@ionic/core/components/ion-modal.js

/*!
 * (C) Ionic http://ionicframework.com - MIT License
 */
import { proxyCustomElement, HTMLElement, createEvent, writeTask, h, Host } from '@stencil/core/internal/client';
import { b as getIonMode, c as config } from './ionic-global.js';
import { C as CoreDelegate, a as attachComponent, d as detachComponent } from './framework-delegate.js';
import { j as clamp, g as getElementRoot, r as raf } from './helpers.js';
import { KEYBOARD_DID_OPEN } from './keyboard.js';
import { B as BACKDROP, e as prepareOverlay, d as present, k as activeAnimations, f as dismiss, g as eventMethod } from './overlays.js';
import { g as getClassMap } from './theme.js';
import { e as deepReady } from './index4.js';
import { c as createAnimation } from './animation.js';
import { g as getTimeGivenProgression } from './cubic-bezier.js';
import { createGesture } from './index2.js';
import { d as defineCustomElement$2 } from './backdrop.js';

// Defaults for the card swipe animation
const SwipeToCloseDefaults = {
  MIN_PRESENTING_SCALE: 0.93,
};
const createSwipeToCloseGesture = (el, animation, onDismiss) => {
  const height = el.offsetHeight;
  let isOpen = false;
  const canStart = (detail) => {
    const target = detail.event.target;
    if (target === null ||
      !target.closest) {
      return true;
    }
    const contentOrFooter = target.closest('ion-content, ion-footer');
    if (contentOrFooter === null) {
      return true;
    }
    // Target is in the content or the footer so do not start the gesture.
    // We could be more nuanced here and allow it for content that
    // does not need to scroll.
    return false;
  };
  const onStart = () => {
    animation.progressStart(true, (isOpen) ? 1 : 0);
  };
  const onMove = (detail) => {
    const step = clamp(0.0001, detail.deltaY / height, 0.9999);
    animation.progressStep(step);
  };
  const onEnd = (detail) => {
    const velocity = detail.velocityY;
    const step = clamp(0.0001, detail.deltaY / height, 0.9999);
    const threshold = (detail.deltaY + velocity * 1000) / height;
    const shouldComplete = threshold >= 0.5;
    let newStepValue = (shouldComplete) ? -0.001 : 0.001;
    if (!shouldComplete) {
      animation.easing('cubic-bezier(1, 0, 0.68, 0.28)');
      newStepValue += getTimeGivenProgression([0, 0], [1, 0], [0.68, 0.28], [1, 1], step)[0];
    }
    else {
      animation.easing('cubic-bezier(0.32, 0.72, 0, 1)');
      newStepValue += getTimeGivenProgression([0, 0], [0.32, 0.72], [0, 1], [1, 1], step)[0];
    }
    const duration = (shouldComplete) ? computeDuration(step * height, velocity) : computeDuration((1 - step) * height, velocity);
    isOpen = shouldComplete;
    gesture.enable(false);
    animation
      .onFinish(() => {
      if (!shouldComplete) {
        gesture.enable(true);
      }
    })
      .progressEnd((shouldComplete) ? 1 : 0, newStepValue, duration);
    if (shouldComplete) {
      onDismiss();
    }
  };
  const gesture = createGesture({
    el,
    gestureName: 'modalSwipeToClose',
    gesturePriority: 40,
    direction: 'y',
    threshold: 10,
    canStart,
    onStart,
    onMove,
    onEnd
  });
  return gesture;
};
const computeDuration = (remaining, velocity) => {
  return clamp(400, remaining / Math.abs(velocity * 1.1), 500);
};

/**
 * Use y = mx + b to
 * figure out the backdrop value
 * at a particular x coordinate. This
 * is useful when the backdrop does
 * not begin to fade in until after
 * the 0 breakpoint.
 */
const getBackdropValueForSheet = (x, backdropBreakpoint) => {
  /**
   * We will use these points:
   * (backdropBreakpoint, 0)
   * (maxBreakpoint, 1)
   * We know that at the beginning breakpoint,
   * the backdrop will be hidden. We also
   * know that at the maxBreakpoint, the backdrop
   * must be fully visible. maxBreakpoint should
   * always be 1 even if the maximum value
   * of the breakpoints array is not 1 since
   * the animation runs from a progress of 0
   * to a progress of 1.
   * m = (y2 - y1) / (x2 - x1)
   *
   * This is simplified from:
   * m = (1 - 0) / (maxBreakpoint - backdropBreakpoint)
   */
  const slope = 1 / (1 - backdropBreakpoint);
  /**
   * From here, compute b which is
   * the backdrop opacity if the offset
   * is 0. If the backdrop does not
   * begin to fade in until after the
   * 0 breakpoint, this b value will be
   * negative. This is fine as we never pass
   * b directly into the animation keyframes.
   * b = y - mx
   * Use a known point: (backdropBreakpoint, 0)
   * This is simplified from:
   * b = 0 - (backdropBreakpoint * slope)
   */
  const b = -(backdropBreakpoint * slope);
  /**
   * Finally, we can now determine the
   * backdrop offset given an arbitrary
   * gesture offset.
   */
  return (x * slope) + b;
};

const createSheetEnterAnimation = (opts) => {
  const { currentBreakpoint, backdropBreakpoint } = opts;
  /**
   * If the backdropBreakpoint is undefined, then the backdrop
   * should always fade in. If the backdropBreakpoint came before the
   * current breakpoint, then the backdrop should be fading in.
   */
  const shouldShowBackdrop = backdropBreakpoint === undefined || backdropBreakpoint < currentBreakpoint;
  const initialBackdrop = shouldShowBackdrop ? `calc(var(--backdrop-opacity) * ${currentBreakpoint})` : '0';
  const backdropAnimation = createAnimation('backdropAnimation')
    .fromTo('opacity', 0, initialBackdrop);
  if (shouldShowBackdrop) {
    backdropAnimation
      .beforeStyles({
      'pointer-events': 'none'
    })
      .afterClearStyles(['pointer-events']);
  }
  const wrapperAnimation = createAnimation('wrapperAnimation')
    .keyframes([
    { offset: 0, opacity: 1, transform: 'translateY(100%)' },
    { offset: 1, opacity: 1, transform: `translateY(${100 - (currentBreakpoint * 100)}%)` }
  ]);
  return { wrapperAnimation, backdropAnimation };
};
const createSheetLeaveAnimation = (opts) => {
  const { currentBreakpoint, backdropBreakpoint } = opts;
  /**
   * Backdrop does not always fade in from 0 to 1 if backdropBreakpoint
   * is defined, so we need to account for that offset by figuring out
   * what the current backdrop value should be.
