nvim: after/ftplugin/purescript: Add PureScript LSP support

nvim/.config/nvim/after/ftplugin/purescript.lua

@@ -1,2 +1,14 @@
 vim.bo.textwidth  = 0
 vim.bo.wrapmargin = 0
+
+local lsp_utils      = require('lsp-utils')
+local puresls_config = lsp_utils.pursls_config()
+
+vim.lsp.start(puresls_config)
+
+vim.api.nvim_create_autocmd({ "BufReadPre", "BufWinEnter" }, {
+  pattern  = { "*.spago/*" },
+  callback = function()
+    vim.bo.buflisted = false
+  end,
+})

nvim/.config/nvim/lua/lsp-utils.lua

@@ -211,6 +211,24 @@ function M.jedi_config()
   }
 end
 
+function M.pursls_config()
+  local root_files     = { 'bower.json', 'psc-package.json', 'spago.dhall' }
+  local root_directory = get_root_directory(root_files)
+
+  return {
+    name                = "purescriptls",
+    cmd                 = { 'purescript-language-server', '--stdio' },
+    root_dir            = root_directory,
+    filetypes           = { 'purescript' },
+    single_file_support = false,
+    settings            = {
+      purescript = {
+        formatter = 'purs-tidy',
+      }
+    },
+  }
+end
+
 function M.ra_config()
   local root_files     = { "Cargo.toml" }
   local root_directory = get_root_directory(root_files)