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