add lazyload and move readme to func, add cache for readme and css

This commit is contained in:
creations 2025-04-26 10:47:12 -04:00
parent f6bda95f02
commit 10416dbff0
Signed by: creations
GPG key ID: 8F553AA4320FC711
5 changed files with 116 additions and 112 deletions

View file

@ -1,4 +1,6 @@
import { redisTtl } from "@config/environment";
import { fetch } from "bun";
import { redis } from "bun";
const routeDef: RouteDef = {
method: "GET",
@ -7,6 +9,37 @@ const routeDef: RouteDef = {
log: false,
};
async function fetchAndCacheCss(url: string): Promise<string | null> {
const cacheKey = `css:${url}`;
const cached = await redis.get(cacheKey);
if (cached) return cached;
const res = await fetch(url, {
headers: {
Accept: "text/css",
},
});
if (!res.ok) return null;
if (res.headers.has("content-length")) {
const size = Number.parseInt(res.headers.get("content-length") || "0", 10);
if (size > 1024 * 50) return null;
}
const text = await res.text();
if (!text || text.length < 5) return null;
const sanitized = text
.replace(/<script[\s\S]*?>[\s\S]*?<\/script>/gi, "")
.replace(/@import\s+url\(['"]?(.*?)['"]?\);?/gi, "");
await redis.set(cacheKey, sanitized);
await redis.expire(cacheKey, redisTtl);
return sanitized;
}
async function handler(request: ExtendedRequest): Promise<Response> {
const { url } = request.query;
@ -23,59 +56,21 @@ async function handler(request: ExtendedRequest): Promise<Response> {
);
}
const res = await fetch(url, {
headers: {
Accept: "text/css",
},
});
const sanitized = await fetchAndCacheCss(url);
if (!res.ok) {
if (!sanitized) {
return Response.json(
{
success: false,
error: {
code: "FETCH_FAILED",
message: "Failed to fetch CSS file",
message: "Failed to fetch or sanitize CSS",
},
},
{ status: 400 },
);
}
if (res.headers.has("content-length")) {
const size = Number.parseInt(res.headers.get("content-length") || "0", 10);
if (size > 1024 * 50) {
return Response.json(
{
success: false,
error: {
code: "FILE_TOO_LARGE",
message: "CSS file exceeds 50KB limit",
},
},
{ status: 400 },
);
}
}
const text = await res.text();
if (!text || text.length < 5) {
return Response.json(
{
success: false,
error: {
code: "INVALID_CONTENT",
message: "CSS content is too small or invalid",
},
},
{ status: 400 },
);
}
const sanitized = text
.replace(/<script[\s\S]*?>[\s\S]*?<\/script>/gi, "")
.replace(/@import\s+url\(['"]?(.*?)['"]?\);?/gi, "");
return new Response(sanitized, {
headers: {
"Content-Type": "text/css",