EventEmitter.js

EventEmitter for WebBrowser

Download

• event_emitter.js
• event_emitter.min.js (compressed)

Synopsis

load

<script src="event_emitter.js"></script>

apply

var User = function(){
  new EventEmitter().apply(this);
  this.name = '';
};

regist event listener

var user = new User();
user.name = 'shokai';
user.on('go', function(data.place){
  alert(user.name+' -> '+data.place);
});

call event

user.emit('go', {place: 'mountain'}); // "shokai -> mountain"

regist event using "once"

user.once('eat', function(data){
  alert(user.name+' -> eat '+data.what+' at '+data.where);
});

call

user.emit('eat', {what: 'BEEF', where: 'zanmai'}); // "shokai -> eat BEEF at zanmai"
user.emit('eat', {what: 'Ramen', where: 'marutomo'}); // do not call. call only first time.

remove listener

user.removeListener('eat');
user.removeListener(id);

catch all events

user.on('*', function(event_name, data){
  console.log(event_name + ' was called');
  console.log(data);
});

Test

% npm install -g nodeunit
% make

Build

edit "HEADER.txt"

% npm install -g uglify-js
% make build

=> event_emitter.js and event_emitter.min.js

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request