use kickstart-nix

nvim/plugin/completion.lua

@@ -0,0 +1,47 @@
+if vim.g.did_load_completion_plugin then
+  return
+end
+vim.g.did_load_completion_plugin = true
+local cmp = require'cmp'
+
+cmp.setup({
+  snippet = {
+    expand = function(args)
+      require('luasnip').lsp_expand(args.body)
+    end,
+  },
+  experimental = {
+    native_menu = false,
+    ghost_text = true,
+  },
+  mapping = cmp.mapping.preset.insert({
+    ['<C-j>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-k>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['q'] = cmp.mapping.abort(),
+    ['<C-Space>'] = 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 = 'luasnip' },
+  }, {
+    { name = 'buffer' },
+  })
+})
+
+cmp.setup.cmdline({ '/', '?' }, {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = {
+    { name = 'buffer' }
+  }
+})
+
+cmp.setup.cmdline(':', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = cmp.config.sources({
+    { name = 'path' }
+  }, {
+    { name = 'cmdline' }
+  }),
+  matching = { disallow_symbol_nonprefix_matching = false }
+})