source: imaps-frontend/node_modules/webpack/lib/ids/NamedModuleIdsPlugin.js

/*
        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;