Slugify Fn

my-slugify.js

export const slugify = string => {
  const a =
    "àáâäæãåāăąçćčđďèéêëēėęěğǵḧîïíīįìłḿñńǹňôöòóœøōõőṕŕřßśšşșťțûüùúūǘůűųẃẍÿýžźż·/_,:;";
  const b =
    "aaaaaaaaaacccddeeeeeeeegghiiiiiilmnnnnoooooooooprrsssssttuuuuuuuuuwxyyzzz------";
  const p = new RegExp(a.split("").join("|"), "g");

  return string
    .toString()
    .toLowerCase()
    .replace(/\s+/g, "-") // Replace spaces with -
    .replace(p, c => b.charAt(a.indexOf(c))) // Replace special characters
    .replace(/&/g, "-and-") // Replace & with 'and'
    .replace(/[^\w-]+/g, "") // Remove all non-word characters
    .replace(/--+/g, "-") // Replace multiple - with single -
    .replace(/^-+/, "") // Trim - from start of text
    .replace(/-+$/, ""); // Trim - from end of text
};