Function load_async_executor

gjs/internal.cpp:588–616

}

GJS_JSAPI_RETURN_CONVENTION
static bool load_async_executor(JSContext* cx, unsigned argc, JS::Value* vp) {
    JS::CallArgs args = CallArgsFromVp(argc, vp);
    JS::RootedObject resolve(cx), reject(cx);
    if (!gjs_parse_call_args(cx, "executor", args, "oo", "resolve", &resolve,
                             "reject", &reject))
        return handle_wrong_args(cx);

    g_assert(JS_ObjectIsFunction(resolve) && "Executor called weirdly");
    g_assert(JS_ObjectIsFunction(reject) && "Executor called weirdly");

    JS::Value priv_value = js::GetFunctionNativeReserved(&args.callee(), 0);
    g_assert(!priv_value.isNull() && "Executor called twice");
    Gjs::AutoUnref<GFile> file{G_FILE(priv_value.toPrivate())};
    g_assert(file && "Executor called twice");
    // We now own the GFile, and will pass the reference to the GAsyncResult, so
    // remove it from the executor's private slot so it doesn't become dangling
    js::SetFunctionNativeReserved(&args.callee(), 0, JS::NullValue());

    auto* data = new PromiseData(cx, JS_GetObjectFunction(resolve),
                                 JS_GetObjectFunction(reject));

    // Hold the main loop until this function resolves...
    GjsContextPrivate::from_cx(cx)->main_loop_hold();
    g_file_load_contents_async(file, nullptr, load_async_callback, data);

    args.rval().setUndefined();
    return true;
}

bool gjs_internal_load_resource_or_file_async(JSContext* cx, unsigned argc,
                                              JS::Value* vp) {