Function startProxyServer

scripts/accuracy-check.ts:104–130

(targetOrigin: string)

}

async function startProxyServer(targetOrigin: string): Promise<{ baseUrl: string, server: HttpServer }> {
  const port = await getAvailablePort()
  const server = createHttpServer(async (req, res) => {
    try {
      const targetUrl = new URL(req.url ?? '/', targetOrigin)
      const response = await fetch(targetUrl, { method: req.method ?? 'GET' })
      res.statusCode = response.status
      response.headers.forEach((value, key) => {
        if (key.toLowerCase() === 'transfer-encoding') return
        res.setHeader(key, value)
      })
      const body = response.body === null ? new Uint8Array(0) : new Uint8Array(await response.arrayBuffer())
      res.end(body)
    } catch (error) {
      res.statusCode = 500
      res.setHeader('content-type', 'text/plain; charset=utf-8')
      res.end(error instanceof Error ? error.message : String(error))
    }
  })

  await new Promise<void>((resolve, reject) => {
    server.once('error', reject)
    server.listen(port, '127.0.0.1', () => resolve())
  })

  return { baseUrl: `http://127.0.0.1:${port}/accuracy`, server }
}

async function loadBrowserReport(url: string, expectedRequestId: string): Promise<AccuracyReport> {
  const session = createBrowserSession(browser)