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fix(api): use history.replaceState before redirecting to SPA

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Set the browser history to /a/{naddr} before redirecting to /, so when the SPA loads it sees the correct URL path.
This commit is contained in:
Gigi
2025-10-16 15:41:22 +02:00
parent 32b843908e
commit dc8e86bc57
2 changed files with 30 additions and 22 deletions
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48
api/article-og.ts
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@@ -231,26 +231,38 @@ export default async function handler(req: VercelRequest, res: VercelResponse) {
return res.status(200).json(debugInfo)
}
// If it's a regular browser (not a bot), serve index.html with base tag
// The rewrite preserves the URL, so SPA routing will handle /a/{naddr}
// If it's a regular browser (not a bot), serve HTML that loads SPA
// Use history.replaceState to set the URL before the SPA boots
if (!isCrawlerRequest) {
const fs = await import('fs')
const path = await import('path')
// eslint-disable-next-line no-undef
const indexPath = path.join(process.cwd(), 'dist', 'index.html')
try {
let indexHtml = fs.readFileSync(indexPath, 'utf-8')
// Add base tag to ensure assets load from root
indexHtml = indexHtml.replace('<head>', '<head>\n <base href="/" />')
res.setHeader('Content-Type', 'text/html; charset=utf-8')
res.setHeader('Cache-Control', 'public, max-age=0, must-revalidate')
return res.status(200).send(indexHtml)
} catch (err) {
// Fallback if dist/index.html doesn't exist (dev mode)
res.setHeader('Location', '/')
return res.status(302).send('')
const articlePath = `/a/${naddr}`
// Serve a minimal HTML that sets up the URL and loads the SPA
const html = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Boris - Loading Article...</title>
<script>
// Set the URL to the article path before SPA loads
if (window.location.pathname !== '${articlePath}') {
history.replaceState(null, '', '${articlePath}');
}
</script>
<script>
// Redirect to index.html which will load the SPA
// The history state is already set, so SPA will see the correct URL
window.location.replace('/');
</script>
</head>
<body>
<div id="root"></div>
</body>
</html>`
res.setHeader('Content-Type', 'text/html; charset=utf-8')
res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate')
return res.status(200).send(html)
}
// Check cache for bots/crawlers