   */
  const backdropValue = `calc(var(--backdrop-opacity) * ${getBackdropValueForSheet(currentBreakpoint, backdropBreakpoint)})`;
  const defaultBackdrop = [
    { offset: 0, opacity: backdropValue },
    { offset: 1, opacity: 0 }
  ];
  const customBackdrop = [
    { offset: 0, opacity: backdropValue },
    { offset: backdropBreakpoint, opacity: 0 },
    { offset: 1, opacity: 0 }
  ];
  const backdropAnimation = createAnimation('backdropAnimation')
    .keyframes(backdropBreakpoint !== 0 ? customBackdrop : defaultBackdrop);
  const wrapperAnimation = createAnimation('wrapperAnimation')
    .keyframes([
    { offset: 0, opacity: 1, transform: `translateY(${100 - (currentBreakpoint * 100)}%)` },
    { offset: 1, opacity: 1, transform: `translateY(100%)` }
  ]);
  return { wrapperAnimation, backdropAnimation };
};

const createEnterAnimation$1 = () => {
  const backdropAnimation = createAnimation()
    .fromTo('opacity', 0.01, 'var(--backdrop-opacity)')
    .beforeStyles({
    'pointer-events': 'none'
  })
    .afterClearStyles(['pointer-events']);
  const wrapperAnimation = createAnimation()
    .fromTo('transform', 'translateY(100vh)', 'translateY(0vh)');
  return { backdropAnimation, wrapperAnimation };
};
/**
 * iOS Modal Enter Animation for the Card presentation style
 */
const iosEnterAnimation = (baseEl, opts) => {
  const { presentingEl, currentBreakpoint } = opts;
  const root = getElementRoot(baseEl);
  const { wrapperAnimation, backdropAnimation } = currentBreakpoint !== undefined ? createSheetEnterAnimation(opts) : createEnterAnimation$1();
  backdropAnimation
    .addElement(root.querySelector('ion-backdrop'));
  wrapperAnimation
    .addElement(root.querySelectorAll('.modal-wrapper, .modal-shadow'))
    .beforeStyles({ 'opacity': 1 });
  const baseAnimation = createAnimation('entering-base')
    .addElement(baseEl)
    .easing('cubic-bezier(0.32,0.72,0,1)')
    .duration(500)
    .addAnimation(wrapperAnimation);
  if (presentingEl) {
    const isMobile = window.innerWidth < 768;
    const hasCardModal = (presentingEl.tagName === 'ION-MODAL' && presentingEl.presentingElement !== undefined);
    const presentingElRoot = getElementRoot(presentingEl);
    const presentingAnimation = createAnimation()
      .beforeStyles({
      'transform': 'translateY(0)',
      'transform-origin': 'top center',
      'overflow': 'hidden'
    });
    const bodyEl = document.body;
    if (isMobile) {
      /**
       * Fallback for browsers that does not support `max()` (ex: Firefox)
       * No need to worry about statusbar padding since engines like Gecko
       * are not used as the engine for standalone Cordova/Capacitor apps
       */
      const transformOffset = (!CSS.supports('width', 'max(0px, 1px)')) ? '30px' : 'max(30px, var(--ion-safe-area-top))';
      const modalTransform = hasCardModal ? '-10px' : transformOffset;
      const toPresentingScale = SwipeToCloseDefaults.MIN_PRESENTING_SCALE;
      const finalTransform = `translateY(${modalTransform}) scale(${toPresentingScale})`;
      presentingAnimation
        .afterStyles({
        'transform': finalTransform
      })
        .beforeAddWrite(() => bodyEl.style.setProperty('background-color', 'black'))
        .addElement(presentingEl)
        .keyframes([
        { offset: 0, filter: 'contrast(1)', transform: 'translateY(0px) scale(1)', borderRadius: '0px' },
        { offset: 1, filter: 'contrast(0.85)', transform: finalTransform, borderRadius: '10px 10px 0 0' }
      ]);
      baseAnimation.addAnimation(presentingAnimation);
    }
    else {
      baseAnimation.addAnimation(backdropAnimation);
      if (!hasCardModal) {
        wrapperAnimation.fromTo('opacity', '0', '1');
      }
      else {
        const toPresentingScale = (hasCardModal) ? SwipeToCloseDefaults.MIN_PRESENTING_SCALE : 1;
        const finalTransform = `translateY(-10px) scale(${toPresentingScale})`;
        presentingAnimation
          .afterStyles({
          'transform': finalTransform
        })
          .addElement(presentingElRoot.querySelector('.modal-wrapper'))
          .keyframes([
          { offset: 0, filter: 'contrast(1)', transform: 'translateY(0) scale(1)' },
          { offset: 1, filter: 'contrast(0.85)', transform: finalTransform }
        ]);
        const shadowAnimation = createAnimation()
          .afterStyles({
          'transform': finalTransform
        })
          .addElement(presentingElRoot.querySelector('.modal-shadow'))
          .keyframes([
          { offset: 0, opacity: '1', transform: 'translateY(0) scale(1)' },
          { offset: 1, opacity: '0', transform: finalTransform }
        ]);
        baseAnimation.addAnimation([presentingAnimation, shadowAnimation]);
      }
    }
  }
  else {
    baseAnimation.addAnimation(backdropAnimation);
  }
  return baseAnimation;
};

const createLeaveAnimation$1 = () => {
  const backdropAnimation = createAnimation()
    .fromTo('opacity', 'var(--backdrop-opacity)', 0);
  const wrapperAnimation = createAnimation()
    .fromTo('transform', 'translateY(0vh)', 'translateY(100vh)');
  return { backdropAnimation, wrapperAnimation };
};
/**
 * iOS Modal Leave Animation
 */
const iosLeaveAnimation = (baseEl, opts, duration = 500) => {
  const { presentingEl, currentBreakpoint } = opts;
  const root = getElementRoot(baseEl);
  const { wrapperAnimation, backdropAnimation } = currentBreakpoint !== undefined ? createSheetLeaveAnimation(opts) : createLeaveAnimation$1();
  backdropAnimation.addElement(root.querySelector('ion-backdrop'));
  wrapperAnimation
    .addElement(root.querySelectorAll('.modal-wrapper, .modal-shadow'))
    .beforeStyles({ 'opacity': 1 });
  const baseAnimation = createAnimation('leaving-base')
    .addElement(baseEl)
    .easing('cubic-bezier(0.32,0.72,0,1)')
    .duration(duration)
    .addAnimation(wrapperAnimation);
  if (presentingEl) {
    const isMobile = window.innerWidth < 768;
    const hasCardModal = (presentingEl.tagName === 'ION-MODAL' && presentingEl.presentingElement !== undefined);
    const presentingElRoot = getElementRoot(presentingEl);
    const presentingAnimation = createAnimation()
