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I'm trying to run an accessibility scan inside a Next.js API route using Playwright and @axe-core/playwright.

Here’s a simplified version of my code:

import { chromium } from "playwright";
import { AxeBuilder } from "@axe-core/playwright";

export async function POST(req: NextRequest) {
const browser = await chromium.launch();
const context = await browser.newContext();
const page = await context.newPage();

await page.goto("https://example.com");

const results = await new AxeBuilder({ page }).analyze(); // <-- this line throws

await browser.close();

return NextResponse.json({ results });
}
Error typeError: File URL path must be absolute
at ...
code: 'ERR_INVALID_FILE_URL_PATH'

My setup: axe-core/playwright 4.10.1
playwright 1.51.1
nextjs 15

Using require.resolve() to pass axeSource manually → leads to “module not exported” error

Reading axe.min.js via fs.readFile() from node_modules → file doesn’t exist

Checked @axe-core/playwright docs — axeSource is not mentioned or required anymore