text: import { r as registerInstance, h, H as Host, i as getElement, e as createEvent } from './index-7a8b7a1c.js';
  import { b as getIonMode } from './ionic-global-63a97a32.js';
  import { c as createColorClasses } from './theme-ff3fc52f.js';
  import { m as isEndSide } from './helpers-dd7e4b7b.js';
  
  const itemOptionIosCss = ":host{--background:var(--ion-color-primary, #3880ff);--color:var(--ion-color-primary-contrast, #fff);background:var(--background);color:var(--color);font-family:var(--ion-font-family, inherit)}:host(.in-list.item-options-end:last-child){padding-right:calc(.7em + var(--ion-safe-area-right))}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){:host(.in-list.item-options-end:last-child){padding-right:unset;-webkit-padding-end:calc(.7em + var(--ion-safe-area-right));padding-inline-end:calc(.7em + var(--ion-safe-area-right))}}:host(.in-list.item-options-start:first-child){padding-left:calc(.7em + var(--ion-safe-area-left))}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){:host(.in-list.item-options-start:first-child){padding-left:unset;-webkit-padding-start:calc(.7em + var(--ion-safe-area-left));padding-inline-start:calc(.7em + var(--ion-safe-area-left))}}:host(.ion-color){background:var(--ion-color-base);color:var(--ion-color-contrast)}.button-native{font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-indent:inherit;text-overflow:inherit;text-transform:inherit;text-align:inherit;white-space:inherit;color:inherit;padding-left:0.7em;padding-right:0.7em;padding-top:0;padding-bottom:0;display:inline-block;position:relative;width:100%;height:100%;border:0;outline:none;background:transparent;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;-webkit-box-sizing:border-box;box-sizing:border-box}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.button-native{padding-left:unset;padding-right:unset;-webkit-padding-start:0.7em;padding-inline-start:0.7em;-webkit-padding-end:0.7em;padding-inline-end:0.7em}}.button-inner{display:-ms-flexbox;display:flex;-ms-flex-flow:column nowrap;flex-flow:column nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%;height:100%}.horizontal-wrapper{display:-ms-flexbox;display:flex;-ms-flex-flow:row nowrap;flex-flow:row nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%}::slotted(*){-ms-flex-negative:0;flex-shrink:0}::slotted([slot=start]){margin-left:0;margin-right:5px;margin-top:0;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=start]){margin-left:unset;margin-right:unset;-webkit-margin-start:0;margin-inline-start:0;-webkit-margin-end:5px;margin-inline-end:5px}}::slotted([slot=end]){margin-left:5px;margin-right:0;margin-top:0;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=end]){margin-left:unset;margin-right:unset;-webkit-margin-start:5px;margin-inline-start:5px;-webkit-margin-end:0;margin-inline-end:0}}::slotted([slot=icon-only]){padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;margin-left:10px;margin-right:10px;margin-top:0;margin-bottom:0;min-width:0.9em;font-size:1.8em}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=icon-only]){margin-left:unset;margin-right:unset;-webkit-margin-start:10px;margin-inline-start:10px;-webkit-margin-end:10px;margin-inline-end:10px}}:host(.item-option-expandable){-ms-flex-negative:0;flex-shrink:0;-webkit-transition-duration:0;transition-duration:0;-webkit-transition-property:none;transition-property:none;-webkit-transition-timing-function:cubic-bezier(0.65, 0.05, 0.36, 1);transition-timing-function:cubic-bezier(0.65, 0.05, 0.36, 1)}:host(.item-option-disabled){pointer-events:none}:host(.item-option-disabled) .button-native{cursor:default;opacity:0.5;pointer-events:none}:host{font-size:16px}:host(.ion-activated){background:var(--ion-color-primary-shade, #3171e0)}:host(.ion-color.ion-activated){background:var(--ion-color-shade)}";
  
