mirror of https://github.com/webpack/webpack.git
76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../ChunkGroup")} ChunkGroup */
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/** @typedef {(string|number)[]} EntryItem */
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// TODO move to this file to ../javascript/ChunkHelpers.js
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/**
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* @param {ChunkGroup} chunkGroup a chunk group
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* @returns {Set<Chunk>} chunks
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*/
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const getAllChunks = chunkGroup => {
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const queue = new Set([chunkGroup]);
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const chunks = new Set();
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for (const chunkGroup of queue) {
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for (const chunk of chunkGroup.chunks) {
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chunks.add(chunk);
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}
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for (const parent of chunkGroup.parentsIterable) {
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queue.add(parent);
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}
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}
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return chunks;
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};
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/**
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* @param {ChunkGraph} chunkGraph the chunk graph
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* @param {Chunk} chunk the chunk
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* @param {function(Chunk): boolean} chunkFilter the chunk filter function
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* @returns {EntryItem[]} serialized entry info:
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* inner arrays have this format [module id, ...chunk ids]
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*/
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exports.getEntryInfo = (chunkGraph, chunk, chunkFilter) => {
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return Array.from(
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chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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).map(([module, chunkGroup]) => {
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const arr = [chunkGraph.getModuleId(module)];
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for (const c of getAllChunks(chunkGroup)) {
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if (!chunkFilter(c) && !c.hasRuntime()) continue;
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const id = c.id;
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if (id === chunk.id) continue;
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arr.push(id);
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}
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return arr;
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});
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};
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/**
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* @param {Compilation} compilation the compilation
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* @param {Chunk} chunk the chunk
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* @returns {boolean} true, when other chunks have this chunk as runtime chunk
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*/
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exports.needEntryDeferringCode = (compilation, chunk) => {
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for (const entrypoint of compilation.entrypoints.values()) {
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if (entrypoint.getRuntimeChunk() === chunk) {
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if (entrypoint.chunks.length > 1 || entrypoint.chunks[0] !== chunk)
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return true;
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}
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}
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for (const entrypoint of compilation.asyncEntrypoints) {
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if (entrypoint.getRuntimeChunk() === chunk) {
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if (entrypoint.chunks.length > 1 || entrypoint.chunks[0] !== chunk)
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return true;
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}
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}
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return false;
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};
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