12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 |
- var Browser = (function () {
- function Browser() {
- this.firefox = false;
- this.ie = false;
- this.edge = false;
- this.newEdge = false;
- this.weChat = false;
- }
- return Browser;
- }());
- var Env = (function () {
- function Env() {
- this.browser = new Browser();
- this.node = false;
- this.wxa = false;
- this.worker = false;
- this.svgSupported = false;
- this.touchEventsSupported = false;
- this.pointerEventsSupported = false;
- this.domSupported = false;
- this.transformSupported = false;
- this.transform3dSupported = false;
- this.hasGlobalWindow = typeof window !== 'undefined';
- }
- return Env;
- }());
- var env = new Env();
- if (typeof wx === 'object' && typeof wx.getSystemInfoSync === 'function') {
- env.wxa = true;
- env.touchEventsSupported = true;
- }
- else if (typeof document === 'undefined' && typeof self !== 'undefined') {
- env.worker = true;
- }
- else if (typeof navigator === 'undefined') {
- env.node = true;
- env.svgSupported = true;
- }
- else {
- detect(navigator.userAgent, env);
- }
- function detect(ua, env) {
- var browser = env.browser;
- var firefox = ua.match(/Firefox\/([\d.]+)/);
- var ie = ua.match(/MSIE\s([\d.]+)/)
- || ua.match(/Trident\/.+?rv:(([\d.]+))/);
- var edge = ua.match(/Edge?\/([\d.]+)/);
- var weChat = (/micromessenger/i).test(ua);
- if (firefox) {
- browser.firefox = true;
- browser.version = firefox[1];
- }
- if (ie) {
- browser.ie = true;
- browser.version = ie[1];
- }
- if (edge) {
- browser.edge = true;
- browser.version = edge[1];
- browser.newEdge = +edge[1].split('.')[0] > 18;
- }
- if (weChat) {
- browser.weChat = true;
- }
- env.svgSupported = typeof SVGRect !== 'undefined';
- env.touchEventsSupported = 'ontouchstart' in window && !browser.ie && !browser.edge;
- env.pointerEventsSupported = 'onpointerdown' in window
- && (browser.edge || (browser.ie && +browser.version >= 11));
- env.domSupported = typeof document !== 'undefined';
- var style = document.documentElement.style;
- env.transform3dSupported = ((browser.ie && 'transition' in style)
- || browser.edge
- || (('WebKitCSSMatrix' in window) && ('m11' in new WebKitCSSMatrix()))
- || 'MozPerspective' in style)
- && !('OTransition' in style);
- env.transformSupported = env.transform3dSupported
- || (browser.ie && +browser.version >= 9);
- }
- export default env;
|