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-rw-r--r--node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js100
1 files changed, 0 insertions, 100 deletions
diff --git a/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js b/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js
deleted file mode 100644
index e6f24919..00000000
--- a/node_modules/webpack/lib/optimize/AggressiveMergingPlugin.js
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
-*/
-
-"use strict";
-
-const { STAGE_ADVANCED } = require("../OptimizationStages");
-
-/** @typedef {import("../Chunk")} Chunk */
-/** @typedef {import("../Compiler")} Compiler */
-
-/**
- * @typedef {Object} AggressiveMergingPluginOptions
- * @property {number=} minSizeReduce minimal size reduction to trigger merging
- */
-
-class AggressiveMergingPlugin {
- /**
- * @param {AggressiveMergingPluginOptions=} [options] options object
- */
- 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 the plugin
- * @param {Compiler} compiler the compiler instance
- * @returns {void}
- */
- apply(compiler) {
- const options = this.options;
- const minSizeReduce = options.minSizeReduce || 1.5;
-
- compiler.hooks.thisCompilation.tap(
- "AggressiveMergingPlugin",
- compilation => {
- compilation.hooks.optimizeChunks.tap(
- {
- name: "AggressiveMergingPlugin",
- stage: STAGE_ADVANCED
- },
- chunks => {
- const chunkGraph = compilation.chunkGraph;
- /** @type {{a: Chunk, b: Chunk, improvement: number}[]} */
- let combinations = [];
- for (const a of chunks) {
- if (a.canBeInitial()) continue;
- for (const b of chunks) {
- if (b.canBeInitial()) continue;
- if (b === a) break;
- if (!chunkGraph.canChunksBeIntegrated(a, b)) {
- continue;
- }
- const aSize = chunkGraph.getChunkSize(b, {
- chunkOverhead: 0
- });
- const bSize = chunkGraph.getChunkSize(a, {
- chunkOverhead: 0
- });
- const abSize = chunkGraph.getIntegratedChunksSize(b, a, {
- chunkOverhead: 0
- });
- const improvement = (aSize + bSize) / abSize;
- combinations.push({
- a,
- b,
- improvement
- });
- }
- }
-
- combinations.sort((a, b) => {
- return b.improvement - a.improvement;
- });
-
- const pair = combinations[0];
-
- if (!pair) return;
- if (pair.improvement < minSizeReduce) return;
-
- chunkGraph.integrateChunks(pair.b, pair.a);
- compilation.chunks.delete(pair.a);
- return true;
- }
- );
- }
- );
- }
-}
-
-module.exports = AggressiveMergingPlugin;