slugify

slugify.js

// https://medium.com/@mhagemann/the-ultimate-way-to-slugify-a-url-string-in-javascript-b8e4a0d849e1

function slugify(string) {
  const a = 'àáäâãåèéëêìíïîòóöôùúüûñçßÿœæŕśńṕẃǵǹḿǘẍźḧ·/_,:;';
  const b = 'aaaaaaeeeeiiiioooouuuuncsyoarsnpwgnmuxzh------';
  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
}

module.exports = slugify;