Write a JavaScript program to convert a string to kebab case

const toKebabCase = str =>
  str &&
  str
    .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
    .map(x => x.toLowerCase())
    .join('-');

console.log(toKebabCase('camelCase'));
console.log(toKebabCase('some text'));
console.log(toKebabCase('some-mixed_string With spaces_underscores-and-hyphens'));
console.log(toKebabCase('AllThe-small Things'));
console.log(toKebabCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML'));