Function argumentsToTileParameters

include/nodejs/node_osrm_support.hpp:1217–1275

}

inline tile_parameters_ptr argumentsToTileParameters(const Napi::CallbackInfo &args,
                                                     bool /*unused*/)
{
    tile_parameters_ptr params = std::make_unique<osrm::TileParameters>();

    if (args.Length() < 2)
    {
        ThrowTypeError(args.Env(), "Coordinate object and callback required");
        return tile_parameters_ptr();
    }

    if (!args[0].IsArray())
    {
        ThrowTypeError(args.Env(), "Parameter must be an array [x, y, z]");
        return tile_parameters_ptr();
    }

    Napi::Array array = args[0].As<Napi::Array>();

    if (array.Length() != 3)
    {
        ThrowTypeError(args.Env(), "Parameter must be an array [x, y, z]");
        return tile_parameters_ptr();
    }

    Napi::Value x = array.Get(static_cast<uint32_t>(0));
    Napi::Value y = array.Get(static_cast<uint32_t>(1));
    Napi::Value z = array.Get(static_cast<uint32_t>(2));
    if (x.IsEmpty() || y.IsEmpty() || z.IsEmpty())
        return tile_parameters_ptr();

    if (!IsUnsignedInteger(x) && !x.IsUndefined())
    {
        ThrowError(args.Env(), "Tile x coordinate must be unsigned interger");
        return tile_parameters_ptr();
    }
    if (!IsUnsignedInteger(y) && !y.IsUndefined())
    {
        ThrowError(args.Env(), "Tile y coordinate must be unsigned interger");
        return tile_parameters_ptr();
    }
    if (!IsUnsignedInteger(z) && !z.IsUndefined())
    {
        ThrowError(args.Env(), "Tile z coordinate must be unsigned interger");
        return tile_parameters_ptr();
    }

    params->x = x.ToNumber().Uint32Value();
    params->y = y.ToNumber().Uint32Value();
    params->z = z.ToNumber().Uint32Value();

    if (!params->IsValid())
    {
        ThrowError(args.Env(), "Invalid tile coordinates");
        return tile_parameters_ptr();
    }

    return params;