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button.js 5.53 KiB
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/*!
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  * Bootstrap button.js v4.2.1 (https://getbootstrap.com/)
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  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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(require('jquery')) :
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  typeof define === 'function' && define.amd ? define(['jquery'], factory) :
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  (global = global || self, global.Button = factory(global.jQuery));
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}(this, function ($) { 'use strict';
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  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
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  function _defineProperties(target, props) {
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    for (var i = 0; i < props.length; i++) {
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      var descriptor = props[i];
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      descriptor.enumerable = descriptor.enumerable || false;
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      descriptor.configurable = true;
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      if ("value" in descriptor) descriptor.writable = true;
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      Object.defineProperty(target, descriptor.key, descriptor);
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    }
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  }
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  function _createClass(Constructor, protoProps, staticProps) {
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    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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    if (staticProps) _defineProperties(Constructor, staticProps);
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    return Constructor;
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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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  var NAME = 'button';
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  var VERSION = '4.2.1';
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  var DATA_KEY = 'bs.button';
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  var EVENT_KEY = "." + DATA_KEY;
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  var DATA_API_KEY = '.data-api';
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  var JQUERY_NO_CONFLICT = $.fn[NAME];
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  var ClassName = {
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    ACTIVE: 'active',
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    BUTTON: 'btn',
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    FOCUS: 'focus'
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  };
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  var Selector = {
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    DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
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    DATA_TOGGLE: '[data-toggle="buttons"]',
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    INPUT: 'input:not([type="hidden"])',
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    ACTIVE: '.active',
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    BUTTON: '.btn'
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  };
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  var Event = {
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    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
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    FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY)
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    /**
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     * ------------------------------------------------------------------------
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     * Class Definition
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     * ------------------------------------------------------------------------
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     */
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  };
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  var Button =
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  /*#__PURE__*/
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  function () {
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    function Button(element) {
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      this._element = element;
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    } // Getters
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var _proto = Button.prototype; // Public _proto.toggle = function toggle() { var triggerChangeEvent = true; var addAriaPressed = true; var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0]; if (rootElement) { var input = this._element.querySelector(Selector.INPUT); if (input) { if (input.type === 'radio') { if (input.checked && this._element.classList.contains(ClassName.ACTIVE)) { triggerChangeEvent = false; } else { var activeElement = rootElement.querySelector(Selector.ACTIVE); if (activeElement) { $(activeElement).removeClass(ClassName.ACTIVE); } } } if (triggerChangeEvent) { if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) { return; } input.checked = !this._element.classList.contains(ClassName.ACTIVE); $(input).trigger('change'); } input.focus(); addAriaPressed = false; } } if (addAriaPressed) { this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName.ACTIVE)); } if (triggerChangeEvent) { $(this._element).toggleClass(ClassName.ACTIVE); } }; _proto.dispose = function dispose() { $.removeData(this._element, DATA_KEY); this._element = null; } // Static ; Button._jQueryInterface = function _jQueryInterface(config) { return this.each(function () { var data = $(this).data(DATA_KEY); if (!data) { data = new Button(this); $(this).data(DATA_KEY, data); } if (config === 'toggle') { data[config](); } }); };
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_createClass(Button, null, [{ key: "VERSION", get: function get() { return VERSION; } }]); return Button; }(); /** * ------------------------------------------------------------------------ * Data Api implementation * ------------------------------------------------------------------------ */ $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { event.preventDefault(); var button = event.target; if (!$(button).hasClass(ClassName.BUTTON)) { button = $(button).closest(Selector.BUTTON); } Button._jQueryInterface.call($(button), 'toggle'); }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { var button = $(event.target).closest(Selector.BUTTON)[0]; $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type)); }); /** * ------------------------------------------------------------------------ * jQuery * ------------------------------------------------------------------------ */ $.fn[NAME] = Button._jQueryInterface; $.fn[NAME].Constructor = Button; $.fn[NAME].noConflict = function () { $.fn[NAME] = JQUERY_NO_CONFLICT; return Button._jQueryInterface; }; return Button; })); //# sourceMappingURL=button.js.map