diff options
Diffstat (limited to 'node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js')
-rw-r--r-- | node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js b/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js deleted file mode 100644 index e3a4c37..0000000 --- a/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js +++ /dev/null @@ -1,87 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -"use strict"; - -class AggressiveMergingPlugin { - constructor(options) { - if ( - (options !== undefined && typeof options !== "object") || - Array.isArray(options) - ) { - throw new Error( - "Argument should be an options object. To use defaults, pass in nothing.\nFor more info on options, see https://webpack.js.org/plugins/" - ); - } - this.options = options || {}; - } - - apply(compiler) { - const options = this.options; - const minSizeReduce = options.minSizeReduce || 1.5; - - compiler.hooks.thisCompilation.tap( - "AggressiveMergingPlugin", - compilation => { - compilation.hooks.optimizeChunksAdvanced.tap( - "AggressiveMergingPlugin", - chunks => { - let combinations = []; - chunks.forEach((a, idx) => { - if (a.canBeInitial()) return; - for (let i = 0; i < idx; i++) { - const b = chunks[i]; - if (b.canBeInitial()) continue; - combinations.push({ - a, - b, - improvement: undefined - }); - } - }); - - for (const pair of combinations) { - const a = pair.b.size({ - chunkOverhead: 0 - }); - const b = pair.a.size({ - chunkOverhead: 0 - }); - const ab = pair.b.integratedSize(pair.a, { - chunkOverhead: 0 - }); - let newSize; - if (ab === false) { - pair.improvement = false; - return; - } else { - newSize = ab; - } - - pair.improvement = (a + b) / newSize; - } - combinations = combinations.filter(pair => { - return pair.improvement !== false; - }); - combinations.sort((a, b) => { - return b.improvement - a.improvement; - }); - - const pair = combinations[0]; - - if (!pair) return; - if (pair.improvement < minSizeReduce) return; - - if (pair.b.integrate(pair.a, "aggressive-merge")) { - chunks.splice(chunks.indexOf(pair.a), 1); - return true; - } - } - ); - } - ); - } -} - -module.exports = AggressiveMergingPlugin; |