Converter qualquer string em SEO friendly

str-seo-friendly.js

const toSeoUrl = (name) => {
  return name.toString()              // Convert to string
      .normalize('NFD')               // Change diacritics
      .replace(/[\u0300-\u036f]/g,'') // Remove illegal characters
      .replace(/\s+/g,'-')            // Change whitespace to dashes
      .toLowerCase()                  // Change to lowercase
      .replace(/&/g,'-and-')          // Replace ampersand
      // eslint-disable-next-line
      .replace(/[^a-z0-9\-]/g,'')     // Remove anything that is not a letter, number or dash
      .replace(/-+/g,'-')             // Remove duplicate dashes
      .replace(/^-*/,'')              // Remove starting dashes
      .replace(/-*$/,'')              // Remove trailing dashes
      .normalize("NFD")               // Remove accents
      .replace(/\p{Diacritic}/gu, "") // Remove accents
}

//output http://localhost:5000/essa-string-nao-e-mas-vai-ser-seo-friendly
console.log(`http://localhost:5000/${toSeoUrl('Essa string não é mas vai ser seo friendly!!!')}`)