diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..74a3439
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+# Don’t commit the following directories created by pub.
+build/
+packages/
+
+# Or the files created by dart2js.
+*.dart.js
+*.dart.precompiled.js
+*.js_
+*.js.deps
+*.js.map
+
+# Include when developing application packages.
+pubspec.lock