/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.82
 */
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

const index = require('./index-5c65e149.js');
const dom = require('./dom-9ac0341c.js');
const conditionalSlot = require('./conditionalSlot-ba5cd797.js');
require('./guid-8b6d6cb4.js');
require('./observers-d9fdf006.js');

var TreeSelectionMode;
(function (TreeSelectionMode) {
  TreeSelectionMode["Single"] = "single";
  TreeSelectionMode["Multi"] = "multi";
  TreeSelectionMode["Children"] = "children";
  TreeSelectionMode["MultiChildren"] = "multi-children";
  TreeSelectionMode["Ancestors"] = "ancestors";
})(TreeSelectionMode || (TreeSelectionMode = {}));

const treeCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;-webkit-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:var(--calcite-animation-timing);animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{-webkit-animation-name:in;animation-name:in}.calcite-animate__in-down{-webkit-animation-name:in-down;animation-name:in-down}.calcite-animate__in-up{-webkit-animation-name:in-up;animation-name:in-up}.calcite-animate__in-scale{-webkit-animation-name:in-scale;animation-name:in-scale}:root{--calcite-popper-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host{display:block;outline:2px solid transparent;outline-offset:2px}";

const Tree = class {
  constructor(hostRef) {
    index.registerInstance(this, hostRef);
    this.calciteTreeSelect = index.createEvent(this, "calciteTreeSelect", 7);
    //--------------------------------------------------------------------------
    //
    //  Properties
    //
    //--------------------------------------------------------------------------
    /** Display indentation guide lines. */
    this.lines = false;
    /** Display input
     * @deprecated Use "ancestors" selection-mode for checkbox input.
     */
    this.inputEnabled = false;
    /** Specify the scale of the tree. */
    this.scale = "m";
    /** Customize how tree selection works.
     * @default "single"
     * @see [TreeSelectionMode](https://github.com/Esri/calcite-components/blob/master/src/components/tree/interfaces.ts#L5)
     */
    this.selectionMode = TreeSelectionMode.Single;
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  componentWillRender() {
    const parent = this.el.parentElement.closest("calcite-tree");
    this.lines = parent ? parent.lines : this.lines;
    this.scale = parent ? parent.scale : this.scale;
    this.selectionMode = parent ? parent.selectionMode : this.selectionMode;
    this.child = !!parent;
  }
  render() {
    return (index.h(index.Host, { "aria-multiselectable": this.child
        ? undefined
        : (this.selectionMode === TreeSelectionMode.Multi ||
          this.selectionMode === TreeSelectionMode.MultiChildren).toString(), role: !this.child ? "tree" : undefined, tabIndex: this.getRootTabIndex() }, index.h("slot", null)));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  onFocus() {
    if (!this.child) {
      const focusTarget = this.el.querySelector("calcite-tree-item[selected]") ||
        this.el.querySelector("calcite-tree-item");
      dom.focusElement(focusTarget);
    }
  }
  onFocusIn(event) {
    const focusedFromRootOrOutsideTree = event.relatedTarget === this.el || !this.el.contains(event.relatedTarget);
    if (focusedFromRootOrOutsideTree) {
      // gives user the ability to tab into external elements (modifying tabindex property will not work in firefox)
      this.el.removeAttribute("tabindex");
    }
  }
  onFocusOut(event) {
    const willFocusOutsideTree = !this.el.contains(event.relatedTarget);
    if (willFocusOutsideTree) {
      this.el.tabIndex = this.getRootTabIndex();
    }
  }
  onClick(e) {
    const target = e.target;
    const childItems = dom.nodeListToArray(target.querySelectorAll("calcite-tree-item"));
    if (this.child) {
      return;
    }
    if (!this.child) {
      e.preventDefault();
      e.stopPropagation();
    }
    if (this.selectionMode === TreeSelectionMode.Ancestors && !this.child) {
      this.updateAncestorTree(e);
      return;
    }
    const shouldSelect = this.selectionMode !== null &&
