feat: revert coupled

.config/nvim/lua/after/plugin/cmp.lua

@@ -0,0 +1,53 @@
+local cmp = require "cmp"
+local luasnip = require "luasnip"
+
+require "luasnip.loaders.from_vscode".lazy_load({ paths = { "./snippets" } })
+
+local has_words_before = function()
+	unpack = unpack or table.unpack
+	local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+	return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+end
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body)
+		end,
+	},
+	mapping = cmp.mapping.preset.insert {
+		['<C-d>'] = cmp.mapping.scroll_docs(-4),
+		['<C-u>'] = cmp.mapping.scroll_docs(4),
+		-- ['<C-Space>'] = cmp.mapping.complete(),
+		['<CR>'] = cmp.mapping.confirm {
+			behavior = cmp.ConfirmBehavior.Insert,
+			select = true,
+		},
+		["<Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_next_item()
+				-- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
+				-- they way you will only jump inside the snippet region
+			elseif luasnip.expand_or_jumpable() then
+				luasnip.expand_or_jump()
+			elseif has_words_before() then
+				cmp.complete()
+			else
+				fallback()
+			end
+		end, { "i", "s" }),
+		["<S-Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_prev_item()
+			elseif luasnip.jumpable(-1) then
+				luasnip.jump(-1)
+			else
+				fallback()
+			end
+		end, { "i", "s" }),
+	},
+	sources = {
+		{ name = "nvim_lsp" },
+		{ name = "luasnip" },
+	},
+})