      .beforeClearStyles(['transform'])
      .afterClearStyles(['transform'])
      .onFinish(currentStep => {
      // only reset background color if this is the last card-style modal
      if (currentStep !== 1) {
        return;
      }
      presentingEl.style.setProperty('overflow', '');
      const numModals = Array.from(bodyEl.querySelectorAll('ion-modal')).filter(m => m.presentingElement !== undefined).length;
      if (numModals <= 1) {
        bodyEl.style.setProperty('background-color', '');
      }
    });
    const bodyEl = document.body;
    if (isMobile) {
      const transformOffset = (!CSS.supports('width', 'max(0px, 1px)')) ? '30px' : 'max(30px, var(--ion-safe-area-top))';
      const modalTransform = hasCardModal ? '-10px' : transformOffset;
      const toPresentingScale = SwipeToCloseDefaults.MIN_PRESENTING_SCALE;
      const finalTransform = `translateY(${modalTransform}) scale(${toPresentingScale})`;
      presentingAnimation
        .addElement(presentingEl)
        .keyframes([
        { offset: 0, filter: 'contrast(0.85)', transform: finalTransform, borderRadius: '10px 10px 0 0' },
        { offset: 1, filter: 'contrast(1)', transform: 'translateY(0px) scale(1)', borderRadius: '0px' }
      ]);
      baseAnimation.addAnimation(presentingAnimation);
    }
    else {
      baseAnimation.addAnimation(backdropAnimation);
      if (!hasCardModal) {
        wrapperAnimation.fromTo('opacity', '1', '0');
      }
      else {
        const toPresentingScale = (hasCardModal) ? SwipeToCloseDefaults.MIN_PRESENTING_SCALE : 1;
        const finalTransform = `translateY(-10px) scale(${toPresentingScale})`;
        presentingAnimation
          .addElement(presentingElRoot.querySelector('.modal-wrapper'))
          .afterStyles({
          'transform': 'translate3d(0, 0, 0)'
        })
          .keyframes([
          { offset: 0, filter: 'contrast(0.85)', transform: finalTransform },
          { offset: 1, filter: 'contrast(1)', transform: 'translateY(0) scale(1)' }
        ]);
        const shadowAnimation = createAnimation()
          .addElement(presentingElRoot.querySelector('.modal-shadow'))
          .afterStyles({
          'transform': 'translateY(0) scale(1)'
        })
          .keyframes([
          { offset: 0, opacity: '0', transform: finalTransform },
          { offset: 1, opacity: '1', transform: 'translateY(0) scale(1)' }
        ]);
        baseAnimation.addAnimation([presentingAnimation, shadowAnimation]);
      }
    }
  }
  else {
    baseAnimation.addAnimation(backdropAnimation);
  }
  return baseAnimation;
};

const createEnterAnimation = () => {
  const backdropAnimation = createAnimation()
    .fromTo('opacity', 0.01, 'var(--backdrop-opacity)')
    .beforeStyles({
    'pointer-events': 'none'
  })
    .afterClearStyles(['pointer-events']);
  const wrapperAnimation = createAnimation()
    .keyframes([
    { offset: 0, opacity: 0.01, transform: 'translateY(40px)' },
    { offset: 1, opacity: 1, transform: `translateY(0px)` }
  ]);
  return { backdropAnimation, wrapperAnimation };
};
/**
 * Md Modal Enter Animation
 */
const mdEnterAnimation = (baseEl, opts) => {
  const { currentBreakpoint } = opts;
  const root = getElementRoot(baseEl);
  const { wrapperAnimation, backdropAnimation } = currentBreakpoint !== undefined ? createSheetEnterAnimation(opts) : createEnterAnimation();
  backdropAnimation
    .addElement(root.querySelector('ion-backdrop'));
  wrapperAnimation
    .addElement(root.querySelector('.modal-wrapper'));
  return createAnimation()
    .addElement(baseEl)
    .easing('cubic-bezier(0.36,0.66,0.04,1)')
    .duration(280)
    .addAnimation([backdropAnimation, wrapperAnimation]);
};

const createLeaveAnimation = () => {
  const backdropAnimation = createAnimation()
    .fromTo('opacity', 'var(--backdrop-opacity)', 0);
  const wrapperAnimation = createAnimation()
    .keyframes([
    { offset: 0, opacity: 0.99, transform: `translateY(0px)` },
    { offset: 1, opacity: 0, transform: 'translateY(40px)' }
  ]);
  return { backdropAnimation, wrapperAnimation };
};
/**
 * Md Modal Leave Animation
 */
const mdLeaveAnimation = (baseEl, opts) => {
  const { currentBreakpoint } = opts;
  const root = getElementRoot(baseEl);
  const { wrapperAnimation, backdropAnimation } = currentBreakpoint !== undefined ? createSheetLeaveAnimation(opts) : createLeaveAnimation();
  backdropAnimation.addElement(root.querySelector('ion-backdrop'));
  wrapperAnimation.addElement(root.querySelector('.modal-wrapper'));
  return createAnimation()
    .easing('cubic-bezier(0.47,0,0.745,0.715)')
    .duration(200)
    .addAnimation([backdropAnimation, wrapperAnimation]);
};

const createSheetGesture = (baseEl, backdropEl, wrapperEl, initialBreakpoint, backdropBreakpoint, animation, breakpoints = [], onDismiss, onBreakpointChange) => {
  // Defaults for the sheet swipe animation
  const defaultBackdrop = [
    { offset: 0, opacity: 'var(--backdrop-opacity)' },
    { offset: 1, opacity: 0.01 }
  ];
  const customBackdrop = [
    { offset: 0, opacity: 'var(--backdrop-opacity)' },
    { offset: 1 - backdropBreakpoint, opacity: 0 },
    { offset: 1, opacity: 0 }
  ];
  const SheetDefaults = {
    WRAPPER_KEYFRAMES: [
      { offset: 0, transform: 'translateY(0%)' },
      { offset: 1, transform: 'translateY(100%)' }
    ],
    BACKDROP_KEYFRAMES: (backdropBreakpoint !== 0) ? customBackdrop : defaultBackdrop
  };
  const contentEl = baseEl.querySelector('ion-content');
  const height = wrapperEl.clientHeight;
  let currentBreakpoint = initialBreakpoint;
  let offset = 0;
  const wrapperAnimation = animation.childAnimations.find(ani => ani.id === 'wrapperAnimation');
  const backdropAnimation = animation.childAnimations.find(ani => ani.id === 'backdropAnimation');
  const maxBreakpoint = breakpoints[breakpoints.length - 1];
  const enableBackdrop = () => {
    baseEl.style.setProperty('pointer-events', 'auto');
    backdropEl.style.setProperty('pointer-events', 'auto');
    /**
     * When the backdrop is enabled, elements such
     * as inputs should not be focusable outside
     * the sheet.
