feat: add prettier

.eslintrc

@@ -0,0 +1,18 @@
+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "plugins": [
+    "@typescript-eslint",
+    "prettier"
+  ],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
+  "rules": {
+    "no-console": 1,
+    "prettier/prettier": 2
+  }
+}

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "semi": false,
+  "trailingComma": "all",
+  "singleQuote": true,
+  "printWidth": 140,  
+  "tabWidth": 2,
+  "useTabs": false
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "prettier.singleQuote": true
+}

aws/index.ts

@@ -7,6 +7,6 @@ const app = new cdk.App()
 
 new ExampleStack(app, 'Example', {
   env: {
-    region: 'eu-central-1'
-  }
+    region: 'eu-central-1',
+  },
 })

aws/stacks/example.ts

@@ -5,24 +5,21 @@ import * as sqs from '@aws-cdk/aws-sqs'
 import * as cdk from '@aws-cdk/core'
 
 export class ExampleStack extends cdk.Stack {
-
   constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
     super(scope, id, props)
 
     const queue = new sqs.Queue(this, 'ExampleQueue', {
-      visibilityTimeout: cdk.Duration.seconds(300)
+      visibilityTimeout: cdk.Duration.seconds(300),
     })
 
     const topic = new sns.Topic(this, 'ExampleTopic')
 
-    topic.addSubscription(
-      new subs.SqsSubscription(queue)
-    )
+    topic.addSubscription(new subs.SqsSubscription(queue))
 
     const func = new lambda.NodejsFunction(this, 'ExampleFunction', {
       entry: 'src/lambda/handler.ts',
-      functionName: "foo",
-      handler: 'run'
+      functionName: 'foo',
+      handler: 'run',
     })
 
     topic.grantPublish(func)

package.json

@@ -9,7 +9,9 @@
     "watch": "tsc -w",
     "test": "jest",
     "cdk": "cdk",
-    "deploy": "cdk deploy"
+    "deploy": "cdk deploy",
+    "prettier-format": "prettier --config .prettierrc 'aws/**/*.ts' --write",
+    "prettier-watch": "onchange 'aws/**/*.ts' -- prettier --write {{changed}}"
   },
   "devDependencies": {
     "@aws-cdk/assert": "1.90.0",
@@ -24,7 +26,11 @@
     "aws-cdk": "1.90.0",
     "aws-lambda-consumer": "^1.0.0",
     "esbuild": "0",
+    "eslint": "^7.20.0",
+    "eslint-config-prettier": "^7.2.0",
+    "eslint-plugin-prettier": "^3.3.1",
     "jest": "^26.4.2",
+    "prettier": "^2.2.1",
     "rimraf": "^3.0.2",
     "ts-jest": "^26.2.0",
     "ts-node": "^9.0.0",