const escapeFile = require('escape-filename')
const fs = require('fs')

const str = 'foo / bar : | * \\.test'
const escaped = escapeFile.escape(str)
// => "foo ∕ bar ꞉ ❘ ﹡ ﹨.test"

fs.writeFile(escaped, 'test filename', err => {
  if (!err) {
    console.log('write success')
  }
})