test run works

package.json

@@ -22,6 +22,7 @@
     "cors": "^2.8.5",
     "express": "^4.18.2",
     "morgan": "^1.10.0",
+    "node": "^20.15.0",
     "nodemon": "^3.0.1"
   },
   "devDependencies": {

src/server.js

@@ -9,5 +9,65 @@ app.use(express.json())
 
 // write your app code here
 
+let contacts = [
+    {id: 1, firstName: 'John', lastName: 'Carmack'}, 
+    {id: 2, firstName: 'Grace', lastName: 'Hopper'},
+
+]
+let nextId = 3
+
+//gets all contacts
+app.get('/contacts', (request, respond) => {
+    respond.status(200).json({ contacts })
+})
+
+// gets a contact by Id
+app.get('/contacts/:id', (request, respond) => {
+    const id = parseInt(request.params.id)
+    const contact = contacts.find(c => c.id === id)
+    if (contact) {
+        respond.status(200).json({ contact })
+    } else {
+        //respond.status(404).send('Contact not found')
+       respond.status(404).json({ message: 'contact not found' })
+    }
+}) 
+
+//create a new contact
+app.post('/contacts', (request, respond) => {
+   const newContact = request.body
+   newContact.id = nextId++
+   contacts.push(newContact)
+   respond.status(201).json({ contact: newContact })
+
+})
+
+// edit and update a contact
+app.put('/contacts/:id', (request, respond) => {
+    const id = parseInt(request.params.id)
+    const index = contacts.findIndex (c => c.id === id)
+    if (index !== -1) {
+        contacts[index] = {...contacts[index], ...request.body}
+        const updatedContact = contacts[index]
+        respond.status(200).json({contact: updatedContact})
+    } else {
+        respond.status(404).json('Message: Contacts not found')
+    }
+
+})
+
+
+//then delete a contact
+app.delete('/contacts/:id', (request, respond) => {
+    const id = parseInt(request.params.id)
+    const index = contacts.findIndex(c => c.id === id)
+    if (index !== -1) {
+        const deletedContact = contacts.splice(index, 1)
+        respond.status(200).json ({ contact: deletedContact[0] })
+    } else {
+        respond.status(404).json('Message: contacts not found')
+    }
+})
+
 
 module.exports = app