diff options
Diffstat (limited to 'node_modules/webpack/lib/optimize/MinChunkSizePlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/optimize/MinChunkSizePlugin.js | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js b/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js deleted file mode 100644 index b51164c2..00000000 --- a/node_modules/webpack/lib/optimize/MinChunkSizePlugin.js +++ /dev/null @@ -1,113 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const { STAGE_ADVANCED } = require("../OptimizationStages"); -const createSchemaValidation = require("../util/create-schema-validation"); - -/** @typedef {import("../../declarations/plugins/optimize/MinChunkSizePlugin").MinChunkSizePluginOptions} MinChunkSizePluginOptions */ -/** @typedef {import("../Chunk")} Chunk */ -/** @typedef {import("../Compiler")} Compiler */ - -const validate = createSchemaValidation( - require("../../schemas/plugins/optimize/MinChunkSizePlugin.check.js"), - () => require("../../schemas/plugins/optimize/MinChunkSizePlugin.json"), - { - name: "Min Chunk Size Plugin", - baseDataPath: "options" - } -); - -class MinChunkSizePlugin { - /** - * @param {MinChunkSizePluginOptions} options options object - */ - constructor(options) { - validate(options); - this.options = options; - } - - /** - * Apply the plugin - * @param {Compiler} compiler the compiler instance - * @returns {void} - */ - apply(compiler) { - const options = this.options; - const minChunkSize = options.minChunkSize; - compiler.hooks.compilation.tap("MinChunkSizePlugin", compilation => { - compilation.hooks.optimizeChunks.tap( - { - name: "MinChunkSizePlugin", - stage: STAGE_ADVANCED - }, - chunks => { - const chunkGraph = compilation.chunkGraph; - const equalOptions = { - chunkOverhead: 1, - entryChunkMultiplicator: 1 - }; - - const chunkSizesMap = new Map(); - /** @type {[Chunk, Chunk][]} */ - const combinations = []; - /** @type {Chunk[]} */ - const smallChunks = []; - const visitedChunks = []; - for (const a of chunks) { - // check if one of the chunks sizes is smaller than the minChunkSize - // and filter pairs that can NOT be integrated! - if (chunkGraph.getChunkSize(a, equalOptions) < minChunkSize) { - smallChunks.push(a); - for (const b of visitedChunks) { - if (chunkGraph.canChunksBeIntegrated(b, a)) - combinations.push([b, a]); - } - } else { - for (const b of smallChunks) { - if (chunkGraph.canChunksBeIntegrated(b, a)) - combinations.push([b, a]); - } - } - chunkSizesMap.set(a, chunkGraph.getChunkSize(a, options)); - visitedChunks.push(a); - } - - const sortedSizeFilteredExtendedPairCombinations = combinations - .map(pair => { - // extend combination pairs with size and integrated size - const a = chunkSizesMap.get(pair[0]); - const b = chunkSizesMap.get(pair[1]); - const ab = chunkGraph.getIntegratedChunksSize( - pair[0], - pair[1], - options - ); - /** @type {[number, number, Chunk, Chunk]} */ - const extendedPair = [a + b - ab, ab, pair[0], pair[1]]; - return extendedPair; - }) - .sort((a, b) => { - // sadly javascript does an in place sort here - // sort by size - const diff = b[0] - a[0]; - if (diff !== 0) return diff; - return a[1] - b[1]; - }); - - if (sortedSizeFilteredExtendedPairCombinations.length === 0) return; - - const pair = sortedSizeFilteredExtendedPairCombinations[0]; - - chunkGraph.integrateChunks(pair[2], pair[3]); - compilation.chunks.delete(pair[3]); - return true; - } - ); - }); - } -} -module.exports = MinChunkSizePlugin; |
