modify lua init

nvim/lua/plugins/nvim-cmp.lua

@@ -0,0 +1,73 @@
+local cmp = require('cmp')
+
+cmp.setup({
+  snippet = {
+    expand = function(args)
+      vim.fn["vsnip#anonymous"](args.body)
+    end,
+  },
+  window = {
+    completion = cmp.config.window.bordered(),
+    documentation = cmp.config.window.bordered(),
+  },
+  mapping = cmp.mapping.preset.insert({
+      ["<Tab>"] = cmp.mapping(function(fallback)
+        if cmp.visible() then
+          cmp.select_next_item()
+        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" }),
+    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.abort(),
+    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+  }),
+  sources = cmp.config.sources({
+    { name = 'nvim_lsp' },
+    { name = 'vsnip' },
+  }, {
+    { name = 'buffer' },
+  })
+})
+
+-- Set configuration for specific filetype.
+cmp.setup.filetype('gitcommit', {
+  sources = cmp.config.sources({
+    { name = 'cmp_git' },
+  }, {
+    { name = 'buffer' },
+  })
+})
+
+-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline('/', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = {
+    { name = 'buffer' }
+  }
+})
+
+-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline(':', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = cmp.config.sources({
+    { name = 'path' }
+  }, {
+    { name = 'cmdline' }
+  })
+})