  const itemOptionMdCss = ":host{--background:var(--ion-color-primary, #3880ff);--color:var(--ion-color-primary-contrast, #fff);background:var(--background);color:var(--color);font-family:var(--ion-font-family, inherit)}:host(.in-list.item-options-end:last-child){padding-right:calc(.7em + var(--ion-safe-area-right))}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){:host(.in-list.item-options-end:last-child){padding-right:unset;-webkit-padding-end:calc(.7em + var(--ion-safe-area-right));padding-inline-end:calc(.7em + var(--ion-safe-area-right))}}:host(.in-list.item-options-start:first-child){padding-left:calc(.7em + var(--ion-safe-area-left))}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){:host(.in-list.item-options-start:first-child){padding-left:unset;-webkit-padding-start:calc(.7em + var(--ion-safe-area-left));padding-inline-start:calc(.7em + var(--ion-safe-area-left))}}:host(.ion-color){background:var(--ion-color-base);color:var(--ion-color-contrast)}.button-native{font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-indent:inherit;text-overflow:inherit;text-transform:inherit;text-align:inherit;white-space:inherit;color:inherit;padding-left:0.7em;padding-right:0.7em;padding-top:0;padding-bottom:0;display:inline-block;position:relative;width:100%;height:100%;border:0;outline:none;background:transparent;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;-webkit-box-sizing:border-box;box-sizing:border-box}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.button-native{padding-left:unset;padding-right:unset;-webkit-padding-start:0.7em;padding-inline-start:0.7em;-webkit-padding-end:0.7em;padding-inline-end:0.7em}}.button-inner{display:-ms-flexbox;display:flex;-ms-flex-flow:column nowrap;flex-flow:column nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%;height:100%}.horizontal-wrapper{display:-ms-flexbox;display:flex;-ms-flex-flow:row nowrap;flex-flow:row nowrap;-ms-flex-negative:0;flex-shrink:0;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%}::slotted(*){-ms-flex-negative:0;flex-shrink:0}::slotted([slot=start]){margin-left:0;margin-right:5px;margin-top:0;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=start]){margin-left:unset;margin-right:unset;-webkit-margin-start:0;margin-inline-start:0;-webkit-margin-end:5px;margin-inline-end:5px}}::slotted([slot=end]){margin-left:5px;margin-right:0;margin-top:0;margin-bottom:0}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=end]){margin-left:unset;margin-right:unset;-webkit-margin-start:5px;margin-inline-start:5px;-webkit-margin-end:0;margin-inline-end:0}}::slotted([slot=icon-only]){padding-left:0;padding-right:0;padding-top:0;padding-bottom:0;margin-left:10px;margin-right:10px;margin-top:0;margin-bottom:0;min-width:0.9em;font-size:1.8em}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){::slotted([slot=icon-only]){margin-left:unset;margin-right:unset;-webkit-margin-start:10px;margin-inline-start:10px;-webkit-margin-end:10px;margin-inline-end:10px}}:host(.item-option-expandable){-ms-flex-negative:0;flex-shrink:0;-webkit-transition-duration:0;transition-duration:0;-webkit-transition-property:none;transition-property:none;-webkit-transition-timing-function:cubic-bezier(0.65, 0.05, 0.36, 1);transition-timing-function:cubic-bezier(0.65, 0.05, 0.36, 1)}:host(.item-option-disabled){pointer-events:none}:host(.item-option-disabled) .button-native{cursor:default;opacity:0.5;pointer-events:none}:host{font-size:14px;font-weight:500;text-transform:uppercase}";
  
  const ItemOption = class {
    constructor(hostRef) {
      registerInstance(this, hostRef);
      /**
       * If `true`, the user cannot interact with the item option.
       */
      this.disabled = false;
      /**
       * If `true`, the option will expand to take up the available width and cover any other options.
       */
      this.expandable = false;
      /**
       * The type of the button.
