parseLanguageVersion static method
Implementation
@visibleForTesting
static LanguageVersion? parseLanguageVersion(YamlMap doc) {
final environmentRoot = doc['environment'];
if (environmentRoot is! YamlMap) return null;
final sdk = environmentRoot['sdk'];
if (sdk is! String) return null;
final range = VersionConstraint.parse(sdk);
if (range is Version) {
return LanguageVersion(range.major, range.minor, range.patch);
} else if (range is VersionRange) {
final min = range.min;
if (min == null) return null;
return LanguageVersion(min.major, min.minor, min.patch);
}
return null;
}