Function warmFileListCache

packages/shared/resolve-file.ts:264–276

(
	projectRoot: string,
	kind: "code",
)

 * Returns `null` (wrapped in Promise) when the walk fails (perms, etc).
 */
export function warmFileListCache(
	projectRoot: string,
	kind: "code",
): Promise<string[] | null> {
	const key = fileListCacheKey(projectRoot, kind);
	const entry = fileListCache.get(key);
	if (entry && Date.now() - entry.startedAt < FILE_LIST_CACHE_TTL_MS) {
		return entry.promise;
	}
	const promise = startCodeWalk(projectRoot);
	fileListCache.set(key, { promise, startedAt: Date.now() });
	return promise;
}

/**
 * Resolve a code-file path within a project root.