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OpenAiChatbot
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"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.tab = tab;

var _dom = require("@testing-library/dom");

var _utils = require("./utils");

var _focus = require("./focus");

var _blur = require("./blur");

function getNextElement(currentIndex, shift, elements, focusTrap) {
  if ((0, _utils.isDocument)(focusTrap) && (currentIndex === 0 && shift || currentIndex === elements.length - 1 && !shift)) {
    return focusTrap.body;
  }

  const nextIndex = shift ? currentIndex - 1 : currentIndex + 1;
  const defaultIndex = shift ? elements.length - 1 : 0;
  return elements[nextIndex] || elements[defaultIndex];
}

function tab({
  shift = false,
  focusTrap
} = {}) {
  var _focusTrap$ownerDocum, _focusTrap;

  const doc = (_focusTrap$ownerDocum = (_focusTrap = focusTrap) == null ? void 0 : _focusTrap.ownerDocument) != null ? _focusTrap$ownerDocum : document;
  const previousElement = (0, _utils.getActiveElement)(doc);

  if (!focusTrap) {
    focusTrap = doc;
  }

  const focusableElements = focusTrap.querySelectorAll(_utils.FOCUSABLE_SELECTOR);
  const enabledElements = Array.from(focusableElements).filter(el => el === previousElement || el.getAttribute('tabindex') !== '-1' && !(0, _utils.isDisabled)(el) && // Hidden elements are not tabable
  (0, _utils.isVisible)(el));
  if (enabledElements.length === 0) return;
  const orderedElements = enabledElements.map((el, idx) => ({
    el,
    idx
  })).sort((a, b) => {
    // tabindex has no effect if the active element has tabindex="-1"
    if (previousElement && previousElement.getAttribute('tabindex') === '-1') {
      return a.idx - b.idx;
    }

    const tabIndexA = Number(a.el.getAttribute('tabindex'));
    const tabIndexB = Number(b.el.getAttribute('tabindex'));
    const diff = tabIndexA - tabIndexB;
    return diff === 0 ? a.idx - b.idx : diff;
  }).map(({
    el
  }) => el); // TODO: verify/remove type casts

  const checkedRadio = {};
  let prunedElements = [];
  orderedElements.forEach(currentElement => {
    // For radio groups keep only the active radio
    // If there is no active radio, keep only the checked radio
    // If there is no checked radio, treat like everything else
    const el = currentElement;

    if (el.type === 'radio' && el.name) {
      // If the active element is part of the group, add only that
      const prev = previousElement;

      if (prev && prev.type === el.type && prev.name === el.name) {
        if (el === prev) {
          prunedElements.push(el);
        }

        return;
      } // If we stumble upon a checked radio, remove the others


      if (el.checked) {
        prunedElements = prunedElements.filter(e => e.type !== el.type || e.name !== el.name);
        prunedElements.push(el);
        checkedRadio[el.name] = el;
        return;
      } // If we already found the checked one, skip


      if (typeof checkedRadio[el.name] !== 'undefined') {
        return;
      }
    }

    prunedElements.push(el);
  });
  const index = prunedElements.findIndex(el => el === previousElement);
  const nextElement = getNextElement(index, shift, prunedElements, focusTrap);
  const shiftKeyInit = {
    key: 'Shift',
    keyCode: 16,
    shiftKey: true
  };
  const tabKeyInit = {
    key: 'Tab',
    keyCode: 9,
    shiftKey: shift
  };
  let continueToTab = true; // not sure how to make it so there's no previous element...
  // istanbul ignore else

  if (previousElement) {
    // preventDefault on the shift key makes no difference
    if (shift) _dom.fireEvent.keyDown(previousElement, { ...shiftKeyInit
    });
    continueToTab = _dom.fireEvent.keyDown(previousElement, { ...tabKeyInit
    });
  }

  const keyUpTarget = !continueToTab && previousElement ? previousElement : nextElement;

  if (continueToTab) {
    if (nextElement === doc.body) {
      /* istanbul ignore else */
      if (previousElement) {
        (0, _blur.blur)(previousElement);
      }
    } else {
      (0, _focus.focus)(nextElement);
    }
  }

  _dom.fireEvent.keyUp(keyUpTarget, { ...tabKeyInit
  });

  if (shift) {
    _dom.fireEvent.keyUp(keyUpTarget, { ...shiftKeyInit,
      shiftKey: false
    });
  }
}
/*
eslint
  complexity: "off",
  max-statements: "off",
*/