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
*/
 
"use strict";
 
const { compareModulesByIdentifier } = require("../util/comparators");
const {
    getShortModuleName,
    getLongModuleName,
    assignNames,
    getUsedModuleIdsAndModules,
    assignAscendingModuleIds
} = require("./IdHelpers");
 
/** @typedef {import("../../declarations/WebpackOptions").OutputNormalized} Output */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
 
/**
 * @typedef {Object} NamedModuleIdsPluginOptions
 * @property {string} [context] context
 */
 
class NamedModuleIdsPlugin {
    /**
     * @param {NamedModuleIdsPluginOptions} [options] options
     */
    constructor(options = {}) {
        this.options = options;
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        const { root } = compiler;
        compiler.hooks.compilation.tap("NamedModuleIdsPlugin", compilation => {
            const hashFunction =
                /** @type {NonNullable<Output["hashFunction"]>} */
                (compilation.outputOptions.hashFunction);
            compilation.hooks.moduleIds.tap("NamedModuleIdsPlugin", () => {
                const chunkGraph = compilation.chunkGraph;
                const context = this.options.context
                    ? this.options.context
                    : compiler.context;
 
                const [usedIds, modules] = getUsedModuleIdsAndModules(compilation);
                const unnamedModules = assignNames(
                    modules,
                    m => getShortModuleName(m, context, root),
                    (m, shortName) =>
                        getLongModuleName(shortName, m, context, hashFunction, root),
                    compareModulesByIdentifier,
                    usedIds,
                    (m, name) => chunkGraph.setModuleId(m, name)
                );
                if (unnamedModules.length > 0) {
                    assignAscendingModuleIds(usedIds, unnamedModules, compilation);
                }
            });
        });
    }
}
 
module.exports = NamedModuleIdsPlugin;