static/sharing.js - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2021, Compiler Explorer Authors
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 'use strict';
 var $ = require('jquery');
 var _ = require('underscore');
 var options = require('./options');
 var url = require('./url');
 var ga = require('./analytics');
 var Sentry = require('@sentry/browser');
 var cloneDeep = require('lodash.clonedeep');


 var shareServices = {
     twitter: {
         embedValid: false,
         logoClass: 'fab fa-twitter',
         cssClass: 'share-twitter',
         getLink: function (title, url) {
             return 'https://twitter.com/intent/tweet?text=' +
                 encodeURIComponent(title) + '&url=' + encodeURIComponent(url) + '&via=CompileExplore';
         },
         text: 'Tweet',
     },
     reddit: {
         embedValid: false,
         logoClass: 'fab fa-reddit',
         cssClass: 'share-reddit',
         getLink: function (title, url) {
             return 'http://www.reddit.com/submit?url=' +
                 encodeURIComponent(url) + '&title=' + encodeURIComponent(title);
         },
         text: 'Share on Reddit',
     },
 };

 function filterComponentState(config, keysToRemove) {
     function filterComponentStateImpl(component) {
         if (component.content) {
             for (var i = 0; i < component.content.length; i++) {
                 filterComponentStateImpl(component.content[i], keysToRemove);
             }
         }

         if (component.componentState) {
             Object.keys(component.componentState)
                 .filter(function (key) {
                     return keysToRemove.includes(key);
                 })
                 .forEach(function (key) {
                     delete component.componentState[key];
                 });
         }
     }

     config = cloneDeep(config);
     filterComponentStateImpl(config);
     return config;
 }

 function updateShares(container, url) {
     var baseTemplate = $('#share-item');
     _.each(shareServices, function (service, serviceName) {
         var newElement = baseTemplate.children('a.share-item').clone();
         if (service.logoClass) {
             newElement.prepend($('<span>')
                 .addClass('dropdown-icon')
                 .addClass(service.logoClass)
                 .prop('title', serviceName)
             );
         }
         if (service.text) {
             newElement.children('span.share-item-text')
                 .text(service.text);
         }
         newElement
             .prop('href', service.getLink('Compiler Explorer', url))
             .addClass(service.cssClass)
             .toggleClass('share-no-embeddable', !service.embedValid)
             .appendTo(container);
     });
 }

 function getEmbeddedUrl(config, root, readOnly, extraOptions) {
     var location = window.location.origin + root;
     var path = '';
     var parameters = '';

     _.forEach(extraOptions, function (value, key) {
         if (parameters === '') {
             parameters = '?';
         } else {
             parameters += '&';
         }

         parameters += key + '=' + value;
     });

     if (readOnly) {
         path = 'embed-ro' + parameters + '#';
     } else {
         path = 'e' + parameters + '#';
     }

     return location + path + url.serialiseState(config);
 }

 function getEmbeddedHtml(config, root, isReadOnly, extraOptions) {
     return '<iframe width="800px" height="200px" src="' +
         getEmbeddedUrl(config, root, isReadOnly, extraOptions) + '"></iframe>';
 }

 function getShortLink(config, root, done) {
     var useExternalShortener = options.urlShortenService !== 'default';
     var data = JSON.stringify({
         config: useExternalShortener ? url.serialiseState(config) : config,
     });
     $.ajax({
         type: 'POST',
         url: window.location.origin + root + 'api/shortener',
         dataType: 'json',  // Expected
         contentType: 'application/json',  // Sent
         data: data,
         success: _.bind(function (result) {
             var pushState = useExternalShortener ? null : result.url;
             done(null, result.url, pushState, true);
         }, this),
         error: _.bind(function (err) {
             // Notify the user that we ran into trouble?
             done(err.statusText, null, false);
         }, this),
         cache: true,
     });
 }

 function getLinks(config, currentBind, done) {
     var root = window.httpRoot;
     ga.proxy('send', {
         hitType: 'event',
         eventCategory: 'CreateShareLink',
         eventAction: 'Sharing',
     });
     switch (currentBind) {
         case 'Short':
             getShortLink(config, root, done);
             return;
         case 'Full':
             done(null, window.location.origin + root + '#' + url.serialiseState(config), false);
             return;
         default:
             if (currentBind.substr(0, 5) === 'Embed') {
                 var options = {};
                 $('#sharelinkdialog input:checked').each(function () {
                     options[$(this).prop('class')] = true;
                 });
                 done(null, getEmbeddedHtml(config, root, false, options), false);
                 return;
             }
             // Hmmm
             done('Unknown link type', null);
     }
 }

 function Sharing(layout) {
     this.layout = layout;
     this.lastState = null;

     this.share = $('#share');
     this.shareShort = $('#shareShort');
     this.shareFull = $('#shareFull');
     this.shareEmbed = $('#shareEmbed');

