devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
59 lines (58 loc) • 1.92 kB
JavaScript
/**
* DevExtreme (esm/__internal/integration/knockout/clean_node.js)
* Version: 25.2.3
* Build date: Fri Dec 12 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
afterCleanData,
cleanData,
strategyChanging
} from "../../core/m_element_data";
import {
compare as compareVersion
} from "../../core/utils/m_version";
import ko from "knockout";
import {
getClosestNodeWithKoCreation
} from "./utils";
if (ko) {
const originalKOCleanExternalData = ko.utils.domNodeDisposal.cleanExternalData;
const patchCleanData = () => {
afterCleanData((nodes => {
for (let i = 0; i < nodes.length; i += 1) {
nodes[i].cleanedByJquery = true
}
for (let i = 0; i < nodes.length; i += 1) {
if (!nodes[i].cleanedByKo) {
ko.cleanNode(nodes[i])
}
delete nodes[i].cleanedByKo
}
for (let i = 0; i < nodes.length; i += 1) {
delete nodes[i].cleanedByJquery
}
}));
ko.utils.domNodeDisposal.cleanExternalData = node => {
node.cleanedByKo = true;
if (getClosestNodeWithKoCreation(node)) {
if (!node.cleanedByJquery) {
cleanData([node])
}
}
}
};
const restoreOriginCleanData = () => {
afterCleanData((() => {}));
ko.utils.domNodeDisposal.cleanExternalData = originalKOCleanExternalData
};
patchCleanData();
strategyChanging.add((strategy => {
const isJQuery = !!strategy.fn;
if (isJQuery && compareVersion(strategy.fn.jquery, [2, 0]) < 0) {
restoreOriginCleanData()
}
}))
}