webpack/lib/javascript/ChunkHelpers.js

46 lines
1.1 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Entrypoint = require("../Entrypoint");
/** @typedef {import("../Chunk")} Chunk */
/**
* @param {Entrypoint} entrypoint a chunk group
* @param {(Chunk | null)=} excludedChunk1 current chunk which is excluded
* @param {(Chunk | null)=} excludedChunk2 runtime chunk which is excluded
* @returns {Set<Chunk>} chunks
*/
const getAllChunks = (entrypoint, excludedChunk1, excludedChunk2) => {
/** @type {Set<Entrypoint>} */
const queue = new Set([entrypoint]);
/** @type {Set<Entrypoint>} */
const groups = new Set();
for (const group of queue) {
if (group !== entrypoint) {
groups.add(group);
}
for (const parent of group.parentsIterable) {
if (parent instanceof Entrypoint) queue.add(parent);
}
}
groups.add(entrypoint);
/** @type {Set<Chunk>} */
const chunks = new Set();
for (const group of groups) {
for (const chunk of group.chunks) {
if (chunk === excludedChunk1) continue;
if (chunk === excludedChunk2) continue;
chunks.add(chunk);
}
}
return chunks;
};
module.exports.getAllChunks = getAllChunks;