devextreme/esm/__internal/core/utils/m_locker.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/core/utils/m_locker.js)
 * Version: 24.2.6
 * Build date: Mon Mar 17 2025
 *
 * Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import errors from "../../../core/errors";
const Locker = function() {
    const info = {};
    const currentCount = function(lockName) {
        return info[lockName] || 0
    };
    return {
        obtain(lockName) {
            info[lockName] = currentCount(lockName) + 1
        },
        release(lockName) {
            const count = currentCount(lockName);
            if (count < 1) {
                throw errors.Error("E0014")
            }
            if (1 === count) {
                delete info[lockName]
            } else {
                info[lockName] = count - 1
            }
        },
        locked: lockName => currentCount(lockName) > 0
    }
};
export {
    Locker
};