add prettier to backend

backend/.prettierrc.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/prettierrc",
+  "semi": false,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "printWidth": 100,
+  "trailingComma": "none"
+}

backend/package-lock.json

@@ -16,6 +16,7 @@
         "@typescript-eslint/eslint-plugin": "^7.1.1",
         "@typescript-eslint/parser": "^7.1.1",
         "eslint": "^8.57.0",
+        "prettier": "^3.2.5",
         "typescript": "^5.3.3"
       }
     },
@@ -2009,6 +2010,21 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.2.5.tgz",
+      "integrity": "sha512-3/GWa9aOC0YeD7LUfvOG2NiDyhOWRvt1k+rcKhOuYnMY24iiCphgneUfJDyFXd6rZCAnuLBv6UeAULtrhT/F4A==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",

backend/package.json

@@ -4,7 +4,9 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "lint": "eslint . --ext .js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore",
+    "format": "prettier --write src/"
   },
   "keywords": [],
   "author": "",
@@ -14,6 +16,7 @@
     "@typescript-eslint/eslint-plugin": "^7.1.1",
     "@typescript-eslint/parser": "^7.1.1",
     "eslint": "^8.57.0",
+    "prettier": "^3.2.5",
     "typescript": "^5.3.3"
   },
   "dependencies": {

backend/src/app.ts

@@ -1,11 +1,11 @@
-import express from 'express';
-const app = express();
-const port = 3000;
+import express from 'express'
+const app = express()
+const port = 3000
 
 app.get('/', (req, res) => {
-  res.send('Hello World!');
-});
+  res.send('Hello World!')
+})
 
 app.listen(port, () => {
-  return console.log(`Express is listening at http://localhost:${port}`);
-});
+  return console.log(`Express is listening at http://localhost:${port}`)
+})