replace compe with cmp

lua/plugins/configs/cmp.lua

@@ -0,0 +1,63 @@
+vim.opt.completeopt = "menuone,noselect"
+
+local lspkind = require "lspkind"
+local luasnip = require "luasnip"
+
+-- nvim-cmp setup
+local cmp = require "cmp"
+cmp.setup {
+   snippet = {
+      expand = function(args)
+         require("luasnip").lsp_expand(args.body)
+      end,
+   },
+   formatting = {
+      format = function(entry, vim_item)
+         vim_item.kind = lspkind.presets.default[vim_item.kind] .. " " .. vim_item.kind
+
+         vim_item.menu = ({
+            nvim_lsp = "[LSP]",
+            nvim_lua = "[Lua]",
+            buffer = "[BUF]",
+         })[entry.source.name]
+
+         return vim_item
+      end,
+   },
+   mapping = {
+      ["<C-p>"] = cmp.mapping.select_prev_item(),
+      ["<C-n>"] = cmp.mapping.select_next_item(),
+      ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+      ["<C-f>"] = cmp.mapping.scroll_docs(4),
+      ["<C-Space>"] = cmp.mapping.complete(),
+      ["<C-e>"] = cmp.mapping.close(),
+      ["<CR>"] = cmp.mapping.confirm {
+         behavior = cmp.ConfirmBehavior.Replace,
+         select = true,
+      },
+      ["<Tab>"] = function(fallback)
+         if vim.fn.pumvisible() == 1 then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-n>", true, true, true), "n")
+         elseif luasnip.expand_or_jumpable() then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
+         else
+            fallback()
+         end
+      end,
+      ["<S-Tab>"] = function(fallback)
+         if vim.fn.pumvisible() == 1 then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-p>", true, true, true), "n")
+         elseif luasnip.jumpable(-1) then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
+         else
+            fallback()
+         end
+      end,
+   },
+   sources = {
+      { name = "nvim_lsp" },
+      { name = "luasnip" },
+      { name = "buffer" },
+      { name = "nvim_lua" },
+   },
+}