fix(tabout-nvim): make nvim-cmp optional and add support for vim.snippet (#1220)

Author: mehalter

lua/astrocommunity/motion/tabout-nvim/init.lua

@@ -1,18 +1,25 @@
 return {
   "abecodes/tabout.nvim",
   event = "InsertEnter",
-  dependencies = {
-    "nvim-treesitter/nvim-treesitter",
+  dependencies = { "nvim-treesitter/nvim-treesitter" },
+  specs = {
     {
       "hrsh7th/nvim-cmp",
+      optional = true,
       opts = function(_, opts)
         local cmp = require "cmp"
+        local snippet_jumpable = function() return vim.snippet and vim.snippet.active { direction = 1 } end
+        local snippet_jump = vim.schedule_wrap(function() vim.snippet.jump(1) end)
         local luasnip_avail, luasnip = pcall(require, "luasnip")
+        if luasnip_avail then
+          snippet_jumpable = luasnip.expand_or_jumpable
+          snippet_jump = luasnip.expand_or_jump
+        end
         opts.mapping["<Tab>"] = cmp.mapping(function(fallback)
           if cmp.visible() then
             cmp.select_next_item()
-          elseif luasnip_avail and luasnip.expand_or_jumpable() then
-            luasnip.expand_or_jump()
+          elseif vim.api.nvim_get_mode() ~= "c" and snippet_jumpable() then
+            snippet_jump()
           elseif not luasnip_avail and pcall(vim.snippet.active, { direction = 1 }) then
             vim.snippet.jump(1)
           else