gitignore/Dart.gitignore

// Don’t commit the following files and directories created by pub, Dart Editor, and dart2js
packages/
.project
.buildlog
*.js_
*.js.deps
*.js.map

// Include when developing application packages
pubspec.lock 

// Avoid committing generated JavaScript files
*.dart.js

// Check for any other incovenient files generated by OS 
// and other tools such as Eclipse, IntelliJ, etc.