source: trip-planner-front/node_modules/webpack/lib/FlagEntryExportAsUsedPlugin.js@ 1ad8e64

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

"use strict";

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

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

class FlagEntryExportAsUsedPlugin {
        constructor(nsObjectUsed, explanation) {
                this.nsObjectUsed = nsObjectUsed;
                this.explanation = explanation;
        }

        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.thisCompilation.tap(
                        "FlagEntryExportAsUsedPlugin",
                        compilation => {
                                const moduleGraph = compilation.moduleGraph;
                                compilation.hooks.seal.tap("FlagEntryExportAsUsedPlugin", () => {
                                        for (const [
                                                entryName,
                                                { dependencies: deps, options }
                                        ] of compilation.entries) {
                                                const runtime = getEntryRuntime(compilation, entryName, options);
                                                for (const dep of deps) {
                                                        const module = moduleGraph.getModule(dep);
                                                        if (module) {
                                                                const exportsInfo = moduleGraph.getExportsInfo(module);
                                                                if (this.nsObjectUsed) {
                                                                        exportsInfo.setUsedInUnknownWay(runtime);
                                                                } else {
                                                                        exportsInfo.setAllKnownExportsUsed(runtime);
                                                                }
                                                                moduleGraph.addExtraReason(module, this.explanation);
                                                        }
                                                }
                                        }
                                });
                        }
                );
        }
}

module.exports = FlagEntryExportAsUsedPlugin;