Files
web/middlewares/utils.ts

72 lines
2.0 KiB
TypeScript

import { getPublicNextURL } from "@/server/utils"
import { resolve as resolveEntry } from "@/utils/entry"
import { findLang } from "@/utils/languages"
import { removeTrailingSlash } from "@/utils/url"
import type { NextRequest } from "next/server"
import type { Lang } from "@/constants/languages"
export function getDefaultRequestHeaders(request: NextRequest) {
const lang = findLang(request.nextUrl.pathname)!
const nextUrlPublic = getPublicNextURL(request)
const headers = new Headers(request.headers)
headers.set("x-lang", lang)
headers.set(
"x-pathname",
removeTrailingSlash(
request.nextUrl.pathname.replace(`/${lang}`, "").replace(`/webview`, "")
)
)
headers.set("x-url", removeTrailingSlash(nextUrlPublic.href))
return headers
}
const entryResponseCache: Map<
string,
{
contentType: string | null
uid: string | null
expiresAt: number
}
> = new Map()
let size: number = 0
export const fetchAndCacheEntry = async (path: string, lang: Lang) => {
const cacheKey = `${path + lang}`
const cachedResponse = entryResponseCache.get(cacheKey)
if (cachedResponse && cachedResponse.expiresAt > Date.now() / 1000) {
console.log("[CMS MIDDLEWARE]: CACHE HIT")
return cachedResponse
}
if (cachedResponse && cachedResponse.expiresAt < Date.now() / 1000) {
console.log("[CMS MIDDLEWARE]: CACHE STALE")
size -= JSON.stringify(cachedResponse).length
entryResponseCache.delete(cacheKey)
} else {
console.log("[CMS MIDDLEWARE]: CACHE MISS")
}
const { contentType, uid } = await resolveEntry(path, lang)
let expiresAt = Date.now() / 1000
if (!contentType || !uid) {
expiresAt += 600
} else {
expiresAt += 3600 * 12
}
const entryCache = { contentType, uid, expiresAt }
size += JSON.stringify(entryCache).length
console.log("[CMS MIDDLEWARE] Adding to cache", entryCache)
console.log("[CMS MIDDLEWARE] Cache size (total)", size)
entryResponseCache.set(cacheKey, entryCache)
return {
contentType,
uid,
}
}