autocomplete.lua

return {
    "hrsh7th/nvim-cmp",
    ---@param opts cmp.ConfigSchema
    opts = function(_, opts)
    local has_words_before = function()
    unpack = unpack or table.unpack
    local line, col = unpack(vim.api.nvim_win_get_cursor(0))
    return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
    end

    local cmp = require("cmp")

    opts.mapping = vim.tbl_extend("force", opts.mapping, {
        ["<Tab>"] = cmp.mapping(function(fallback)
        if cmp.visible() then
            -- You could replace select_next_item() with confirm({ select = true }) to get VS Code autocompletion behavior
            cmp.select_next_item()
            elseif vim.snippet.active({ direction = 1 }) then
                vim.schedule(function()
                vim.snippet.jump(1)
                end)
                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 vim.snippet.active({ direction = -1 }) then
                                vim.schedule(function()
                                vim.snippet.jump(-1)
                                end)
                                else
                                    fallback()
                                    end
                                    end, { "i", "s" }),
    })
    end,
}