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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/webpack/lib/HashedModuleIdsPlugin.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
switch to vuepress
Diffstat (limited to 'node_modules/webpack/lib/HashedModuleIdsPlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/HashedModuleIdsPlugin.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/HashedModuleIdsPlugin.js b/node_modules/webpack/lib/HashedModuleIdsPlugin.js new file mode 100644 index 00000000..0c720c18 --- /dev/null +++ b/node_modules/webpack/lib/HashedModuleIdsPlugin.js @@ -0,0 +1,61 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; +const createHash = require("./util/createHash"); + +const validateOptions = require("schema-utils"); +const schema = require("../schemas/plugins/HashedModuleIdsPlugin.json"); + +/** @typedef {import("../declarations/plugins/HashedModuleIdsPlugin").HashedModuleIdsPluginOptions} HashedModuleIdsPluginOptions */ + +class HashedModuleIdsPlugin { + /** + * @param {HashedModuleIdsPluginOptions=} options options object + */ + constructor(options) { + if (!options) options = {}; + + validateOptions(schema, options, "Hashed Module Ids Plugin"); + + /** @type {HashedModuleIdsPluginOptions} */ + this.options = Object.assign( + { + context: null, + hashFunction: "md4", + hashDigest: "base64", + hashDigestLength: 4 + }, + options + ); + } + + apply(compiler) { + const options = this.options; + compiler.hooks.compilation.tap("HashedModuleIdsPlugin", compilation => { + const usedIds = new Set(); + compilation.hooks.beforeModuleIds.tap( + "HashedModuleIdsPlugin", + modules => { + for (const module of modules) { + if (module.id === null && module.libIdent) { + const id = module.libIdent({ + context: this.options.context || compiler.options.context + }); + const hash = createHash(options.hashFunction); + hash.update(id); + const hashId = hash.digest(options.hashDigest); + let len = options.hashDigestLength; + while (usedIds.has(hashId.substr(0, len))) len++; + module.id = hashId.substr(0, len); + usedIds.add(module.id); + } + } + } + ); + }); + } +} + +module.exports = HashedModuleIdsPlugin; |
