country-to-iso/src/utils/strings.ts

Convert inconsistent country names and codes into ISO 3166-1 alpha-2.

export const normalize = function(str: string): string {
  return str.toLocaleUpperCase()
    .replace(/[,\.\(\)]/g, " ")
    // Remove punctuation
    .replace(/["'`‘’“”]/g, "")
    // Remove dashes and hyphens
    .replace(/[-‐‑‒–—―]/g, "")
    // Remove braces, brackets, and parentheses
    .replace(/[{}\[\]()]/g, "")
    // Remove unimportant words
    .replace(/(^|\s)OF(\s|$)/gi, " ")
    .replace(/(^|\s)AND(\s|$)/gi, " ")
    .replace(/(^|\s)THE(\s|$)/gi, " ")
    .replace(/(^|\s)&(\s|$)/gi, " ")
    .replace(/(^|\s)&(\s|$)/gi, " ")
    // Remove excess
    .replace(/\s+/g, " ")
    .trim();
}

export const removeSpaces = function(str: string): string {
  return str.replace(/\s/g, "");
}