twister-react/node_modules/react-router/lib/getWindowScrollPosition.js
2015-05-17 19:08:10 +02:00

18 lines
511 B
JavaScript
Executable File

'use strict';
var invariant = require('react/lib/invariant');
var canUseDOM = require('react/lib/ExecutionEnvironment').canUseDOM;
/**
* Returns the current scroll position of the window as { x, y }.
*/
function getWindowScrollPosition() {
invariant(canUseDOM, 'Cannot get current scroll position without a DOM');
return {
x: window.pageXOffset || document.documentElement.scrollLeft,
y: window.pageYOffset || document.documentElement.scrollTop
};
}
module.exports = getWindowScrollPosition;