Add index.ts

Author: hernandosebastian

src/index.ts

@@ -0,0 +1,33 @@
+import { APIGatewayEvent, APIGatewayProxyResult } from "aws-lambda";
+import { StatusCodes } from "http-status-codes";
+import {
+  createItem,
+  deleteItem,
+  getAllItems,
+  getItem,
+  updateItem,
+} from "./controller";
+import { ErrorMessages } from "./utils";
+
+export const handler = async (
+  event: APIGatewayEvent
+): Promise<APIGatewayProxyResult> => {
+  switch (event.httpMethod) {
+    case "POST":
+      return createItem(event);
+    case "GET":
+      if (event.pathParameters) {
+        return getItem(event);
+      }
+      return getAllItems();
+    case "PUT":
+      return updateItem(event);
+    case "DELETE":
+      return deleteItem(event);
+    default:
+      return {
+        statusCode: StatusCodes.METHOD_NOT_ALLOWED,
+        body: JSON.stringify({ message: ErrorMessages.METHOD_NOT_ALLOWED }),
+      };
+  }
+};