ngx-bootstrap-ci
Version:
Native Angular Bootstrap Components
26 lines (25 loc) • 2.6 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
/**
* Finds the first parent of an element that has a transformed property defined
*/
import { getStyleComputedProperty } from './getStyleComputedProperty';
import { isIE } from './isIE';
/**
* @param {?} element
* @return {?}
*/
export function getFixedPositionOffsetParent(element) {
// This check is needed to avoid errors in case one of the elements isn't defined for any reason
if (!element || !element.parentElement || isIE()) {
return document.documentElement;
}
let /** @type {?} */ el = element.parentElement;
while (el && getStyleComputedProperty(el, 'transform') === 'none') {
el = el.parentElement;
}
return el || document.documentElement;
}
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