62 lines
1.4 KiB
Plaintext
62 lines
1.4 KiB
Plaintext
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/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule getViewportDimensions
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* @flow
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* @typechecks
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*/
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type ViewportDimensions = { width: number; height: number; };
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function getViewportWidth(): number {
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let width;
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if (document.documentElement) {
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width = document.documentElement.clientWidth;
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}
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if (!width && document.body) {
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width = document.body.clientWidth;
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}
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return width || 0;
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}
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function getViewportHeight(): number {
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let height;
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if (document.documentElement) {
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height = document.documentElement.clientHeight;
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}
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if (!height && document.body) {
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height = document.body.clientHeight;
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}
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return height || 0;
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}
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/**
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* Gets the viewport dimensions including any scrollbars.
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*/
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function getViewportDimensions(): ViewportDimensions {
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return {
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width: window.innerWidth || getViewportWidth(),
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height: window.innerHeight || getViewportHeight()
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};
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}
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/**
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* Gets the viewport dimensions excluding any scrollbars.
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*/
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getViewportDimensions.withoutScrollbars = function (): ViewportDimensions {
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return {
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width: getViewportWidth(),
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height: getViewportHeight()
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};
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};
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module.exports = getViewportDimensions;
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