function isTouchpad()

in Documents/assets/smoothscroll/smooth-scroll.js [588:603]

• 16 lines of code
• 5 McCabe index (conditional complexity)

function isTouchpad(deltaY) {
    if (!deltaY) return;
    if (!deltaBuffer.length) {
        deltaBuffer = [deltaY, deltaY, deltaY];
    }
    deltaY = Math.abs(deltaY);
    deltaBuffer.push(deltaY);
    deltaBuffer.shift();
    clearTimeout(deltaBufferTimer);
    deltaBufferTimer = setTimeout(function () {
        try { // #46 Safari throws in private browsing for localStorage
            localStorage.SS_deltaBuffer = deltaBuffer.join(',');
        } catch (e) { }
    }, 1000);
    return !allDeltasDivisableBy(120) && !allDeltasDivisableBy(100);
}