antd-theme-generator/node_modules/combined-stream/lib/defer.js

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

module.exports = defer;

/**
 * Runs provided function on next iteration of the event loop
 *
 * @param {function} fn - function to run
 */
function defer(fn)
{
  var nextTick = typeof setImmediate == 'function'
    ? setImmediate
    : (
      typeof process == 'object' && typeof process.nextTick == 'function'
      ? process.nextTick
      : null
    );

  if (nextTick)
  {
    nextTick(fn);
  }
  else
  {
    setTimeout(fn, 0);
  }
}