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use dynamic import for prerender manifest in e2e #728

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use dynamic import for prerender manifest in e2e #728

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545fbd5
use dynamic import for prerender manifest in e2e
james-elicx Feb 6, 2025
02944a5
use suggested path
james-elicx Feb 7, 2025
a337c0d
fix e2e
conico974 Feb 7, 2025
57c5e8f
use with instead of assert
james-elicx Feb 7, 2025
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34 changes: 22 additions & 12 deletions examples/app-router/app/api/isr/route.ts
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Original file line number Diff line number Diff line change
@@ -1,24 +1,34 @@
import fs from "node:fs/promises";
import path from "node:path";
import type { NextRequest } from "next/server";
import { NextResponse } from "next/server";

export const dynamic = "force-dynamic";

// This endpoint simulates an on demand revalidation request
export async function GET(request: NextRequest) {
const cwd = process.cwd();
const prerenderManifest = await fs.readFile(
path.join(cwd, ".next/prerender-manifest.json"),
"utf-8",
);
const manifest = JSON.parse(prerenderManifest);
let manifest: { preview: { previewModeId: string } };
// This fails at build time when next.js tries to evaluate the route
try {
const prerenderManifest = await import(
// @ts-expect-error
/* webpackIgnore: true */ "../../../../prerender-manifest.json",
{ assert: { type: "json" } }
);
manifest = prerenderManifest.default;
} catch (e) {
console.error(e);
return new Response(null, { status: 500 });
}

const previewId = manifest.preview.previewModeId;

const result = await fetch(`https://${request.headers.get("host")}/isr`, {
headers: { "x-prerender-revalidate": previewId },
method: "HEAD",
});
const host = request.headers.get("host") ?? "localhost:3001";
const result = await fetch(
`http${host?.includes("localhost") ? "" : "s"}://${host}/isr`,
{
headers: { "x-prerender-revalidate": previewId },
method: "HEAD",
},
);

return NextResponse.json({
status: 200,
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