intercept-response-body-puppeteer

intercept-response-body-puppeteer.ts

const client = await page.target().createCDPSession();

await client.send("Fetch.enable", {
  patterns: [{ requestStage: "Response" }]
});

client.on('Fetch.requestPaused', async parameters => {
  const { requestId } = parameters

  const responseCdp = await client.send("Fetch.getResponseBody", { requestId });
  const responseBody = responseCdp.base64Encoded ? Buffer.from(responseCdp.body, 'base64') : responseCdp.body;
  
  console.log({
    bodyLength: responseCdp.body.length,
    body: responseBody.toString()
  });

  await client.send("Fetch.continueRequest", { requestId });
});