parsePreviewVars function
Parses key=value pairs from a comma-separated CLI value.
Implementation
Map<String, dynamic> parsePreviewVars(String? raw) {
if (raw == null || raw.trim().isEmpty) {
return {};
}
return {
for (final pair in raw.split(','))
if (pair.trim().isNotEmpty) ..._parsePreviewVarPair(pair),
};
}