static Map nullIfEmpty()

in src/main/groovy/org/jetbrains/gradle/ext/EncodingConfiguration.groovy [50:53]

• 4 lines of code
• 2 McCabe index (conditional complexity)

  static <K, V> Map<K, V> nullIfEmpty(Map<K, V> map) {
    def result = map.findAll { it.value != null }
    return result.isEmpty() ? null : result
  }