Function writeToFile

lib/internal/process/warning.js:67–82

(message)

}

function writeToFile(message) {
  if (fd === undefined) {
    fs = require('fs');
    try {
      fd = fs.openSync(warningFile, 'a');
    } catch {
      return writeOut(message);
    }
    process.on('exit', closeFdOnExit);
  }
  fs.appendFile(fd, `${message}\n`, (err) => {
    if (err) {
      writeOut(message);
    }
  });
}

function doEmitWarning(warning) {
  process.emit('warning', warning);