devextreme/esm/ui/scheduler/instanceFactory.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/ui/scheduler/instanceFactory.js)
 * Version: 21.2.4
 * Build date: Mon Dec 06 2021
 *
 * Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    isDefined
} from "../../core/utils/type";
import {
    ModelProvider
} from "./modelProvider";
import {
    TimeZoneCalculator
} from "../../renovation/ui/scheduler/timeZoneCalculator/utils";
import timeZoneUtils from "./utils.timeZone";
var Names = {
    timeZoneCalculator: "timeZoneCalculator",
    appointmentDataProvider: "appointmentDataProvider",
    model: "model",
    modelProvider: "modelProvider"
};
var factoryInstances = {};
var tailIndex = -1;
export var generateKey = key => isDefined(key) ? key : ++tailIndex;
export var createFactoryInstances = options => {
    var key = generateKey(options.key);
    createModelProvider(key, options.model);
    createTimeZoneCalculator(key, options.timeZone);
    return key
};
export var createInstance = (name, key, callback) => {
    if (!isDefined(factoryInstances[name])) {
        factoryInstances[name] = {}
    }
    var result = callback();
    factoryInstances[name][key] = result;
    return result
};
var getInstance = (name, key) => factoryInstances[name] ? factoryInstances[name][key] : void 0;
var removeInstance = (name, key) => {
    if (getInstance(name, key)) {
        factoryInstances[name] = null
    }
};
var createTimeZoneCalculator = (key, currentTimeZone) => createInstance(Names.timeZoneCalculator, key, () => new TimeZoneCalculator({
    getClientOffset: date => timeZoneUtils.getClientTimezoneOffset(date),
    getCommonOffset: (date, timeZone) => timeZoneUtils.calculateTimezoneByValue(timeZone || currentTimeZone, date),
    getAppointmentOffset: (date, appointmentTimezone) => timeZoneUtils.calculateTimezoneByValue(appointmentTimezone, date)
}));
export var createModelProvider = (key, model) => createInstance(Names.modelProvider, key, () => {
    var modelProvider = getInstance(Names.modelProvider, key);
    return isDefined(modelProvider) ? modelProvider : new ModelProvider(model)
});
export var disposeFactoryInstances = key => {
    Object.getOwnPropertyNames(Names).forEach(name => {
        removeInstance(name, key)
    })
};
export var getTimeZoneCalculator = key => getInstance(Names.timeZoneCalculator, key);
export var getModelProvider = key => getInstance(Names.modelProvider, key);