docs: function runPreloadScript (preloadSrc) {
    const preloadWrapperSrc = `(function(require, process, Buffer, global, setImmediate, clearImmediate, exports) {
    ${preloadSrc}
    })`
  
    // eval in window scope
    const preloadFn = binding.createPreloadScript(preloadWrapperSrc)
    const { setImmediate, clearImmediate } = require('timers')
  
    preloadFn(preloadRequire, preloadProcess, Buffer, global, setImmediate, clearImmediate, {})
  }