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Parse UA #203

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Merged
lfades merged 1 commit into from
Mar 28, 2022
Merged

Parse UA #203

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37 changes: 36 additions & 1 deletion edge-functions/user-agent-based-rendering/package-lock.json
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6 changes: 4 additions & 2 deletions edge-functions/user-agent-based-rendering/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,11 @@
"@vercel/examples-ui": "^0.2.6",
"next": "^12.1.0",
"react": "17.0.2",
"react-dom": "17.0.2"
"react-dom": "17.0.2",
"ua-parser-js": "^1.0.2"
},
"devDependencies": {
"@types/ua-parser-js": "^0.7.36",
"@types/node": "17.0.14",
"@types/react": "17.0.38",
"autoprefixer": "^10.4.2",
Expand All @@ -25,4 +27,4 @@
"tailwindcss": "^3.0.18",
"typescript": "4.5.5"
}
}
}
8 changes: 5 additions & 3 deletions edge-functions/user-agent-based-rendering/pages/_middleware.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import { NextRequest, NextResponse } from 'next/server'
import parser from 'ua-parser-js'

// RegExp for public files
const PUBLIC_FILE = /\.(.*)$/
Expand All @@ -16,10 +17,11 @@ export function middleware(req: NextRequest) {
return NextResponse.rewrite(url)
}

// Parse user agent
const ua = parser(req.headers.get('user-agent')!)

// Check the viewport
const viewport = ['android', 'ios'].includes(req.ua?.os.name?.toLowerCase()!)
? 'mobile'
: 'desktop'
const viewport = ua.device.type === 'mobile' ? 'mobile' : 'desktop'

// Update the expected url
url.pathname = `_viewport/${viewport}${url.pathname}`
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