intercept-response

Collects writes to Node.js http.ServerResponse and resolves to node-fetch Response

interceptResponse(res)

• res: http.ServerResponse - Node.js request object that you want to intercept (response does not get sent)
• returns Promise<Response> - resolves to node-fetch Response that corresponds to the written response

const { interceptResponse } = require('intercept-response');

const http = require('http');

http.createSever((req, res) => {
  interceptResponse(res)
    .then(fetchResponse => fetchResponse.text())
    .then(text => assert(text === 'response body'));
    
  res.writeHead(200);  
  res.end('response body');
});