/
githubmirror
/
webpack
Обзор
Документация
Войти
/
githubmirror
/
webpack
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
lib/prefetch/ChunkPrefetchFunctionRuntimeModule.js
57 строк
2 KB
Xiao
perf(runtime): skip IIFE wrapping for RuntimeModules without locals (#21633)
09 авг 2026, 17:30
Не верифицирован
09 авг 2026, 17:30
22b12df
Код
Авторство
О чём код?
/* MIT License http://www.opensource.org/licenses/mit-license.php */ "use strict"; const RuntimeModule = require("../RuntimeModule"); const Template = require("../Template"); /** @typedef {import("../Compilation")} Compilation */ class ChunkPrefetchFunctionRuntimeModule extends RuntimeModule { /** * Returns true, if the runtime module should get it's own scope. * When false, `generate()` must emit complete statements ending with `;` * so a following runtime IIFE is not parsed as a call (ASI). * @returns {boolean} true, if the runtime module should get it's own scope */ shouldIsolate() { return false; } /** * @param {"prefetch" | "preload"} type "prefetch" or "preload" chunk type function * @param {string} runtimeFunction the runtime function name * @param {string} runtimeHandlers the runtime handlers */ constructor(type, runtimeFunction, runtimeHandlers) { super(`chunk ${type} function`); /** @type {string} */ this.runtimeFunction = runtimeFunction; /** @type {string} */ this.runtimeHandlers = runtimeHandlers; } /** * Generates runtime code for this runtime module. * @returns {string | null} runtime code */ generate() { const { runtimeFunction, runtimeHandlers } = this; const compilation = /** @type {Compilation} */ (this.compilation); const { runtimeTemplate } = compilation; return Template.asString([ `${runtimeHandlers} = {};`, `${runtimeFunction} = ${runtimeTemplate.basicFunction("chunkId", [ // map is shorter than forEach `Object.keys(${runtimeHandlers}).map(${runtimeTemplate.basicFunction( "key", `${runtimeHandlers}[key](chunkId);` )});` ])};` ]); } } module.exports = ChunkPrefetchFunctionRuntimeModule;