findKeysForText method

List<String> findKeysForText(String text, String locale)

Implementation

List<String> findKeysForText(String text, String locale) {
  final needle = text.trim();
  if (needle.isEmpty) return const [];

  final exact = <String>[];
  final fuzzy = <String>[];
  final matched = <String>{};

  void consider(Map<String, dynamic> source) {
    final flat = flattenStrings(source);
    for (final entry in flat.entries) {
      if (matched.contains(entry.key)) continue;
      final value = entry.value.trim();
      if (value == needle) {
        exact.add(entry.key);
        matched.add(entry.key);
        continue;
      }
      if (_placeholderPattern.hasMatch(entry.value) &&
          _placeholderMatches(entry.value, needle)) {
        fuzzy.add(entry.key);
        matched.add(entry.key);
      }
    }
  }

  consider(merged(locale));
  consider(_bundled[locale] ?? const {});
  for (final other in locales) {
    if (other == locale) continue;
    consider(merged(other));
    consider(_bundled[other] ?? const {});
  }
  return [...exact, ...fuzzy];
}