getValueKey method Null safety
Returns the Nutriments
map key for the nutrient value.
perServing
true: per serving.perServing
false: per 100g.
Implementation
static String getValueKey(
String nutrientId,
final bool perServing,
) {
nutrientId = _fixNutrientId(nutrientId);
// 'energy-kcal' is directly for serving (no 'energy-kcal_serving')
if (nutrientId == _energyKCalId && perServing) {
return _energyKCalId;
}
return '$nutrientId${perServing ? '_serving' : '_100g'}';
}