diff --git a/.gitignore b/.gitignore
index 2c8cf00..96e5560 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,3 +104,6 @@ dist
 .tern-port
 .npmrc
 .yarnrc
+
+# IDE directories
+.idea
diff --git a/packages/common-ts/.gitignore b/packages/common-ts/.gitignore
index 4ebc8ae..5979734 100644
--- a/packages/common-ts/.gitignore
+++ b/packages/common-ts/.gitignore
@@ -1 +1,2 @@
 coverage
+.idea
diff --git a/packages/common-ts/.npmignore b/packages/common-ts/.npmignore
new file mode 100644
index 0000000..485dee6
--- /dev/null
+++ b/packages/common-ts/.npmignore
@@ -0,0 +1 @@
+.idea