Function adjust

src/default_theme/assets/split.js:267–277

(offset)

        // Both sizes are calculated from the initial parent percentage,
        // then the gutter size is subtracted.
        function adjust(offset) {
            var a = elements[this.a];
            var b = elements[this.b];
            var percentage = a.size + b.size;

            a.size = (offset / this.size) * percentage;
            b.size = percentage - (offset / this.size) * percentage;

            setElementSize(a.element, a.size, this[aGutterSize], a.i);
            setElementSize(b.element, b.size, this[bGutterSize], b.i);
        }

        // drag, where all the magic happens. The logic is really quite simple:
        //