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|
module Utils exposing (..)
import Html exposing (..)
import Html.Attributes exposing (..)
import Maybe.Extra
type Strategy
= Always String
| When Bool String
| If Bool String String
class : List Strategy -> Attribute msg
class classes =
classes
|> List.map
(\strategy ->
case strategy of
Always x ->
Just x
When True x ->
Just x
When False _ ->
Nothing
If True x _ ->
Just x
If False _ x ->
Just x
)
|> Maybe.Extra.values
|> String.join " "
|> Html.Attributes.class
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