46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
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import { revalidateTag } from 'next/cache';
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import { type NextRequest, NextResponse } from 'next/server';
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/**
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* POST /api/revalidate
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*
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* Webhook endpoint for on-demand ISR. PocketBase (or any external
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* caller) sends this request after mutating CMS content so the
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* relevant tag is purged from the Next.js data cache.
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*
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* Expected body: `{ "tag": "<collection-name>" }`
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* Required header: `x-revalidate-secret: <REVALIDATE_SECRET>`
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*/
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export async function POST(request: NextRequest): Promise<NextResponse> {
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const secret = request.headers.get('x-revalidate-secret');
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if (secret !== process.env.REVALIDATE_SECRET) {
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return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
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}
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let body: unknown;
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try {
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body = await request.json();
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} catch {
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return NextResponse.json({ error: 'Invalid JSON body' }, { status: 400 });
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}
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if (
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typeof body !== 'object' ||
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body === null ||
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!('tag' in body) ||
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typeof (body as Record<string, unknown>).tag !== 'string'
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) {
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return NextResponse.json({ error: 'Missing or invalid "tag" field' }, { status: 400 });
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}
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const tag = (body as { tag: string }).tag;
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/* Second arg is required by the Next.js 15 type signature;
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* "max" means the purge propagates indefinitely — correct for
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* an on-demand webhook that has no TTL of its own. */
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revalidateTag(tag, 'max');
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return NextResponse.json({ revalidated: true, tag }, { status: 200 });
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}
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