     */
    baseEl.classList.remove('ion-disable-focus-trap');
  };
  const disableBackdrop = () => {
    baseEl.style.setProperty('pointer-events', 'none');
    backdropEl.style.setProperty('pointer-events', 'none');
    /**
     * When the backdrop is enabled, elements such
     * as inputs should not be focusable outside
     * the sheet.
     * Adding this class disables focus trapping
     * for the sheet temporarily.
     */
    baseEl.classList.add('ion-disable-focus-trap');
  };
  /**
   * After the entering animation completes,
   * we need to set the animation to go from
   * offset 0 to offset 1 so that users can
   * swipe in any direction. We then set the
   * animation offset to the current breakpoint
   * so there is no flickering.
   */
  if (wrapperAnimation && backdropAnimation) {
    wrapperAnimation.keyframes([...SheetDefaults.WRAPPER_KEYFRAMES]);
    backdropAnimation.keyframes([...SheetDefaults.BACKDROP_KEYFRAMES]);
    animation.progressStart(true, 1 - currentBreakpoint);
    /**
     * If backdrop is not enabled, then content
     * behind modal should be clickable. To do this, we need
     * to remove pointer-events from ion-modal as a whole.
     * ion-backdrop and .modal-wrapper always have pointer-events: auto
     * applied, so the modal content can still be interacted with.
     */
    const shouldEnableBackdrop = currentBreakpoint > backdropBreakpoint;
    if (shouldEnableBackdrop) {
      enableBackdrop();
    }
    else {
      disableBackdrop();
    }
  }
  if (contentEl && currentBreakpoint !== maxBreakpoint) {
    contentEl.scrollY = false;
  }
  const canStart = (detail) => {
    /**
     * If the sheet is fully expanded and
     * the user is swiping on the content,
     * the gesture should not start to
     * allow for scrolling on the content.
     */
    const content = detail.event.target.closest('ion-content');
    if (currentBreakpoint === 1 && content) {
      return false;
    }
    return true;
  };
  const onStart = () => {
    /**
     * If swiping on the content
     * we should disable scrolling otherwise
     * the sheet will expand and the content will scroll.
     */
    if (contentEl) {
      contentEl.scrollY = false;
    }
    raf(() => {
      /**
       * Dismisses the open keyboard when the sheet drag gesture is started.
       * Sets the focus onto the modal element.
       */
      baseEl.focus();
    });
    animation.progressStart(true, 1 - currentBreakpoint);
  };
  const onMove = (detail) => {
    /**
     * Given the change in gesture position on the Y axis,
     * compute where the offset of the animation should be
     * relative to where the user dragged.
     */
    const initialStep = 1 - currentBreakpoint;
    offset = clamp(0.0001, initialStep + (detail.deltaY / height), 0.9999);
    animation.progressStep(offset);
  };
  const onEnd = (detail) => {
    /**
     * When the gesture releases, we need to determine
     * the closest breakpoint to snap to.
     */
    const velocity = detail.velocityY;
    const threshold = (detail.deltaY + velocity * 100) / height;
    const diff = currentBreakpoint - threshold;
    const closest = breakpoints.reduce((a, b) => {
      return Math.abs(b - diff) < Math.abs(a - diff) ? b : a;
    });
    const shouldRemainOpen = closest !== 0;
    currentBreakpoint = 0;
    /**
     * Update the animation so that it plays from
     * the last offset to the closest snap point.
     */
    if (wrapperAnimation && backdropAnimation) {
      wrapperAnimation.keyframes([
        { offset: 0, transform: `translateY(${offset * 100}%)` },
        { offset: 1, transform: `translateY(${(1 - closest) * 100}%)` }
      ]);
      backdropAnimation.keyframes([
        { offset: 0, opacity: `calc(var(--backdrop-opacity) * ${getBackdropValueForSheet(1 - offset, backdropBreakpoint)})` },
        { offset: 1, opacity: `calc(var(--backdrop-opacity) * ${getBackdropValueForSheet(closest, backdropBreakpoint)})` }
      ]);
      animation.progressStep(0);
    }
    /**
     * Gesture should remain disabled until the
     * snapping animation completes.
     */
    gesture.enable(false);
    animation
      .onFinish(() => {
      if (shouldRemainOpen) {
        /**
         * Once the snapping animation completes,
         * we need to reset the animation to go
         * from 0 to 1 so users can swipe in any direction.
