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module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (global.WebShareWrapper = factory());\n}(this, (function () { 'use strict';\n\n  var classCallCheck = function (instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var inherits = function (subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn = function (self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n\n  function _CustomElement() {\n    return Reflect.construct(HTMLElement, [], this.__proto__.constructor);\n  }\n  Object.setPrototypeOf(_CustomElement.prototype, HTMLElement.prototype);\n  Object.setPrototypeOf(_CustomElement, HTMLElement);\n\n  var WebShareWrapper = function (_CustomElement2) {\n    inherits(WebShareWrapper, _CustomElement2);\n\n    function WebShareWrapper() {\n      classCallCheck(this, WebShareWrapper);\n\n      var _this = possibleConstructorReturn(this, (WebShareWrapper.__proto__ || Object.getPrototypeOf(WebShareWrapper)).call(this));\n\n      _this.webShare = 'share' in navigator;\n      if (_this.webShare) {\n        var templateId = _this.getTemplateId();\n        if (templateId !== null) {\n          var template = document.getElementById(templateId);\n          if (!template) {\n            return possibleConstructorReturn(_this);\n          }\n          _this.removeChildren();\n          var clone = document.importNode(template.content, true);\n          _this.appendChild(clone);\n        } else {\n          _this.text = document.createTextNode(_this.getAttribute('text') || 'Share');\n          _this.button = document.createElement('button');\n          _this.button.appendChild(_this.text);\n          _this.removeChildren();\n          _this.appendChild(_this.button);\n        }\n        _this.share = _this.share.bind(_this);\n      }\n      return _this;\n    }\n\n    createClass(WebShareWrapper, [{\n      key: 'share',\n      value: function share(event) {\n        var _this2 = this;\n\n        event.preventDefault();\n        var shareOptions = {\n          title: this.getTitle(),\n          text: this.getText(),\n          url: this.getUrl()\n        };\n        navigator.share(shareOptions).then(function () {\n          return _this2.successfulShare(shareOptions);\n        }).catch(function (error) {\n          return _this2.abortedShare(error, shareOptions);\n        });\n      }\n    }, {\n      key: 'connectedCallback',\n      value: function connectedCallback() {\n        if (this.webShare) {\n          this.addEventListener('click', this.share);\n        }\n      }\n    }, {\n      key: 'disconnectedCallback',\n      value: function disconnectedCallback() {\n        if (this.webShare) {\n          this.removeEventListener('click', this.share);\n        }\n      }\n    }, {\n      key: 'successfulShare',\n      value: function successfulShare(options) {\n        var event = new CustomEvent('share-success', options);\n        this.dispatchEvent(event, {\n          detail: options\n        });\n      }\n    }, {\n      key: 'abortedShare',\n      value: function abortedShare(error, options) {\n        options['error'] = error;\n        var event = new CustomEvent('share-failure', {\n          detail: options\n        });\n        this.dispatchEvent(event);\n      }\n    }, {\n      key: 'getTitle',\n      value: function getTitle() {\n        return this.getAttribute('sharetitle');\n      }\n    }, {\n      key: 'getText',\n      value: function getText() {\n        return this.getAttribute('sharetext') || document.querySelector('title').textContent;\n      }\n    }, {\n      key: 'getUrl',\n      value: function getUrl() {\n        if (this.getAttribute('shareurl')) {\n          return this.getAttribute('shareurl');\n        }\n        var canonicalElement = document.querySelector('link[rel=canonical]');\n        if (canonicalElement !== null) {\n          return canonicalElement.getAttribute('href');\n        }\n        return window.location.href;\n      }\n    }, {\n      key: 'getTemplateId',\n      value: function getTemplateId() {\n        return this.getAttribute('template');\n      }\n    }, {\n      key: 'removeChildren',\n      value: function removeChildren() {\n        while (this.firstChild) {\n          this.removeChild(this.firstChild);\n        }\n      }\n    }]);\n    return WebShareWrapper;\n  }(_CustomElement);\n\n  if ('customElements' in window && !customElements.get('web-share-wrapper')) {\n    customElements.define('web-share-wrapper', WebShareWrapper);\n  }\n\n  return WebShareWrapper;\n\n})));\n"],"sourceRoot":""}