toggle lsp with <leader>vt

profiles/nvim/nvim.nix

@@ -321,6 +321,27 @@ in
           --       severity_limit = { "Error" }
           --     }
           --   })
+          vim.g.diagnostics_active = true
+          function _G.toggle_diagnostics()
+            if vim.g.diagnostics_active then
+              vim.g.diagnostics_active = false
+              vim.lsp.diagnostic.clear(0)
+              vim.lsp.handlers["textDocument/publishDiagnostics"] = function() end
+            else
+              vim.g.diagnostics_active = true
+              vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
+                vim.lsp.diagnostic.on_publish_diagnostics, {
+                  virtual_text = true,
+                  signs = true,
+                  underline = true,
+                  update_in_insert = false,
+                }
+              )
+            end
+          end
+
+          vim.api.nvim_set_keymap('n', '<leader>vt', ':call v:lua.toggle_diagnostics()<CR>',  {noremap = true, silent = true})
+
 
           -- autopairs
           require('nvim-autopairs').setup{}