home-manager/profiles/nvim/lua/plugins/haskell-tools.lua

   1 -- If you are starting out with Haskell, nvim-lspconfig.hls is probably enough for you.
   2 -- It provides the lowest common denominator of LSP support.
   3 -- This plugin is for those who would like additional features
   4 -- that are specific to Haskell tooling.
   5 -- https://github.com/MrcJkb/haskell-tools.nvim
   6 return {
   7         "haskell-tools.nvim",
   8         lazy = false,
   9         after = function()
  10                 -- This is a filetype plugin that works out of the box,
  11                 -- so there is no need to call a setup function or configure anything
  12                 -- to get this plugin working.
  13                 vim.g.haskell_tools = {
  14                         tools = {
  15                                 hover = {
  16                                         enable = true,
  17                                 },
  18                         },
  19                         hls = {
  20                                 cmd = { "haskell-language-server-wrapper", "--lsp" },
  21                                 enable = false,
  22                                 filetypes = { "haskell", "lhaskell" },
  23                                 on_attach = function(client, bufnr)
  24                                         local ht = require("haskell-tools")
  25                                         local opts = { noremap = true, silent = true, buffer = bufnr }
  26                                         vim.keymap.set("n", "<localleader>cl", vim.lsp.codelens.run, opts)
  27                                         vim.keymap.set("n", "<localleader>hs", ht.hoogle.hoogle_signature, opts)
  28                                         vim.keymap.set("n", "<localleader>ea", ht.lsp.buf_eval_all, opts)
  29                                         vim.keymap.set("n", "<localleader>rr", ht.repl.toggle, opts)
  30                                         vim.keymap.set("n", "<localleader>rf", function()
  31                                                 ht.repl.toggle(vim.api.nvim_buf_get_name(0))
  32                                         end, opts)
  33                                         vim.keymap.set("n", "<localleader>rq", ht.repl.quit, opts)
  34                                 end,
  35                                 root_dir = function(bufnr, on_dir)
  36                                         local fname = vim.api.nvim_buf_get_name(bufnr)
  37                                         on_dir(
  38                                                 util.root_pattern("hie.yaml", "stack.yaml", "cabal.project", "*.cabal", "package.yaml")(fname)
  39                                         )
  40                                 end,
  41                                 settings = { haskell = { cabalFormattingProvider = "cabalfmt", formattingProvider = "fourmolu" } },
  42                         },
  43                 }
  44         end,
  45 }