W260426/14.webpack/node_modules/webpack/lib/runtime/RuntimeIdRuntimeModule.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
*/

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const RuntimeModule = require("../RuntimeModule");

/** @import Chunk from "../Chunk" */
/** @import ChunkGraph from "../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;