devextreme
Version: 
HTML5 JavaScript Component Suite for Responsive Web Development
68 lines (67 loc) • 1.93 kB
JavaScript
/**
 * DevExtreme (cjs/ui/gantt/ui.gantt.cache.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/
 */
"use strict";
exports.GanttDataCache = void 0;
var _extend = require("../../core/utils/extend");
class GanttDataCache {
    constructor() {
        this._cache = {};
        this._timers = {}
    }
    saveData(key, data, keyExpireCallback) {
        if (data) {
            this._clearTimer(key);
            const storage = this._getCache(key, true);
            (0, _extend.extendFromObject)(storage, data, true);
            if (keyExpireCallback) {
                this._setExpireTimer(key, keyExpireCallback)
            }
        }
    }
    pullDataFromCache(key, target) {
        const data = this._getCache(key);
        if (data) {
            (0, _extend.extendFromObject)(target, data)
        }
        this._onKeyExpired(key)
    }
    hasData(key) {
        return !!this._cache[key]
    }
    resetCache(key) {
        this._onKeyExpired(key)
    }
    _getCache(key, forceCreate) {
        if (!this._cache[key] && forceCreate) {
            this._cache[key] = {}
        }
        return this._cache[key]
    }
    _setExpireTimer(key, callback) {
        this._timers[key] = setTimeout((() => {
            callback(key, this._getCache(key));
            this._onKeyExpired(key)
        }), 200)
    }
    _onKeyExpired(key) {
        this._clearCache(key);
        this._clearTimer(key)
    }
    _clearCache(key) {
        delete this._cache[key]
    }
    _clearTimer(key) {
        const timers = this._timers;
        if (timers && timers[key]) {
            clearTimeout(timers[key]);
            delete timers[key]
        }
    }
}
exports.GanttDataCache = GanttDataCache;