eslint and prettier

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = lf
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+

.eslintignore

@@ -0,0 +1,3 @@
+node_modules
+/*.js
+dist

.eslintrc.json

@@ -1,24 +1,46 @@
 {
-    "env": {
-        "es6": true,
-        "node": true
-    },
-    "extends": [
-        "airbnb-base", 
-        "plugin:@typescript-eslint/recomended"
+  "env": {
+      "es6": true,
+      "node": true
+  },
+  "extends": [
+      "airbnb-base",
+      "plugin:@typescript-eslint/recommended",
+      "plugin:prettier/recommended",
+      "prettier/@typescript-eslint"
+  ],
+  "globals": {
+      "Atomics": "readonly",
+      "SharedArrayBuffer": "readonly"
+  },
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+      "ecmaVersion": 2018,
+      "sourceType": "module"
+  },
+  "plugins": [
+      "@typescript-eslint",
+      "prettier"
+  ],
+  "rules": {
+    "no-console": [
+      "error",
+      {
+        "allow": ["info"]
+      }
     ],
-    "globals": {
-        "Atomics": "readonly",
-        "SharedArrayBuffer": "readonly"
-    },
-    "parser": "@typescript-eslint/parser",
-    "parserOptions": {
-        "ecmaVersion": 2018,
-        "sourceType": "module"
-    },
-    "plugins": [
-        "@typescript-eslint"
-    ],
-    "rules": {
+    "prettier/prettier": "error",
+    "import/extensions": [
+      "error",
+      "ignorePackages",
+      {
+        "ts": "never"
+      }
+    ]
+  },
+  "settings": {
+    "import/resolver": {
+      "typescript": {}
     }
-}
+  }
+}

package.json

@@ -5,15 +5,19 @@
   "author": "Marco Santana <[email protected]>",
   "license": "MIT",
   "dependencies": {
-    "@types/express": "^4.17.6",
     "express": "^4.17.1"
   },
   "devDependencies": {
+    "@types/express": "^4.17.6",
     "@typescript-eslint/eslint-plugin": "^2.29.0",
     "@typescript-eslint/parser": "^2.29.0",
     "eslint": "^6.8.0",
     "eslint-config-airbnb-base": "^14.1.0",
+    "eslint-config-prettier": "^6.11.0",
+    "eslint-import-resolver-typescript": "^2.0.0",
     "eslint-plugin-import": "^2.20.1",
+    "eslint-plugin-prettier": "^3.1.3",
+    "prettier": "^2.0.5",
     "ts-node-dev": "^1.0.0-pre.44",
     "typescript": "^3.8.3"
   }

prettier.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  singleQuote: true,
+  trailingComma: 'all',
+  arrowParams: 'avoid',
+};

src/routes/index.ts

@@ -0,0 +1,9 @@
+import { Router } from 'express';
+
+const routes = Router();
+
+routes.get('/hello', (request, response) => {
+  return response.json({ message: 'hello, world!' });
+});
+
+export default routes;

src/server.ts

@@ -1,8 +1,13 @@
 import express from 'express';
+import router from './routes';
 
 const app = express();
 
-app.get('/', (request, response) => 
-  response.send('Hello, typescript!'));
+app.use(express.json());
+app.use(router);
+
+app.get('/', (request, response) => {
+  return response.send('Hello, typescript!');
+});
 
 app.listen(3333);