Bootstrap/js/dist/util.js.map

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$ from 'jquery'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.1.1): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (($) => {\n  /**\n   * ------------------------------------------------------------------------\n   * Private TransitionEnd Helpers\n   * ------------------------------------------------------------------------\n   */\n\n  const TRANSITION_END = 'transitionend'\n  const MAX_UID = 1000000\n  const MILLISECONDS_MULTIPLIER = 1000\n\n  // Shoutout AngusCroll (https://goo.gl/pxwQGp)\n  function toType(obj) {\n    return {}.toString.call(obj).match(/\\s([a-z]+)/i)[1].toLowerCase()\n  }\n\n  function getSpecialTransitionEndEvent() {\n    return {\n      bindType: TRANSITION_END,\n      delegateType: TRANSITION_END,\n      handle(event) {\n        if ($(event.target).is(this)) {\n          return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n        }\n        return undefined // eslint-disable-line no-undefined\n      }\n    }\n  }\n\n  function transitionEndEmulator(duration) {\n    let called = false\n\n    $(this).one(Util.TRANSITION_END, () => {\n      called = true\n    })\n\n    setTimeout(() => {\n      if (!called) {\n        Util.triggerTransitionEnd(this)\n      }\n    }, duration)\n\n    return this\n  }\n\n  function setTransitionEndSupport() {\n    $.fn.emulateTransitionEnd = transitionEndEmulator\n    $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n  }\n\n  /**\n   * --------------------------------------------------------------------------\n   * Public Util Api\n   * --------------------------------------------------------------------------\n   */\n\n  const Util = {\n\n    TRANSITION_END: 'bsTransitionEnd',\n\n    getUID(prefix) {\n      do {\n        // eslint-disable-next-line no-bitwise\n        prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n      } while (document.getElementById(prefix))\n      return prefix\n    },\n\n    getSelectorFromElement(element) {\n      let selector = element.getAttribute('data-target')\n      if (!selector || selector === '#') {\n        selector = element.getAttribute('href') || ''\n      }\n\n      try {\n        return document.querySelector(selector) ? selector : null\n      } catch (err) {\n        return null\n      }\n    },\n\n    getTransitionDurationFromElement(element) {\n      if (!element) {\n        return 0\n      }\n\n      // Get transition-duration of the element\n      let transitionDuration = $(element).css('transition-duration')\n      const floatTransitionDuration = parseFloat(transitionDuration)\n\n      // Return 0 if element or transition duration is not found\n      if (!floatTransitionDuration) {\n        return 0\n      }\n\n      // If multiple durations are defined, take the first\n      transitionDuration = transitionDuration.split(',')[0]\n\n      return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER\n    },\n\n    reflow(element) {\n      return element.offsetHeight\n    },\n\n    triggerTransitionEnd(element) {\n      $(element).trigger(TRANSITION_END)\n    },\n\n    // TODO: Remove in v5\n    supportsTransitionEnd() {\n      return Boolean(TRANSITION_END)\n    },\n\n    isElement(obj) {\n      return (obj[0] || obj).nodeType\n    },\n\n    typeCheckConfig(componentName, config, configTypes) {\n      for (const property in configTypes) {\n        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {\n          const expectedTypes = configTypes[property]\n          const value         = config[property]\n          const valueType     = value && Util.isElement(value)\n            ? 'element' : toType(value)\n\n          if (!new RegExp(expectedTypes).test(valueType)) {\n            throw new Error(\n              `${componentName.toUpperCase()}: ` +\n              `Option \"${property}\" provided type \"${valueType}\" ` +\n              `but expected type \"${expectedTypes}\".`)\n          }\n        }\n      }\n    }\n  }\n\n  setTransitionEndSupport()\n\n  return Util\n})($)\n\nexport default Util\n"],"file":"util.js"}