devextreme/cjs/__internal/scheduler/m_loading.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/scheduler/m_loading.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";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.hide = hide;
exports.show = show;
var _renderer = _interopRequireDefault(require("../../core/renderer"));
var _deferred = require("../../core/utils/deferred");
var _view_port = require("../../core/utils/view_port");
var _load_panel = _interopRequireDefault(require("../../ui/load_panel"));

function _interopRequireDefault(e) {
    return e && e.__esModule ? e : {
        default: e
    }
}
let loading = null;
const createLoadPanel = function(options) {
    return new _load_panel.default((0, _renderer.default)("<div>").appendTo(options && options.container || (0, _view_port.value)()), options)
};
const removeLoadPanel = function() {
    if (!loading) {
        return
    }
    loading.$element().remove();
    loading = null
};

function show(options) {
    removeLoadPanel();
    loading = createLoadPanel(options);
    return loading.show()
}

function hide() {
    if (!loading) {
        return (new _deferred.Deferred).resolve()
    }
    return loading.hide().done(removeLoadPanel).promise()
}