slugify.js

export default function slugify (str) { 
  return str
          .trim()
          .replace(/[^0-9A-Za-z\-\s]/g, " ") // keep alphanumeric, dashes, and spaces
          .replace(/  +/g, " ") // replace double spaces with single space
          .replace(/ /g, "-") // replace single spaces with single dash
          .replace(/\-\-/g, "-") // replace double dashes with single dash
          .toLowerCase();
}