scroll-debug.ts

function scrollDebug(div: HTMLDivElement) {
    let scrollLeft: PropertyDescriptor | undefined;
    let t: any = div;
    while (!scrollLeft) {
        scrollLeft = Object.getOwnPropertyDescriptor(t, "scrollLeft");
        t = Object.getPrototypeOf(t);
    }
    Object.defineProperty(div, "scrollLeft", {
        ...scrollLeft,
        set(v) {
            logWithStackTrace("scrollLeft", v);
            scrollLeft!.set!.call(this, v);
        },
    });
}