28 lines
549 B
JavaScript
28 lines
549 B
JavaScript
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @format
|
|
* @flow
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
type Point = {
|
|
x: ?number,
|
|
y: ?number,
|
|
...
|
|
};
|
|
|
|
const dummyPoint = {x: undefined, y: undefined};
|
|
|
|
const pointsDiffer = function(one: ?Point, two: ?Point): boolean {
|
|
one = one || dummyPoint;
|
|
two = two || dummyPoint;
|
|
return one !== two && (one.x !== two.x || one.y !== two.y);
|
|
};
|
|
|
|
module.exports = pointsDiffer;
|