nutrients method
Calculates the nutrients of the food item based on the current serving size.
Implementation
PassioNutrients nutrients() {
final currentWeight = ingredientWeight();
final ingredientNutrients = ingredients
.map((ingredient) => (
ingredient.referenceNutrients,
ingredient.servingWeight() / currentWeight
))
.toList();
return PassioNutrients.fromIngredientsData(
ingredientNutrients, currentWeight);
}