1 files changed, 42 insertions, 0 deletions
diff --git a/lua/lspconfig/server_configurations/hls.lua b/lua/lspconfig/server_configurations/hls.lua
new file mode 100644
index 00000000..ee58a96e
--- /dev/null
+++ b/lua/lspconfig/server_configurations/hls.lua
@@ -0,0 +1,42 @@
+local util = require 'lspconfig/util'
+
+return {
+  default_config = {
+    cmd = { 'haskell-language-server-wrapper', '--lsp' },
+    filetypes = { 'haskell', 'lhaskell' },
+    root_dir = util.root_pattern('*.cabal', 'stack.yaml', 'cabal.project', 'package.yaml', 'hie.yaml'),
+    settings = {
+      haskell = {
+        formattingProvider = 'ormolu',
+      },
+    },
+    lspinfo = function(cfg)
+      local extra = {}
+      local function on_stdout(_, data, _)
+        local version = data[1]
+        table.insert(extra, 'version:   ' .. version)
+      end
+
+      local opts = {
+        cwd = cfg.cwd,
+        stdout_buffered = true,
+        on_stdout = on_stdout,
+      }
+      local chanid = vim.fn.jobstart({ cfg.cmd[1], '--version' }, opts)
+      vim.fn.jobwait { chanid }
+      return extra
+    end,
+  },
+
+  docs = {
+    description = [[
+https://github.com/haskell/haskell-language-server
+
+Haskell Language Server
+        ]],
+
+    default_config = {
+      root_dir = [[root_pattern("*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml")]],
+    },
+  },
+}