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1 // Kludges for bugs and behavior differences that can't be feature
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2 // detected are enabled based on userAgent etc sniffing.
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3 let userAgent = navigator.userAgent
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4 let platform = navigator.platform
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5
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6 export let gecko = /gecko\/\d/i.test(userAgent)
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7 let ie_upto10 = /MSIE \d/.test(userAgent)
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8 let ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent)
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9 let edge = /Edge\/(\d+)/.exec(userAgent)
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10 export let ie = ie_upto10 || ie_11up || edge
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11 export let ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1])
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12 export let webkit = !edge && /WebKit\//.test(userAgent)
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13 let qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent)
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14 export let chrome = !edge && /Chrome\/(\d+)/.exec(userAgent)
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15 export let chrome_version = chrome && +chrome[1]
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16 export let presto = /Opera\//.test(userAgent)
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17 export let safari = /Apple Computer/.test(navigator.vendor)
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18 export let mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent)
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19 export let phantom = /PhantomJS/.test(userAgent)
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20
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21 export let ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2)
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22 export let android = /Android/.test(userAgent)
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23 // This is woefully incomplete. Suggestions for alternative methods welcome.
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24 export let mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent)
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25 export let mac = ios || /Mac/.test(platform)
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26 export let chromeOS = /\bCrOS\b/.test(userAgent)
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27 export let windows = /win/i.test(platform)
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28
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29 let presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/)
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30 if (presto_version) presto_version = Number(presto_version[1])
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31 if (presto_version && presto_version >= 15) { presto = false; webkit = true }
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32 // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
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33 export let flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11))
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34 export let captureRightClick = gecko || (ie && ie_version >= 9)
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