in lib/@uncharted/strippets.common/src/uncharted.scrollable.js [67:81]
var onContainerMouseMove = function (e) {
// if the mouse button is compressed
if (t._isScrolling && e.buttons === 1) {
var delta = e.pageY - t._slideStart;
var maxHeight = t.$container.height() - t.$slider.height();
var position = (t._initialScrollPosition || 0) + delta;
if (position < 0) {
position = 0;
} else if (position > maxHeight) {
position = maxHeight;
}
updateReadingModeScrollPosition(position);
}
};