Method build

lib/hmr/LazyCompilationPlugin.js:311–340

* 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) {
		this.buildInfo = {
			active: this.active
		};
		/** @type {BuildMeta} */
		this.buildMeta = {};
		this.clearDependenciesAndBlocks();
		const dep = new CommonJsRequireDependency(this.client);
		this.addDependency(dep);
		if (this.active) {
			const dep = new LazyCompilationDependency(this);
			const block = new AsyncDependenciesBlock({});
			block.addDependency(dep);
			this.addBlock(block);
		} else if (hasClosureLibrary(compilation.options.output)) {
			// Reserve statically-declared externals as dependencies of the inactive
			// proxy so the initial entry chunk's library wrapper already exposes
			// their closure identifiers (e.g. `__WEBPACK_EXTERNAL_MODULE_react__`).
			// Once the proxy activates and the lazily-built module references those
			// externals, the identifiers resolve normally instead of throwing.
			const requests = collectStaticExternalRequests(
				options.externals,
				this.layer
			);
			for (const request of requests) {
				this.addDependency(new CommonJsRequireDependency(request));
			}
		}
		callback();
	}

	/**
	 * Returns the source types this module can generate.