ionic-framework/core/src/components/nav-push/nav-push.tsx

import { Component, Element, Listen, Prop } from '@stencil/core';

import { ComponentProps, NavComponent } from '../../interface';

@Component({
  tag: 'ion-nav-push'
})
export class NavPush {
  @Element() el!: HTMLElement;

  /**
   * Component to navigate to
   */
  @Prop() component?: NavComponent;

  /**
   * Data you want to pass to the component as props
   */
  @Prop() componentProps?: ComponentProps;

  @Listen('child:click')
  push(): Promise<any> {
    const nav = this.el.closest('ion-nav');
    const toPush = this.component;
    if (nav && toPush && !nav.isAnimating()) {
      return nav.push(toPush, this.componentProps);
    }
    return Promise.resolve(null);
  }
}