diff --git a/Dart.gitignore b/Dart.gitignore
index 7bf00e82cc9e5575bd97873ef8524eab911be3f2..bd7e39fab8ebd26def9e3ac10bfd47cdc79d5ad6 100644
--- a/Dart.gitignore
+++ b/Dart.gitignore
@@ -3,7 +3,6 @@
 # Files and directories created by pub
 .dart_tool/
 .packages
-.pub/
 build/
 # If you're building an application, you may want to check-in your pubspec.lock
 pubspec.lock
@@ -11,3 +10,20 @@ pubspec.lock
 # Directory created by dartdoc
 # If you don't generate documentation locally you can remove this line.
 doc/api/
+
+# Avoid committing generated Javascript files:
+*.dart.js
+*.info.json      # Produced by the --dump-info flag.
+*.js             # When generated by dart2js. Don't specify *.js if your
+                 # project includes source files written in JavaScript.
+*.js_
+*.js.deps
+*.js.map
+
+
+# files and directories created by development environments
+*.iml         // IntelliJ
+*.ipr         // IntelliJ
+*.iws         // IntelliJ
+.idea/        // IntelliJ
+.DS_Store     // Mac