chore(backend): configure routes, configure prettier

backend/.eslintignore

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

backend/.eslintrc.js

@@ -4,20 +4,37 @@ module.exports = {
     node: true,
   },
   extends: [
-    'airbnb-base',
+    "airbnb-base",
+    "plugin:@typescript-eslint/recommended",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended"
   ],
   globals: {
-    Atomics: 'readonly',
-    SharedArrayBuffer: 'readonly',
+    Atomics: "readonly",
+    SharedArrayBuffer: "readonly",
   },
-  parser: '@typescript-eslint/parser',
+  parser: "@typescript-eslint/parser",
   parserOptions: {
     ecmaVersion: 2018,
-    sourceType: 'module',
+    sourceType: "module",
   },
   plugins: [
-    '@typescript-eslint',
+    "@typescript-eslint",
+    "prettier"
   ],
   rules: {
+    "prettier/prettier": "error",
+    "import/extensions": [
+      "error",
+      "ignorePackages",
+      {
+        ts: "never",
+      },
+    ],
+  },
+  settings: {
+    "import/resolver": {
+      typescript: {},
+    },
   },
 };

backend/package.json

@@ -19,7 +19,11 @@
     "@typescript-eslint/parser": "^2.30.0",
     "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": "^2.20.2",
+    "eslint-plugin-prettier": "^3.1.3",
+    "prettier": "^2.0.5",
     "ts-node-dev": "^1.0.0-pre.44",
     "typescript": "^3.8.3"
   }

backend/prettier.config.js

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

backend/src/routes/index.ts

@@ -0,0 +1,7 @@
+import { Router } from 'express';
+
+const routes = Router();
+
+routes.get('/', (req, res) => res.json({ messager: 'helloW' }));
+
+export default routes;

backend/src/server.ts

@@ -1,9 +1,10 @@
-import express from "express";
+import express from 'express';
+import routes from './routes';
 
 const app = express();
 
-app.get("/", (req, res) => res.json({ messager: "helloW" }));
+app.use(routes);
 
 app.listen(3333, () => {
-  console.log("📡 Server started on port 3333.");
+  console.log('📡 Server started on port 3333.');
 });