deepMerge function
ตัวอย่าง function สำหรับ merge default + partial config สามารถนำไปใช้กับ token / theme
Implementation
DeepPartialMap deepMerge(DeepPartialMap base, DeepPartialMap partial) {
final result = Map<String, dynamic>.from(base);
partial.forEach((key, value) {
if (value is Map<String, dynamic> && result[key] is Map<String, dynamic>) {
result[key] = deepMerge(result[key] as DeepPartialMap, value);
} else {
result[key] = value;
}
});
return result;
}