         * We then set the animation offset to the current
         * breakpoint so that it starts at the snapped position.
         */
        if (wrapperAnimation && backdropAnimation) {
          raf(() => {
            wrapperAnimation.keyframes([...SheetDefaults.WRAPPER_KEYFRAMES]);
            backdropAnimation.keyframes([...SheetDefaults.BACKDROP_KEYFRAMES]);
            animation.progressStart(true, 1 - closest);
            currentBreakpoint = closest;
            onBreakpointChange(currentBreakpoint);
            /**
             * If the sheet is fully expanded, we can safely
             * enable scrolling again.
             */
            if (contentEl && currentBreakpoint === breakpoints[breakpoints.length - 1]) {
              contentEl.scrollY = true;
            }
            /**
             * Backdrop should become enabled
             * after the backdropBreakpoint value
             */
            const shouldEnableBackdrop = currentBreakpoint > backdropBreakpoint;
            if (shouldEnableBackdrop) {
              enableBackdrop();
            }
            else {
              disableBackdrop();
            }
            gesture.enable(true);
          });
        }
        else {
          gesture.enable(true);
        }
      }
      /**
       * This must be a one time callback
       * otherwise a new callback will
       * be added every time onEnd runs.
       */
    }, { oneTimeCallback: true })
      .progressEnd(1, 0, 500);
    if (!shouldRemainOpen) {
      onDismiss();
    }
  };
  const gesture = createGesture({
    el: wrapperEl,
    gestureName: 'modalSheet',
    gesturePriority: 40,
    direction: 'y',
    threshold: 10,
    canStart,
    onStart,
    onMove,
    onEnd
  });
  return gesture;
};

const modalIosCss = ":host{--width:100%;--min-width:auto;--max-width:auto;--height:100%;--min-height:auto;--max-height:auto;--overflow:hidden;--border-radius:0;--border-width:0;--border-style:none;--border-color:transparent;--background:var(--ion-background-color, #fff);--box-shadow:none;--backdrop-opacity:0;left:0;right:0;top:0;bottom:0;display:-ms-flexbox;display:flex;position:absolute;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;outline:none;contain:strict}.modal-wrapper,ion-backdrop{pointer-events:auto}:host(.overlay-hidden){display:none}.modal-wrapper,.modal-shadow{border-radius:var(--border-radius);width:var(--width);min-width:var(--min-width);max-width:var(--max-width);height:var(--height);min-height:var(--min-height);max-height:var(--max-height);border-width:var(--border-width);border-style:var(--border-style);border-color:var(--border-color);background:var(--background);-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);overflow:var(--overflow);z-index:10}.modal-shadow{position:absolute;background:transparent}@media only screen and (min-width: 768px) and (min-height: 600px){:host{--width:600px;--height:500px;--ion-safe-area-top:0px;--ion-safe-area-bottom:0px;--ion-safe-area-right:0px;--ion-safe-area-left:0px}}@media only screen and (min-width: 768px) and (min-height: 768px){:host{--width:600px;--height:600px}}.modal-handle{left:0px;right:0px;top:5px;border-radius:8px;margin-left:auto;margin-right:auto;position:absolute;width:36px;height:5px;-webkit-transform:translateZ(0);transform:translateZ(0);background:var(--ion-color-step-350, #c0c0be);z-index:11}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.modal-handle{margin-left:unset;margin-right:unset;-webkit-margin-start:auto;margin-inline-start:auto;-webkit-margin-end:auto;margin-inline-end:auto}}:host(.modal-sheet){--height:calc(100% - (var(--ion-safe-area-top) + 10px))}:host(.modal-sheet) .modal-wrapper,:host(.modal-sheet) .modal-shadow{position:absolute;bottom:0}:host{--backdrop-opacity:var(--ion-backdrop-opacity, 0.4)}:host(.modal-card),:host(.modal-sheet){--border-radius:10px}@media only screen and (min-width: 768px) and (min-height: 600px){:host{--border-radius:10px}}.modal-wrapper{-webkit-transform:translate3d(0,  100%,  0);transform:translate3d(0,  100%,  0)}@media screen and (max-width: 767px){@supports (width: max(0px, 1px)){:host(.modal-card){--height:calc(100% - max(30px, var(--ion-safe-area-top)) - 10px)}}@supports not (width: max(0px, 1px)){:host(.modal-card){--height:calc(100% - 40px)}}:host(.modal-card) .modal-wrapper{border-top-left-radius:var(--border-radius);border-top-right-radius:var(--border-radius);border-bottom-right-radius:0;border-bottom-left-radius:0}:host-context([dir=rtl]):host(.modal-card) .modal-wrapper,:host-context([dir=rtl]).modal-card .modal-wrapper{border-top-left-radius:var(--border-radius);border-top-right-radius:var(--border-radius);border-bottom-right-radius:0;border-bottom-left-radius:0}:host(.modal-card){--backdrop-opacity:0;--width:100%;-ms-flex-align:end;align-items:flex-end}:host(.modal-card) .modal-shadow{display:none}:host(.modal-card) ion-backdrop{pointer-events:none}}@media screen and (min-width: 768px){:host(.modal-card){--width:calc(100% - 120px);--height:calc(100% - (120px + var(--ion-safe-area-top) + var(--ion-safe-area-bottom)));--max-width:720px;--max-height:1000px;--backdrop-opacity:0;--box-shadow:0px 0px 30px 10px rgba(0, 0, 0, 0.1);-webkit-transition:all 0.5s ease-in-out;transition:all 0.5s ease-in-out}:host(.modal-card) .modal-wrapper{-webkit-box-shadow:none;box-shadow:none}:host(.modal-card) .modal-shadow{-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow)}}:host(.modal-sheet) .modal-wrapper{border-top-left-radius:var(--border-radius);border-top-right-radius:var(--border-radius);border-bottom-right-radius:0;border-bottom-left-radius:0}:host-context([dir=rtl]):host(.modal-sheet) .modal-wrapper,:host-context([dir=rtl]).modal-sheet .modal-wrapper{border-top-left-radius:var(--border-radius);border-top-right-radius:var(--border-radius);border-bottom-right-radius:0;border-bottom-left-radius:0}";

