Function buildChunkGraph

lib/buildChunkGraph.js:1425–1482

(compilation, inputEntrypointsAndModules)

 * @returns {void}
 */
const buildChunkGraph = (compilation, inputEntrypointsAndModules) => {
	const logger = compilation.getLogger(class="st">"webpack.buildChunkGraph");

	class="cm">// SHARED STATE

	/** @type {BlockConnections} */
	const blockConnections = new Map();

	/** @type {AllCreatedChunkGroups} */
	const allCreatedChunkGroups = new Set();

	/** @type {ChunkGroupInfoMap} */
	const chunkGroupInfoMap = new Map();

	/** @type {BlocksWithNestedBlocks} */
	const blocksWithNestedBlocks = new Set();

	/** @type {MaskByChunk} */
	const maskByChunk = new Map();

	class="cm">// PART ONE

	logger.time(class="st">"visitModules");
	visitModules(
		logger,
		compilation,
		inputEntrypointsAndModules,
		chunkGroupInfoMap,
		blockConnections,
		blocksWithNestedBlocks,
		allCreatedChunkGroups,
		maskByChunk
	);
	logger.timeEnd(class="st">"visitModules");

	class="cm">// PART TWO

	logger.time(class="st">"connectChunkGroups");
	connectChunkGroups(
		compilation,
		blocksWithNestedBlocks,
		blockConnections,
		maskByChunk
	);
	logger.timeEnd(class="st">"connectChunkGroups");

	for (const [chunkGroup, chunkGroupInfo] of chunkGroupInfoMap) {
		for (const chunk of chunkGroup.chunks) {
			chunk.runtime = mergeRuntime(chunk.runtime, chunkGroupInfo.runtime);
		}
	}

	class="cm">// Cleanup work

	logger.time(class="st">"cleanup");
	cleanupUnconnectedGroups(compilation, allCreatedChunkGroups);
	logger.timeEnd(class="st">"cleanup");
};