Fix ts errors

Author: schickling

package.json

@@ -4,16 +4,16 @@
     "prepare": "docker-compose run --rm serverless npm rebuild"
   },
   "devDependencies": {
-    "@types/node": "^7.0.0",
-    "@types/aws-lambda": "^0.0.10",
-    "ava": "^0.17.0",
-    "serverless-plugin-typescript": "^0.2.0"
+    "@types/aws-lambda": "^0.0.15",
+    "@types/node": "^8.0.16",
+    "ava": "^0.21.0",
+    "serverless-plugin-typescript": "^1.0.0"
   },
   "dependencies": {
     "aws-sdk": "^2.7.27",
-    "lambda-helpers": "^0.1.0",
-    "sharp": "^0.17.1",
     "graphql-request": "^1.1.2",
+    "lambda-helpers": "^0.2.1",
+    "sharp": "^0.18.2",
     "source-map-support": "^0.4.15"
   }
 }

src/handler.ts

@@ -16,9 +16,9 @@ export default callbackRuntime(async (event: APIGatewayEvent) => {
 
     try {
       // log projectId of projects using the old API version
-      const client = new GraphQLClient(process.env.GRAPHCOOL_ENDPOINT, {
+      const client = new GraphQLClient(process.env['GRAPHCOOL_ENDPOINT']!, {
         headers: {
-          Authorization: `Bearer ${process.env.GRAPHCOOL_PAT}`,
+          Authorization: `Bearer ${process.env['GRAPHCOOL_PAT']}`,
         }
       })
 
@@ -51,7 +51,7 @@ export default callbackRuntime(async (event: APIGatewayEvent) => {
   const {projectId, fileSecret, crop, resize} = params!
 
   const options = {
-    Bucket: process.env.BUCKET_NAME,
+    Bucket: process.env['BUCKET_NAME']!,
     Key: `${projectId}/${fileSecret}`,
   }