const modalMdCss = ":host{--width:100%;--min-width:auto;--max-width:auto;--height:100%;--min-height:auto;--max-height:auto;--overflow:hidden;--border-radius:0;--border-width:0;--border-style:none;--border-color:transparent;--background:var(--ion-background-color, #fff);--box-shadow:none;--backdrop-opacity:0;left:0;right:0;top:0;bottom:0;display:-ms-flexbox;display:flex;position:absolute;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;outline:none;contain:strict}.modal-wrapper,ion-backdrop{pointer-events:auto}:host(.overlay-hidden){display:none}.modal-wrapper,.modal-shadow{border-radius:var(--border-radius);width:var(--width);min-width:var(--min-width);max-width:var(--max-width);height:var(--height);min-height:var(--min-height);max-height:var(--max-height);border-width:var(--border-width);border-style:var(--border-style);border-color:var(--border-color);background:var(--background);-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);overflow:var(--overflow);z-index:10}.modal-shadow{position:absolute;background:transparent}@media only screen and (min-width: 768px) and (min-height: 600px){:host{--width:600px;--height:500px;--ion-safe-area-top:0px;--ion-safe-area-bottom:0px;--ion-safe-area-right:0px;--ion-safe-area-left:0px}}@media only screen and (min-width: 768px) and (min-height: 768px){:host{--width:600px;--height:600px}}.modal-handle{left:0px;right:0px;top:5px;border-radius:8px;margin-left:auto;margin-right:auto;position:absolute;width:36px;height:5px;-webkit-transform:translateZ(0);transform:translateZ(0);background:var(--ion-color-step-350, #c0c0be);z-index:11}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.modal-handle{margin-left:unset;margin-right:unset;-webkit-margin-start:auto;margin-inline-start:auto;-webkit-margin-end:auto;margin-inline-end:auto}}:host(.modal-sheet){--height:calc(100% - (var(--ion-safe-area-top) + 10px))}:host(.modal-sheet) .modal-wrapper,:host(.modal-sheet) .modal-shadow{position:absolute;bottom:0}:host{--backdrop-opacity:var(--ion-backdrop-opacity, 0.32)}@media only screen and (min-width: 768px) and (min-height: 600px){:host{--border-radius:2px;--box-shadow:0 28px 48px rgba(0, 0, 0, 0.4)}}.modal-wrapper{-webkit-transform:translate3d(0,  40px,  0);transform:translate3d(0,  40px,  0);opacity:0.01}";

const Modal = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
  constructor() {
    super();
    this.__registerHost();
    this.__attachShadow();
    this.didPresent = createEvent(this, "ionModalDidPresent", 7);
    this.willPresent = createEvent(this, "ionModalWillPresent", 7);
    this.willDismiss = createEvent(this, "ionModalWillDismiss", 7);
    this.didDismiss = createEvent(this, "ionModalDidDismiss", 7);
    this.didPresentShorthand = createEvent(this, "didPresent", 7);
    this.willPresentShorthand = createEvent(this, "willPresent", 7);
    this.willDismissShorthand = createEvent(this, "willDismiss", 7);
    this.didDismissShorthand = createEvent(this, "didDismiss", 7);
    this.modalIndex = modalIds++;
    this.coreDelegate = CoreDelegate();
    this.isSheetModal = false;
    this.inline = false;
    // Whether or not modal is being dismissed via gesture
    this.gestureAnimationDismissing = false;
    this.presented = false;
    /** @internal */
    this.hasController = false;
    /**
     * If `true`, the keyboard will be automatically dismissed when the overlay is presented.
     */
    this.keyboardClose = true;
    /**
     * A decimal value between 0 and 1 that indicates the
     * point after which the backdrop will begin to fade in
     * when using a sheet modal. Prior to this point, the
     * backdrop will be hidden and the content underneath
     * the sheet can be interacted with. This value is exclusive
     * meaning the backdrop will become active after the value
     * specified.
     */
    this.backdropBreakpoint = 0;
    /**
     * If `true`, the modal will be dismissed when the backdrop is clicked.
     */
    this.backdropDismiss = true;
    /**
     * If `true`, a backdrop will be displayed behind the modal.
     */
    this.showBackdrop = true;
    /**
     * If `true`, the modal will animate.
     */
    this.animated = true;
    /**
     * If `true`, the modal can be swiped to dismiss. Only applies in iOS mode.
     */
    this.swipeToClose = false;
    /**
     * If `true`, the modal will open. If `false`, the modal will close.
     * Use this if you need finer grained control over presentation, otherwise
     * just use the modalController or the `trigger` property.
     * Note: `isOpen` will not automatically be set back to `false` when
     * the modal dismisses. You will need to do that in your code.
     */
    this.isOpen = false;
    this.configureTriggerInteraction = () => {
      const { trigger, el, destroyTriggerInteraction } = this;
      if (destroyTriggerInteraction) {
        destroyTriggerInteraction();
      }
      const triggerEl = (trigger !== undefined) ? document.getElementById(trigger) : null;
      if (!triggerEl) {
        return;
      }
      const configureTriggerInteraction = (trigEl, modalEl) => {
        const openModal = () => {
          modalEl.present();
        };
        trigEl.addEventListener('click', openModal);
        return () => {
          trigEl.removeEventListener('click', openModal);
        };
      };
      this.destroyTriggerInteraction = configureTriggerInteraction(triggerEl, el);
    };
    this.onBackdropTap = () => {
      this.dismiss(undefined, BACKDROP);
    };
    this.onDismiss = (ev) => {
      ev.stopPropagation();
      ev.preventDefault();
      this.dismiss();
    };
    this.onLifecycle = (modalEvent) => {
      const el = this.usersElement;
      const name = LIFECYCLE_MAP[modalEvent.type];
      if (el && name) {
        const ev = new CustomEvent(name, {
          bubbles: false,
          cancelable: false,
          detail: modalEvent.detail
        });
        el.dispatchEvent(ev);
      }
    };
  }
  onIsOpenChange(newValue, oldValue) {
    if (newValue === true && oldValue === false) {
      this.present();
    }
    else if (newValue === false && oldValue === true) {
      this.dismiss();
    }
  }
  onTriggerChange() {
    this.configureTriggerInteraction();
  }
  swipeToCloseChanged(enable) {
    if (this.gesture) {
      this.gesture.enable(enable);
    }
    else if (enable) {
      this.initSwipeToClose();
    }
  }
  connectedCallback() {
    prepareOverlay(this.el);
  }
  componentWillLoad() {
    const { breakpoints, initialBreakpoint } = this;
    /**
     * If user has custom ID set then we should
     * not assign the default incrementing ID.
