// java.lang.String as FILIUS's text formats use it - each differs from its
// JavaScript namesake.

/** `String.trim()`: every UTF-16 unit up to U+0020 off both ends. */
export function javaTrim(text: string): string {
  return text.replace(/^[\u0000-\u0020]+|[\u0000-\u0020]+$/g, '');
}

/**
 * `text.split(separator)` for a one-character separator: trailing empty
 * parts are dropped — "a;b;;".split(";") is two parts, ";;" none — but a
 * text without the separator is one part, even the empty text.
 */
export function javaSplit(text: string, separator: string): string[] {
  if (!text.includes(separator)) return [text];
  const parts = text.split(separator);
  while (parts.length > 0 && parts[parts.length - 1] === '') parts.pop();
  return parts;
}