Opal-Estate-Pro/node_modules/socket.io-client/lib/on.js

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2019-09-13 06:27:52 +02:00
/**
* 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);
}
};
}