nvim/lua/plugins/completion.lua at main · lararosekelley/nvim · GitHub

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--- Autocompletion configuration for Neovim using nvim-cmp and various sources
---
--- Author: @lararosekelley
--- Last Modified: August 27th, 2025
---
--- Bugs: https://github.com/folke/noice.nvim/issues/1142

return {
  {
    "hrsh7th/nvim-cmp",
    event = { "InsertEnter", "CmdlineEnter" },
    dependencies = {
      "hrsh7th/cmp-nvim-lsp",
      "hrsh7th/cmp-buffer",
      "hrsh7th/cmp-nvim-lua",
      "hrsh7th/cmp-path",
      "hrsh7th/cmp-emoji",
      "garyhurtz/cmp_kitty",
      "hrsh7th/cmp-cmdline",
      "zbirenbaum/copilot-cmp",
      {
        "MattiasMTS/cmp-dbee",
        dependencies = {
          { "kndndrj/nvim-dbee" },
        },
        ft = "sql",
        opts = {}, -- needed
      },
      {
        "garymjr/nvim-snippets",
        opts = {
          friendly_snippets = true,
        },
        dependencies = { "rafamadriz/friendly-snippets" },
      },
    },
    opts = function()
      vim.api.nvim_set_hl(0, "CmpGhostText", { link = "Comment", default = true })

      local cmp = require("cmp")
      local defaults = require("cmp.config.default")()

      -- search and help
      cmp.setup.cmdline({ "/", "?" }, {
        mapping = cmp.mapping.preset.cmdline(),
        sources = {
          { name = "buffer" },
        },
      })

      -- vim command line
      cmp.setup.cmdline(":", {
        mapping = cmp.mapping.preset.cmdline(),
        sources = cmp.config.sources({
          { name = "path" },
        }, {
          { name = "cmdline" },
        }),
      })

      -- main setup
      return {
        -- https://github.com/hrsh7th/nvim-cmp/wiki/List-of-sources
        sources = {
          { name = "copilot" },
          { name = "nvim_lsp" },
          { name = "nvim_lua" },
          { name = "snippets" },
          { name = "path" },
          { name = "emoji" },
          { name = "cmp-dbee" },
          { name = "kitty" },
          { name = "buffer" },
          { name = "lazydev", group_index = 0 }, -- skip loading LuaLS completions
        },
        completion = {
          auto_brackets = true,
          completeopt = "menu,menuone,noinsert",
        },
        window = {
          documentation = cmp.config.window.bordered(),
          completion = cmp.config.window.bordered(),
        },
        snippet = {
          expand = function(item)
            vim.snippet.expand(item.body)
          end,
        },
        preselect = cmp.PreselectMode.Item or cmp.PreselectMode.None,
        mapping = cmp.mapping.preset.insert({
          ["<C-b>"] = cmp.mapping.scroll_docs(-4),
          ["<C-f>"] = cmp.mapping.scroll_docs(4),
          -- C-n both opens the menu and walks it: it used to only walk, with
          -- C-Space as the manual trigger, but herdr now takes ctrl+space
          -- (no prefix) for its session navigator and grabs it before the pane.
          ["<C-n>"] = cmp.mapping(function()
            if cmp.visible() then
              cmp.select_next_item({ behavior = cmp.SelectBehavior.Insert })
            else
              cmp.complete()
            end
          end, { "i", "s" }),
          ["<C-p>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert }),
          ["<S-CR>"] = cmp.mapping.confirm({ select = true }),
          ["<C-y>"] = cmp.mapping.confirm({ select = true }),
          ["<C-e>"] = cmp.mapping.abort(),
        }),
        experimental = {
          ghost_text = {
            hl_group = "CmpGhostText",
          },
        },
        sorting = defaults.sorting,
      }
    end,
  },
  {
    "garyhurtz/cmp_kitty",
    cond = not vim.env.TMUX,
    event = { "InsertEnter", "LspAttach" },
    init = function()
      require("cmp_kitty"):setup()
    end,
  },
  {
    "zbirenbaum/copilot-cmp",
    event = { "InsertEnter", "LspAttach" },
    opts = {},
    config = function(_, opts)
      require("copilot_cmp").setup(opts)
    end,
  },
}