import { isShadowRoot, isHTMLElement } from '@floating-ui/utils/dom';

function activeElement(doc) {
  let activeElement = doc.activeElement;
  while (((_activeElement = activeElement) == null ? void 0 : (_activeElement$shadow = _activeElement.shadowRoot) == null ? void 0 : _activeElement$shadow.activeElement) != null) {
    var _activeElement, _activeElement$shadow;
    activeElement = activeElement.shadowRoot.activeElement;
  }
  return activeElement;
}
function contains(parent, child) {
  if (!parent || !child) {
    return false;
  }
  const rootNode = child.getRootNode && child.getRootNode();

  // First, attempt with faster native method
  if (parent.contains(child)) {
    return true;
  }

  // then fallback to custom implementation with Shadow DOM support
  if (rootNode && isShadowRoot(rootNode)) {
    let next = child;
    while (next) {
      if (parent === next) {
        return true;
      }
      // @ts-ignore
      next = next.parentNode || next.host;
    }
  }

  // Give up, the result is false
  return false;
}
// Avoid Chrome DevTools blue warning.
function getPlatform() {
  const uaData = navigator.userAgentData;
  if (uaData != null && uaData.platform) {
    return uaData.platform;
  }
  return navigator.platform;
}
function getUserAgent() {
  const uaData = navigator.userAgentData;
  if (uaData && Array.isArray(uaData.brands)) {
    return uaData.brands.map(_ref => {
      let {
        brand,
        version
      } = _ref;
      return brand + "/" + version;
    }).join(' ');
  }
  return navigator.userAgent;
}

// License: https://github.com/adobe/react-spectrum/blob/b35d5c02fe900badccd0cf1a8f23bb593419f238/packages/@react-aria/utils/src/isVirtualEvent.ts
function isVirtualClick(event) {
  if (event.mozInputSource === 0 && event.isTrusted) {
    return true;
  }
  const androidRe = /Android/i;
  if ((androidRe.test(getPlatform()) || androidRe.test(getUserAgent())) && event.pointerType) {
    return event.type === 'click' && event.buttons === 1;
  }
  return event.detail === 0 && !event.pointerType;
}
function isVirtualPointerEvent(event) {
  return event.width === 0 && event.height === 0 || event.width === 1 && event.height === 1 && event.pressure === 0 && event.detail === 0 && event.pointerType !== 'mouse' ||
  // iOS VoiceOver returns 0.333• for width/height.
  event.width < 1 && event.height < 1 && event.pressure === 0 && event.detail === 0;
}
function isSafari() {
  // Chrome DevTools does not complain about navigator.vendor
  return /apple/i.test(navigator.vendor);
}
function isMac() {
  return getPlatform().toLowerCase().startsWith('mac') && !navigator.maxTouchPoints;
}
function isMouseLikePointerType(pointerType, strict) {
  // On some Linux machines with Chromium, mouse inputs return a `pointerType`
  // of "pen": https://github.com/floating-ui/floating-ui/issues/2015
  const values = ['mouse', 'pen'];
  if (!strict) {
    values.push('', undefined);
  }
  return values.includes(pointerType);
}
function isReactEvent(event) {
  return 'nativeEvent' in event;
}
function isRootElement(element) {
  return element.matches('html,body');
}
function getDocument(node) {
  return (node == null ? void 0 : node.ownerDocument) || document;
}
function isEventTargetWithin(event, node) {
  if (node == null) {
    return false;
  }
  if ('composedPath' in event) {
    return event.composedPath().includes(node);
  }

  // TS thinks `event` is of type never as it assumes all browsers support composedPath, but browsers without shadow dom don't
  const e = event;
  return e.target != null && node.contains(e.target);
}
function getTarget(event) {
  if ('composedPath' in event) {
    return event.composedPath()[0];
  }

  // TS thinks `event` is of type never as it assumes all browsers support
  // `composedPath()`, but browsers without shadow DOM don't.
  return event.target;
}
const TYPEABLE_SELECTOR = "input:not([type='hidden']):not([disabled])," + "[contenteditable]:not([contenteditable='false']),textarea:not([disabled])";
function isTypeableElement(element) {
  return isHTMLElement(element) && element.matches(TYPEABLE_SELECTOR);
}
function stopEvent(event) {
  event.preventDefault();
  event.stopPropagation();
}

export { TYPEABLE_SELECTOR, activeElement, contains, getDocument, getPlatform, getTarget, getUserAgent, isEventTargetWithin, isMac, isMouseLikePointerType, isReactEvent, isRootElement, isSafari, isTypeableElement, isVirtualClick, isVirtualPointerEvent, stopEvent };