalModuleFactory }) => {
                compilation.dependencyFactories.set(
                    EntryDependency,
                    normalModuleFactory
                );
            }
        );
 
        compiler.hooks.make.tapPromise(
            "DynamicEntryPlugin",
            (compilation, callback) =>
                Promise.resolve(this.entry())
                    .then(entry => {
                        const promises = [];
                        for (const name of Object.keys(entry)) {
                            const desc = entry[name];
                            const options = EntryOptionPlugin.entryDescriptionToOptions(
                                compiler,
                                name,
                                desc
                            );
                            for (const entry of desc.import) {
                                promises.push(
                                    new Promise((resolve, reject) => {
                                        compilation.addEntry(
                                            this.context,
                                            EntryPlugin.createDependency(entry, options),
                                            options,
                                            err => {
                                                if (err) return reject(err);
                                                resolve();
                                            }
                                        );
                                    })
                                );
                            }
                        }
                        return Promise.all(promises);
                    })
                    .then(x => {})
        );
    }
}
 
module.exports = DynamicEntryPlugin;