76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
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import { existsSync, readFileSync } from "node:fs"
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import { resolve, sep } from "node:path"
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const distDir = resolve("./dist")
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const indexPath = resolve(distDir, "index.html")
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const contentTypes = {
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html: "text/html; charset=utf-8",
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css: "text/css; charset=utf-8",
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js: "application/javascript; charset=utf-8",
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json: "application/json; charset=utf-8",
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svg: "image/svg+xml",
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png: "image/png",
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jpg: "image/jpeg",
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jpeg: "image/jpeg",
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gif: "image/gif",
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webp: "image/webp",
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ico: "image/x-icon",
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woff: "font/woff",
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woff2: "font/woff2",
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ttf: "font/ttf",
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}
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function responseFromFile(filePath, headers) {
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try {
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return new Response(readFileSync(filePath), { headers })
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} catch (error) {
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if (error?.code === "ENOENT") {
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return new Response("Not Found", { status: 404 })
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}
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console.error("File read error:", error)
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return new Response("Internal Server Error", { status: 500 })
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}
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}
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function serveIndex() {
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return responseFromFile(indexPath, {
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"Content-Type": contentTypes.html,
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"Cache-Control": "no-cache",
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})
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}
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function serveFile(filePath, pathname) {
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const ext = filePath.split(".").pop() || ""
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return responseFromFile(filePath, {
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"Content-Type": contentTypes[ext] || "application/octet-stream",
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"Cache-Control": pathname.startsWith("/assets/") ? "public, max-age=31536000, immutable" : "no-cache",
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})
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}
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Bun.serve({
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port: 80,
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hostname: "0.0.0.0",
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fetch(req) {
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const url = new URL(req.url)
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const pathname = url.pathname
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const filePath = resolve(distDir, pathname.slice(1))
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const insideDist = filePath === distDir || filePath.startsWith(`${distDir}${sep}`)
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if (!insideDist) {
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return new Response("Forbidden", { status: 403 })
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}
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if (pathname !== "/" && existsSync(filePath)) {
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return serveFile(filePath, pathname)
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}
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if (!pathname.includes(".") && existsSync(indexPath)) {
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return serveIndex()
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}
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return new Response("Not Found", { status: 404 })
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},
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})
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