     */
    this.modalId = (this.el.hasAttribute('id')) ? this.el.getAttribute('id') : `ion-modal-${this.modalIndex}`;
    this.isSheetModal = breakpoints !== undefined && initialBreakpoint !== undefined;
    if (breakpoints !== undefined && initialBreakpoint !== undefined && !breakpoints.includes(initialBreakpoint)) {
      console.warn('[Ionic Warning]: Your breakpoints array must include the initialBreakpoint value.');
    }
  }
  componentDidLoad() {
    /**
     * If modal was rendered with isOpen="true"
     * then we should open modal immediately.
     */
    if (this.isOpen === true) {
      raf(() => this.present());
    }
    this.configureTriggerInteraction();
  }
  /**
   * Determines whether or not an overlay
   * is being used inline or via a controller/JS
   * and returns the correct delegate.
   * By default, subsequent calls to getDelegate
   * will use a cached version of the delegate.
   * This is useful for calling dismiss after
   * present so that the correct delegate is given.
   */
  getDelegate(force = false) {
    if (this.workingDelegate && !force) {
      return {
        delegate: this.workingDelegate,
        inline: this.inline
      };
    }
    /**
     * If using overlay inline
     * we potentially need to use the coreDelegate
     * so that this works in vanilla JS apps.
     * If a developer has presented this component
     * via a controller, then we can assume
     * the component is already in the
     * correct place.
     */
    const parentEl = this.el.parentNode;
    const inline = this.inline = parentEl !== null && !this.hasController;
    const delegate = this.workingDelegate = (inline) ? this.delegate || this.coreDelegate : this.delegate;
    return { inline, delegate };
  }
  /**
   * Present the modal overlay after it has been created.
   */
  async present() {
    if (this.presented) {
      return;
    }
    /**
     * When using an inline modal
     * and dismissing a modal it is possible to
     * quickly present the modal while it is
     * dismissing. We need to await any current
     * transition to allow the dismiss to finish
     * before presenting again.
     */
    if (this.currentTransition !== undefined) {
      await this.currentTransition;
    }
    const data = Object.assign(Object.assign({}, this.componentProps), { modal: this.el });
    const { inline, delegate } = this.getDelegate(true);
    this.usersElement = await attachComponent(delegate, this.el, this.component, ['ion-page'], data, inline);
    await deepReady(this.usersElement);
    writeTask(() => this.el.classList.add('show-modal'));
    this.currentTransition = present(this, 'modalEnter', iosEnterAnimation, mdEnterAnimation, { presentingEl: this.presentingElement, currentBreakpoint: this.initialBreakpoint, backdropBreakpoint: this.backdropBreakpoint });
    await this.currentTransition;
    if (this.isSheetModal) {
      this.initSheetGesture();
    }
    else if (this.swipeToClose) {
      this.initSwipeToClose();
    }
    /* tslint:disable-next-line */
    if (typeof window !== 'undefined') {
      this.keyboardOpenCallback = () => {
        if (this.gesture) {
          /**
           * When the native keyboard is opened and the webview
           * is resized, the gesture implementation will become unresponsive
           * and enter a free-scroll mode.
           *
           * When the keyboard is opened, we disable the gesture for
           * a single frame and re-enable once the contents have repositioned
           * from the keyboard placement.
           */
          this.gesture.enable(false);
          raf(() => {
            if (this.gesture) {
              this.gesture.enable(true);
            }
          });
        }
      };
      window.addEventListener(KEYBOARD_DID_OPEN, this.keyboardOpenCallback);
    }
    this.currentTransition = undefined;
  }
  initSwipeToClose() {
    if (getIonMode(this) !== 'ios') {
      return;
    }
    // All of the elements needed for the swipe gesture
    // should be in the DOM and referenced by now, except
    // for the presenting el
    const animationBuilder = this.leaveAnimation || config.get('modalLeave', iosLeaveAnimation);
    const ani = this.animation = animationBuilder(this.el, { presentingEl: this.presentingElement });
    this.gesture = createSwipeToCloseGesture(this.el, ani, () => {
      /**
       * While the gesture animation is finishing
       * it is possible for a user to tap the backdrop.
       * This would result in the dismiss animation
       * being played again. Typically this is avoided
       * by setting `presented = false` on the overlay
       * component; however, we cannot do that here as
       * that would prevent the element from being
       * removed from the DOM.
       */
      this.gestureAnimationDismissing = true;
      this.animation.onFinish(async () => {
        await this.dismiss(undefined, 'gesture');
        this.gestureAnimationDismissing = false;
      });
    });
    this.gesture.enable(true);
  }
  initSheetGesture() {
    var _a;
    const { wrapperEl, initialBreakpoint, backdropBreakpoint } = this;
    if (!wrapperEl || initialBreakpoint === undefined) {
      return;
    }
    const animationBuilder = this.enterAnimation || config.get('modalEnter', iosEnterAnimation);
    const ani = this.animation = animationBuilder(this.el, { presentingEl: this.presentingElement, currentBreakpoint: initialBreakpoint, backdropBreakpoint });
    ani.progressStart(true, 1);
    const sortedBreakpoints = ((_a = this.breakpoints) === null || _a === void 0 ? void 0 : _a.sort((a, b) => a - b)) || [];
    this.gesture = createSheetGesture(this.el, this.backdropEl, wrapperEl, initialBreakpoint, backdropBreakpoint, ani, sortedBreakpoints, () => {
      /**
       * While the gesture animation is finishing
       * it is possible for a user to tap the backdrop.
       * This would result in the dismiss animation
       * being played again. Typically this is avoided
       * by setting `presented = false` on the overlay
       * component; however, we cannot do that here as
       * that would prevent the element from being
       * removed from the DOM.
