vim/lsp: lazy load

config/nvim/lua/fschauen/plugins/lsp.lua

@@ -1,16 +1,25 @@
-local config = function()
-  -- Enable rounded borders for LSP handlers and :LspInfo windows.
 local border = 'rounded'
-  for request, handler in pairs {
-    ['textDocument/hover'] = vim.lsp.handlers.hover,
-    ['textDocument/signatureHelp'] = vim.lsp.handlers.signature_help,
-  } do
-    vim.lsp.handlers[request] = vim.lsp.with(handler, { border = border })
-  end
-  require('lspconfig.ui.windows').default_options = { border = border }
 
+return {
+  'neovim/nvim-lspconfig',
+  dependencies = {
+    'williamboman/mason.nvim',
+    'williamboman/mason-lspconfig.nvim',
+  },
+  event = {
+    'BufReadPost',
+    'BufNewFile'
+  },
+  config = function()
     local opts = {
-    capabilities = vim.lsp.protocol.make_client_capabilities(),
+      capabilities = (function()
+        local caps = vim.lsp.protocol.make_client_capabilities()
+        local cmp = vim.F.npcall(require, 'cmp_nvim_lsp')
+        if cmp then
+          vim.tbl_deep_extend('force', caps, cmp.default_capabilities())
+        end
+        return caps
+      end)(),
 
       on_attach = function( --[[client]] _, bufnr)
         vim.bo.omnifunc = 'v:lua.vim.lsp.omnifunc' -- do completion with <c-x><c-o>
@@ -35,18 +44,22 @@ local config = function()
       end,
     }
 
-  local cmp = vim.F.npcall(require, 'cmp_nvim_lsp')
-  if cmp then
-    vim.tbl_deep_extend('force', opts.capabilities, cmp.default_capabilities())
+    -- Enable rounded borders for LSP handlers and :LspInfo windows.
+    for request, handler in pairs {
+      ['textDocument/hover'] = vim.lsp.handlers.hover,
+      ['textDocument/signatureHelp'] = vim.lsp.handlers.signature_help,
+    } do
+      vim.lsp.handlers[request] = vim.lsp.with(handler, { border = border })
     end
+    require('lspconfig.ui.windows').default_options = { border = border }
 
     require('mason').setup {
       ui = {
-      border = 'rounded',
+        border = border,
       },
     }
-  require('mason-lspconfig').setup {}
-  require("mason-lspconfig").setup_handlers {
+    require('mason-lspconfig').setup {
+      handlers = {
         --[[ default = ]] function(server)
         require('lspconfig')[server].setup(opts)
       end,
@@ -62,7 +75,7 @@ local config = function()
                 diagnostics = { globals = { 'vim' } },
 
                 -- Make the server aware of Neovim runtime files.
-            workspace = { library = vim.api.nvim_get_runtime_file("", true) },
+                workspace = { library = vim.api.nvim_get_runtime_file('', true) },
 
                 -- Do not send telemetry data containing a randomized but unique identifier
                 telemetry = { enable = false },
@@ -83,16 +96,8 @@ local config = function()
             sdk_include_prereleases = false,
           }))
         end,
-  }
-end
-
-return {
-  'neovim/nvim-lspconfig',
-
-  config = config,
-  dependencies = {
-    'williamboman/mason.nvim',
-    'williamboman/mason-lspconfig.nvim',
       },
     }
+  end,
+}