source: trip-planner-front/node_modules/webpack/lib/FlagAllModulesAsUsedPlugin.js@ 84d0fbb

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const { getEntryRuntime, mergeRuntimeOwned } = require("./util/runtime");

/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */

class FlagAllModulesAsUsedPlugin {
        constructor(explanation) {
                this.explanation = explanation;
        }

        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.compilation.tap(
                        "FlagAllModulesAsUsedPlugin",
                        compilation => {
                                const moduleGraph = compilation.moduleGraph;
                                compilation.hooks.optimizeDependencies.tap(
                                        "FlagAllModulesAsUsedPlugin",
                                        modules => {
                                                /** @type {RuntimeSpec} */
                                                let runtime = undefined;
                                                for (const [name, { options }] of compilation.entries) {
                                                        runtime = mergeRuntimeOwned(
                                                                runtime,
                                                                getEntryRuntime(compilation, name, options)
                                                        );
                                                }
                                                for (const module of modules) {
                                                        const exportsInfo = moduleGraph.getExportsInfo(module);
                                                        exportsInfo.setUsedInUnknownWay(runtime);
                                                        moduleGraph.addExtraReason(module, this.explanation);
                                                        if (module.factoryMeta === undefined) {
                                                                module.factoryMeta = {};
                                                        }
                                                        module.factoryMeta.sideEffectFree = false;
                                                }
                                        }
                                );
                        }
                );
        }
}

module.exports = FlagAllModulesAsUsedPlugin;