       */
      this.type = 'button';
      this.onClick = (ev) => {
        const el = ev.target.closest('ion-item-option');
        if (el) {
          ev.preventDefault();
        }
      };
    }
    render() {
      const { disabled, expandable, href } = this;
      const TagType = href === undefined ? 'button' : 'a';
      const mode = getIonMode(this);
      const attrs = (TagType === 'button')
        ? { type: this.type }
        : {
          download: this.download,
          href: this.href,
          target: this.target
        };
      return (h(Host, { onClick: this.onClick, class: createColorClasses(this.color, {
          [mode]: true,
          'item-option-disabled': disabled,
          'item-option-expandable': expandable,
          'ion-activatable': true
        }) }, h(TagType, Object.assign({}, attrs, { class: "button-native", part: "native", disabled: disabled }), h("span", { class: "button-inner" }, h("slot", { name: "top" }), h("div", { class: "horizontal-wrapper" }, h("slot", { name: "start" }), h("slot", { name: "icon-only" }), h("slot", null), h("slot", { name: "end" })), h("slot", { name: "bottom" })), mode === 'md' && h("ion-ripple-effect", null))));
    }
    get el() { return getElement(this); }
  };
  ItemOption.style = {
    ios: itemOptionIosCss,
    md: itemOptionMdCss
  };
  
  const itemOptionsIosCss = "ion-item-options{top:0;right:0;-ms-flex-pack:end;justify-content:flex-end;display:none;position:absolute;height:100%;font-size:14px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:1}[dir=rtl] ion-item-options,:host-context([dir=rtl]) ion-item-options{-ms-flex-pack:start;justify-content:flex-start}[dir=rtl] ion-item-options:not(.item-options-end),:host-context([dir=rtl]) ion-item-options:not(.item-options-end){right:auto;left:0;-ms-flex-pack:end;justify-content:flex-end}.item-options-start{right:auto;left:0;-ms-flex-pack:start;justify-content:flex-start}[dir=rtl] .item-options-start,:host-context([dir=rtl]) .item-options-start{-ms-flex-pack:end;justify-content:flex-end}.item-options-start ion-item-option:first-child{padding-right:var(--ion-safe-area-left)}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.item-options-start ion-item-option:first-child{padding-right:unset;-webkit-padding-end:var(--ion-safe-area-left);padding-inline-end:var(--ion-safe-area-left)}}.item-options-end ion-item-option:last-child{padding-right:var(--ion-safe-area-right)}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.item-options-end ion-item-option:last-child{padding-right:unset;-webkit-padding-end:var(--ion-safe-area-right);padding-inline-end:var(--ion-safe-area-right)}}[dir=rtl] .item-sliding-active-slide.item-sliding-active-options-start ion-item-options:not(.item-options-end),:host-context([dir=rtl]) .item-sliding-active-slide.item-sliding-active-options-start ion-item-options:not(.item-options-end){width:100%;visibility:visible}.item-sliding-active-slide ion-item-options{display:-ms-flexbox;display:flex;visibility:hidden}.item-sliding-active-slide.item-sliding-active-options-start .item-options-start,.item-sliding-active-slide.item-sliding-active-options-end ion-item-options:not(.item-options-start){width:100%;visibility:visible}.item-options-ios{border-bottom-width:0;border-bottom-style:solid;border-bottom-color:var(--ion-item-border-color, var(--ion-border-color, var(--ion-color-step-250, #c8c7cc)))}.item-options-ios.item-options-end{border-bottom-width:0.55px}.list-ios-lines-none .item-options-ios{border-bottom-width:0}.list-ios-lines-full .item-options-ios,.list-ios-lines-inset .item-options-ios.item-options-end{border-bottom-width:0.55px}";
  
  const itemOptionsMdCss = "ion-item-options{top:0;right:0;-ms-flex-pack:end;justify-content:flex-end;display:none;position:absolute;height:100%;font-size:14px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:1}[dir=rtl] ion-item-options,:host-context([dir=rtl]) ion-item-options{-ms-flex-pack:start;justify-content:flex-start}[dir=rtl] ion-item-options:not(.item-options-end),:host-context([dir=rtl]) ion-item-options:not(.item-options-end){right:auto;left:0;-ms-flex-pack:end;justify-content:flex-end}.item-options-start{right:auto;left:0;-ms-flex-pack:start;justify-content:flex-start}[dir=rtl] .item-options-start,:host-context([dir=rtl]) .item-options-start{-ms-flex-pack:end;justify-content:flex-end}.item-options-start ion-item-option:first-child{padding-right:var(--ion-safe-area-left)}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.item-options-start