[NeoVim] Better LSP management

.config/nvim/lua/lspconfig/settings.lua

@@ -1,7 +1,5 @@
 local servers = { 'pyright', 'sumneko_lua', 'eslint', 'tsserver', 'ltex' }
 
-local ltex = require('lspconfig.ltex')
-
 -- Mappings.
 -- See `:help vim.diagnostic.*` for documentation on any of the below functions
 local opts = { noremap=true, silent=true }
@@ -41,10 +39,8 @@ require("mason-lspconfig").setup({
   ensure_installed = servers
 })
 
--- Use a loop to conveniently call 'setup' on multiple servers and
--- map buffer local keybindings when the language server attaches
 for _, lsp in pairs(servers) do
-  require('lspconfig')[lsp].setup {
+  local lsp_opts = {
     on_attach = on_attach,
     capabilities = capabilities,
     flags = {
@@ -52,30 +48,14 @@ for _, lsp in pairs(servers) do
       debounce_text_changes = 150,
     }
   }
+  local status, config = pcall(require, 'lspconfig.' .. lsp)
+  if status then
+    config.setup(lsp_opts)
+  else
+    require('lspconfig')[lsp].setup(lsp_opts)
+  end
 end
 
-require('lspconfig')['ltex'].setup {
-  on_attach = function(client)
-    on_attach(client)
-    ltex.on_attach()
-  end,
-  capabilities = capabilities,
-  flags = {
-    -- This will be the default in neovim 0.7+
-    debounce_text_changes = 150,
-  },
-  settings = {
-    ltex = {
-      dictionary = {},
-      disabledRules = {},
-      hiddenFalsePositives = {},
-      additionalRules = {
-        enablePickyRules = true,
-      },
-    },
-  },
-}
-
 -- luasnip setup
 local luasnip = require 'luasnip'
 require('luasnip.loaders.from_vscode').lazy_load()