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lib/cinder/renderers/helpers.ex
defmodule Cinder.Renderers.Helpers do
@moduledoc false
@doc """
Checks whether a slot assign contains any provided slot content.
"""
def has_slot?(assigns, key) do
case Map.get(assigns, key) do
slots when is_list(slots) and slots != [] -> true
_ -> false
end
end
@doc """
Builds context map passed to the empty slot via `:let`.
The `filtered?` field is true when any filter has a meaningful value
(using `Cinder.Filter.has_filter_value?/1`) or a search term is active.
"""
def empty_context(assigns) do
filters = Map.get(assigns, :filters, %{})
search_term = Map.get(assigns, :search_term, "")
has_active_filters =
Enum.any?(filters, fn {_key, filter} ->
Cinder.Filter.has_filter_value?(filter.value)
end)
%{
filtered?: has_active_filters or search_term != "",
filters: filters,
search_term: search_term
}
end
end