ngx-bootstrap-ci
Version:
Native Angular Bootstrap Components
61 lines (60 loc) • 7.91 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { getStyleComputedProperty } from './getStyleComputedProperty';
import { getBordersSize } from './getBordersSize';
import { getWindowSizes } from './getWindowSizes';
import { getScroll } from './getScroll';
import { getClientRect } from './getClientRect';
import { isIE } from './isIE';
/**
* @param {?} element
* @return {?}
*/
export function getBoundingClientRect(element) {
let /** @type {?} */ rect = {};
// IE10 10 FIX: Please, don't ask, the element isn't
// considered in DOM in some circumstances...
// This isn't reproducible in IE10 compatibility mode of IE11
try {
if (isIE(10)) {
rect = element.getBoundingClientRect();
const /** @type {?} */ scrollTop = getScroll(element, 'top');
const /** @type {?} */ scrollLeft = getScroll(element, 'left');
rect.top += scrollTop;
rect.left += scrollLeft;
rect.bottom += scrollTop;
rect.right += scrollLeft;
}
else {
rect = element.getBoundingClientRect();
}
}
catch (/** @type {?} */ e) {
return undefined;
}
const /** @type {?} */ result = {
left: rect.left,
top: rect.top,
width: rect.right - rect.left,
height: rect.bottom - rect.top
};
// subtract scrollbar size from sizes
const /** @type {?} */ sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
const /** @type {?} */ width = sizes.width || element.clientWidth || result.right - result.left;
const /** @type {?} */ height = sizes.height || element.clientHeight || result.bottom - result.top;
let /** @type {?} */ horizScrollbar = element.offsetWidth - width;
let /** @type {?} */ vertScrollbar = element.offsetHeight - height;
// if an hypothetical scrollbar is detected, we must be sure it's not a `border`
// we make this check conditional for performance reasons
if (horizScrollbar || vertScrollbar) {
const /** @type {?} */ styles = getStyleComputedProperty(element);
horizScrollbar -= getBordersSize(styles, 'x');
vertScrollbar -= getBordersSize(styles, 'y');
result.width -= horizScrollbar;
result.height -= vertScrollbar;
}
return getClientRect(result);
}
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