Function to grab a Uint8Array as lua string

[daurnimator]

convert_uint8array = function (L) {
    let u = fengari.interop.checkjs(L, 1);
    fengari.lauxlib.luaL_argcheck(L, u instanceof Uint8Array, 1, "not a Uint8Array");
    fengari.lua.lua_pushstring(L, u);
    return 1;
});

[mbartlett21]

I've also got the matching inverse so that a function can return a Uint8Array.

(This was to do with wrapping JS's fetch API so it can be used like socket.http)

function str_touint8array(L) {
   let uarr = fengari.lauxlib.luaL_checkstring(L, 1);
   fengari.interop.push(L, uarr);
   return 1;
}

And so then I have the below as a script that is loaded:

Details

(function(){
function str_touint8array(L) {
   let uarr = fengari.lauxlib.luaL_checkstring(L, 1);
   fengari.interop.push(L, uarr);
   return 1;
}

function str_fromuint8array(L) {
   let v = fengari.interop.testjs(L, 1);
   fengari.lauxlib.luaL_argcheck(L, v instanceof Uint8Array, 1, "parameter should be Uint8Array");
   fengari.lua.lua_pushstring(L, v);
   return 1;
}

const luastringlib = {
   "touint8array": str_touint8array,
   "fromuint8array": str_fromuint8array,
};

function luaopen_luastring(L) {
   fengari.lauxlib.luaL_newlib(L, luastringlib);
   return 1;
}

fengari.lauxlib.luaL_requiref(fengari.L, fengari.to_luastring("luastring"), luaopen_luastring, 1);
})();