Method generate

lib/html/HtmlGenerator.js:415–463

* Generates generated code for this runtime module. * @param {NormalModule} module module for which the code should be generated * @param {GenerateContext} generateContext context for generate * @returns {Source | null} generated code

(module, generateContext)

	 * @returns {Source | null} generated code
	 */
	generate(module, generateContext) {
		const originalSource = module.originalSource();

		if (!originalSource) {
			return new RawSource("");
		}

		if (generateContext.type === HTML_TYPE) {
			// Preserve `[webpack/auto]`; renderManifest resolves it once `.html` filename is known.
			return new RawSource(
				this._renderHtml(module, generateContext, undefined)
			);
		}

		// JS export: resolve `[webpack/auto]` to root-relative URLs.
		const generated = this._renderHtml(module, generateContext, "");

		/** @type {string} */
		let sourceContent;
		// `module.hot` is set by `HotModuleReplacementPlugin` on every module
		// when HMR is enabled. When set, we cannot use the concatenation path
		// (it merges into a parent's module scope, where `module.hot.accept`
		// would target the wrong id) — `getConcatenationBailoutReason` keeps
		// us out of concatenation in that case.
		if (generateContext.concatenationScope && !module.hot) {
			generateContext.concatenationScope.registerNamespaceExport(
				ConcatenationScope.NAMESPACE_OBJECT_EXPORT
			);
			sourceContent = `${generateContext.runtimeTemplate.renderConst()} ${
				ConcatenationScope.NAMESPACE_OBJECT_EXPORT
			} = ${JSON.stringify(generated)};`;
		} else {
			generateContext.runtimeRequirements.add(RuntimeGlobals.module);
			if (module.hot) {
				sourceContent = this._renderHmrShim(
					module,
					generated,
					this._shouldExtract(module),
					generateContext.runtimeTemplate
				);
			} else {
				sourceContent = `${module.moduleArgument}.exports = ${JSON.stringify(
					generated
				)};`;
			}
		}

		return new RawSource(sourceContent);
	}

	/**
	 * Emits the JS shim with HMR self-acceptance. When `extracting` is true the