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

$3

Captures context to be used by decorator.

$3

Decorates method using outer.

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

License

MIT