express js send error response code example
Example 1: how to handle all error of all router in express
var router = express.Router();
router.get('/req1', handleErrorAsync(async (req, res, next) => {
let result = await someAsyncFunction1();
if(result){
}
}));
router.post('/req2', handleErrorAsync(async (req, res, next) => {
let result = await someAsyncFunction2(req.body.param1);
if(result){
}
}));
router.post('/req3', handleErrorAsync(async (req, res, next) => {
let result = await someAsyncFunction3(req.body.param1, req.body.param2);
if(result){
}
}));
module.exports = router;
Example 2: express generator error handling
app.get('/', function (req, res) {
throw new Error('BROKEN')
})