Method build

lib/optimize/ConcatenatedModule.js:962–1081

* Builds the module using the provided compilation context. * @param {WebpackOptions} options webpack options * @param {Compilation} compilation the compilation * @param {ResolverWithOptions} resolver the resolver * @param {InputFileSystem} fs the file system * @param {BuildCallback} callb

(options, compilation, resolver, fs, callback)

	 * @returns {void}
	 */
	build(options, compilation, resolver, fs, callback) {
		const { rootModule } = this;
		const { moduleArgument, exportsArgument } =
			/** @type {BuildInfo} */
			(rootModule.buildInfo);
		/** @type {ConcatenatedModuleBuildInfo} */
		this.buildInfo = {
			strict: true,
			cacheable: true,
			moduleArgument,
			exportsArgument,
			fileDependencies: new LazySet(),
			contextDependencies: new LazySet(),
			missingDependencies: new LazySet(),
			topLevelDeclarations: new Set(),
			assets: undefined,
			inlineExports: /** @type {JavascriptModuleBuildInfo} */ (
				rootModule.buildInfo
			).inlineExports
		};
		this.buildMeta = rootModule.buildMeta;
		this.clearDependenciesAndBlocks();
		this.clearWarningsAndErrors();

		for (const m of this._modules) {
			// populate cacheable
			if (!(/** @type {BuildInfo} */ (m.buildInfo).cacheable)) {
				this.buildInfo.cacheable = false;
			}

			// populate dependencies
			for (const d of m.dependencies.filter(
				(dep) =>
					!Dependency.canConcatenate(dep) ||
					!this._modules.has(
						/** @type {Module} */
						(compilation.moduleGraph.getModule(dep))
					)
			)) {
				this.dependencies.push(d);
			}
			// populate codeGenerationDependencies — the inner modules'
			// templates are applied during ConcatenatedModule.codeGeneration,
			// so the referenced modules must have been code-generated by then.
			// Skip references that point back into the concat set itself.
			if (m.codeGenerationDependencies !== undefined) {
				for (const d of m.codeGenerationDependencies) {
					const referenced =
						/** @type {Module} */
						(compilation.moduleGraph.getModule(d));
					if (!this._modules.has(referenced)) {
						this.addCodeGenerationDependency(d);
					}
				}
			}
			// populate blocks
			for (const d of m.blocks) {
				this.blocks.push(d);