text: let i = 0
  
  // virtual file system
  window._browserTailwindJit_VirtualFS = window._browserTailwindJit_VirtualFS || {}
  
  module.exports = {
    // fake mock stat
    statSync: () => ({ mtimeMs: ++i }),
    readFileSync: fileName => window._browserTailwindJit_VirtualFS[fileName],
    writeFileSync: (fileName, contents) => window._browserTailwindJit_VirtualFS[fileName] = contents
  }
  