     this.initButtons();
     this.initCallbacks();
 }

 Sharing.prototype.initButtons = function () {
     this.shareShortCopyToClipBtn = this.shareShort.find('.clip-icon');
     this.shareFullCopyToClipBtn = this.shareFull.find('.clip-icon');
     this.shareEmbedCopyToClipBtn = this.shareEmbed.find('.clip-icon');

     if (this.areClipboardOperationSupported()) {
         var onClipButtonPressed = _.bind(function (e, type) {
             // Dont let the modal show up.
             // We need this because the button is a child of the dropdown-item with a data-toggle=modal
             e.stopPropagation();
             this.copyLinkTypeToClipboard(type);
             // As we prevented bubbling, the dropdown won't close by itself. We need to trigger it manually
             this.share.dropdown('hide');
         }, this);

         this.shareShortCopyToClipBtn.on('click', _.bind(function (e) {
             onClipButtonPressed(e, 'Short');
         }, this));
         this.shareFullCopyToClipBtn.on('click', _.bind(function (e) {
             onClipButtonPressed(e, 'Full');
         }, this));
         this.shareEmbedCopyToClipBtn.on('click', _.bind(function (e) {
             onClipButtonPressed(e, 'Embed');
         }, this));
     } else {
         this.shareShortCopyToClipBtn.hide();
         this.shareFullCopyToClipBtn.hide();
         this.shareEmbedCopyToClipBtn.hide();
     }
 };

 Sharing.prototype.onOpenModalPane = function (event) {
     var button = $(event.relatedTarget);
     var currentBind = button.data('bind');
     var modal = $(event.currentTarget);
     var socialSharingElements = modal.find('.socialsharing');
     var permalink = modal.find('.permalink');
     var embedsettings = modal.find('#embedsettings');

     function updatePermaLink() {
         socialSharingElements.empty();
         var config = this.layout.toConfig();
         getLinks(config, currentBind, _.bind(function (error, newUrl, extra, updateState) {
             if (error || !newUrl) {
                 permalink.prop('disabled', true);
                 permalink.val(error || 'Error providing URL');
                 Sentry.captureException(error);
             } else {
                 if (updateState) {
                     this.storeCurrentConfig(config, extra);
                 }
                 permalink.val(newUrl);
                 if (options.sharingEnabled) {
                     updateShares(socialSharingElements, newUrl);
                     // Disable the links for every share item which does not support embed html as links
                     if (currentBind === 'Embed') {
                         socialSharingElements.children('.share-no-embeddable')
                             .addClass('share-disabled')
                             .prop('title', 'Embed links are not supported in this service')
                             .on('click', false);
                     }
                 }
             }
         }, this));
     }

     if (currentBind === 'Embed') {
         embedsettings.show();
         embedsettings.find('input')
             // Off any prev click handlers to avoid multiple events triggering after opening the modal more than once
             .off('click')
             .on('click', _.bind(function () {
                 updatePermaLink.apply(this);
             }, this));
     } else {
         embedsettings.hide();
     }

     updatePermaLink.apply(this);

     ga.proxy('send', {
         hitType: 'event',
         eventCategory: 'OpenModalPane',
         eventAction: 'Sharing',
     });
 };

 Sharing.prototype.onStateChanged = function () {
     var layoutConfig = this.layout.toConfig();
     var config = filterComponentState(layoutConfig, ['selection']);
     this.ensureUrlIsNotOutdated(config);
     if (options.embedded) {
         var strippedToLast = window.location.pathname;
         strippedToLast = strippedToLast.substr(0, strippedToLast.lastIndexOf('/') + 1);
         $('a.link').attr('href', strippedToLast + '#' + url.serialiseState(config));
     }
 };

 // This keeps the URL from displaying a short link of an outdated page state
 Sharing.prototype.ensureUrlIsNotOutdated = function (config) {
     var stringifiedConfig = JSON.stringify(config);
     if (stringifiedConfig !== this.lastState) {
         if (this.lastState != null && window.location.pathname !== window.httpRoot) {
             window.history.replaceState(null, null, window.httpRoot);
         }
         this.lastState = stringifiedConfig;
     }
 };

 Sharing.prototype.initCallbacks = function () {
     this.layout.eventHub.on('displaySharingPopover', _.bind(function () {
         this.shareShort.trigger('click');
     }, this));
     this.layout.on('stateChanged', _.bind(this.onStateChanged, this));

     $('#sharelinkdialog').on('show.bs.modal', _.bind(this.onOpenModalPane, this));
 };

 Sharing.prototype.displayTooltip = function (message) {
     this.share.tooltip('dispose');
     this.share.tooltip({
         placement: 'bottom',
         trigger: 'manual',
         title: message,
     });
     this.share.tooltip('show');
     // Manual triggering of tooltips does not hide them automatically. This timeout ensures they do
     setTimeout(_.bind(function () {
         this.share.tooltip('hide');
     }, this), 1500);
 };

