Method constructor

lib/optimize/SplitChunksPlugin.js:697–781

* Creates an instance of SplitChunksPlugin. * @param {OptimizationSplitChunksOptions=} options plugin options

(options = {})

	 * @param {OptimizationSplitChunksOptions=} options plugin options
	 */
	constructor(options = {}) {
		const defaultSizeTypes = options.defaultSizeTypes || [
			"javascript",
			"unknown"
		];
		const fallbackCacheGroup = options.fallbackCacheGroup || {};
		const minSize = normalizeSizes(options.minSize, defaultSizeTypes);
		const minSizeReduction = normalizeSizes(
			options.minSizeReduction,
			defaultSizeTypes
		);
		const maxSize = normalizeSizes(options.maxSize, defaultSizeTypes);

		/** @type {SplitChunksOptions} */
		this.options = {
			chunksFilter:
				/** @type {ChunkFilterFn} */
				(normalizeChunksFilter(options.chunks || "all")),
			defaultSizeTypes,
			minSize,
			minSizeReduction,
			minRemainingSize: mergeSizes(
				normalizeSizes(options.minRemainingSize, defaultSizeTypes),
				minSize
			),
			enforceSizeThreshold: normalizeSizes(
				options.enforceSizeThreshold,
				defaultSizeTypes
			),
			maxAsyncSize: mergeSizes(
				normalizeSizes(options.maxAsyncSize, defaultSizeTypes),
				maxSize
			),
			maxInitialSize: mergeSizes(
				normalizeSizes(options.maxInitialSize, defaultSizeTypes),
				maxSize
			),
			minChunks: options.minChunks || 1,
			maxAsyncRequests: options.maxAsyncRequests || 1,
			maxInitialRequests: options.maxInitialRequests || 1,
			hidePathInfo: options.hidePathInfo || false,
			filename: options.filename || undefined,
			getCacheGroups: normalizeCacheGroups(
				options.cacheGroups,
				defaultSizeTypes
			),
			getName: options.name
				? /** @type {GetNameFn} */ (normalizeName(options.name))
				: defaultGetName,
			automaticNameDelimiter: options.automaticNameDelimiter || "-",
			usedExports: options.usedExports || false,
			fallbackCacheGroup: {
				chunksFilter:
					/** @type {ChunkFilterFn} */
					(
						normalizeChunksFilter(
							fallbackCacheGroup.chunks || options.chunks || "all"
						)