projecte_ionic/node_modules/@ionic/core/components/ion-router-outlet.js

import { attachShadow, createEvent, h, proxyCustomElement } from '@stencil/core/internal/client';
import { b as getIonMode, c as config } from './ionic-global.js';
import { g as getTimeGivenProgression } from './cubic-bezier.js';
import { a as attachComponent, d as detachComponent } from './framework-delegate.js';
import { t as transition } from './index4.js';

const routeOutletCss = ":host{left:0;right:0;top:0;bottom:0;position:absolute;contain:layout size style;overflow:hidden;z-index:0}";

const RouterOutlet = class extends HTMLElement {
  constructor() {
    super();
    this.__registerHost();
    attachShadow(this);
    this.ionNavWillLoad = createEvent(this, "ionNavWillLoad", 7);
    this.ionNavWillChange = createEvent(this, "ionNavWillChange", 3);
    this.ionNavDidChange = createEvent(this, "ionNavDidChange", 3);
    this.gestureOrAnimationInProgress = false;
    /**
     * The mode determines which platform styles to use.
     */
    this.mode = getIonMode(this);
    /**
     * If `true`, the router-outlet should animate the transition of components.
     */
    this.animated = true;
  }
  swipeHandlerChanged() {
    if (this.gesture) {
      this.gesture.enable(this.swipeHandler !== undefined);
    }
  }
  async connectedCallback() {
    const onStart = () => {
      this.gestureOrAnimationInProgress = true;
      if (this.swipeHandler) {
        this.swipeHandler.onStart();
      }
    };
    this.gesture = (await import('./swipe-back.js')).createSwipeBackGesture(this.el, () => !this.gestureOrAnimationInProgress && !!this.swipeHandler && this.swipeHandler.canStart(), () => onStart(), step => this.ani && this.ani.progressStep(step), (shouldComplete, step, dur) => {
      if (this.ani) {
        this.ani.onFinish(() => {
          this.gestureOrAnimationInProgress = false;
          if (this.swipeHandler) {
            this.swipeHandler.onEnd(shouldComplete);
          }
        }, { oneTimeCallback: true });
        // Account for rounding errors in JS
        let newStepValue = (shouldComplete) ? -0.001 : 0.001;
        /**
         * Animation will be reversed here, so need to
         * reverse the easing curve as well
         *
         * Additionally, we need to account for the time relative
         * to the new easing curve, as `stepValue` is going to be given
         * in terms of a linear curve.
         */
        if (!shouldComplete) {
          this.ani.easing('cubic-bezier(1, 0, 0.68, 0.28)');
          newStepValue += getTimeGivenProgression([0, 0], [1, 0], [0.68, 0.28], [1, 1], step)[0];
        }
        else {
          newStepValue += getTimeGivenProgression([0, 0], [0.32, 0.72], [0, 1], [1, 1], step)[0];
        }
        this.ani.progressEnd(shouldComplete ? 1 : 0, newStepValue, dur);
      }
      else {
        this.gestureOrAnimationInProgress = false;
      }
    });
    this.swipeHandlerChanged();
  }
  componentWillLoad() {
    this.ionNavWillLoad.emit();
  }
  disconnectedCallback() {
    if (this.gesture) {
      this.gesture.destroy();
      this.gesture = undefined;
    }
  }
  /** @internal */
  async commit(enteringEl, leavingEl, opts) {
    const unlock = await this.lock();
    let changed = false;
    try {
      changed = await this.transition(enteringEl, leavingEl, opts);
    }
    catch (e) {
      console.error(e);
    }
    unlock();
    return changed;
  }
  /** @internal */
  async setRouteId(id, params, direction, animation) {
    const changed = await this.setRoot(id, params, {
      duration: direction === 'root' ? 0 : undefined,
      direction: direction === 'back' ? 'back' : 'forward',
      animationBuilder: animation
    });
    return {
      changed,
      element: this.activeEl
    };
  }
  /** @internal */
  async getRouteId() {
    const active = this.activeEl;
    return active ? {
      id: active.tagName,
      element: active,
    } : undefined;
  }
  async setRoot(component, params, opts) {
    if (this.activeComponent === component) {
      return false;
    }
    // attach entering view to DOM
    const leavingEl = this.activeEl;
    const enteringEl = await attachComponent(this.delegate, this.el, component, ['ion-page', 'ion-page-invisible'], params);
    this.activeComponent = component;
    this.activeEl = enteringEl;
    // commit animation
    await this.commit(enteringEl, leavingEl, opts);
    await detachComponent(this.delegate, leavingEl);
    return true;
  }
  async transition(enteringEl, leavingEl, opts = {}) {
    if (leavingEl === enteringEl) {
      return false;
    }
    // emit nav will change event
    this.ionNavWillChange.emit();
    const { el, mode } = this;
    const animated = this.animated && config.getBoolean('animated', true);
    const animationBuilder = opts.animationBuilder || this.animation || config.get('navAnimation');
    await transition(Object.assign(Object.assign({ mode,
      animated,
      enteringEl,
      leavingEl, baseEl: el, progressCallback: (opts.progressAnimation
        ? ani => {
          /**
           * Because this progress callback is called asynchronously
           * it is possible for the gesture to start and end before
           * the animation is ever set. In that scenario, we should
           * immediately call progressEnd so that the transition promise
           * resolves and the gesture does not get locked up.
           */
          if (ani !== undefined && !this.gestureOrAnimationInProgress) {
            this.gestureOrAnimationInProgress = true;
            ani.onFinish(() => {
              this.gestureOrAnimationInProgress = false;
              if (this.swipeHandler) {
                this.swipeHandler.onEnd(false);
              }
            }, { oneTimeCallback: true });
            /**
             * Playing animation to beginning
             * with a duration of 0 prevents
             * any flickering when the animation
             * is later cleaned up.
             */
            ani.progressEnd(0, 0, 0);
          }
          else {
            this.ani = ani;
          }
        }
        : undefined) }, opts), { animationBuilder }));
    // emit nav changed event
    this.ionNavDidChange.emit();
    return true;
  }
  async lock() {
    const p = this.waitPromise;
    let resolve;
    this.waitPromise = new Promise(r => resolve = r);
    if (p !== undefined) {
      await p;
    }
    return resolve;
  }
  render() {
    return (h("slot", null));
  }
  get el() { return this; }
  static get watchers() { return {
    "swipeHandler": ["swipeHandlerChanged"]
  }; }
  static get style() { return routeOutletCss; }
};

const IonRouterOutlet = /*@__PURE__*/proxyCustomElement(RouterOutlet, [1,"ion-router-outlet",{"mode":[1025],"delegate":[16],"animated":[4],"animation":[16],"swipeHandler":[16]}]);

export { IonRouterOutlet };