devextreme/cjs/__internal/events/utils/m_event_nodes_disposing.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/events/utils/m_event_nodes_disposing.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/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.unsubscribeNodesDisposing = exports.subscribeNodesDisposing = void 0;
var _events_engine = _interopRequireDefault(require("../../../common/core/events/core/events_engine"));
var _remove = require("../../../common/core/events/remove");

function _interopRequireDefault(e) {
    return e && e.__esModule ? e : {
        default: e
    }
}

function nodesByEvent(event) {
    return event && [event.target, event.delegateTarget, event.relatedTarget, event.currentTarget].reduce((res, node) => {
        if (!!node && !res.includes(node)) {
            res.push(node)
        }
        return res
    }, [])
}
const subscribeNodesDisposing = (event, callback) => {
    const nodes = nodesByEvent(event);
    const onceCallback = function() {
        _events_engine.default.off(nodes, _remove.removeEvent, onceCallback);
        return callback(...arguments)
    };
    _events_engine.default.on(nodes, _remove.removeEvent, onceCallback);
    return {
        onceCallback: onceCallback,
        nodes: nodes
    }
};
exports.subscribeNodesDisposing = subscribeNodesDisposing;
const unsubscribeNodesDisposing = (event, callback, nodes) => {
    _events_engine.default.off(nodes || nodesByEvent(event), _remove.removeEvent, callback)
};
exports.unsubscribeNodesDisposing = unsubscribeNodesDisposing;