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lib/runtime/RuntimeIdRuntimeModule.js
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Xiao
perf(runtime): skip IIFE wrapping for RuntimeModules without locals (#21633)
09 авг 2026, 17:30
Не верифицирован
09 авг 2026, 17:30
22b12df
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/* MIT License http://www.opensource.org/licenses/mit-license.php */ "use strict"; const RuntimeGlobals = require("../RuntimeGlobals"); const RuntimeModule = require("../RuntimeModule"); /** @typedef {import("../Chunk")} Chunk */ /** @typedef {import("../ChunkGraph")} ChunkGraph */ class RuntimeIdRuntimeModule extends RuntimeModule { constructor() { super("runtimeId"); } /** * 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; } /** * Generates runtime code for this runtime module. * @returns {string | null} runtime code */ generate() { const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph); const chunk = /** @type {Chunk} */ (this.chunk); const runtime = chunk.runtime; if (typeof runtime !== "string") { throw new Error("RuntimeIdRuntimeModule must be in a single runtime"); } const id = chunkGraph.getRuntimeId(runtime); return `${RuntimeGlobals.runtimeId} = ${JSON.stringify(id)};`; } } module.exports = RuntimeIdRuntimeModule;