fixed breaking change for MultiCompiler support

webpack-contrib · Jul 8, 2017 · 3a8ce1f · 3a8ce1f
1 parent f1856b0
commit 3a8ce1f
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -149,7 +149,10 @@ class UglifyJsPlugin {
   }
 
   apply(compiler) {
-    const requestShortener = new RequestShortener(compiler.context);
+    if (UglifyJsPlugin.appliedCompilers.has(compiler)) return;
+    UglifyJsPlugin.appliedCompilers.add(compiler);
+
+    const requestShortener = new RequestShortener(compiler.context || process.cwd());
     // Copy uglify options
     const uglifyOptions = UglifyJsPlugin.buildDefaultUglifyOptions(this.uglifyOptions);
     // Making sure output options exists if there is an extractComments options
@@ -280,4 +283,11 @@ class UglifyJsPlugin {
   }
 }
 
+Object.defineProperty(UglifyJsPlugin, 'appliedCompilers', {
+  enumerable: false,
+  configurable: false,
+  writable: false,
+  value: new WeakSet(),
+});
+
 export default UglifyJsPlugin;