var transitionEndHandler = function()

in src/modules/components/viewer.js [188:195]

• 7 lines of code
• 2 McCabe index (conditional complexity)

    var transitionEndHandler = function() {
        viewerEl.removeEventListener('transitionend', transitionEndHandler);
        viewerEl.classList.remove('is-animated');

        if (!preventRefresh) {
            reloadiFrame();
        }
    };