source: imaps-frontend/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js@ 79a0317

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

"use strict";

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

class RuntimeChunkPlugin {
        /**
         * @param {{ name?: (entrypoint: { name: string }) => string }} options options
         */
        constructor(options) {
                this.options = {
                        /**
                         * @param {Entrypoint} entrypoint entrypoint name
                         * @returns {string} runtime chunk name
                         */
                        name: entrypoint => `runtime~${entrypoint.name}`,
                        ...options
                };
        }

        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.thisCompilation.tap("RuntimeChunkPlugin", compilation => {
                        compilation.hooks.addEntry.tap(
                                "RuntimeChunkPlugin",
                                (_, { name: entryName }) => {
                                        if (entryName === undefined) return;
                                        const data =
                                                /** @type {EntryData} */
                                                (compilation.entries.get(entryName));
                                        if (data.options.runtime === undefined && !data.options.dependOn) {
                                                // Determine runtime chunk name
                                                let name =
                                                        /** @type {string | ((entrypoint: { name: string }) => string)} */
                                                        (this.options.name);
                                                if (typeof name === "function") {
                                                        name = name({ name: entryName });
                                                }
                                                data.options.runtime = name;
                                        }
                                }
                        );
                });
        }
}

module.exports = RuntimeChunkPlugin;