diff options
| author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
|---|---|---|
| committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
| commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
| tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/webpack/lib/HashedModuleIdsPlugin.js | |
| parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) | |
node_modules
Diffstat (limited to 'node_modules/webpack/lib/HashedModuleIdsPlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/HashedModuleIdsPlugin.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/HashedModuleIdsPlugin.js b/node_modules/webpack/lib/HashedModuleIdsPlugin.js new file mode 100644 index 000000000..40a491b07 --- /dev/null +++ b/node_modules/webpack/lib/HashedModuleIdsPlugin.js @@ -0,0 +1,42 @@ +/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+const createHash = require("crypto").createHash;
+
+class HashedModuleIdsPlugin {
+ constructor(options) {
+ this.options = Object.assign({
+ hashFunction: "md5",
+ hashDigest: "base64",
+ hashDigestLength: 4
+ }, options);
+ }
+
+ apply(compiler) {
+ const options = this.options;
+ compiler.plugin("compilation", (compilation) => {
+ const usedIds = new Set();
+ compilation.plugin("before-module-ids", (modules) => {
+ modules.forEach((module) => {
+ 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;
|