lina/nvim/lua/_cmp.lua

local cmp = require 'cmp'

local snip_status_ok, luasnip = pcall(require, "luasnip")
if not snip_status_ok then
    return
end

require("luasnip/loaders/from_vscode").lazy_load()

local check_backspace = function()
    local col = vim.fn.col "." - 1
    return col == 0 or vim.fn.getline("."):sub(col, col):match "%s"
end

local kind_icons = {
    Text = "",
    Method = "󰆧",
    Function = "󰊕",
    Constructor = "",
    Field = "󰇽",
    Variable = "󰂡",
    Class = "󰠱",
    Interface = "",
    Module = "",
    Property = "󰜢",
    Unit = "",
    Value = "󰎠",
    Enum = "",
    Keyword = "󰌋",
    Snippet = "",
    Color = "󰏘",
    File = "󰈙",
    Reference = "",
    Folder = "󰉋",
    EnumMember = "",
    Constant = "󰏿",
    Struct = "",
    Event = "",
    Operator = "󰆕",
    TypeParameter = "󰅲",
}

-- find more here: https://www.nerdfonts.com/cheat-sheet
--
cmp.setup {
    snippet = {
        expand = function(args)
            luasnip.lsp_expand(args.body) -- For `luasnip` users.
        end,
    },
    mapping = {
        ["<C-k>"] = cmp.mapping.select_prev_item(),
        ["<C-j>"] = cmp.mapping.select_next_item(),
        ["<C-b>"] = cmp.mapping(cmp.mapping.scroll_docs(-1), { "i", "c" }),
        ["<C-f>"] = cmp.mapping(cmp.mapping.scroll_docs(1), { "i", "c" }),
        ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
        ["<C-y>"] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
        ["<C-e>"] = cmp.mapping {
            i = cmp.mapping.abort(),
            c = cmp.mapping.close(),
        },
        -- Accept currently selected item. If none selected, `select` first item.
        -- Set `select` to `false` to only confirm explicitly selected items.
        ["<CR>"] = cmp.mapping.confirm { select = false },
        ["<Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
            elseif luasnip.expandable() then
                luasnip.expand()
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            elseif check_backspace() then
                fallback()
            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",
        }),
    },
    formatting = {
        fields = { "kind", "abbr", "menu" },
        format = function(entry, vim_item)
            -- Kind icons
            -- vim_item.kind = string.format("%s", kind_icons[vim_item.kind] or vim_item.kind)
            vim_item.kind = string.format('%s', kind_icons[vim_item.kind] or vim_item.kind)
            vim_item.menu = ({
                nvim_lsp = "[LSP]",
                nvim_lua = "[NVIM_LUA]",
                luasnip = "[Snippet]",
                buffer = "[Buffer]",
                path = "[Path]",
            })[entry.source.name]
            return vim_item
        end,
    },
    sources = {
        { name = "nvim_lsp" },
        { name = "nvim_lua" },
        { name = "luasnip" },
        { name = "buffer" },
        { name = "path" },
    },
    confirm_opts = {
        behavior = cmp.ConfirmBehavior.Replace,
        select = false,
    },
    window = {
        documentation = cmp.config.window.bordered(),
        completion = cmp.config.window.bordered(),
    },
    experimental = {
        ghost_text = true,
        native_menu = false,
    },
}

local cmp_autopairs = require('nvim-autopairs.completion.cmp')

cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())