devextreme
Version:
JavaScript/TypeScript Component Suite for Responsive Web Development
39 lines (38 loc) • 1.19 kB
JavaScript
/**
* DevExtreme (esm/__internal/core/utils/m_view_port.js)
* Version: 25.2.7
* Build date: Tue May 05 2026
*
* Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import $ from "../../../core/renderer";
import callbacks from "../../../core/utils/callbacks";
import readyCallbacks from "../../../core/utils/ready_callbacks";
const ready = readyCallbacks.add;
const changeCallback = callbacks();
let $originalViewPort = $();
const value = function() {
let $current;
return function(element) {
if (!arguments.length) {
return $current
}
const $element = $(element);
$originalViewPort = $element;
const isNewViewportFound = !!$element.length;
const prevViewPort = value();
$current = isNewViewportFound ? $element : $("body");
changeCallback.fire(isNewViewportFound ? value() : $(), prevViewPort)
}
}();
ready(function() {
value(".dx-viewport")
});
export {
changeCallback,
value
};
export function originalViewPort() {
return $originalViewPort
}