Method runIteration

lib/Compilation.js:3989–4073

()

		/** @type {NotCodeGeneratedModules | undefined} */
		let notCodeGeneratedModules;
		const runIteration = () => {
			/** @type {CodeGenerationJobs} */
			let delayedJobs = [];
			/** @type {Set<Module>} */
			let delayedModules = new Set();
			asyncLib.eachLimit(
				jobs,
				this.options.parallelism,
				(job, callback) => {
					const { module } = job;
					const { codeGenerationDependencies } = module;
					if (
						codeGenerationDependencies !== undefined &&
						(notCodeGeneratedModules === undefined ||
							codeGenerationDependencies.some((dep) => {
								const referencedModule = /** @type {Module} */ (
									moduleGraph.getModule(dep)
								);
								return /** @type {NotCodeGeneratedModules} */ (
									notCodeGeneratedModules
								).has(referencedModule);
							}))
					) {
						delayedJobs.push(job);
						delayedModules.add(module);
						return callback();
					}
					const { hash, runtime, runtimes } = job;
					this._codeGenerationModule(
						module,
						runtime,
						runtimes,
						hash,
						dependencyTemplates,
						chunkGraph,
						moduleGraph,
						runtimeTemplate,
						errors,
						results,
						(err, codeGenerated) => {
							if (codeGenerated) statModulesGenerated++;
							else statModulesFromCache++;
							callback(err);
						}
					);
				},
				(err) => {
					if (err) return callback(/** @type {WebpackError} */ (err));
					if (delayedJobs.length > 0) {
						if (delayedJobs.length === jobs.length) {
							return callback(
								/** @type {WebpackError} */ (
									new Error(
										`Unable to make progress during code generation because of circular code generation dependency: ${Array.from(
											delayedModules,
											(m) => m.identifier()
										).join(class="st">", ")}`
									)