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77 lines
2.2 KiB
77 lines
2.2 KiB
/* |
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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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const { |
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compareModulesByPreOrderIndexOrIdentifier |
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} = require("../util/comparators"); |
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const createSchemaValidation = require("../util/create-schema-validation"); |
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const createHash = require("../util/createHash"); |
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const { |
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getUsedModuleIdsAndModules, |
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getFullModuleName |
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} = require("./IdHelpers"); |
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/** @typedef {import("../../declarations/plugins/HashedModuleIdsPlugin").HashedModuleIdsPluginOptions} HashedModuleIdsPluginOptions */ |
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const validate = createSchemaValidation( |
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require("../../schemas/plugins/HashedModuleIdsPlugin.check.js"), |
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() => require("../../schemas/plugins/HashedModuleIdsPlugin.json"), |
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{ |
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name: "Hashed Module Ids Plugin", |
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baseDataPath: "options" |
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} |
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); |
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class HashedModuleIdsPlugin { |
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/** |
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* @param {HashedModuleIdsPluginOptions=} options options object |
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*/ |
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constructor(options = {}) { |
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validate(options); |
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/** @type {HashedModuleIdsPluginOptions} */ |
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this.options = { |
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context: null, |
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hashFunction: "md4", |
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hashDigest: "base64", |
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hashDigestLength: 4, |
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...options |
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}; |
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} |
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apply(compiler) { |
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const options = this.options; |
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compiler.hooks.compilation.tap("HashedModuleIdsPlugin", compilation => { |
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compilation.hooks.moduleIds.tap("HashedModuleIdsPlugin", () => { |
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const chunkGraph = compilation.chunkGraph; |
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const context = this.options.context |
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? this.options.context |
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: compiler.context; |
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const [usedIds, modules] = getUsedModuleIdsAndModules(compilation); |
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const modulesInNaturalOrder = modules.sort( |
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compareModulesByPreOrderIndexOrIdentifier(compilation.moduleGraph) |
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); |
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for (const module of modulesInNaturalOrder) { |
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const ident = getFullModuleName(module, context, compiler.root); |
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const hash = createHash(options.hashFunction); |
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hash.update(ident || ""); |
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const hashId = /** @type {string} */ ( |
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hash.digest(options.hashDigest) |
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); |
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let len = options.hashDigestLength; |
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while (usedIds.has(hashId.substr(0, len))) len++; |
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const moduleId = hashId.substr(0, len); |
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chunkGraph.setModuleId(module, moduleId); |
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usedIds.add(moduleId); |
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} |
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}); |
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}); |
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} |
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} |
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module.exports = HashedModuleIdsPlugin;
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