Tools yang digunakan
Visual Studio Code – https://code.visualstudio.com/Download
– enable extension Node.js Module Intellisense
– enable extension npm Intellisense
Insomnia – https://insomnia.rest/download
1. Create directory
#mkdir nodejs-demo
2. Initialize package dalam directory tu
#npm init
install keperluan untuk app
untuk oracle
#npm i –save express oracledb knex body-parser cookie-parser
untuk mysql
#npm i –save express knex body-parser cookie-parser mysql
nak install kemudian mysql, boleh run
#npm i –save mysql
install nodemon utk handle auto start stop service bila ada changes kt skrip node js
#npm i -D nodemon
tambah script utk handle run start
“scripts”: {
“dev”: “nodemon -q -w \”.\” –ext \”.\” -i \”node_modules\” –exec \” npm run start\” “,
“test”: “echo \”Error: no test specified\” && exit 1″
},
tambah start script
“scripts”: {
“start”: “node app.js –verbose”,
“dev”: “nodemon -q -w \”.\” –ext \”.\” -i \”node_modules\” –exec \” npm run start\” “,
“test”: “echo \”Error: no test specified\” && exit 1″
},
create file app.js
const express = require(“express”);
const app = express();
app.get(‘/’, (req, res) => {
res.send(“UMP API”);
});
app.listen(3000, (err) => {
if(err) console.error(err);
elseconsole.log(“Server running at localhost:3000”);
});
ubah skrip utk hantar status dlm bentuk json
const express = require(“express”);
const app = express();
app.get(‘/’, (req, res) => {
//res.send(“UMP API”);
res.status(200).json({
status:’OK’,
message:’Welcome to UMP API’,
time:newDate().toISOString()
});
});
app.listen(3000, (err) => {
if(err) console.error(err);
elseconsole.log(“Server running at localhost:3000”);
});
Guna middleware bodyParser untuk handle POST
tambah skrip
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