import domObjects from "./domObjects.js";
import * as is from "./is.js";
import win from "./window.js";
const browser = {
  init,
  supportsTouch: null,
  supportsPointerEvent: null,
  isIOS7: null,
  isIOS: null,
  isIe9: null,
  isOperaMobile: null,
  prefixedMatchesSelector: null,
  pEventTypes: null,
  wheelEvent: null
};

function init(window) {
  const Element = domObjects.Element;
  const navigator = win.window.navigator; // Does the browser support touch input?

  browser.supportsTouch = 'ontouchstart' in window || is.func(window.DocumentTouch) && domObjects.document instanceof window.DocumentTouch; // Does the browser support PointerEvents

  browser.supportsPointerEvent = navigator.pointerEnabled !== false && !!domObjects.PointerEvent;
  browser.isIOS = /iP(hone|od|ad)/.test(navigator.platform); // scrolling doesn't change the result of getClientRects on iOS 7

  browser.isIOS7 = /iP(hone|od|ad)/.test(navigator.platform) && /OS 7[^\d]/.test(navigator.appVersion);
  browser.isIe9 = /MSIE 9/.test(navigator.userAgent); // Opera Mobile must be handled differently

  browser.isOperaMobile = navigator.appName === 'Opera' && browser.supportsTouch && /Presto/.test(navigator.userAgent); // prefix matchesSelector

  browser.prefixedMatchesSelector = 'matches' in Element.prototype ? 'matches' : 'webkitMatchesSelector' in Element.prototype ? 'webkitMatchesSelector' : 'mozMatchesSelector' in Element.prototype ? 'mozMatchesSelector' : 'oMatchesSelector' in Element.prototype ? 'oMatchesSelector' : 'msMatchesSelector';
  browser.pEventTypes = browser.supportsPointerEvent ? domObjects.PointerEvent === window.MSPointerEvent ? {
    up: 'MSPointerUp',
    down: 'MSPointerDown',
    over: 'mouseover',
    out: 'mouseout',
    move: 'MSPointerMove',
    cancel: 'MSPointerCancel'
  } : {
    up: 'pointerup',
    down: 'pointerdown',
    over: 'pointerover',
    out: 'pointerout',
    move: 'pointermove',
    cancel: 'pointercancel'
  } : null; // because Webkit and Opera still use 'mousewheel' event type

  browser.wheelEvent = 'onmousewheel' in domObjects.document ? 'mousewheel' : 'wheel';
}

export default browser;
//# sourceMappingURL=browser.js.map