Question 1

How to set up cmp-nvim-lua with nvim-cmp?

Accepted Answer

Install via a package manager like Packer, then add { name = 'nvim_lua' } to the sources in nvim-cmp's setup function, as per the README example. No complex configuration is needed for basic use.

Question 2

Does cmp-nvim-lua complete standard Lua functions like string or table?

Accepted Answer

No, it only completes Neovim's built-in Lua API, such as vim.lsp.* and vim.api. For standard Lua libraries, you'll need other nvim-cmp sources like cmp-lua.

Question 3

cmp-nvim-lua or cmp-buffer which is better for Lua coding?

Accepted Answer

cmp-nvim-lua is specifically for Neovim Lua API completions, while cmp-buffer offers completions from open buffers. They serve different purposes and are often used together in nvim-cmp for comprehensive coverage.

Question 4

How to exclude deprecated APIs in cmp-nvim-lua?

Accepted Answer

Set the include_deprecated option to false in the source configuration. By default, it excludes deprecated APIs to provide cleaner suggestions.

Question 5

What Lua modules does cmp-nvim-lua support beyond vim.lsp?

Accepted Answer

It supports various Neovim Lua runtime modules like vim.api, vim.fn, and vim.keymap, but not external libraries. Refer to Neovim's documentation for the full API list.

Question 6

Is cmp-nvim-lua necessary if I already use nvim-cmp?

Accepted Answer

It's highly recommended if you write Lua code in Neovim, as it adds specialized completions for the editor's API. Without it, you'll miss out on context-aware suggestions for functions like vim.lsp.buf.formatting.

cmp-nvim-lua

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