feat: prevent adding multi instances to the same compiler

unjs · Nov 9, 2018 · 759a4e6 · 759a4e6
1 parent d51c508
commit 759a4e6
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/plugin.js b/src/plugin.js
@@ -133,6 +133,13 @@ export default class WebpackBarPlugin extends ProgressPlugin {
   }
 
   apply(compiler) {
+    // Prevent adding multi instances to the same compiler
+    if (compiler.webpackbar) {
+      return;
+    }
+    compiler.webpackbar = this;
+
+    // Apply base hooks
     super.apply(compiler);
 
     // Hook into the compiler before a new compilation is created.