vuetwo/vuetron

// Monkey patch $emit to be able to return emitted events to server
function patchEmit (socket, Vue) {
  Vue.prototype.$emit = (function (original) {
    return function (...cb) {
      let currThis = this;
      // check if event (cb[0]) is a user emitted event
      if (typeof cb[0] === 'string' && !cb[0].includes('hook:')) {
        // socket emit that a user event has been emitted
        socket.emit('clientEmitEvent', cb[0]);
        // find the context that has the correct event
        let temp = Object.getPrototypeOf({});
        Object.setPrototypeOf(currThis._events, temp);
        while (!currThis._events.hasOwnProperty(cb[0]) && this._context !== undefined) {
          currThis = currThis._context;
        }
      }
      original.apply(currThis, cb);
    };
  }(Vue.prototype.$emit));
}

export default patchEmit;