👕 Linting for typescript

.editorconfig

@@ -0,0 +1,17 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[*.{diff,md}]
+trim_trailing_whitespace = false

aws-node-typescript-rest-api-with-dynamodb/create.ts

@@ -1,17 +1,17 @@
-'use strict';
+'use strict'
 
 import uuid from 'uuid'
 import { DynamoDB } from 'aws-sdk'
 
-const dynamoDb = new DynamoDB.DocumentClient();
+const dynamoDb = new DynamoDB.DocumentClient()
 
 module.exports.create = (event, context, callback) => {
-  const timestamp = new Date().getTime();
-  const data = JSON.parse(event.body);
+  const timestamp = new Date().getTime()
+  const data = JSON.parse(event.body)
   if (typeof data.text !== 'string') {
-    console.error('Validation Failed');
-    callback(new Error('Couldn\'t create the todo item.'));
-    return;
+    console.error('Validation Failed')
+    callback(new Error('Couldn\'t create the todo item.'))
+    return
   }
 
   const params = {
@@ -21,24 +21,24 @@ module.exports.create = (event, context, callback) => {
       text: data.text,
       checked: false,
       createdAt: timestamp,
-      updatedAt: timestamp,
-    },
-  };
+      updatedAt: timestamp
+    }
+  }
 
   // write the todo to the database
   dynamoDb.put(params, (error, result) => {
     // handle potential errors
     if (error) {
-      console.error(error);
-      callback(new Error('Couldn\'t create the todo item.'));
-      return;
+      console.error(error)
+      callback(new Error('Couldn\'t create the todo item.'))
+      return
     }
 
     // create a response
     const response = {
       statusCode: 200,
-      body: JSON.stringify(result.Item),
-    };
-    callback(null, response);
-  });
-};
+      body: JSON.stringify(result.Item)
+    }
+    callback(null, response)
+  })
+}

aws-node-typescript-rest-api-with-dynamodb/package.json

@@ -5,13 +5,17 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "watch": "tsc -w"
+    "watch": "tsc -w",
+    "lint": "tslint '*.ts'"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
   "devDependencies": {
     "@types/aws-sdk": "0.0.42",
-    "@types/node": "^7.0.5"
+    "@types/node": "^7.0.5",
+    "tslint": "^5.5.0",
+    "tslint-config-standard": "^6.0.1",
+    "typescript": "^2.4.2"
   }
 }

aws-node-typescript-rest-api-with-dynamodb/tsconfig.json

@@ -6,9 +6,8 @@
   "exclude": [
     "node_modules"
   ],
-
   "types": [
     "node",
     "aws-sdk"
   ]
-}
+}

aws-node-typescript-rest-api-with-dynamodb/tslint.json

@@ -0,0 +1,3 @@
+{
+  "extends": "tslint-config-standard"
+}