Function makeExitSliceInterpolator

src/traces/treemap/plot_one.js:346–366

(pt, onPathbar, refRect, size)

    };

    var makeExitSliceInterpolator = function(pt, onPathbar, refRect, size) {
        var prev = getPrev(pt, onPathbar);
        var next;

        if(onPathbar) {
            next = pathbarOrigin;
        } else {
            var entryPrev = getPrev(entry, onPathbar);
            if(entryPrev) {
                // 'entryPrev' is here has the previous coordinates of the entry
                // node, which corresponds to the last "clicked" node when zooming in
                next = findClosestEdge(pt, entryPrev, size);
            } else {
                // this happens when maxdepth is set, when leaves must
                // be removed and the entry is new (i.e. does not have a 'prev' object)
                next = {};
            }
        }

        return interpolate(prev, next);
    };

    var makeUpdateSliceInterpolator = function(pt, onPathbar, refRect, size, opts) {
        var prev0 = getPrev(pt, onPathbar);