{-# LANGUAGE UndecidableInstances #-}

module Ema.Asset (
  Asset (..),
  Format (..),
) where

-- | The type of assets that can be bundled in a static site.
data Asset a
  = -- | A file that is copied as-is from the source directory.
    --
    -- Relative paths are assumed relative to the source directory. Absolute
    -- paths allow copying static files outside of source directory.
    AssetStatic FilePath
  | -- | A file whose contents are generated at runtime by user code.
    AssetGenerated Format a
  deriving stock (Eq, Show, Ord, Functor, Generic)

-- | The format of a generated asset.
data Format
  = -- | Html assets are served by the live server with hot-reload
    Html
  | -- | Other assets are served by the live server as static files.
    Other
  deriving stock (Eq, Show, Ord, Generic)