create-error-class

Create error class

Install

$ npm install --save create-error-class

Usage

var createErrorClass = require('create-error-class');
 
var HTTPError = createErrorClass('HTTPError', function (props) {
    this.message = 'Status code is ' + props.statusCode;
});
 
throw new HTTPError({statusCode: 404});

API

createErrorClass(className, [setup])

Return constructor of Errors with className.

className

Required
Type: string

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

setup

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!'

License

MIT © Vsevolod Strukchinsky