m.crowley m.crowley - 10 months ago 39
Node.js Question

Create a file on back-end, from the text coming from front-end

I'm trying to make an app that grabs code from two different code editors (using

), one for the code to be tested and the other for the test code, and outputs the output of the tests back onto the site.

As of now, I can get the text from both code editors concatenated and console.logged out in the browser.

I'm wondering how I could take that code and save it into a file on the back- end, so that I could spawn a child-process that runs tests on it and does something with the

I'm using
for coding and for testing, I am using

Answer Source
fs.writeFile('./yournewfile.js', newCode, function (error) {
  if (error) return callback(error)

  var Exec = require('child_process').exec;

  // change node to mocha if your newCode is mocha test code
  Exec('node ./yournewfile.js', function (error, stdout, stderr) {
    // do something here