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claudiahdz a7c7c703af deps: upgrade npm to 6.13.1 PR-URL: https://github.com/nodejs/node/pull/30533 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>		2019-11-20 19:16:47 -05:00
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index.js
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readme.md

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!'