feat: A working state during the transfer between the old neovim

configurations and using newer built-in functionality in the 0.12.x
versions of Neovim.

Further work is needed for treesitter updates, cleanup of the conversion
work and testing to verify old functionality isn't lessened to get the
benefits of a cleaner config and vastly faster load times.

nvim/lua/plugins/luasnip.lua

@@ -1,12 +1,20 @@
-return {
-    'L3MON4D3/LuaSnip',
-    config = function()
-        require('luasnip.loaders.from_vscode').lazy_load()
-        require('luasnip.loaders.from_lua').lazy_load({ paths = "./snippets" })
-    end,
-    dependencies = {
-        'saadparwaiz1/cmp_luasnip', -- Wrapper to load snippets in nvim-cmp
-        'rafamadriz/friendly-snippets',
-    },
-    build = "make install_jsregexp"
-}
+vim.pack.add({
+    'https://github.com/saadparwaiz1/cmp_luasnip',
+    'https://github.com/rafamadriz/friendly-snippets',
+    'https://github.com/L3MON4D3/LuaSnip'
+})
+
+local luasnip_lua_path = vim.api.nvim_get_runtime_file('lua/luasnip/init.lua', false)[1]
+if not luasnip_lua_path then return end
+local luasnip_root = vim.fn.fnamemodify(luasnip_lua_path, ':h:h:h')
+
+vim.api.nvim_create_autocmd('PackChanged', { callback = function(args)
+    local name, kind = args.data.spec.name, args.data.kind
+    if name == 'luasnip' and kind == 'update' then
+        if not args.data.active then vim.cmd.packadd('luasnip') end
+        vim.system({'make', 'install_jsregexp'}, { cwd = luasnip_root })
+    end
+end})
+
+require('luasnip.loaders.from_vscode').lazy_load()
+require('luasnip.loaders.from_lua').lazy_load({ paths = "./snippets" })