You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.1 KiB
Markdown
55 lines
1.1 KiB
Markdown
6 years ago
|
# 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)
|