.files/.config/nvim/plugin/cmp.lua

local cmp = require("cmp")
local luasnip = require("luasnip")

luasnip.setup { update_events = { "TextChanged", "TextChangedI" } }

cmp.setup {
    snippet = {
        expand = function(args) luasnip.lsp_expand(args.body) end,
    },
    mapping = cmp.mapping.preset.insert {
        ["<Tab>"] = cmp.mapping(function(fallback)
            if luasnip.locally_jumpable(1) then
                luasnip.jump(1)
            else
                fallback()
            end
        end, { "i", "s" }),

        ["<S-Tab>"] = cmp.mapping(function(fallback)
            if luasnip.locally_jumpable(-1) then
                luasnip.jump(-1)
            else
                fallback()
            end
        end, { "i", "s" }),
    },
    sources = cmp.config.sources({
        { name = "luasnip" },
        { name = "nvim_lsp" },
        { name = "path" },
    }, {
        { name = "buffer" },
        { name = "spell" },
    }),
}