dotfiles/.config/nvim/lua/plugins/cmp.lua

local cmp = require'cmp'

cmp.setup({
    -- snippet = {
    --     -- REQUIRED - you must specify a snippet engine
    --     expand = function(args)
    --     vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
    --     -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
    --     -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
    --     -- require'snippy'.expand_snippet(args.body) -- For `snippy` users.
    --     end,
    -- },
    mapping = {
        ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
        ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { '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(),
        }),
        ['<CR>'] = cmp.mapping.confirm({ select = true }),
    },
    sources = cmp.config.sources({
        { name = 'nvim_lsp' },
        -- { name = 'vsnip' }, -- For vsnip users.
        -- { name = 'luasnip' }, -- For luasnip users.
        -- { name = 'ultisnips' }, -- For ultisnips users.
        -- { name = 'snippy' }, -- For snippy users.
    }, {
        { name = 'buffer' },
    })
})

-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline('/', {
    sources = {
        { name = 'buffer' }
    }
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(':', {
    sources = cmp.config.sources({
        { name = 'path' }
    }, {
        { name = 'cmdline' }
    })
})

-- Setup lspconfig.
local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)