https://github.com/stagas/before

before decorator factory
https://github.com/stagas/before

Last synced: 14 days ago
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before decorator factory

• Host: GitHub
• URL: https://github.com/stagas/before
• Owner: stagas
• Created: 2013-11-21T22:01:50.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2013-11-21T22:02:16.000Z (almost 11 years ago)
• Last Synced: 2024-09-17T00:05:18.660Z (about 2 months ago)
• Language: JavaScript
• Size: 85.9 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: Readme.md
  • Changelog: History.md

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README

        

# before

before decorator factory

## Installation

`npm install before`

## Example

```js

var before = require('before');

// an object with some method

var speak = {

  greeting: 'welcome',

  greet: function(a, b, fn){

    fn(null, a + ' ' + b);

  }

};

// factory before hook method

speak.before = before(speak);

// before greet

speak.before('greet', function(args, fn){

  args[0] = args[0] + ' to this wonderful';

  fn();

});

// one more, this will run first

speak.before('greet', function(args, fn){

  args[0] = args[0] + ', ' + this.greeting;

  fn();

});

// runs mutation hooks, then greets

speak.greet('Human', 'world!', function(err, result){

  console.log(result); // => Human, welcome to this wonderful world!

});

```

## API

### before(context)

Captures `context` to be used by decorator.

### before(method, outer)

Decorates `method` using `outer`.

`outer` is called with `(args, fn)` to allow

arguments mutation.

## License

MIT