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|
| /**
| * Module exports.
| */
|
| module.exports = on;
|
| /**
| * Helper for subscriptions.
| *
| * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
| * @param {String} event name
| * @param {Function} callback
| * @api public
| */
|
| function on (obj, ev, fn) {
| obj.on(ev, fn);
| return {
| destroy: function () {
| obj.removeListener(ev, fn);
| }
| };
| }
|
|
