source: trip-planner-front/node_modules/webpack/lib/ids/NamedModuleIdsPlugin.js@ fa375fe

/*
        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,
        getUsedModuleIds,
        assignAscendingModuleIds
} = require("./IdHelpers");

/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */

class NamedModuleIdsPlugin {
        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 => {
                        compilation.hooks.moduleIds.tap("NamedModuleIdsPlugin", modules => {
                                const chunkGraph = compilation.chunkGraph;
                                const context = this.options.context
                                        ? this.options.context
                                        : compiler.context;

                                const unnamedModules = assignNames(
                                        Array.from(modules).filter(module => {
                                                if (!module.needId) return false;
                                                if (chunkGraph.getNumberOfModuleChunks(module) === 0) return false;
                                                return chunkGraph.getModuleId(module) === null;
                                        }),
                                        m => getShortModuleName(m, context, root),
                                        (m, shortName) => getLongModuleName(shortName, m, context, root),
                                        compareModulesByIdentifier,
                                        getUsedModuleIds(compilation),
                                        (m, name) => chunkGraph.setModuleId(m, name)
                                );
                                if (unnamedModules.length > 0) {
                                        assignAscendingModuleIds(unnamedModules, compilation);
                                }
                        });
                });
        }
}

module.exports = NamedModuleIdsPlugin;