diff --git a/.gitignore b/.gitignore
index 6fd2e644f89..5f275db6eb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,6 @@ yarn.lock
 # source maps of docs
 docs/**/*.map
 junit.xml
+
+#typescript source maps
+packages/**/*.map
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 38b57a85442..20786e2daef 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -6,7 +6,8 @@
 		"skipLibCheck": true,
 		"target": "es6",
 		"lib": ["es6", "es2017"],
-		"resolveJsonModule": true
+		"resolveJsonModule": true,
+		"sourceMap": true
 	},
 	"include": ["packages/**/*.ts"],
 	"exclude": [