102 lines
2.6 KiB
TypeScript
102 lines
2.6 KiB
TypeScript
import { NextResponse } from "next/server"
|
|
|
|
import { notFound } from "@/server/errors/next"
|
|
|
|
import { resolve as resolveEntry } from "@/utils/entry"
|
|
import { findLang } from "@/utils/languages"
|
|
import { removeTrailingSlash } from "@/utils/url"
|
|
|
|
import { fetchAndCacheEntry, getDefaultRequestHeaders } from "./utils"
|
|
|
|
import type { NextMiddleware } from "next/server"
|
|
|
|
import { MiddlewareMatcher } from "@/types/middleware"
|
|
|
|
export const middleware: NextMiddleware = async (request) => {
|
|
const { nextUrl } = request
|
|
const lang = findLang(nextUrl.pathname)!
|
|
|
|
const pathWithoutTrailingSlash = removeTrailingSlash(nextUrl.pathname)
|
|
|
|
const pathNameWithoutLang = pathWithoutTrailingSlash.replace(`/${lang}`, "")
|
|
const searchParams = new URLSearchParams(request.nextUrl.searchParams)
|
|
|
|
const { contentType, uid } = await fetchAndCacheEntry(
|
|
pathNameWithoutLang,
|
|
lang
|
|
)
|
|
|
|
if (!contentType || !uid) {
|
|
throw notFound(
|
|
`Unable to resolve CMS entry for locale "${lang}": ${pathNameWithoutLang}`
|
|
)
|
|
}
|
|
const headers = getDefaultRequestHeaders(request)
|
|
headers.set("x-uid", uid)
|
|
headers.set("x-contenttype", contentType)
|
|
|
|
const isCurrent = contentType ? contentType.indexOf("current") >= 0 : false
|
|
|
|
if (request.nextUrl.pathname.includes("/preview")) {
|
|
if (isCurrent) {
|
|
searchParams.set("uri", pathNameWithoutLang.replace("/preview", ""))
|
|
return NextResponse.rewrite(
|
|
new URL(`/${lang}/preview-current?${searchParams.toString()}`, nextUrl),
|
|
{
|
|
request: {
|
|
headers,
|
|
},
|
|
}
|
|
)
|
|
}
|
|
|
|
return NextResponse.rewrite(
|
|
new URL(
|
|
`/${lang}/preview/${contentType}/${uid}?${searchParams.toString()}`,
|
|
nextUrl
|
|
),
|
|
{
|
|
request: {
|
|
headers,
|
|
},
|
|
}
|
|
)
|
|
}
|
|
|
|
if (isCurrent) {
|
|
searchParams.set("uid", uid)
|
|
searchParams.set("uri", pathNameWithoutLang)
|
|
return NextResponse.rewrite(
|
|
new URL(
|
|
`/${lang}/current-content-page?${searchParams.toString()}`,
|
|
nextUrl
|
|
),
|
|
{
|
|
request: {
|
|
headers,
|
|
},
|
|
}
|
|
)
|
|
}
|
|
|
|
return NextResponse.rewrite(
|
|
new URL(
|
|
`/${lang}/${contentType}/${uid}?${searchParams.toString()}`,
|
|
nextUrl
|
|
),
|
|
{
|
|
request: {
|
|
headers,
|
|
},
|
|
}
|
|
)
|
|
}
|
|
|
|
export const matcher: MiddlewareMatcher = (request) => {
|
|
// Do not process paths with file extension.
|
|
// Only looking for dot might be too brute force/give false positives.
|
|
// It works right now but adjust accordingly when new use cases/data emerges.
|
|
const lastPathnameSegment = request.nextUrl.pathname.split("/").pop()
|
|
return lastPathnameSegment?.indexOf(".") === -1
|
|
}
|