ion-item-option:first-child{padding-right:unset;-webkit-padding-end:var(--ion-safe-area-left);padding-inline-end:var(--ion-safe-area-left)}}.item-options-end ion-item-option:last-child{padding-right:var(--ion-safe-area-right)}@supports ((-webkit-margin-start: 0) or (margin-inline-start: 0)) or (-webkit-margin-start: 0){.item-options-end ion-item-option:last-child{padding-right:unset;-webkit-padding-end:var(--ion-safe-area-right);padding-inline-end:var(--ion-safe-area-right)}}[dir=rtl] .item-sliding-active-slide.item-sliding-active-options-start ion-item-options:not(.item-options-end),:host-context([dir=rtl]) .item-sliding-active-slide.item-sliding-active-options-start ion-item-options:not(.item-options-end){width:100%;visibility:visible}.item-sliding-active-slide ion-item-options{display:-ms-flexbox;display:flex;visibility:hidden}.item-sliding-active-slide.item-sliding-active-options-start .item-options-start,.item-sliding-active-slide.item-sliding-active-options-end ion-item-options:not(.item-options-start){width:100%;visibility:visible}.item-options-md{border-bottom-width:0;border-bottom-style:solid;border-bottom-color:var(--ion-item-border-color, var(--ion-border-color, var(--ion-color-step-150, rgba(0, 0, 0, 0.13))))}.list-md-lines-none .item-options-md{border-bottom-width:0}.list-md-lines-full .item-options-md,.list-md-lines-inset .item-options-md.item-options-end{border-bottom-width:1px}";
  
  const ItemOptions = class {
    constructor(hostRef) {
      registerInstance(this, hostRef);
      this.ionSwipe = createEvent(this, "ionSwipe", 7);
      /**
       * The side the option button should be on. Possible values: `"start"` and `"end"`. If you have multiple `ion-item-options`, a side must be provided for each.
       *
       */
      this.side = 'end';
    }
    /** @internal */
    async fireSwipeEvent() {
      this.ionSwipe.emit({
        side: this.side
      });
    }
    render() {
      const mode = getIonMode(this);
      const isEnd = isEndSide(this.side);
      return (h(Host, { class: {
          [mode]: true,
          // Used internally for styling
          [`item-options-${mode}`]: true,
          'item-options-start': !isEnd,
          'item-options-end': isEnd
        } }));
    }
    get el() { return getElement(this); }
  };
  ItemOptions.style = {
    ios: itemOptionsIosCss,
    md: itemOptionsMdCss
  };
  
  const itemSlidingCss = "ion-item-sliding{display:block;position:relative;width:100%;overflow:hidden;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}ion-item-sliding .item{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.item-sliding-active-slide .item{position:relative;-webkit-transition:-webkit-transform 500ms cubic-bezier(0.36, 0.66, 0.04, 1);transition:-webkit-transform 500ms cubic-bezier(0.36, 0.66, 0.04, 1);transition:transform 500ms cubic-bezier(0.36, 0.66, 0.04, 1);transition:transform 500ms cubic-bezier(0.36, 0.66, 0.04, 1), -webkit-transform 500ms cubic-bezier(0.36, 0.66, 0.04, 1);opacity:1;z-index:2;pointer-events:none;will-change:transform}.item-sliding-active-swipe-end .item-options-end .item-option-expandable{padding-left:100%;-ms-flex-order:1;order:1;-webkit-transition-duration:0.6s;transition-duration:0.6s;-webkit-transition-property:padding-left;transition-property:padding-left}[dir=rtl] .item-sliding-active-swipe-end .item-options-end .item-option-expandable,:host-context([dir=rtl]) .item-sliding-active-swipe-end .item-options-end .item-option-expandable{-ms-flex-order:-1;order:-1}.item-sliding-active-swipe-start .item-options-start .item-option-expandable{padding-right:100%;-ms-flex-order:-1;order:-1;-webkit-transition-duration:0.6s;transition-duration:0.6s;-webkit-transition-property:padding-right;transition-property:padding-right}[dir=rtl] .item-sliding-active-swipe-start .item-options-start .item-option-expandable,:host-context([dir=rtl]) .item-sliding-active-swipe-start .item-options-start .item-option-expandable{-ms-flex-order:1;order:1}";
  
  const SWIPE_MARGIN = 30;
  const ELASTIC_FACTOR = 0.55;
  let openSlidingItem;
  const ItemSliding = class {
    constructor(hostRef) {
      registerInstance(this, hostRef);
      this.ionDrag = createEvent(this, "ionDrag", 7);
      this.item = null;
      this.openAmount = 0;
      this.initialOpenAmount = 0;
      this.optsWidthRightSide = 0;
      this.optsWidthLeftSide = 0;
      this.sides = 0 /* None */;
      this.optsDirty = true;
      this.closestContent = null;
      this.initialContentScrollY = true;
      this.state = 2 /* Disabled */;
      /**
       * If `true`, the user cannot interact with the sliding item.