      (!target.hasChildren ||
        (target.hasChildren &&
          (this.selectionMode === TreeSelectionMode.Children ||
            this.selectionMode === TreeSelectionMode.MultiChildren)));
    const shouldModifyToCurrentSelection = e.detail.modifyCurrentSelection &&
      (this.selectionMode === TreeSelectionMode.Multi ||
        this.selectionMode === TreeSelectionMode.MultiChildren);
    const shouldSelectChildren = this.selectionMode === TreeSelectionMode.MultiChildren ||
      this.selectionMode === TreeSelectionMode.Children;
    const shouldClearCurrentSelection = !shouldModifyToCurrentSelection &&
      (((this.selectionMode === TreeSelectionMode.Single ||
        this.selectionMode === TreeSelectionMode.Multi) &&
        childItems.length <= 0) ||
        this.selectionMode === TreeSelectionMode.Children ||
        this.selectionMode === TreeSelectionMode.MultiChildren);
    const shouldExpandTarget = this.selectionMode === TreeSelectionMode.Children ||
      this.selectionMode === TreeSelectionMode.MultiChildren;
    if (!this.child) {
      const targetItems = [];
      if (shouldSelect) {
        targetItems.push(target);
      }
      if (shouldSelectChildren) {
        childItems.forEach((treeItem) => {
          targetItems.push(treeItem);
        });
      }
      if (shouldClearCurrentSelection) {
        const selectedItems = dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item[selected]"));
        selectedItems.forEach((treeItem) => {
          if (!targetItems.includes(treeItem)) {
            treeItem.selected = false;
          }
        });
      }
      if (shouldExpandTarget && !e.detail.forceToggle) {
        target.expanded = true;
      }
      if (shouldModifyToCurrentSelection) {
        window.getSelection().removeAllRanges();
      }
      if ((shouldModifyToCurrentSelection && target.selected) ||
        (shouldSelectChildren && e.detail.forceToggle)) {
        targetItems.forEach((treeItem) => {
          treeItem.selected = false;
        });
      }
      else {
        targetItems.forEach((treeItem) => {
          treeItem.selected = true;
        });
      }
    }
    this.calciteTreeSelect.emit({
      selected: dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected)
    });
  }
  keyDownHandler(event) {
    var _a;
    const root = this.el.closest("calcite-tree:not([child])");
    const target = event.target;
    if (root === this.el && target.tagName === "CALCITE-TREE-ITEM" && this.el.contains(target)) {
      switch (event.key) {
        case "ArrowDown":
          const next = target.nextElementSibling;
          if (next && next.matches("calcite-tree-item")) {
            next.focus();
            event.preventDefault();
          }
          break;
        case "ArrowLeft":
          // When focus is on an open node, closes the node.
          if (target.hasChildren && target.expanded) {
            target.expanded = false;
            event.preventDefault();
            break;
          }
          // When focus is on a child node that is also either an end node or a closed node, moves focus to its parent node.
          const parentItem = target.parentElement.closest("calcite-tree-item");
          if (parentItem && (!target.hasChildren || target.expanded === false)) {
            parentItem.focus();
            event.preventDefault();
            break;
          }
          // When focus is on a root node that is also either an end node or a closed node, does nothing.
          break;
        case "ArrowRight":
          if (!target.hasChildren) {
            break;
          }
          if (target.expanded && document.activeElement === target) {
            // When focus is on an open node, moves focus to the first child node.
            (_a = target.querySelector("calcite-tree-item")) === null || _a === void 0 ? void 0 : _a.focus();
            event.preventDefault();
          }
          else {
            // When focus is on a closed node, opens the node; focus does not move.
            target.expanded = true;
            event.preventDefault();
          }
          // When focus is on an end node, does nothing.
