https://www.trikralovasbirka.cz/res/js/vendor/bootstrap/dom/data.js?version=20260926

1/*!
2  * Bootstrap data.js v5.3.8 (https://getbootstrap.com/)
3  * Copyright 2011-2025 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
4  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
5  */
6(function (global, factory) {
7  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
8  typeof define === 'function' && define.amd ? define(factory) :
9  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Data = factory());
10})(this, (function () { 'use strict';
11
12  /**
13   * --------------------------------------------------------------------------
14   * Bootstrap dom/data.js
15   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
16   * --------------------------------------------------------------------------
17   */
18
19  /**
20   * Constants
21   */
22
23  const elementMap = new Map();
24  const data = {
25    set(element, key, instance) {
26      if (!elementMap.has(element)) {
27        elementMap.set(element, new Map());
28      }
29      const instanceMap = elementMap.get(element);
30
31      // make it clear we only want one instance per element
32      // can be removed later when multiple key/instances are fine to be used
33      if (!instanceMap.has(key) && instanceMap.size !== 0) {
34        // eslint-disable-next-line no-console
35        console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`);
36        return;
37      }
38      instanceMap.set(key, instance);
39    },
40    get(element, key) {
41      if (elementMap.has(element)) {
42        return elementMap.get(element).get(key) || null;
43      }
44      return null;
45    },
46    remove(element, key) {
47      if (!elementMap.has(element)) {
48        return;
49      }
50      const instanceMap = elementMap.get(element);
51      instanceMap.delete(key);
52
53      // free up element references if there are no instances left for an element
54      if (instanceMap.size === 0) {
55        elementMap.delete(element);
56      }
57    }
58  };
59
60  return data;
61
62}));
63//# sourceMappingURL=data.js.map