       */
      this.disabled = false;
    }
    disabledChanged() {
      if (this.gesture) {
        this.gesture.enable(!this.disabled);
      }
    }
    async connectedCallback() {
      this.item = this.el.querySelector('ion-item');
      this.closestContent = this.el.closest('ion-content');
      await this.updateOptions();
      this.gesture = (await import('./index-34cb2743.js')).createGesture({
        el: this.el,
        gestureName: 'item-swipe',
        gesturePriority: 100,
        threshold: 5,
        canStart: ev => this.canStart(ev),
        onStart: () => this.onStart(),
        onMove: ev => this.onMove(ev),
        onEnd: ev => this.onEnd(ev),
      });
      this.disabledChanged();
    }
    disconnectedCallback() {
      if (this.gesture) {
        this.gesture.destroy();
        this.gesture = undefined;
      }
      this.item = null;
      this.leftOptions = this.rightOptions = undefined;
      if (openSlidingItem === this.el) {
        openSlidingItem = undefined;
      }
    }
    /**
     * Get the amount the item is open in pixels.
     */
    getOpenAmount() {
      return Promise.resolve(this.openAmount);
    }
    /**
     * Get the ratio of the open amount of the item compared to the width of the options.
     * If the number returned is positive, then the options on the right side are open.
     * If the number returned is negative, then the options on the left side are open.
     * If the absolute value of the number is greater than 1, the item is open more than
     * the width of the options.
     */
    getSlidingRatio() {
      return Promise.resolve(this.getSlidingRatioSync());
    }
    /**
     * Open the sliding item.
     *
     * @param side The side of the options to open. If a side is not provided, it will open the first set of options it finds within the item.
     */
    async open(side) {
      if (this.item === null) {
        return;
      }
      const optionsToOpen = this.getOptions(side);
      if (!optionsToOpen) {
        return;
      }
      /**
       * If side is not set, we need to infer the side
       * so we know which direction to move the options
       */
      if (side === undefined) {
        side = (optionsToOpen === this.leftOptions) ? 'start' : 'end';
      }
      // In RTL we want to switch the sides
      side = isEndSide(side) ? 'end' : 'start';
      const isStartOpen = this.openAmount < 0;
      const isEndOpen = this.openAmount > 0;
      /**
       * If a side is open and a user tries to
       * re-open the same side, we should not do anything
       */
      if (isStartOpen && optionsToOpen === this.leftOptions) {
        return;
      }
      if (isEndOpen && optionsToOpen === this.rightOptions) {
        return;
      }
      this.closeOpened();
      this.state = 4 /* Enabled */;
      requestAnimationFrame(() => {
        this.calculateOptsWidth();
        const width = (side === 'end') ? this.optsWidthRightSide : -this.optsWidthLeftSide;
        openSlidingItem = this.el;
        this.setOpenAmount(width, false);
        this.state = (side === 'end') ? 8 /* End */ : 16 /* Start */;
      });
    }
    /**
     * Close the sliding item. Items can also be closed from the [List](../list).
     */
    async close() {
      this.setOpenAmount(0, true);
    }
    /**
     * Close all of the sliding items in the list. Items can also be closed from the [List](../list).
     */
    async closeOpened() {
      if (openSlidingItem !== undefined) {
        openSlidingItem.close();
        openSlidingItem = undefined;
        return true;
      }
      return false;
    }
    /**
     * Given an optional side, return the ion-item-options element.
     *
     * @param side This side of the options to get. If a side is not provided it will
     * return the first one available.
