File

util/envload.lua @ 12949:2f61ebcf37c0

prosody.loader: Ensure already loaded modules are found in old and new namespaces Prevents modules being initialized twice, ensuring that require"prosody.util.foo" == require"util.foo"
author Kim Alvefur <zash@zash.se>
date Fri, 17 Mar 2023 15:11:26 +0100
parent 12576:d1aacc6a81ac
line wrap: on
line source

-- Prosody IM
-- Copyright (C) 2008-2011 Florian Zeitz
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
-- luacheck: ignore 113/setfenv 113/loadstring

local load = load;
local io_open = io.open;

local function envload(code, source, env)
	return load(code, source, nil, env);
end

local function envloadfile(file, env)
	local fh, err, errno = io_open(file);
	if not fh then return fh, err, errno; end
	local f, err = load(fh:lines(2048), "@" .. file, nil, env);
	fh:close();
	return f, err;
end

return { envload = envload, envloadfile = envloadfile };