Elijah
724d70e58b
Some checks failed
Automated Container Build / build-and-push (push) Failing after 12s
46 lines
No EOL
1.9 KiB
JavaScript
46 lines
No EOL
1.9 KiB
JavaScript
var CustomError = require('../index');
|
|
|
|
// define a custom error with a default message
|
|
var Parent = CustomError('ParentError', { message: 'Parent error' });
|
|
|
|
// define a custom error that inherits from the Parent custom error
|
|
var Child = CustomError('ChildError', Parent, { message: 'Child error' });
|
|
|
|
var e;
|
|
|
|
// create an error instance that uses defaults
|
|
e = Parent();
|
|
console.log(e.toString()); // "ParentError: Parent error"
|
|
console.log(e.message); // "Parent error"
|
|
console.log(e.name); // "ParentError"
|
|
console.log(e.constructor.name); // "ParentError"
|
|
console.log(e instanceof Parent); // true
|
|
console.log(e instanceof Error); // true
|
|
|
|
// create an error instance that overwrites the default message
|
|
e = Parent('Hello');
|
|
console.log(e.toString()); // "ParentError: Hello"
|
|
console.log(e.message); // "Hello"
|
|
console.log(e.name); // "ParentError"
|
|
console.log(e.constructor.name); // "ParentError"
|
|
console.log(e instanceof Parent); // true
|
|
console.log(e instanceof Error); // true
|
|
|
|
// create an error instance that overwrites the default message and defines a code
|
|
e = Parent({ message: 'Hello', code: 'XYZ' });
|
|
console.log(e.toString()); // "ParentError XYZ: Hello"
|
|
console.log(e.message); // "Hello"
|
|
console.log(e.name); // "ParentError"
|
|
console.log(e.constructor.name); // "ParentError"
|
|
console.log(e instanceof Parent); // true
|
|
console.log(e instanceof Error); // true
|
|
|
|
// create an error instance of the Child custom error
|
|
e = Child();
|
|
console.log(e.toString()); // "ParentError: Child error"
|
|
console.log(e.message); // "Child error"
|
|
console.log(e.name); // "ChildError"
|
|
console.log(e.constructor.name); // "ChildError"
|
|
console.log(e instanceof Child); // true
|
|
console.log(e instanceof Parent); // true
|
|
console.log(e instanceof Error); // true
|