     */
    getOptions(side) {
      if (side === undefined) {
        return this.leftOptions || this.rightOptions;
      }
      else if (side === 'start') {
        return this.leftOptions;
      }
      else {
        return this.rightOptions;
      }
    }
    async updateOptions() {
      const options = this.el.querySelectorAll('ion-item-options');
      let sides = 0;
      // Reset left and right options in case they were removed
      this.leftOptions = this.rightOptions = undefined;
      for (let i = 0; i < options.length; i++) {
        const item = options.item(i);
        /**
         * We cannot use the componentOnReady helper
         * util here since we need to wait for all of these items
         * to be ready before we set `this.sides` and `this.optsDirty`.
         */
        const option = (item.componentOnReady !== undefined) ? await item.componentOnReady() : item;
        const side = isEndSide(option.side) ? 'end' : 'start';
        if (side === 'start') {
          this.leftOptions = option;
          sides |= 1 /* Start */;
        }
        else {
          this.rightOptions = option;
          sides |= 2 /* End */;
        }
      }
      this.optsDirty = true;
      this.sides = sides;
    }
    canStart(gesture) {
      /**
       * If very close to start of the screen
       * do not open left side so swipe to go
       * back will still work.
       */
      const rtl = document.dir === 'rtl';
      const atEdge = (rtl) ? (window.innerWidth - gesture.startX) < 15 : gesture.startX < 15;
      if (atEdge) {
        return false;
      }
      const selected = openSlidingItem;
      if (selected && selected !== this.el) {
        this.closeOpened();
      }
      return !!(this.rightOptions || this.leftOptions);
    }
    disableContentScrollY() {
      if (this.closestContent === null) {
        return;
      }
      this.initialContentScrollY = this.closestContent.scrollY;
      this.closestContent.scrollY = false;
    }
    restoreContentScrollY() {
      if (this.closestContent === null) {
        return;
      }
      this.closestContent.scrollY = this.initialContentScrollY;
    }
    onStart() {
      /**
       * We need to query for the ion-item
       * every time the gesture starts. Developers
       * may toggle ion-item elements via *ngIf.
       */
      this.item = this.el.querySelector('ion-item');
      // Prevent scrolling during gesture
      this.disableContentScrollY();
      openSlidingItem = this.el;
      if (this.tmr !== undefined) {
        clearTimeout(this.tmr);
        this.tmr = undefined;
      }
      if (this.openAmount === 0) {
        this.optsDirty = true;
        this.state = 4 /* Enabled */;
      }
      this.initialOpenAmount = this.openAmount;
      if (this.item) {
        this.item.style.transition = 'none';
      }
    }
    onMove(gesture) {
      if (this.optsDirty) {
        this.calculateOptsWidth();
      }
      let openAmount = this.initialOpenAmount - gesture.deltaX;
      switch (this.sides) {
        case 2 /* End */:
          openAmount = Math.max(0, openAmount);
          break;
        case 1 /* Start */:
          openAmount = Math.min(0, openAmount);
          break;
        case 3 /* Both */: break;
        case 0 /* None */: return;
        default:
          console.warn('invalid ItemSideFlags value', this.sides);
          break;
      }
      let optsWidth;
      if (openAmount > this.optsWidthRightSide) {
        optsWidth = this.optsWidthRightSide;
        openAmount = optsWidth + (openAmount - optsWidth) * ELASTIC_FACTOR;
      }
      else if (openAmount < -this.optsWidthLeftSide) {
        optsWidth = -this.optsWidthLeftSide;
        openAmount = optsWidth + (openAmount - optsWidth) * ELASTIC_FACTOR;
      }
      this.setOpenAmount(openAmount, false);
    }
    onEnd(gesture) {
      // Restore ion-content scrollY to initial value when gesture ends
      this.restoreContentScrollY();
      const velocity = gesture.velocityX;
      let restingPoint = (this.openAmount > 0)
        ? this.optsWidthRightSide
        : -this.optsWidthLeftSide;
      // Check if the drag didn't clear the buttons mid-point
      // and we aren't moving fast enough to swipe open
      const isResetDirection = (this.openAmount > 0) === !(velocity < 0);
      const isMovingFast = Math.abs(velocity) > 0.3;
