31 lines
687 B
JavaScript
31 lines
687 B
JavaScript
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*
|
|
* @providesModule pointsDiffer
|
|
* @flow
|
|
*/
|
|
'use strict';
|
|
|
|
type Point = {
|
|
x: ?number;
|
|
y: ?number;
|
|
}
|
|
|
|
var dummyPoint = {x: undefined, y: undefined};
|
|
|
|
var pointsDiffer = function(one: ?Point, two: ?Point): bool {
|
|
one = one || dummyPoint;
|
|
two = two || dummyPoint;
|
|
return one !== two && (
|
|
one.x !== two.x ||
|
|
one.y !== two.y
|
|
);
|
|
};
|
|
|
|
module.exports = pointsDiffer;
|