containsKey method

bool containsKey(
  1. String key
)

Checks if a key exists in the cache and is not expired.

Implementation

bool containsKey(String key) {
  final entry = _cache[key];
  if (entry == null) return false;

  if (entry.isExpired) {
    _cache.remove(key);
    return false;
  }

  return true;
}