create-js-app-scripts
Version:
Configuration and scripts for Create Js App.
35 lines (34 loc) • 1.22 kB
JavaScript
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
function HashedModuleIdsPlugin(options) {
this.options = options || {};
this.options.hashFunction = this.options.hashFunction || "md5";
this.options.hashDigest = this.options.hashDigest || "base64";
this.options.hashDigestLength = this.options.hashDigestLength || 4;
}
module.exports = HashedModuleIdsPlugin;
HashedModuleIdsPlugin.prototype.apply = function(compiler) {
var options = this.options;
compiler.plugin("compilation", function(compilation) {
var usedIds = {};
compilation.plugin("before-module-ids", function(modules) {
modules.forEach(function(module) {
if(module.id === null && module.libIdent) {
var id = module.libIdent({
context: this.options.context || compiler.options.context
});
var hash = require("crypto").createHash(options.hashFunction);
hash.update(id);
id = hash.digest(options.hashDigest);
var len = options.hashDigestLength;
while(usedIds[id.substr(0, len)])
len++;
module.id = id.substr(0, len);
usedIds[module.id] = true;
}
}, this);
}.bind(this));
}.bind(this));
};