diff --git a/packages/schematics/schematics/schematic/files/__dot__npmignore b/packages/schematics/schematics/schematic/files/__dot__npmignore
new file mode 100644
index 000000000000..c55ccfc3f5f9
--- /dev/null
+++ b/packages/schematics/schematics/schematic/files/__dot__npmignore
@@ -0,0 +1,3 @@
+# Ignores TypeScript files, but keeps definitions.
+*.ts
+!*.d.ts