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