Method _getCacheGroup

lib/optimize/SplitChunksPlugin.js:788–873

* Returns the cache group (cached). * @param {CacheGroupSource} cacheGroupSource source * @returns {CacheGroup} the cache group (cached)

(cacheGroupSource)

	 * @returns {CacheGroup} the cache group (cached)
	 */
	_getCacheGroup(cacheGroupSource) {
		const cacheEntry = this._cacheGroupCache.get(cacheGroupSource);
		if (cacheEntry !== undefined) return cacheEntry;
		const minSize = mergeSizes(
			cacheGroupSource.minSize,
			cacheGroupSource.enforce ? undefined : this.options.minSize
		);
		const minSizeReduction = mergeSizes(
			cacheGroupSource.minSizeReduction,
			cacheGroupSource.enforce ? undefined : this.options.minSizeReduction
		);
		const minRemainingSize = mergeSizes(
			cacheGroupSource.minRemainingSize,
			cacheGroupSource.enforce ? undefined : this.options.minRemainingSize
		);
		const enforceSizeThreshold = mergeSizes(
			cacheGroupSource.enforceSizeThreshold,
			cacheGroupSource.enforce ? undefined : this.options.enforceSizeThreshold
		);
		/** @type {CacheGroup} */
		const cacheGroup = {
			key: cacheGroupSource.key,
			priority: cacheGroupSource.priority || 0,
			chunksFilter: cacheGroupSource.chunksFilter || this.options.chunksFilter,
			minSize,
			minSizeReduction,
			minRemainingSize,
			enforceSizeThreshold,
			maxAsyncSize: mergeSizes(
				cacheGroupSource.maxAsyncSize,
				cacheGroupSource.enforce ? undefined : this.options.maxAsyncSize
			),
			maxInitialSize: mergeSizes(
				cacheGroupSource.maxInitialSize,
				cacheGroupSource.enforce ? undefined : this.options.maxInitialSize
			),
			minChunks:
				cacheGroupSource.minChunks !== undefined
					? cacheGroupSource.minChunks
					: cacheGroupSource.enforce
						? 1
						: this.options.minChunks,
			maxAsyncRequests:
				cacheGroupSource.maxAsyncRequests !== undefined
					? cacheGroupSource.maxAsyncRequests
					: cacheGroupSource.enforce
						? Infinity
						: this.options.maxAsyncRequests,
			maxInitialRequests:
				cacheGroupSource.maxInitialRequests !== undefined
					? cacheGroupSource.maxInitialRequests
					: cacheGroupSource.enforce
						? Infinity
						: this.options.maxInitialRequests,
			getName:
				cacheGroupSource.getName !== undefined
					? cacheGroupSource.getName
					: this.options.getName,