Function parseToSpans

src/ink/Ansi.tsx:137–155

(input: string)

 * Parse an ANSI string into spans using the termio parser.
 */
export function parseToSpans(input: string): Span[] {
  if (input.length >= ANSI_SPAN_CACHE_MIN_LENGTH) {
    const key = hashContent(input);
    const cached = ansiSpanCache.get(key);
    if (cached) {
      ansiSpanCache.delete(key);
      ansiSpanCache.set(key, cached);
      return cached;
    }
    const spans = parseToSpansUncached(input);
    if (ansiSpanCache.size >= ANSI_SPAN_CACHE_MAX) {
      const oldest = ansiSpanCache.keys().next().value;
      if (oldest !== undefined) ansiSpanCache.delete(oldest);
    }
    ansiSpanCache.set(key, spans);
    return spans;
  }
  return parseToSpansUncached(input);
}

function parseToSpansUncached(input: string): Span[] {
  const parser = new Parser();