errorHandler.js

const {constants}=require("../constants");
const errorHandler=(err,req,res,next)=>{
    const statusCode=res.statusCode? res.statusCode:500;
    switch(statusCode){
        case constants.VALIDATION_ERROR:
            res.json({
                title:"Validation Failed",
                message: err.message,
                stackTrace:err.stack
            });
            break;
        case constants.NOT_FOUND:
             res.json({
                title:"Not Found",
                message: err.message,
                stackTrace:err.stack
            });
             case constants.UNAUTHORIZED:
             res.json({
                title:"Unauthorized",
                message: err.message,
                stackTrace:err.stack
            });
             case constants.FORBIDDEN:
             res.json({
                title:"Forbidden",
                message: err.message,
                stackTrace:err.stack
            });
             case constants.SERVER_ERROR:
             res.json({
                title:"Server Error",
                message: err.message,
                stackTrace:err.stack
            });
            default:
                console.log("No error,All good!");
            break;

    }
};
module.exports=errorHandler;