Method _getChunkGraphChunk

lib/ChunkGraph.js:345–352

* Get chunk graph chunk. * @private * @param {Chunk} chunk the chunk * @returns {ChunkGraphChunk} internal chunk

(chunk)

	 * @returns {ChunkGraphChunk} internal chunk
	 */
	_getChunkGraphChunk(chunk) {
		let cgc = this._chunks.get(chunk);
		if (cgc === undefined) {
			cgc = new ChunkGraphChunk();
			this._chunks.set(chunk, cgc);
		}
		return cgc;
	}

	/**
	 * Returns the graph roots.