mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
51 lines
1.6 KiB
TypeScript
51 lines
1.6 KiB
TypeScript
|
// This is copied from CM6, which does not expose it publicly.
|
||
|
|
// https://github.com/codemirror/view/blob/e7918b607753588a0b2a596e952068fa008bf84c/src/browser.ts
|
||
|
|
const nav: any =
|
||
|
|
typeof navigator !== 'undefined'
|
||
|
|
? navigator
|
||
|
|
: { userAgent: '', vendor: '', platform: '' }
|
||
|
|
const doc: any =
|
||
|
|
typeof document !== 'undefined'
|
||
|
|
? document
|
||
|
|
: { documentElement: { style: {} } }
|
||
|
|
|
||
|
|
const ieEdge = /Edge\/(\d+)/.exec(nav.userAgent)
|
||
|
|
const ieUpTo10 = /MSIE \d/.test(nav.userAgent)
|
||
|
|
const ie11Up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(nav.userAgent)
|
||
|
|
const ie = !!(ieUpTo10 || ie11Up || ieEdge)
|
||
|
|
const gecko = !ie && /gecko\/(\d+)/i.test(nav.userAgent)
|
||
|
|
const chrome = !ie && /Chrome\/(\d+)/.exec(nav.userAgent)
|
||
|
|
const webkit = 'webkitFontSmoothing' in doc.documentElement.style
|
||
|
|
const safari = !ie && /Apple Computer/.test(nav.vendor)
|
||
|
|
const ios =
|
||
|
|
safari && (/Mobile\/\w+/.test(nav.userAgent) || nav.maxTouchPoints > 2)
|
||
|
|
|
||
|
|
export default {
|
||
|
|
mac: ios || /Mac/.test(nav.platform),
|
||
|
|
windows: /Win/.test(nav.platform),
|
||
|
|
linux: /Linux|X11/.test(nav.platform),
|
||
|
|
ie,
|
||
|
|
ie_version: ieUpTo10
|
||
|
|
? doc.documentMode || 6
|
||
|
|
: ie11Up
|
||
|
|
? +ie11Up[1]
|
||
|
|
: ieEdge
|
||
|
|
? +ieEdge[1]
|
||
|
|
: 0,
|
||
|
|
gecko,
|
||
|
|
gecko_version: gecko
|
||
|
|
? +(/Firefox\/(\d+)/.exec(nav.userAgent) || [0, 0])[1]
|
||
|
|
: 0,
|
||
|
|
chrome: !!chrome,
|
||
|
|
chrome_version: chrome ? +chrome[1] : 0,
|
||
|
|
ios,
|
||
|
|
android: /Android\b/.test(nav.userAgent),
|
||
|
|
webkit,
|
||
|
|
safari,
|
||
|
|
webkit_version: webkit
|
||
|
|
? +(/\bAppleWebKit\/(\d+)/.exec(navigator.userAgent) || [0, 0])[1]
|
||
|
|
: 0,
|
||
|
|
tabSize:
|
||
|
|
doc.documentElement.style.tabSize != null ? 'tab-size' : '-moz-tab-size',
|
||
|
|
}
|