githubmirror/bootstrap

js/dist/base-component.js
169 строк5 KB
XhmikosR
Release v5.0.1 (#33972)
13 май 2021, 19:22
13 май 2021, 19:2258b1be9
/*!
  * Bootstrap base-component.js v5.0.1 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/data.js'), require('./dom/selector-engine.js'), require('./dom/event-handler.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data', './dom/selector-engine', './dom/event-handler'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Base = factory(global.Data, global.SelectorEngine, global.EventHandler));
}(this, (function (Data, SelectorEngine, EventHandler) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
  var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
  var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);

  const MILLISECONDS_MULTIPLIER = 1000;
  const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  const getTransitionDurationFromElement = element => {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    let {
      transitionDuration,
      transitionDelay
    } = window.getComputedStyle(element);
    const floatTransitionDuration = Number.parseFloat(transitionDuration);
    const floatTransitionDelay = Number.parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  const triggerTransitionEnd = element => {
    element.dispatchEvent(new Event(TRANSITION_END));
  };

  const isElement = obj => {
    if (!obj || typeof obj !== 'object') {
      return false;
    }

    if (typeof obj.jquery !== 'undefined') {
      obj = obj[0];
    }

    return typeof obj.nodeType !== 'undefined';
  };

  const getElement = obj => {
    if (isElement(obj)) {
      // it's a jQuery object or a node element
      return obj.jquery ? obj[0] : obj;
    }

    if (typeof obj === 'string' && obj.length > 0) {
      return SelectorEngine__default['default'].findOne(obj);
    }

    return null;
  };

  const emulateTransitionEnd = (element, duration) => {
    let called = false;
    const durationPadding = 5;
    const emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

    element.addEventListener(TRANSITION_END, listener);
    setTimeout(() => {
      if (!called) {
        triggerTransitionEnd(element);
      }
    }, emulatedDuration);
  };

  const execute = callback => {
    if (typeof callback === 'function') {
      callback();
    }
  };

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.1): base-component.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const VERSION = '5.0.1';

  class BaseComponent {
    constructor(element) {
      element = getElement(element);

      if (!element) {
        return;
      }

      this._element = element;
      Data__default['default'].set(this._element, this.constructor.DATA_KEY, this);
    }

    dispose() {
      Data__default['default'].remove(this._element, this.constructor.DATA_KEY);
      EventHandler__default['default'].off(this._element, this.constructor.EVENT_KEY);
      Object.getOwnPropertyNames(this).forEach(propertyName => {
        this[propertyName] = null;
      });
    }

    _queueCallback(callback, element, isAnimated = true) {
      if (!isAnimated) {
        execute(callback);
        return;
      }

      const transitionDuration = getTransitionDurationFromElement(element);
      EventHandler__default['default'].one(element, 'transitionend', () => execute(callback));
      emulateTransitionEnd(element, transitionDuration);
    }
    /** Static */


    static getInstance(element) {
      return Data__default['default'].get(element, this.DATA_KEY);
    }

    static get VERSION() {
      return VERSION;
    }

    static get NAME() {
      throw new Error('You have to implement the static method "NAME", for each component!');
    }

    static get DATA_KEY() {
      return `bs.${this.NAME}`;
    }

    static get EVENT_KEY() {
      return `.${this.DATA_KEY}`;
    }

  }

  return BaseComponent;

})));
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