kwin/autotests/integration/effects/scripts/animationTest.js

effects.windowAdded.connect(function(w) {
    w.anim1 = effect.animate(w, Effect.Scale, 100, 1.4, 0.2, 0, QEasingCurve.OutCubic);
    sendTestResponse(typeof(w.anim1) == "number");

    w.minimizedChanged.connect(() => {
        if (w.minimized) {
            retarget(w.anim1, 1.5, 200);
        } else {
            cancel(w.anim1);
        }
    });
});