Current File : /var/www/html/node_modules/@popperjs/core/lib/dom-utils/getViewportRect.js
import getWindow from "./getWindow.js";
import getDocumentElement from "./getDocumentElement.js";
import getWindowScrollBarX from "./getWindowScrollBarX.js";
export default function getViewportRect(element) {
var win = getWindow(element);
var html = getDocumentElement(element);
var visualViewport = win.visualViewport;
var width = html.clientWidth;
var height = html.clientHeight;
var x = 0;
var y = 0; // NB: This isn't supported on iOS <= 12. If the keyboard is open, the popper
// can be obscured underneath it.
// Also, `html.clientHeight` adds the bottom bar height in Safari iOS, even
// if it isn't open, so if this isn't available, the popper will be detected
// to overflow the bottom of the screen too early.
if (visualViewport) {
width = visualViewport.width;
height = visualViewport.height; // Uses Layout Viewport (like Chrome; Safari does not currently)
// In Chrome, it returns a value very close to 0 (+/-) but contains rounding
// errors due to floating point numbers, so we need to check precision.
// Safari returns a number <= 0, usually < -1 when pinch-zoomed
// Feature detection fails in mobile emulation mode in Chrome.
// Math.abs(win.innerWidth / visualViewport.scale - visualViewport.width) <
// 0.001
// Fallback here: "Not Safari" userAgent
if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
x = visualViewport.offsetLeft;
y = visualViewport.offsetTop;
}
}
return {
width: width,
height: height,
x: x + getWindowScrollBarX(element),
y: y
};
}
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