// Dependencies const Err = require("../lib"); // Basic usage var e1 = new Err("Some nasty stuff happened"); console.log(e1); // => [Error: Some nasty stuff happened] // Provide the error code var e2 = new Err("Some nasty stuff happened", "NASTY_STUFF_HAPPENED"); console.log(e2); // => { // [Error: Some nasty stuff happened] // code: 'NASTY_STUFF_HAPPENED' // } // Provide the error code and some data var e3 = new Err("Some nasty stuff happened", "NASTY_STUFF_HAPPENED", { additional: "data" }); console.log(e3); // => { // [Error: Some nasty stuff happened] // additional: 'data' // , code: 'NASTY_STUFF_HAPPENED' // } // Provide the error data (including the code as well) var e3 = new Err("Some nasty stuff happened", { additional: "data" , code: "NASTY_STUFF_HAPPENED" }); console.log(e3); // => { // [Error: Some nasty stuff happened] // additional: 'data' // , code: 'NASTY_STUFF_HAPPENED' // } // Wrap an existing error var existingError = new Error("Some nasty stuff happened"); var e4 = new Err(existingError, { additional: "data" , code: "NASTY_STUFF_HAPPENED" , and: "some more data" }); console.log(e4); // => { // [Error: Some nasty stuff happened] // additional: 'data' // , code: 'NASTY_STUFF_HAPPENED' // , and: 'some more data' // }