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Headless UI components for Phoenix

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doggo lib doggo errors.ex
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lib/doggo/errors.ex 

defmodule Doggo.InvalidLabelError do

  @moduledoc false

  defexception [:component, :message]



  def exception(opts) do

    component = Keyword.fetch!(opts, :component)

    example_label = Keyword.fetch!(opts, :example_label)



    msg = """

    Invalid label attributes for #{component}



    #{component} requires exactly one of 'label' or 'labelledby' set for

    accessibility. These attributes are essential for screen readers and other

    assistive technologies to provide a textual alternative for interactive

    elements.



    - If neither is set, the component is not properly accessible.

    - If both are set, it may cause confusion for assistive technologies.



    ## Examples



    With 'label' attribute (when there is no visual label):



        <#{component} label="#{example_label}" />



    With 'labelledby' attribute (to reference an existing visible label):



        <h3 id="example-label">#{example_label}</h3>

        <#{component} labelledby="example-label" />

    """



    %__MODULE__{message: msg, component: component}

  end

end