@tmlmt/cooklang-parser / isAlternativeSelected

Function: isAlternativeSelected()

isAlternativeSelected(recipe, choices, item, alternativeIndex?): boolean

Determines if a specific alternative in an IngredientItem is selected based on the applied choices.

Use this in renderers to determine how an ingredient alternative should be displayed.

Parameters

recipe

Recipe

The Recipe instance containing choices

choices

RecipeChoices

The choices that have been made

item

IngredientItem

The IngredientItem to check

alternativeIndex?

number

The index within item.alternatives to check (for inline alternatives only)

Returns

boolean

true if this alternative is the selected one

Example

const recipe = new Recipe(cooklangText);
for (const item of step.items) {
  if (item.type === 'ingredient') {
    item.alternatives.forEach((alt, idx) => {
      const isSelected = isAlternativeSelected(recipe, choices, item, idx);
      // Render differently based on isSelected
    });
  }
}