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path: root/after/plugin/cmp.lua
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local ok, cmp = pcall(require, "cmp")
if not ok then
	return
end

local lspkind = require("lspkind")
local luasnip = require("luasnip")
local cmp_autopairs = require("nvim-autopairs.completion.cmp")

cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done({ map_char = { tex = "" } }))

cmp.setup({
	mapping = {
		["<C-d>"] = cmp.mapping.scroll_docs(-4),
		["<C-f>"] = cmp.mapping.scroll_docs(4),
		["<C-e>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.close()
			elseif luasnip.expand_or_jumpable() then
				luasnip.expand_or_jump()
			else
				fallback()
			end
		end, { "i", "s" }),
		["<C-n>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			elseif luasnip.choice_active() then
				luasnip.change_choice(1)
			else
				fallback()
			end
		end, { "i", "s" }),
		["<C-p>"] = cmp.mapping.select_prev_item(),
		["<C-y>"] = cmp.mapping.confirm({
			behavior = cmp.ConfirmBehavior.Insert,
			select = true,
		}),
		["<c-space>"] = cmp.mapping.complete(),
	},
	sources = {
		{ name = "nvim_lua" },
		{ name = "nvim_lsp" },
		{ name = "path" },
		{ name = "luasnip" },
		{
			name = "buffer",
			keyword_length = 4,
			option = {
				get_bufnrs = function()
					local bufs = {}
					for _, win in ipairs(vim.api.nvim_list_wins()) do
						bufs[vim.api.nvim_win_get_buf(win)] = true
					end
					return vim.tbl_keys(bufs)
				end,
			},
		},
	},

	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},

	formatting = {
		format = lspkind.cmp_format({
			with_text = true,
			menu = {
				buffer = "[buf]",
				nvim_lsp = "[LSP]",
				nvim_lua = "[api]",
				path = "[path]",
				luasnip = "[snip]",
				["vim-dadbod-completion"] = "[DB]",
			},
		}),
	},

	experimental = {
		native_menu = false,

		ghost_text = true,
	},
})

-- Set configuration for specific filetype.
cmp.setup.filetype("gitcommit", {
	sources = cmp.config.sources({
		{ name = "cmp_git" }, -- You can specify the `cmp_git` source if you were installed it.
	}, {
		{ name = "buffer" },
	}),
})

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

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

cmp.setup.filetype({ "sql", "mysql", "plsql" }, {
	sources = cmp.config.sources({
		{ name = "vim-dadbod-completion" },
	}, {
		{ name = "buffer" },
	}),
})

cmp.setup.filetype({ "dap-repl", "dapui_watches" }, {
	sources = cmp.config.sources({
		{ name = "dap" },
	}, {
		{ name = "buffer" },
	}),
})

-- Setup lspconfig.
local capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())
-- Replace <YOUR_LSP_SERVER> with each lsp server you've enabled.
require("lspconfig")["emmet_ls"].setup({
	capabilities = capabilities,
})