Function getCachedSectionGeometry

src/ui/diff/diffSectionGeometry.ts:117–124

Read one cached geometry entry when the exact active variant is still retained.

(
  file: DiffFile,
  slot: keyof SectionGeometryCacheSlots,
  cacheKey: string,
)

/** Read one cached geometry entry when the exact active variant is still retained. */
function getCachedSectionGeometry(
  file: DiffFile,
  slot: keyof SectionGeometryCacheSlots,
  cacheKey: string,
) {
  const cached = SECTION_GEOMETRY_CACHE.get(file)?.[slot];
  return cached?.key === cacheKey ? cached.geometry : null;
}

/** Store one geometry entry, replacing stale variants for the same slot. */
function setCachedSectionGeometry(