hexo/node_modules/webpack/lib/ids/ChunkModuleIdRangePlugin.js

92 lines
2.6 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { find } = require("../util/SetHelpers");
const {
compareModulesByPreOrderIndexOrIdentifier,
compareModulesByPostOrderIndexOrIdentifier
} = require("../util/comparators");
/** @typedef {import("../Compiler")} Compiler */
/**
* @typedef {Object} ChunkModuleIdRangePluginOptions
* @property {string} name the chunk name
* @property {("index" | "index2" | "preOrderIndex" | "postOrderIndex")=} order order
* @property {number=} start start id
* @property {number=} end end id
*/
class ChunkModuleIdRangePlugin {
/**
* @param {ChunkModuleIdRangePluginOptions} options options object
*/
constructor(options) {
this.options = options;
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
const options = this.options;
compiler.hooks.compilation.tap("ChunkModuleIdRangePlugin", compilation => {
const moduleGraph = compilation.moduleGraph;
compilation.hooks.moduleIds.tap("ChunkModuleIdRangePlugin", modules => {
const chunkGraph = compilation.chunkGraph;
const chunk = find(
compilation.chunks,
chunk => chunk.name === options.name
);
if (!chunk) {
throw new Error(
`ChunkModuleIdRangePlugin: Chunk with name '${options.name}"' was not found`
);
}
let chunkModules;
if (options.order) {
let cmpFn;
switch (options.order) {
case "index":
case "preOrderIndex":
cmpFn = compareModulesByPreOrderIndexOrIdentifier(moduleGraph);
break;
case "index2":
case "postOrderIndex":
cmpFn = compareModulesByPostOrderIndexOrIdentifier(moduleGraph);
break;
default:
throw new Error(
"ChunkModuleIdRangePlugin: unexpected value of order"
);
}
chunkModules = chunkGraph.getOrderedChunkModules(chunk, cmpFn);
} else {
chunkModules = Array.from(modules)
.filter(m => {
return chunkGraph.isModuleInChunk(m, chunk);
})
.sort(compareModulesByPreOrderIndexOrIdentifier(moduleGraph));
}
let currentId = options.start || 0;
for (let i = 0; i < chunkModules.length; i++) {
const m = chunkModules[i];
if (m.needId && chunkGraph.getModuleId(m) === null) {
chunkGraph.setModuleId(m, currentId++);
}
if (options.end && currentId > options.end) break;
}
});
});
}
}
module.exports = ChunkModuleIdRangePlugin;