dotfiles/.config/nvim/lua/pluginconf/coc.lua

coc = {}

vim.g.coc_global_extensions = {
	"coc-clangd",
	"coc-fish",
	"coc-go",
	"coc-haxe",
	"coc-java",
	"coc-json",
	"coc-kotlin",
	"coc-rust-analyzer",
	"coc-snippets",
	"coc-sumneko-lua",
	"coc-toml",
}

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

function coc.tab_completion()
	if vim.fn.pumvisible() > 0 then
		return escape_keycode("<C-n>")
	end

	if check_back_space() then
		return escape_keycode("<TAB>")
	end

	return vim.fn["coc#refresh"]()
end

function coc.shift_tab_completion()
	if vim.fn.pumvisible() > 0 then
		return escape_keycode("<C-p>")
	else
		return escape_keycode("<C-h>")
	end
end

function coc.cr_completion()
	if vim.fn.pumvisible() > 0 then
		return vim.fn["coc#_select_confirm"]()
	else
		return escape_keycode([[\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>]])
	end
end