local ok, hls = pcall(require, 'hls')
if not ok then
    print("hls is not installed.")
    return
end

if hls == nil then
    return
end

hls.setup {
    cmd = { "haskell-language-server-wrapper", '--lsp' },
    filetypes = { "haskell", "lhaskell" },
    root_dir = function (filepath)
        return (
            vim.util.root_pattern('hie.yaml', 'stack.yaml', 'cabal.project')(filepath)
            or vim.util.root_pattern('*.cabal', 'package.yaml')(filepath)
        )
    end,
    settings = {
        haskell = {
            formattingProvider = "ormolu"
        }
    },
    single_file_support = true,
}