mirror of
https://github.com/twbs/bootstrap.git
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70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
/*!
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* Bootstrap data.js v5.0.1 (https://getbootstrap.com/)
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* Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Data = factory());
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}(this, (function () { 'use strict';
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v5.0.1): dom/data.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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const elementMap = new Map();
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var data = {
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set(element, key, instance) {
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if (!elementMap.has(element)) {
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elementMap.set(element, new Map());
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}
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const instanceMap = elementMap.get(element); // make it clear we only want one instance per element
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// can be removed later when multiple key/instances are fine to be used
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if (!instanceMap.has(key) && instanceMap.size !== 0) {
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// eslint-disable-next-line no-console
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console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`);
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return;
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}
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instanceMap.set(key, instance);
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},
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get(element, key) {
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if (elementMap.has(element)) {
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return elementMap.get(element).get(key) || null;
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}
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return null;
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},
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remove(element, key) {
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if (!elementMap.has(element)) {
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return;
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}
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const instanceMap = elementMap.get(element);
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instanceMap.delete(key); // free up element references if there are no instances left for an element
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if (instanceMap.size === 0) {
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elementMap.delete(element);
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}
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}
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};
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return data;
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})));
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//# sourceMappingURL=data.js.map
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