max.js
976 Bytes
define(['./_isArrayLike', './values', './_cb', './each'], function (_isArrayLike, values, _cb, each) {
// Return the maximum element (or element-based computation).
function max(obj, iteratee, context) {
var result = -Infinity, lastComputed = -Infinity,
value, computed;
if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) {
obj = _isArrayLike(obj) ? obj : values(obj);
for (var i = 0, length = obj.length; i < length; i++) {
value = obj[i];
if (value != null && value > result) {
result = value;
}
}
} else {
iteratee = _cb(iteratee, context);
each(obj, function(v, index, list) {
computed = iteratee(v, index, list);
if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
result = v;
lastComputed = computed;
}
});
}
return result;
}
return max;
});