Function commitHighlightResult

src/ui/diff/useHighlightedDiff.ts:88–101

Only commit a highlight result if the promise is still the active one for that key. * Prevents a superseded or late-resolving promise from overwriting a newer entry.

(
  cacheKey: string,
  promise: Promise<HighlightedDiffCode>,
  result: HighlightedDiffCode,
)

/** Only commit a highlight result if the promise is still the active one for that key.
 *  Prevents a superseded or late-resolving promise from overwriting a newer entry. */
function commitHighlightResult(
  cacheKey: string,
  promise: Promise<HighlightedDiffCode>,
  result: HighlightedDiffCode,
) {
  if (SHARED_HIGHLIGHT_PROMISES.get(cacheKey) !== promise) {
    return false;
  }

  SHARED_HIGHLIGHT_PROMISES.delete(cacheKey);
  SHARED_HIGHLIGHTED_DIFF_CACHE.set(cacheKey, result);
  enforceCacheLimit();
  return true;
}

/** Start one shared highlight request unless the cache or an in-flight promise already has it. */
function ensureHighlightedDiffLoaded(