Editing.js

n = 0;
if (numKeys > 0) {
	n = nearestKey(time).index;
	if (key(n).time > time) {
		n--;
	}
}
if (n == 0) {
	time - inPoint;
} else {
	if (numKeys > n) {
		tMax = key(n + 1);
	} else {
		tMax = comp(name).duration;
	}
	tMin = key(n) + time - key(n).time;
	Math.min(tMin, tMax);
}