resolve static method

Future<String?> resolve(
  1. String name
)

Resolves name, returning null when it is not a built-in or when it cannot be determined (for example GIT_TAG outside a tagged repository).

Implementation

static Future<String?> resolve(String name) async {
  if (_cache.containsKey(name)) return _cache[name];

  final resolver = _resolvers[name];
  if (resolver == null) return null;

  final value = await resolver();
  if (value == null || value.isEmpty) return null;

  _cache[name] = value;
  return value;
}