browser.ts (1355B)
1 const nav = typeof navigator != "undefined" ? navigator : null 2 const doc = typeof document != "undefined" ? document : null 3 const agent = (nav && nav.userAgent) || "" 4 5 const ie_edge = /Edge\/(\d+)/.exec(agent) 6 const ie_upto10 = /MSIE \d/.exec(agent) 7 const ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(agent) 8 9 export const ie = !!(ie_upto10 || ie_11up || ie_edge) 10 export const ie_version = ie_upto10 ? (document as any).documentMode : ie_11up ? +ie_11up[1] : ie_edge ? +ie_edge[1] : 0 11 export const gecko = !ie && /gecko\/(\d+)/i.test(agent) 12 export const gecko_version = gecko && +(/Firefox\/(\d+)/.exec(agent) || [0, 0])[1] 13 14 const _chrome = !ie && /Chrome\/(\d+)/.exec(agent) 15 export const chrome = !!_chrome 16 export const chrome_version = _chrome ? +_chrome[1] : 0 17 export const safari = !ie && !!nav && /Apple Computer/.test(nav.vendor) 18 // Is true for both iOS and iPadOS for convenience 19 export const ios = safari && (/Mobile\/\w+/.test(agent) || !!nav && nav.maxTouchPoints > 2) 20 export const mac = ios || (nav ? /Mac/.test(nav.platform) : false) 21 export const windows = nav ? /Win/.test(nav.platform) : false 22 export const android = /Android \d/.test(agent) 23 export const webkit = !!doc && "webkitFontSmoothing" in doc.documentElement.style 24 export const webkit_version = webkit ? +(/\bAppleWebKit\/(\d+)/.exec(navigator.userAgent) || [0, 0])[1] : 0