       */
      this.gestureAnimationDismissing = true;
      this.animation.onFinish(async () => {
        await this.dismiss(undefined, 'gesture');
        this.gestureAnimationDismissing = false;
      });
    }, (breakpoint) => {
      this.currentBreakpoint = breakpoint;
    });
    this.gesture.enable(true);
  }
  /**
   * Dismiss the modal overlay after it has been presented.
   *
   * @param data Any data to emit in the dismiss events.
   * @param role The role of the element that is dismissing the modal. For example, 'cancel' or 'backdrop'.
   */
  async dismiss(data, role) {
    if (this.gestureAnimationDismissing && role !== 'gesture') {
      return false;
    }
    /* tslint:disable-next-line */
    if (typeof window !== 'undefined' && this.keyboardOpenCallback) {
      window.removeEventListener(KEYBOARD_DID_OPEN, this.keyboardOpenCallback);
    }
    /**
     * When using an inline modal
     * and presenting a modal it is possible to
     * quickly dismiss the modal while it is
     * presenting. We need to await any current
     * transition to allow the present to finish
     * before dismissing again.
     */
    if (this.currentTransition !== undefined) {
      await this.currentTransition;
    }
    const enteringAnimation = activeAnimations.get(this) || [];
    this.currentTransition = dismiss(this, data, role, 'modalLeave', iosLeaveAnimation, mdLeaveAnimation, { presentingEl: this.presentingElement, currentBreakpoint: this.currentBreakpoint || this.initialBreakpoint, backdropBreakpoint: this.backdropBreakpoint });
    const dismissed = await this.currentTransition;
    if (dismissed) {
      const { delegate } = this.getDelegate();
      await detachComponent(delegate, this.usersElement);
      writeTask(() => this.el.classList.remove('show-modal'));
      if (this.animation) {
        this.animation.destroy();
      }
      if (this.gesture) {
        this.gesture.destroy();
      }
      enteringAnimation.forEach(ani => ani.destroy());
    }
    this.currentTransition = undefined;
    this.animation = undefined;
    return dismissed;
  }
  /**
   * Returns a promise that resolves when the modal did dismiss.
   */
  onDidDismiss() {
    return eventMethod(this.el, 'ionModalDidDismiss');
  }
  /**
   * Returns a promise that resolves when the modal will dismiss.
   */
  onWillDismiss() {
    return eventMethod(this.el, 'ionModalWillDismiss');
  }
  render() {
    const { handle, isSheetModal, presentingElement, htmlAttributes } = this;
    const showHandle = handle !== false && isSheetModal;
    const mode = getIonMode(this);
    const { modalId } = this;
    const isCardModal = presentingElement !== undefined && mode === 'ios';
    return (h(Host, Object.assign({ "no-router": true, "aria-modal": "true", tabindex: "-1" }, htmlAttributes, { style: {
        zIndex: `${20000 + this.overlayIndex}`,
      }, class: Object.assign({ [mode]: true, ['modal-default']: !isCardModal && !isSheetModal, [`modal-card`]: isCardModal, [`modal-sheet`]: isSheetModal, 'overlay-hidden': true }, getClassMap(this.cssClass)), id: modalId, onIonBackdropTap: this.onBackdropTap, onIonDismiss: this.onDismiss, onIonModalDidPresent: this.onLifecycle, onIonModalWillPresent: this.onLifecycle, onIonModalWillDismiss: this.onLifecycle, onIonModalDidDismiss: this.onLifecycle }), h("ion-backdrop", { ref: el => this.backdropEl = el, visible: this.showBackdrop, tappable: this.backdropDismiss, part: "backdrop" }), mode === 'ios' && h("div", { class: "modal-shadow" }), h("div", { role: "dialog", class: "modal-wrapper ion-overlay-wrapper", part: "content", ref: el => this.wrapperEl = el }, showHandle && h("div", { class: "modal-handle", part: "handle" }), h("slot", null))));
  }
  get el() { return this; }
  static get watchers() { return {
    "isOpen": ["onIsOpenChange"],
    "trigger": ["onTriggerChange"],
    "swipeToClose": ["swipeToCloseChanged"]
  }; }
  static get style() { return {
    ios: modalIosCss,
    md: modalMdCss
  }; }
}, [33, "ion-modal", {
    "hasController": [4, "has-controller"],
    "overlayIndex": [2, "overlay-index"],
    "delegate": [16],
    "keyboardClose": [4, "keyboard-close"],
    "enterAnimation": [16],
    "leaveAnimation": [16],
    "breakpoints": [16],
    "initialBreakpoint": [2, "initial-breakpoint"],
    "backdropBreakpoint": [2, "backdrop-breakpoint"],
    "handle": [4],
    "component": [1],
    "componentProps": [16],
    "cssClass": [1, "css-class"],
    "backdropDismiss": [4, "backdrop-dismiss"],
    "showBackdrop": [4, "show-backdrop"],
    "animated": [4],
    "swipeToClose": [4, "swipe-to-close"],
    "presentingElement": [16],
    "htmlAttributes": [16],
    "isOpen": [4, "is-open"],
    "trigger": [1],
    "presented": [32],
    "present": [64],
    "dismiss": [64],
    "onDidDismiss": [64],
    "onWillDismiss": [64]
  }]);
const LIFECYCLE_MAP = {
  'ionModalDidPresent': 'ionViewDidEnter',
  'ionModalWillPresent': 'ionViewWillEnter',
  'ionModalWillDismiss': 'ionViewWillLeave',
  'ionModalDidDismiss': 'ionViewDidLeave',
};
let modalIds = 0;
function defineCustomElement$1() {
  if (typeof customElements === "undefined") {
    return;
  }
  const components = ["ion-modal", "ion-backdrop"];
  components.forEach(tagName => { switch (tagName) {
    case "ion-modal":
      if (!customElements.get(tagName)) {
        customElements.define(tagName, Modal);
      }
      break;
    case "ion-backdrop":
      if (!customElements.get(tagName)) {
        defineCustomElement$2();
      }
      break;
  } });
}

const IonModal = Modal;
const defineCustomElement = defineCustomElement$1;

export { IonModal, defineCustomElement };