D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
lib
/
node_modules
/
npm
/
node_modules
/
create-error-class
/
Filename :
readme.md
back
Copy
# create-error-class [](https://travis-ci.org/floatdrop/create-error-class) > Create error class ## Install ``` $ npm install --save create-error-class ``` ## Usage ```js 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: ```js var MyError = createErrorClass('MyError'); new MyError('Something gone wrong!').message; // => 'Something gone wrong!' ``` ## License MIT © [Vsevolod Strukchinsky](http://github.com/floatdrop)