// https://gist.github.com/hagemann/382adfc57adbd5af078dc93feef01fe1 export const slugify = (value: string, delimiter = "_") => { const a = "àáâäæãåāăąçćčđďèéêëēėęěğǵḧîïíīįìıİłḿñńǹňôöòóœøōõőṕŕřßśšşșťțûüùúūǘůűųẃẍÿýžźż·"; const b = `aaaaaaaaaacccddeeeeeeeegghiiiiiiiilmnnnnoooooooooprrsssssttuuuuuuuuuwxyyzzz${delimiter}`; const p = new RegExp(a.split("").join("|"), "g"); let slugified; if (value === "") { slugified = ""; } else { slugified = value .toString() .toLowerCase() .replace(p, (c) => b.charAt(a.indexOf(c))) // Replace special characters .replace(/(\d),(?=\d)/g, "$1") // Remove Commas between numbers .replace(/[^a-z0-9]+/g, delimiter) // Replace all non-word characters .replace(new RegExp(`(${delimiter})\\1+`, "g"), "$1") // Replace multiple delimiters with single delimiter .replace(new RegExp(`^${delimiter}+`), "") // Trim delimiter from start of text .replace(new RegExp(`${delimiter}+$`), ""); // Trim delimiter from end of text if (slugified === "") { slugified = "unknown"; } } return slugified; };