/*!
 * 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
 */
import { proxyCustomElement, HTMLElement, createEvent, h, Host } from '@stencil/core/internal/client';
import { g as guid } from './guid.js';
import { t as toAriaBoolean, n as nodeListToArray } from './dom.js';

const tabCss = "@-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([active]) section{display:block}:host{display:none;height:100%;width:100%}:host([active]){display:block;height:100%;width:100%;overflow:auto}section{display:none;height:100%;width:100%}:host([scale=s]){padding-top:0.25rem;padding-bottom:0.25rem;font-size:var(--calcite-font-size--2);line-height:1rem}:host([scale=m]){padding-top:0.5rem;padding-bottom:0.5rem;font-size:var(--calcite-font-size--1);line-height:1rem}:host([scale=l]){padding-top:0.75rem;padding-bottom:0.75rem;font-size:var(--calcite-font-size-0);line-height:1.25rem}";

const Tab = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
  constructor() {
    super();
    this.__registerHost();
    this.__attachShadow();
    this.calciteTabRegister = createEvent(this, "calciteTabRegister", 7);
    /**
     * Show this tab
     */
    this.active = false;
    /** @internal Parent tabs component scale value */
    this.scale = "m";
    this.guid = `calcite-tab-title-${guid()}`;
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  render() {
    const id = this.el.id || this.guid;
    return (h(Host, { "aria-expanded": toAriaBoolean(this.active), "aria-labelledby": this.labeledBy, id: id, role: "tabpanel" }, h("section", null, h("slot", null))));
  }
  connectedCallback() {
    this.parentTabsEl = this.el.closest("calcite-tabs");
  }
  componentDidLoad() {
    this.calciteTabRegister.emit();
  }
  componentWillRender() {
    var _a;
    this.scale = (_a = this.parentTabsEl) === null || _a === void 0 ? void 0 : _a.scale;
  }
  disconnectedCallback() {
    var _a;
    // Dispatching to body in order to be listened by other elements that are still connected to the DOM.
    (_a = document.body) === null || _a === void 0 ? void 0 : _a.dispatchEvent(new CustomEvent("calciteTabUnregister", {
      detail: this.el
    }));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  internalTabChangeHandler(event) {
    const targetTabsEl = event
      .composedPath()
      .find((el) => el.tagName === "CALCITE-TABS");
    // to allow `<calcite-tabs>` to be nested we need to make sure this
    // `calciteTabChange` event was actually fired from a within the same
    // `<calcite-tabs>` that is the a parent of this tab.
    if (targetTabsEl !== this.parentTabsEl) {
      return;
    }
    if (this.tab) {
      this.active = this.tab === event.detail.tab;
    }
    else {
      this.getTabIndex().then((index) => {
        this.active = index === event.detail.tab;
      });
    }
  }
  //--------------------------------------------------------------------------
  //
  //  Public Methods
  //
  //--------------------------------------------------------------------------
  /**
   * Return the index of this tab within the tab array
   */
  async getTabIndex() {
    return Array.prototype.indexOf.call(nodeListToArray(this.el.parentElement.children).filter((e) => e.matches("calcite-tab")), this.el);
  }
  //--------------------------------------------------------------------------
  //
  //  Private Methods
  //
  //--------------------------------------------------------------------------
  /**
   * @internal
   */
  async updateAriaInfo(tabIds = [], titleIds = []) {
    this.labeledBy = titleIds[tabIds.indexOf(this.el.id)] || null;
  }
  get el() { return this; }
  static get style() { return tabCss; }
}, [1, "calcite-tab", {
    "tab": [513],
    "active": [1540],
    "scale": [1537],
    "labeledBy": [32],
    "getTabIndex": [64],
    "updateAriaInfo": [64]
  }, [[16, "calciteInternalTabChange", "internalTabChangeHandler"]]]);
function defineCustomElement() {
  if (typeof customElements === "undefined") {
    return;
  }
  const components = ["calcite-tab"];
  components.forEach(tagName => { switch (tagName) {
    case "calcite-tab":
      if (!customElements.get(tagName)) {
        customElements.define(tagName, Tab);
      }
      break;
  } });
}
defineCustomElement();

export { Tab as T, defineCustomElement as d };