browser.ts
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function getTypeVersion() {
const userAgent = navigator.userAgent.toLowerCase();
const browserTypes = {
IE: /(?:msie|trident.*rv).([\d.]+)/,
Edge: /edge.([\d.]+)/,
Chrome: /chrome.([\d.]+)/,
Firefox: /firefox.([\d.]+)/,
Opera: /opera.([\d.]+)/,
Safari: /(?:safari|version).([\d.]+)/,
};
type BrowserKeys = keyof typeof browserTypes;
/** browser type */
let type!: BrowserKeys | null;
/** browser version */
let version!: string | null;
for (type in browserTypes) {
if ((version = browserTypes[type as BrowserKeys].exec(userAgent) as any)) {
version = version[1];
break;
}
}
if (version) {
if (type === 'IE') {
try {
document.execCommand('BackgroundImageCache', false, true as any);
} catch (error) {
console.log(error);
}
}
} else {
type = version = null;
}
return { type, version };
}
const { type, version } = getTypeVersion();
export function getType() {
return type;
}
export function getVersion() {
return version;
}
export function isIeFn() {
return type === 'IE';
}
export function isChromeFn() {
return type === 'Chrome';
}
export function isEdgeFn() {
return type === 'Edge';
}
export function isSafariFn() {
return type === 'Safari';
}
export function isFirefoxFn() {
return type === 'Firefox';
}
export function isOperaFn() {
return type === 'Opera';
}