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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';
- }
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