Function sleep

lib/internal/util.js:589–596

(msec)

let validateUint32;

function sleep(msec) {
  // Lazy-load to avoid a circular dependency.
  if (validateUint32 === undefined)
    ({ validateUint32 } = require('internal/validators'));

  validateUint32(msec, 'msec');
  _sleep(msec);
}

// https://heycam.github.io/webidl/#define-the-operations
function defineOperation(target, name, method) {