1 files changed, 125 insertions, 0 deletions
diff --git a/.config/nvim/lua/user/utils.lua b/.config/nvim/lua/user/utils.lua
new file mode 100644
index 0000000..f70fac5
--- /dev/null
+++ b/.config/nvim/lua/user/utils.lua
@@ -0,0 +1,125 @@
+local M = {}
+
+--- Shorten Function Names
+local fn = vim.fn
+function M.executable(name)
+  if fn.executable(name) > 0 then
+    return true
+  end
+
+  return false
+end
+
+
+--------------------------------------------------
+
+--- Check whether a feature exists in Nvim
+--- @feat: string
+---   the feature name, like `nvim-0.7` or `unix`.
+--- return: bool
+M.has = function(feat)
+  if fn.has(feat) == 1 then
+    return true
+  end
+
+  return false
+end
+
+
+--------------------------------------------------
+
+---Determine if a value of any type is empty
+---@param item any
+---@return boolean?
+function M.empty(item)
+  if not item then return true end
+  local item_type = type(item)
+  if item_type == 'string' then return item == '' end
+  if item_type == 'number' then return item <= 0 end
+  if item_type == 'table' then return vim.tbl_isempty(item) end
+  return item ~= nil
+end
+
+--------------------------------------------------
+
+--- Create a dir if it does not exist
+function M.may_create_dir(dir)
+  local res = fn.isdirectory(dir)
+
+  if res == 0 then
+    fn.mkdir(dir, "p")
+  end
+end
+
+
+--------------------------------------------------
+
+--- Toggle cmp completion
+vim.g.cmp_toggle_flag = false -- initialize
+local normal_buftype = function()
+  return vim.api.nvim_buf_get_option(0, "buftype") ~= "prompt"
+end
+M.toggle_completion = function()
+  local ok, cmp = pcall(require, "cmp")
+  if ok then
+    local next_cmp_toggle_flag = not vim.g.cmp_toggle_flag
+    if next_cmp_toggle_flag then
+      print("completion on")
+    else
+      print("completion off")
+    end
+    cmp.setup({
+      enabled = function()
+        vim.g.cmp_toggle_flag = next_cmp_toggle_flag
+        if next_cmp_toggle_flag then
+          return normal_buftype
+        else
+          return next_cmp_toggle_flag
+        end
+      end,
+    })
+  else
+    print("completion not available")
+  end
+end
+
+
+--------------------------------------------------
+
+--- Make sure using latest neovim version
+function M.get_nvim_version()
+  local actual_ver = vim.version()
+
+  local nvim_ver_str = string.format("%d.%d.%d", actual_ver.major, actual_ver.minor, actual_ver.patch)
+  return nvim_ver_str
+end
+
+function M.add_pack(name)
+  local status, error = pcall(vim.cmd, "packadd " .. name)
+
+  return status
+end
+
+
+--------------------------------------------------
+
+--- Toggle autopairs on/off (requires "windwp/nvim-autopairs")
+function M.Toggle_autopairs()
+	local ok, autopairs = pcall(require, "nvim-autopairs")
+	if ok then
+		if autopairs.state.disabled then
+			autopairs.enable()
+			print("autopairs on")
+		else
+			autopairs.disable()
+			print("autopairs off")
+		end
+	else
+		print("autopairs not available")
+	end
+end
+
+return M
+
+
+--------------------------------------------------