      const isOnCloseZone = Math.abs(this.openAmount) < Math.abs(restingPoint / 2);
      if (swipeShouldReset(isResetDirection, isMovingFast, isOnCloseZone)) {
        restingPoint = 0;
      }
      const state = this.state;
      this.setOpenAmount(restingPoint, true);
      if ((state & 32 /* SwipeEnd */) !== 0 && this.rightOptions) {
        this.rightOptions.fireSwipeEvent();
      }
      else if ((state & 64 /* SwipeStart */) !== 0 && this.leftOptions) {
        this.leftOptions.fireSwipeEvent();
      }
    }
    calculateOptsWidth() {
      this.optsWidthRightSide = 0;
      if (this.rightOptions) {
        this.rightOptions.style.display = 'flex';
        this.optsWidthRightSide = this.rightOptions.offsetWidth;
        this.rightOptions.style.display = '';
      }
      this.optsWidthLeftSide = 0;
      if (this.leftOptions) {
        this.leftOptions.style.display = 'flex';
        this.optsWidthLeftSide = this.leftOptions.offsetWidth;
        this.leftOptions.style.display = '';
      }
      this.optsDirty = false;
    }
    setOpenAmount(openAmount, isFinal) {
      if (this.tmr !== undefined) {
        clearTimeout(this.tmr);
        this.tmr = undefined;
      }
      if (!this.item) {
        return;
      }
      const style = this.item.style;
      this.openAmount = openAmount;
      if (isFinal) {
        style.transition = '';
      }
      if (openAmount > 0) {
        this.state = (openAmount >= (this.optsWidthRightSide + SWIPE_MARGIN))
          ? 8 /* End */ | 32 /* SwipeEnd */
          : 8 /* End */;
      }
      else if (openAmount < 0) {
        this.state = (openAmount <= (-this.optsWidthLeftSide - SWIPE_MARGIN))
          ? 16 /* Start */ | 64 /* SwipeStart */
          : 16 /* Start */;
      }
      else {
        this.tmr = setTimeout(() => {
          this.state = 2 /* Disabled */;
          this.tmr = undefined;
        }, 600);
        openSlidingItem = undefined;
        style.transform = '';
        return;
      }
      style.transform = `translate3d(${-openAmount}px,0,0)`;
      this.ionDrag.emit({
        amount: openAmount,
        ratio: this.getSlidingRatioSync()
      });
    }
    getSlidingRatioSync() {
      if (this.openAmount > 0) {
        return this.openAmount / this.optsWidthRightSide;
      }
      else if (this.openAmount < 0) {
        return this.openAmount / this.optsWidthLeftSide;
      }
      else {
        return 0;
      }
    }
    render() {
      const mode = getIonMode(this);
      return (h(Host, { class: {
          [mode]: true,
          'item-sliding-active-slide': (this.state !== 2 /* Disabled */),
          'item-sliding-active-options-end': (this.state & 8 /* End */) !== 0,
          'item-sliding-active-options-start': (this.state & 16 /* Start */) !== 0,
          'item-sliding-active-swipe-end': (this.state & 32 /* SwipeEnd */) !== 0,
          'item-sliding-active-swipe-start': (this.state & 64 /* SwipeStart */) !== 0
        } }));
    }
    get el() { return getElement(this); }
    static get watchers() { return {
      "disabled": ["disabledChanged"]
    }; }
  };
  const swipeShouldReset = (isResetDirection, isMovingFast, isOnResetZone) => {
    // The logic required to know when the sliding item should close (openAmount=0)
    // depends on three booleans (isResetDirection, isMovingFast, isOnResetZone)
    // and it ended up being too complicated to be written manually without errors
    // so the truth table is attached below: (0=false, 1=true)
    // isResetDirection | isMovingFast | isOnResetZone || shouldClose
    //         0        |       0      |       0       ||    0
    //         0        |       0      |       1       ||    1
    //         0        |       1      |       0       ||    0
    //         0        |       1      |       1       ||    0
    //         1        |       0      |       0       ||    0
    //         1        |       0      |       1       ||    1
    //         1        |       1      |       0       ||    1
    //         1        |       1      |       1       ||    1
    // The resulting expression was generated by resolving the K-map (Karnaugh map):
    return (!isMovingFast && isOnResetZone) || (isResetDirection && isMovingFast);
  };
  ItemSliding.style = itemSlidingCss;
  
  export { ItemOption as ion_item_option, ItemOptions as ion_item_options, ItemSliding as ion_item_sliding };
  