neovim: add zenmode module

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

@@ -36,3 +36,6 @@ 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)
+
+-- zenmode
+vim.keymap.set("n", "<leader>z", require("daniil.zenmode").toggle)

neovim/.config/nvim/lua/daniil/zenmode.lua

@@ -0,0 +1,33 @@
+local zenmode = {
+  enabled = false,
+}
+
+function zenmode.enable()
+  vim.opt.number = false
+  vim.opt.relativenumber = false
+  vim.opt.showtabline = 0
+  require("lualine").hide()
+  vim.diagnostic.disable()
+
+  zenmode.enabled = true
+end
+
+function zenmode.disable()
+  vim.opt.number = true
+  vim.opt.relativenumber = true
+  vim.opt.showtabline = 2
+  require("lualine").hide({ unhide = true })
+  vim.diagnostic.enable()
+
+  zenmode.enabled = false
+end
+
+function zenmode.toggle()
+  if zenmode.enabled then
+    zenmode.disable()
+  else
+    zenmode.enable()
+  end
+end
+
+return zenmode