          break;
        case "ArrowUp":
          const previous = target.previousElementSibling;
          if (previous && previous.matches("calcite-tree-item")) {
            previous.focus();
            event.preventDefault();
          }
          break;
      }
    }
  }
  updateAncestorTree(e) {
    const item = e.target;
    const children = item.querySelectorAll("calcite-tree-item");
    const ancestors = [];
    let parent = item.parentElement.closest("calcite-tree-item");
    while (parent) {
      ancestors.push(parent);
      parent = parent.parentElement.closest("calcite-tree-item");
    }
    item.selected = !item.selected;
    item.indeterminate = false;
    if (children === null || children === void 0 ? void 0 : children.length) {
      children.forEach((el) => {
        el.selected = item.selected;
        el.indeterminate = false;
      });
    }
    if (ancestors) {
      ancestors.forEach((ancestor) => {
        const descendants = dom.nodeListToArray(ancestor.querySelectorAll("calcite-tree-item"));
        const activeDescendants = descendants.filter((el) => el.selected);
        if (activeDescendants.length === 0) {
          ancestor.selected = false;
          ancestor.indeterminate = false;
          return;
        }
        const indeterminate = activeDescendants.length < descendants.length;
        ancestor.indeterminate = indeterminate;
        ancestor.selected = !indeterminate;
      });
    }
    this.calciteTreeSelect.emit({
      selected: dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected)
    });
  }
  // --------------------------------------------------------------------------
  //
  //  Private Methods
  //
  //--------------------------------------------------------------------------
  getRootTabIndex() {
    return !this.child ? 0 : -1;
  }
  get el() { return index.getElement(this); }
};
Tree.style = treeCss;

const CSS = {
  checkboxLabel: "checkbox-label",
  checkbox: "checkbox",
  chevron: "chevron",
  nodeContainer: "node-container",
  childrenContainer: "children-container",
  bulletPointIcon: "bullet-point",
  checkmarkIcon: "checkmark"
};
const SLOTS = {
  children: "children"
};
const ICONS = {
  bulletPoint: "bullet-point",
  checkmark: "check",
  chevronRight: "chevron-right"
};

const treeItemCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;-webkit-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:var(--calcite-animation-timing);animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{-webkit-animation-name:in;animation-name:in}.calcite-animate__in-down{-webkit-animation-name:in-down;animation-name:in-down}.calcite-animate__in-up{-webkit-animation-name:in-up;animation-name:in-up}.calcite-animate__in-scale{-webkit-animation-name:in-scale;animation-name:in-scale}:root{--calcite-popper-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host{display:block;max-width:100%;cursor:pointer;color:var(--calcite-ui-text-3);outline:2px solid transparent;outline-offset:2px}:host([scale=s]){font-size:var(--calcite-font-size--2);line-height:1rem}:host([scale=s]) .node-container{--calcite-tree-padding-y:0.25rem}:host([scale=s]) .node-container .checkbox,:host([scale=s]) .node-container .chevron,:host([scale=s]) .node-container .checkmark,:host([scale=s]) .node-container .bullet-point{margin-inline:0.25rem}:host([scale=m]){font-size:var(--calcite-font-size--1);line-height:1rem}:host([scale=m]) .node-container{--calcite-tree-padding-y:0.5rem}:host([scale=m]) .node-container .checkbox,:host([scale=m]) .node-container .chevron,:host([scale=m]) .node-container .checkmark,:host([scale=m]) .node-container .bullet-point{margin-inline:0.5rem}:host([scale=l]){font-size:var(--calcite-font-size-0);line-height:1.25rem}:host([scale=l]) .node-container{--calcite-tree-padding-y:0.75rem}:host([scale=l]) .node-container .checkbox,:host([scale=l]) .node-container .chevron,:host([scale=l]) .node-container .checkmark,:host([scale=l]) .node-container .bullet-point{margin-inline:0.75rem}:host([lines]) .children-container:after{position:absolute;top:0px;width:1px;transition-property:color, background-color, border-color, fill, stroke, -webkit-text-decoration-color;-webkit-transition-property:color, background-color, border-color, fill, stroke, -webkit-text-decoration-color;transition-property:color, background-color, border-color, text-decoration-color, fill, stroke;transition-property:color, background-color, border-color, text-decoration-color, fill, stroke, -webkit-text-decoration-color;-webkit-transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);-webkit-transition-duration:150ms;transition-duration:150ms;-webkit-transition-property:all;transition-property:all;-webkit-transition-duration:var(--calcite-animation-timing);transition-duration:var(--calcite-animation-timing);-webkit-transition-timing-function:ease-in-out;transition-timing-function:ease-in-out;-webkit-transition-delay:0s;transition-delay:0s;height:96%;content:\"\";background-color:var(--calcite-ui-border-2);z-index:-1}:host(:not([lines])) .node-container:after{display:none}::slotted(*){min-width:0px;max-width:100%;overflow-wrap:break-word;color:inherit;text-decoration:none !important}::slotted(*):hover{text-decoration:none !important}::slotted(a){width:100%;-webkit-text-decoration-line:none;text-decoration-line:none}:host{outline-offset:0;outline-color:transparent;-webkit-transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out;transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out}:host(:focus){outline:2px solid var(--calcite-ui-brand);outline-offset:-2px}.checkbox{outline:2px solid transparent;outline-offset:2px;line-height:0}.checkbox-label{pointer-events:none;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.children-container{position:relative;height:0px;overflow:hidden;-webkit-margin-start:1.25rem;margin-inline-start:1.25rem;-webkit-transform:scaleY(0);transform:scaleY(0);opacity:0;-webkit-transition:var(--calcite-animation-timing) cubic-bezier(0.215, 0.44, 0.42, 0.88), opacity var(--calcite-animation-timing) cubic-bezier(0.215, 0.44, 0.42, 0.88), all var(--calcite-animation-timing) ease-in-out;transition:var(--calcite-animation-timing) cubic-bezier(0.215, 0.44, 0.42, 0.88), opacity var(--calcite-animation-timing) cubic-bezier(0.215, 0.44, 0.42, 0.88), all var(--calcite-animation-timing) ease-in-out;-webkit-transform-origin:top;transform-origin:top}:host([expanded])>.children-container{-webkit-transform:scaleY(1);transform:scaleY(1);opacity:1;height:auto}.node-container{position:relative;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;padding:var(--calcite-tree-padding-y) 0}.node-container .checkmark,.node-container .bullet-point{opacity:0;-webkit-transition-property:all;transition-property:all;-webkit-transition-duration:var(--calcite-animation-timing);transition-duration:var(--calcite-animation-timing);-webkit-transition-timing-function:ease-in-out;transition-timing-function:ease-in-out;-webkit-transition-delay:0s;transition-delay:0s;color:var(--calcite-ui-border-1)}.node-container:hover .checkmark,.node-container:hover .bullet-point,:host([selected]) .node-container:hover .checkmark,:host([selected]) .node-container:hover .bullet-point,:host(:focus) .node-container .checkmark,:host(:focus) .node-container .bullet-point{opacity:1}:host([selected])>.node-container,:host([selected])>.node-container:hover{font-weight:var(--calcite-font-weight-medium);color:var(--calcite-ui-text-1)}:host([selected])>.node-container .bullet-point,:host([selected])>.node-container .checkmark,:host([selected])>.node-container:hover .bullet-point,:host([selected])>.node-container:hover .checkmark{opacity:1;color:var(--calcite-ui-brand)}:host(:not([has-children])):host([scale=s])>.node-container[data-selection-mode=ancestors] .checkbox{-webkit-padding-start:1.25rem;padding-inline-start:1.25rem}:host(:not([has-children])):host([scale=m])>.node-container[data-selection-mode=ancestors] .checkbox{-webkit-padding-start:1.5rem;padding-inline-start:1.5rem}:host(:not([has-children])):host([scale=l])>.node-container[data-selection-mode=ancestors] .checkbox{-webkit-padding-start:1.75rem;padding-inline-start:1.75rem}:host([has-children])>.node-container[data-selection-mode=ancestors] .checkbox{-webkit-margin-start:0;margin-inline-start:0}:host([has-children])>.node-container .bullet-point,:host([has-children])>.node-container .checkmark{display:none}:host([has-children][expanded]:not([selected]))>.node-container ::slotted(*){font-weight:var(--calcite-font-weight-medium);color:var(--calcite-ui-text-1)}:host([has-children][selected])>.node-container[data-selection-mode=children],:host([has-children][selected])>.node-container[data-selection-mode=multi-children]{color:var(--calcite-ui-brand)}.chevron{position:relative;-ms-flex-item-align:center;align-self:center;color:var(--calcite-ui-text-3);-webkit-transition-property:all;transition-property:all;-webkit-transition-duration:var(--calcite-animation-timing);transition-duration:var(--calcite-animation-timing);-webkit-transition-timing-function:ease-in-out;transition-timing-function:ease-in-out;-webkit-transition-delay:0s;transition-delay:0s;-ms-flex:0 0 auto;flex:0 0 auto;-webkit-transform:rotate(0deg);transform:rotate(0deg)}.calcite--rtl .chevron{-webkit-transform:rotate(180deg);transform:rotate(180deg)}:host([expanded])>.node-container>.chevron{-webkit-transform:rotate(90deg);transform:rotate(90deg)}:host([selected]) .checkmark,:host([selected]) .bullet-point{color:var(--calcite-ui-brand)}";

