ionic-framework/angular/src/directives/proxies-utils.ts

/* tslint:disable */
import { fromEvent } from 'rxjs';

export function proxyInputs(Cmp: any, inputs: string[]) {
  const Prototype = Cmp.prototype;
  inputs.forEach(item => {
    Object.defineProperty(Prototype, item, {
      get() { return this.el[item]; },
      set(val: any) { this.el[item] = val; },
    });
  });
}

export function proxyMethods(Cmp: any, methods: string[]) {
  const Prototype = Cmp.prototype;
  methods.forEach(methodName => {
    Prototype[methodName] = function() {
      const args = arguments;
      return this.el.componentOnReady().then((el: any) => el[methodName].apply(el, args));
    };
  });
}

export function proxyOutputs(instance: any, el: any, events: string[]) {
  events.forEach(eventName => instance[eventName] = fromEvent(el, eventName));
}