66 lines
1.3 KiB
Plaintext
66 lines
1.3 KiB
Plaintext
/**
|
|
* 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 getViewportDimensions
|
|
* @flow
|
|
* @typechecks
|
|
*/
|
|
type ViewportDimensions = {
|
|
width: number,
|
|
height: number,
|
|
};
|
|
|
|
function getViewportWidth(): number {
|
|
let width;
|
|
|
|
if (document.documentElement) {
|
|
width = document.documentElement.clientWidth;
|
|
}
|
|
|
|
if (!width && document.body) {
|
|
width = document.body.clientWidth;
|
|
}
|
|
|
|
return width || 0;
|
|
}
|
|
|
|
function getViewportHeight(): number {
|
|
let height;
|
|
|
|
if (document.documentElement) {
|
|
height = document.documentElement.clientHeight;
|
|
}
|
|
|
|
if (!height && document.body) {
|
|
height = document.body.clientHeight;
|
|
}
|
|
|
|
return height || 0;
|
|
}
|
|
/**
|
|
* Gets the viewport dimensions including any scrollbars.
|
|
*/
|
|
|
|
|
|
function getViewportDimensions(): ViewportDimensions {
|
|
return {
|
|
width: window.innerWidth || getViewportWidth(),
|
|
height: window.innerHeight || getViewportHeight()
|
|
};
|
|
}
|
|
/**
|
|
* Gets the viewport dimensions excluding any scrollbars.
|
|
*/
|
|
|
|
|
|
getViewportDimensions.withoutScrollbars = function (): ViewportDimensions {
|
|
return {
|
|
width: getViewportWidth(),
|
|
height: getViewportHeight()
|
|
};
|
|
};
|
|
|
|
module.exports = getViewportDimensions; |