75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { validate } = require("schema-utils");
|
|
const schema = require("../../schemas/plugins/HashedModuleIdsPlugin.json");
|
|
const {
|
|
compareModulesByPreOrderIndexOrIdentifier
|
|
} = require("../util/comparators");
|
|
const createHash = require("../util/createHash");
|
|
const { getUsedModuleIds, getFullModuleName } = require("./IdHelpers");
|
|
|
|
/** @typedef {import("../../declarations/plugins/HashedModuleIdsPlugin").HashedModuleIdsPluginOptions} HashedModuleIdsPluginOptions */
|
|
|
|
class HashedModuleIdsPlugin {
|
|
/**
|
|
* @param {HashedModuleIdsPluginOptions=} options options object
|
|
*/
|
|
constructor(options = {}) {
|
|
validate(schema, options, {
|
|
name: "Hashed Module Ids Plugin",
|
|
baseDataPath: "options"
|
|
});
|
|
|
|
/** @type {HashedModuleIdsPluginOptions} */
|
|
this.options = {
|
|
context: null,
|
|
hashFunction: "md4",
|
|
hashDigest: "base64",
|
|
hashDigestLength: 4,
|
|
...options
|
|
};
|
|
}
|
|
|
|
apply(compiler) {
|
|
const options = this.options;
|
|
compiler.hooks.compilation.tap("HashedModuleIdsPlugin", compilation => {
|
|
compilation.hooks.moduleIds.tap("HashedModuleIdsPlugin", modules => {
|
|
const chunkGraph = compilation.chunkGraph;
|
|
const context = this.options.context
|
|
? this.options.context
|
|
: compiler.context;
|
|
|
|
const usedIds = getUsedModuleIds(compilation);
|
|
const modulesInNaturalOrder = Array.from(modules)
|
|
.filter(m => {
|
|
if (!m.needId) return false;
|
|
if (chunkGraph.getNumberOfModuleChunks(m) === 0) return false;
|
|
return chunkGraph.getModuleId(module) === null;
|
|
})
|
|
.sort(
|
|
compareModulesByPreOrderIndexOrIdentifier(compilation.moduleGraph)
|
|
);
|
|
for (const module of modulesInNaturalOrder) {
|
|
const ident = getFullModuleName(module, context, compiler.root);
|
|
const hash = createHash(options.hashFunction);
|
|
hash.update(ident || "");
|
|
const hashId = /** @type {string} */ (hash.digest(
|
|
options.hashDigest
|
|
));
|
|
let len = options.hashDigestLength;
|
|
while (usedIds.has(hashId.substr(0, len))) len++;
|
|
const moduleId = hashId.substr(0, len);
|
|
chunkGraph.setModuleId(module, moduleId);
|
|
usedIds.add(moduleId);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
module.exports = HashedModuleIdsPlugin;
|