diff --git a/.gitignore b/.gitignore
index 69d75b1a..67c4168d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ node_modules/
 .DS_Store
 *.d.ts
 *.log
+*.map
 yarn.lock
 !/index.d.ts
 !/test/types.d.ts
diff --git a/tsconfig.json b/tsconfig.json
index 2c12ea63..7347690d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,7 @@
     "checkJs": true,
     "customConditions": ["development"],
     "declaration": true,
+    "declarationMap": true,
     "emitDeclarationOnly": true,
     "exactOptionalPropertyTypes": true,
     "lib": ["es2022"],