Create error class

$ npm install --save create-error-class

var createErrorClass = require('create-error-class');

var HTTPError = createErrorClass('HTTPError', function (props) {
	this.message = 'Status code is ' + props.statusCode;
});

throw new HTTPError({statusCode: 404});

Return constructor of Errors with className.

Required
Type: string

Class name of Error Object. Should contain characters from [0-9a-zA-Z_$] range.

Type: function

Setup function, that will be called after each Error object is created from constructor with context of Error object.

By default setup function sets this.message as first argument:

var MyError = createErrorClass('MyError');

new MyError('Something gone wrong!').message; // => 'Something gone wrong!'

MIT © Vsevolod Strukchinsky