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