neovim: add module for enabling/disabling formatting

neovim/.config/nvim/after/plugin/commands.lua

@@ -1,3 +1,10 @@
+local formatting = require("daniil.formatting")
+
 vim.api.nvim_create_user_command("ClearQuickfixList", function()
   vim.fn.setqflist({})
 end, {})
+
+vim.api.nvim_create_user_command("FormattingEnable", formatting.enable, {})
+vim.api.nvim_create_user_command("FormattingDisable", formatting.disable, {})
+vim.api.nvim_create_user_command("FormattingToggle", formatting.toggle, {})
+vim.api.nvim_create_user_command("FormattingStatus", formatting.status, {})

neovim/.config/nvim/after/plugin/lsp.lua

@@ -4,19 +4,20 @@ local lsp_installer = require("mason-lspconfig")
 local lspconfig = require("lspconfig")
 local null_ls = require("null-ls")
 local util = lspconfig.util
+local formatting = require("daniil.formatting")
 
-local formatting = null_ls.builtins.formatting
+local null_formatting = null_ls.builtins.formatting
 
 mason.setup()
 lsp_installer.setup()
 
 null_ls.setup({
   sources = {
-    formatting.prettierd,
-    formatting.stylua,
-    formatting.gofmt,
-    formatting.goimports,
-    formatting.shfmt,
+    null_formatting.prettierd,
+    null_formatting.stylua,
+    null_formatting.gofmt,
+    null_formatting.goimports,
+    null_formatting.shfmt,
   },
   on_attach = function()
     local group = vim.api.nvim_create_augroup("NullLsLspFormatting", { clear = true })
@@ -24,6 +25,10 @@ null_ls.setup({
       pattern = "*",
       group = group,
       callback = function()
+        if not formatting.is_enabled() then
+          return
+        end
+
         vim.lsp.buf.format()
       end,
     })

neovim/.config/nvim/after/plugin/remaps.lua

@@ -1,3 +1,5 @@
+local formatting = require("daniil.formatting")
+
 -- Disable different keys and commands
 vim.keymap.set({ "n", "i", "v" }, "<PageDown>", "<nop>")
 vim.keymap.set({ "n", "i", "v" }, "<PageUp>", "<nop>")
@@ -35,3 +37,6 @@ vim.keymap.set("n", "<C-q><C-q>", function()
 end)
 vim.keymap.set("n", "<C-q>n", vim.cmd.cnext)
 vim.keymap.set("n", "<C-q>N", vim.cmd.cprevious)
+
+-- formatting
+vim.keymap.set("n", "<C-g>", formatting.toggle)

neovim/.config/nvim/lua/daniil/formatting/init.lua

@@ -0,0 +1,35 @@
+local M = {}
+
+vim.g.daniil_formatting_enabled = 1
+
+function M.enable()
+  vim.g.daniil_formatting_enabled = 1
+end
+
+function M.disable()
+  vim.g.daniil_formatting_enabled = 0
+end
+
+function M.toggle()
+  if M.is_enabled() then
+    M.disable()
+  else
+    M.enable()
+  end
+
+  M.status()
+end
+
+function M.is_enabled()
+  return vim.g.daniil_formatting_enabled == 1
+end
+
+function M.status()
+  if M.is_enabled() then
+    vim.notify("Formatting enabled")
+  else
+    vim.notify("Formatting disabled")
+  end
+end
+
+return M