File size: 3,289 Bytes
e1bb50d e18c81d e1bb50d e18c81d e1bb50d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /**
* Static file serving for the Friend VRM frontend.
*
* Serves the built Vite/React frontend from src/components/friend/frontend/dist/ at /friend/*.
* All asset files (VRM, FBX, VRMA, VMD, MP3) are in the dist root and served
* under /friend/<filename>.
*/
import fs from 'node:fs/promises'
import path from 'node:path'
import { fileURLToPath } from 'node:url'
const CACHEABLE_RE = /^\/friend\/assets\//
const MIME_TYPES: Record<string, string> = {
'.vrm': 'application/octet-stream',
'.fbx': 'application/octet-stream',
'.vrma': 'application/octet-stream',
'.vmd': 'application/octet-stream',
'.mp3': 'audio/mpeg',
'.css': 'text/css; charset=utf-8',
'.js': 'text/javascript; charset=utf-8',
'.html': 'text/html; charset=utf-8',
'.json': 'application/json; charset=utf-8',
'.png': 'image/png',
'.svg': 'image/svg+xml',
'.ico': 'image/x-icon',
'.woff': 'font/woff',
'.woff2': 'font/woff2',
}
export async function handleFriendStaticRequest(req: Request, url: URL): Promise<Response | null> {
if (req.method !== 'GET' && req.method !== 'HEAD') {
return null
}
// Only handle /friend/* paths
if (!url.pathname.startsWith('/friend/') && url.pathname !== '/friend') {
return null
}
const distDir = await resolveFriendDistDir()
if (!distDir) {
return null
}
// Map /friend/* to dist root
// /friend/ → index.html
// /friend/model1.vrm → dist/model1.vrm
// /friend/assets/foo.js → dist/assets/foo.js
const relativePath = url.pathname.replace(/^\/friend\/?/, '') || 'index.html'
const filePath = await resolveFriendFilePath(distDir, relativePath)
if (!filePath) {
return null
}
const headers = new Headers({
'Content-Type': contentTypeForPath(filePath),
'Cache-Control': CACHEABLE_RE.test(url.pathname)
? 'public, max-age=31536000, immutable'
: 'no-store',
})
if (req.method === 'HEAD') {
const stat = await fs.stat(filePath)
headers.set('Content-Length', String(stat.size))
return new Response(null, { status: 200, headers })
}
return new Response(Bun.file(filePath), { status: 200, headers })
}
async function resolveFriendDistDir(): Promise<string | null> {
const _srcDir = path.dirname(fileURLToPath(import.meta.url))
// src/server/ -> ../../src/components/friend/frontend/dist
const candidate = path.resolve(_srcDir, '..', '..', 'src', 'components', 'friend', 'frontend', 'dist')
try {
const stat = await fs.stat(path.join(candidate, 'index.html'))
if (stat.isFile()) {
return candidate
}
} catch {
// Not found
}
return null
}
async function resolveFriendFilePath(distDir: string, relativePath: string): Promise<string | null> {
if (!relativePath) return null
const decoded = decodeURIComponent(relativePath)
const candidate = path.resolve(distDir, decoded)
const relativeToRoot = path.relative(distDir, candidate)
if (relativeToRoot.startsWith('..') || path.isAbsolute(relativeToRoot)) {
return null
}
try {
const stat = await fs.stat(candidate)
return stat.isFile() ? candidate : null
} catch {
return null
}
}
function contentTypeForPath(filePath: string): string {
return MIME_TYPES[path.extname(filePath).toLowerCase()] ?? 'application/octet-stream'
}
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