#### A graceful error handle for Express applications. This also patches a DOS exploit where users can manually trigger bad request errors that shut down your app.
npm install express-error-handle#### A graceful error handle for Express applications. This also patches a DOS exploit where users can manually trigger bad request errors that shut down your app.
npm i --save express-error-handle
``
//If the import statement doesn't work, use require module
const {errorLog,errorHandlerNotify} = require("express-error-handle") //use require
const express = require('express');
const app = express()
const port = process.env.PORT || 5000;
app.get('/a-typical-route',async function(req, res, next) {
try{
//your code here
}
catch(error){
next(error)
}
});
app.listen(port, () => {
console.log(Example app listening on port ${port})
})
//handling error using at the end of last routes
//app.use(errorLog); //optional
app.use(errorHandlerNotify); //required
`
`
//mongoose default model error handle
//js example
const mongoose,{Schema} = require('mongoose')
const breakfastSchema = new Schema({
eggs: {
type: Number,
min: [6, 'Too few eggs'],
max: 12
},
bacon: {
type: Number,
required: [true, 'Why no bacon?']
},
drink: {
type: String,
enum: ['Coffee', 'Tea'],
},
userId:{
type: Schema.Types.ObjectId,
ref: 'User'
}
}, { timestamps: true });
const Breakfast = mongoose.model('Breakfast', breakfastSchema);
export default Breakfast;
`
`
//mongoose default model error handle
//ts example
import { Document, Schema, model, Types } from 'mongoose';
export interface IBreakfastSchema extends Document {
eggs: number,
bacon: Types.ObjectId,
drink:string,
userId?:Types.ObjectId,
createdAt?: Date,
updatedAt?: Date,
}
export enum drinkEnum{
coffee="coffee",
tea="tea",
}
const breakfastSchema = new Schema
eggs: {
type: Number,
min: [6, 'Too few eggs'],
max: 12
},
bacon: {
type: Number,
required: [true, 'Why no bacon?']
},
drink: {
type: String,
enum: ['coffee', 'tea'],
enum: Object.values(drinkEnum)
}
userId:{
type: Schema.Types.ObjectId, ref: 'User',
}
}, { timestamps: true });
const Breakfast = model
export default Breakfast;
``