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/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule maxBy
* @flow
*/
var minBy = require('./minBy');
var compareNumber = (a, b) => a - b;
/**
* Returns the maximum element as measured by a scoring function f. Returns the
* first such element if there are ties.
*/
function maxBy<A, B>(as: Iterable<A>, f: (a: A) => B, compare?: ?(u: B, v: B) => number): ?A {
compare = compare || (compareNumber: any);
return minBy(as, f, (u, v) => (compare: any)(v, u));
}
module.exports = maxBy;
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