Function resolveEnumRefs

variables.go:489–516

(requires *ast.Requires, cache *templater.Cache)

}

func resolveEnumRefs(requires *ast.Requires, cache *templater.Cache) error {
	if requires == nil || len(requires.Vars) == 0 {
		return nil
	}
	for _, v := range requires.Vars {
		if v.Enum == nil || v.Enum.Ref == "" {
			continue
		}
		resolved := templater.ResolveRef(v.Enum.Ref, cache)
		if cache.Err() != nil {
			return cache.Err()
		}
		arr, ok := resolved.([]any)
		if !ok {
			return fmt.Errorf("enum reference %q must resolve to a list", v.Enum.Ref)
		}
		strValues := make([]string, 0, len(arr))
		for _, item := range arr {
			s, ok := item.(string)
			if !ok {
				return fmt.Errorf("enum reference %q must contain only strings", v.Enum.Ref)
			}
			strValues = append(strValues, s)
		}
		v.Enum.Value = strValues
	}
	return nil
}

// product generates the cartesian product of the input map of slices.
func product(matrix *ast.Matrix) []map[string]any {