helpers/slugify.js

/**
 * Replaces whitespace and non-sluggish characters with a given separator
 * @param {String} str - The string to slugify
 * @param {String=} separator - The separator used to separate words (defaults to "-")
 * @returns {String}
 */
export const slugify = (str, separator = '-') => {
  const slug = str
    .trim()
    .toLowerCase()
    .replace(/[^a-zA-Z0-9_.-]+/g, separator)
    // Remove any duplicate separators or separator prefixes/suffixes
    .split(separator)
    .filter(Boolean)
    .join(separator);

  return slug === separator ? '' : slug;
};