const TreeItem = class {
  constructor(hostRef) {
    index.registerInstance(this, hostRef);
    this.calciteTreeItemSelect = index.createEvent(this, "calciteTreeItemSelect", 7);
    //--------------------------------------------------------------------------
    //
    //  Properties
    //
    //--------------------------------------------------------------------------
    /** Selected state of the item. */
    this.selected = false;
    /** Expanded state of the item. */
    this.expanded = false;
    /** @internal Expanded state of the parent. */
    this.parentExpanded = false;
    /** @internal Level of depth of the item. */
    this.depth = -1;
    /** @internal Does this tree item have a tree inside it? */
    this.hasChildren = null;
    this.iconClickHandler = (event) => {
      event.stopPropagation();
      this.expanded = !this.expanded;
    };
    this.childrenClickHandler = (event) => event.stopPropagation();
    //--------------------------------------------------------------------------
    //
    //  Private Methods
    //
    //--------------------------------------------------------------------------
    this.updateParentIsExpanded = (el, expanded) => {
      const items = dom.getSlotted(el, SLOTS.children, {
        all: true,
        selector: "calcite-tree-item"
      });
      items.forEach((item) => (item.parentExpanded = expanded));
    };
    this.updateAncestorTree = () => {
      if (this.selected && this.selectionMode === TreeSelectionMode.Ancestors) {
        const ancestors = [];
        let parent = this.parentTreeItem;
        while (parent) {
          ancestors.push(parent);
          parent = parent.parentElement.closest("calcite-tree-item");
        }
        ancestors.forEach((item) => (item.indeterminate = true));
        return;
      }
    };
  }
  expandedHandler(newValue) {
    this.updateParentIsExpanded(this.el, newValue);
  }
  getselectionMode() {
    this.isSelectionMultiLike =
      this.selectionMode === TreeSelectionMode.Multi ||
        this.selectionMode === TreeSelectionMode.MultiChildren;
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  connectedCallback() {
    this.parentTreeItem = this.el.parentElement.closest("calcite-tree-item");
    if (this.parentTreeItem) {
      const { expanded } = this.parentTreeItem;
      this.updateParentIsExpanded(this.parentTreeItem, expanded);
    }
    conditionalSlot.connectConditionalSlotComponent(this);
  }
  disconnectedCallback() {
    conditionalSlot.disconnectConditionalSlotComponent(this);
  }
  componentWillRender() {
    this.hasChildren = !!this.el.querySelector("calcite-tree");
    this.depth = 0;
    let parentTree = this.el.closest("calcite-tree");
    if (!parentTree) {
      return;
    }
    this.selectionMode = parentTree.selectionMode;
    this.scale = parentTree.scale || "m";
    this.lines = parentTree.lines;
    let nextParentTree;
    while (parentTree) {
      nextParentTree = parentTree.parentElement.closest("calcite-tree");
      if (nextParentTree === parentTree) {
        break;
      }
      else {
        parentTree = nextParentTree;
        this.depth = this.depth + 1;
      }
    }
  }
  componentDidLoad() {
    this.updateAncestorTree();
  }
  render() {
    const rtl = dom.getElementDir(this.el) === "rtl";
    const showBulletPoint = this.selectionMode === TreeSelectionMode.Single ||
      this.selectionMode === TreeSelectionMode.Children;
    const showCheckmark = this.selectionMode === TreeSelectionMode.Multi ||
      this.selectionMode === TreeSelectionMode.MultiChildren;
    const chevron = this.hasChildren ? (index.h("calcite-icon", { class: {
        [CSS.chevron]: true,
        [dom.CSS_UTILITY.rtl]: rtl
      }, "data-test-id": "icon", icon: ICONS.chevronRight, onClick: this.iconClickHandler, scale: "s" })) : null;
