SyntaxError: Unexpected token } in JSON at position 102 - node.js

Question

I created a simple node/express api connected to mongo atlas, i try to send post requests to add new data to the database with rest client extension in vscode but keep on running into the above error not sure where I have messed up in my code
main server file with middleware
const express = require("express");
const app = express();
const coolapi = require("./api/coolapi");
const dotenv = require("dotenv");
const mongoose = require("mongoose");
dotenv.config();
mongoose.connect(process.env.DB_ACCESS, { useUnifiedTopology: true }, () => {
console.log("DB connected");
});
app.use(express.json());
app.use("/api/coolapi", coolapi);
app.listen(3000, () => {
console.log("server is running");
});
File with express Router
const express = require("express");
const router = express.Router();
const coolioObj = require("../models/CoolModel");
router.post("/signup", (request, response) => {
const coolPerson = new coolioObj({
username: request.body.username,
email: request.body.email,
password: request.body.password,
});
coolPerson
.save()
.then((data) => {
response.json(data);
})
.catch((error) => {
response.json(error);
});
});
module.exports = router;
file with mongoose schema
const mongoose = require("mongoose");
const coolioSchema = mongoose.Schema({
username: {
type: String,
required: true,
},
email: {
type: String,
required: true,
},
password: {
type: String,
required: true,
},
date: {
type: Date,
default: Date.now,
},
});
module.exports = mongoose.model("coolioDB", coolioSchema);
request being sent
POST http://localhost:3000/api/coolapi/signup http/1.1
Content-Type: application/json
{
"username":"samthingsoweto",
"email":"sams#amapiano.co",
"password":"KabzaDaSmall",
}

Answer 1

JSON arrays doesn't support a comma after the last item. That is the cause of the error. Delete the last comma in all JSON arrays.
date: {
type: Date,
default: Date.now,
}, <---
{
"username":"peoplefrom",
"email":"peopleperson#email.com",
"password":"peoplepassword123", <---
}