feat: add jest config (#7)

Co-authored-by: Tyler van Hensbergen <tyler@functionless.org>

Author: tvanhens

src/index.ts

@@ -100,13 +100,15 @@ async function run() {
     "@aws-cdk/aws-appsync-alpha",
     "@functionless/ast-reflection",
     "@functionless/language-service",
+    "@types/jest",
     "@types/node",
     "aws-cdk",
     "aws-cdk-lib",
     "aws-sdk",
     "constructs",
     "esbuild",
     "functionless",
+    "jest",
     "typesafe-dynamodb",
     "typescript",
   ];

templates/default/package.json

@@ -5,7 +5,16 @@
   "scripts": {
     "deploy": "cdk deploy",
     "synth": "cdk synth",
+    "test": "jest",
     "validate": "functionless"
   },
-  "devDependencies": {}
+  "devDependencies": {},
+  "jest": {
+    "transform": {
+      "^.+\\.(t|j)sx?$": [
+        "functionless/jest",
+        {}
+      ]
+    }
+  }
 }