    const defaultSlotNode = index.h("slot", { key: "default-slot" });
    const checkbox = this.selectionMode === TreeSelectionMode.Ancestors ? (index.h("label", { class: CSS.checkboxLabel, key: "checkbox-label" }, index.h("calcite-checkbox", { checked: this.selected, class: CSS.checkbox, "data-test-id": "checkbox", indeterminate: this.hasChildren && this.indeterminate, scale: this.scale, tabIndex: -1 }), defaultSlotNode)) : null;
    const selectedIcon = showBulletPoint
      ? ICONS.bulletPoint
      : showCheckmark
        ? ICONS.checkmark
        : null;
    const bulletOrCheckIcon = selectedIcon ? (index.h("calcite-icon", { class: {
        [CSS.bulletPointIcon]: selectedIcon === ICONS.bulletPoint,
        [CSS.checkmarkIcon]: selectedIcon === ICONS.checkmark,
        [dom.CSS_UTILITY.rtl]: rtl
      }, icon: selectedIcon, scale: "s" })) : null;
    const hidden = !(this.parentExpanded || this.depth === 1);
    return (index.h(index.Host, { "aria-expanded": this.hasChildren ? dom.toAriaBoolean(this.expanded) : undefined, "aria-hidden": dom.toAriaBoolean(hidden), "aria-selected": this.selected ? "true" : showCheckmark ? "false" : undefined, "calcite-hydrated-hidden": hidden, role: "treeitem", tabindex: this.parentExpanded || this.depth === 1 ? "0" : "-1" }, index.h("div", { class: {
        [CSS.nodeContainer]: true,
        [dom.CSS_UTILITY.rtl]: rtl
      }, "data-selection-mode": this.selectionMode, ref: (el) => (this.defaultSlotWrapper = el) }, chevron, bulletOrCheckIcon, checkbox ? checkbox : defaultSlotNode), index.h("div", { class: {
        [CSS.childrenContainer]: true,
        [dom.CSS_UTILITY.rtl]: rtl
      }, "data-test-id": "calcite-tree-children", onClick: this.childrenClickHandler, ref: (el) => (this.childrenSlotWrapper = el), role: this.hasChildren ? "group" : undefined }, index.h("slot", { name: SLOTS.children }))));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  onClick(e) {
    // Solve for if the item is clicked somewhere outside the slotted anchor.
    // Anchor is triggered anywhere you click
    const [link] = dom.filterDirectChildren(this.el, "a");
    if (link && e.composedPath()[0].tagName.toLowerCase() !== "a") {
      const target = link.target === "" ? "_self" : link.target;
      window.open(link.href, target);
    }
    this.calciteTreeItemSelect.emit({
      modifyCurrentSelection: this.selectionMode === TreeSelectionMode.Ancestors || this.isSelectionMultiLike,
      forceToggle: false
    });
  }
  keyDownHandler(e) {
    let root;
    switch (e.key) {
      case " ":
        this.calciteTreeItemSelect.emit({
          modifyCurrentSelection: this.isSelectionMultiLike,
          forceToggle: false
        });
        e.preventDefault();
        break;
      case "Enter":
        // activates a node, i.e., performs its default action. For parent nodes, one possible default action is to open or close the node. In single-select trees where selection does not follow focus (see note below), the default action is typically to select the focused node.
        const link = dom.nodeListToArray(this.el.children).find((e) => e.matches("a"));
        if (link) {
          link.click();
          this.selected = true;
        }
        else {
          this.calciteTreeItemSelect.emit({
            modifyCurrentSelection: this.isSelectionMultiLike,
            forceToggle: false
          });
        }
        e.preventDefault();
        break;
      case "Home":
        root = this.el.closest("calcite-tree:not([child])");
        const firstNode = root.querySelector("calcite-tree-item");
        firstNode.focus();
        break;
      case "End":
        root = this.el.closest("calcite-tree:not([child])");
        let currentNode = root.children[root.children.length - 1]; // last child
        let currentTree = dom.nodeListToArray(currentNode.children).find((e) => e.matches("calcite-tree"));
        while (currentTree) {
          currentNode = currentTree.children[root.children.length - 1];
          currentTree = dom.nodeListToArray(currentNode.children).find((e) => e.matches("calcite-tree"));
        }
        currentNode.focus();
        break;
    }
  }
  get el() { return index.getElement(this); }
  static get watchers() { return {
    "expanded": ["expandedHandler"],
    "selectionMode": ["getselectionMode"]
  }; }
};
TreeItem.style = treeItemCss;

exports.calcite_tree = Tree;
exports.calcite_tree_item = TreeItem;