/**
 * The character counter's states, for fields with a length limit.
 *
 * @module
 */

/**
 * Returns the counter's modifier class for `len` characters out of `max`: warn
 * from 85%, danger at the limit, none below.
 */
export function charCountClass(len: number, max: number): string {
  if (len >= max) return " text-editor-count--danger";
  if (len >= max * 0.85) return " text-editor-count--warn";
  return "";
}

/**
 * Checks whether `value` is past `max` — the counter's danger state past its
 * edge, and what the server would refuse.
 */
export function overLimit(value: string, max: number): boolean {
  return value.length > max;
}