Method generate

lib/runtime/LoadScriptRuntimeModule.js:38–155

* Generates runtime code for this runtime module. * @returns {string | null} runtime code

()

	 * @returns {string | null} runtime code
	 */
	generate() {
		const compilation = /** @type {Compilation} */ (this.compilation);
		const { runtimeTemplate, outputOptions } = compilation;
		const {
			scriptType,
			chunkLoadTimeout: loadTimeout,
			crossOriginLoading,
			uniqueName,
			charset
		} = outputOptions;
		const fn = RuntimeGlobals.loadScript;

		const { createScript } =
			LoadScriptRuntimeModule.getCompilationHooks(compilation);

		const code = Template.asString([
			"script = document.createElement('script');",
			scriptType ? `script.type = ${JSON.stringify(scriptType)};` : "",
			charset ? "script.charset = 'utf-8';" : "",
			`if (${RuntimeGlobals.scriptNonce}) {`,
			Template.indent(
				`script.setAttribute("nonce", ${RuntimeGlobals.scriptNonce});`
			),
			"}",
			uniqueName
				? 'script.setAttribute("data-webpack", dataWebpackPrefix + key);'
				: "",
			this._withFetchPriority
				? Template.asString([
						"if(fetchPriority) {",
						Template.indent(
							'script.setAttribute("fetchpriority", fetchPriority);'
						),
						"}"
					])
				: "",
			`script.src = ${
				this._withCreateScriptUrl
					? `${RuntimeGlobals.createScriptUrl}(url)`
					: "url"
			};`,
			crossOriginLoading
				? crossOriginLoading === "use-credentials"
					? 'script.crossOrigin = "use-credentials";'
					: Template.asString([
							"if (script.src.indexOf(window.location.origin + '/') !== 0) {",
							Template.indent(
								`script.crossOrigin = ${JSON.stringify(crossOriginLoading)};`
							),
							"}"
						])
				: ""
		]);

		const cst = runtimeTemplate.renderConst();
		const lt = runtimeTemplate.renderLet();
		return Template.asString([
			`${cst} inProgress = {};`,