 Sharing.prototype.copyLinkTypeToClipboard = function (type) {
     var config = this.layout.toConfig();
     getLinks(config, type, _.bind(function (error, newUrl, extra, updateState) {
         if (error || !newUrl) {
             this.displayTooltip('Oops, something went wrong');
             Sentry.captureException(error);
         } else {
             if (updateState) {
                 this.storeCurrentConfig(config, extra);
             }
             this.doLinkCopyToClipboard(newUrl);
         }
     }, this));
 };

 Sharing.prototype.doLinkCopyToClipboard = function (link) {
     // TODO: Add more ways for users to be able to copy the link text
     // Right now, only the newer navigator.clipboard is available, but more can be added
     if (this.isNavigatorClipboardAvailable()) {
         navigator.clipboard.writeText(link)
             .then(_.bind(function () {
                 this.displayTooltip('Link copied to clipboard');
             }, this))
             .catch(_.bind(function () {
                 this.displayTooltip('Error copying link to clipboard');
             }, this));
     }
 };

 Sharing.prototype.storeCurrentConfig = function (config, extra) {
     window.history.pushState(null, null, extra);
 };

 // True if there's at least one way to copy a link to the user's clipboard.
 // Currently, only navigator.clipboard is supported
 Sharing.prototype.areClipboardOperationSupported = function () {
     return this.isNavigatorClipboardAvailable();
 };

 Sharing.prototype.isNavigatorClipboardAvailable = function () {
     return navigator.clipboard != null;
 };

 module.exports = {
     Sharing: Sharing,
 };
	// Copyright (c) 2021, Compiler Explorer Authors
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	'use strict';
	var $ = require('jquery');
	var _ = require('underscore');
	var options = require('./options');
	var url = require('./url');
	var ga = require('./analytics');
	var Sentry = require('@sentry/browser');
	var cloneDeep = require('lodash.clonedeep');


	var shareServices = {
	twitter: {
	embedValid: false,
	logoClass: 'fab fa-twitter',
	cssClass: 'share-twitter',
	getLink: function (title, url) {
	return 'https://twitter.com/intent/tweet?text=' +
	encodeURIComponent(title) + '&url=' + encodeURIComponent(url) + '&via=CompileExplore';
	},
	text: 'Tweet',
	},
	reddit: {
	embedValid: false,
	logoClass: 'fab fa-reddit',
	cssClass: 'share-reddit',
	getLink: function (title, url) {
	return 'http://www.reddit.com/submit?url=' +
	encodeURIComponent(url) + '&title=' + encodeURIComponent(title);
	},
	text: 'Share on Reddit',
	},
	};

	function filterComponentState(config, keysToRemove) {
	function filterComponentStateImpl(component) {
	if (component.content) {
	for (var i = 0; i < component.content.length; i++) {
	filterComponentStateImpl(component.content[i], keysToRemove);
	}
	}

	if (component.componentState) {
	Object.keys(component.componentState)
	.filter(function (key) {
	return keysToRemove.includes(key);
	})
	.forEach(function (key) {
	delete component.componentState[key];
	});
	}
	}

	config = cloneDeep(config);
	filterComponentStateImpl(config);
	return config;
	}

	function updateShares(container, url) {
	var baseTemplate = $('#share-item');
	_.each(shareServices, function (service, serviceName) {
	var newElement = baseTemplate.children('a.share-item').clone();
	if (service.logoClass) {
	newElement.prepend($('<span>')
	.addClass('dropdown-icon')
	.addClass(service.logoClass)
	.prop('title', serviceName)
	);
	}
	if (service.text) {
	newElement.children('span.share-item-text')
	.text(service.text);
	}
	newElement
	.prop('href', service.getLink('Compiler Explorer', url))
	.addClass(service.cssClass)
	.toggleClass('share-no-embeddable', !service.embedValid)
	.appendTo(container);
	});
	}

	function getEmbeddedUrl(config, root, readOnly, extraOptions) {
	var location = window.location.origin + root;
	var path = '';
	var parameters = '';

	_.forEach(extraOptions, function (value, key) {
	if (parameters === '') {
	parameters = '?';
	} else {
	parameters += '&';
	}

	parameters += key + '=' + value;
	});

	if (readOnly) {
	path = 'embed-ro' + parameters + '#';
	} else {
	path = 'e' + parameters + '#';
	}

	return location + path + url.serialiseState(config);
	}

	function getEmbeddedHtml(config, root, isReadOnly, extraOptions) {
	return '<iframe width="800px" height="200px" src="' +
	getEmbeddedUrl(config, root, isReadOnly, extraOptions) + '"></iframe>';
	}

	function getShortLink(config, root, done) {
	var useExternalShortener = options.urlShortenService !== 'default';
	var data = JSON.stringify({
	config: useExternalShortener ? url.serialiseState(config) : config,
	});
	$.ajax({
	type: 'POST',
	url: window.location.origin + root + 'api/shortener',
	dataType: 'json', // Expected
	contentType: 'application/json', // Sent
	data: data,
	success: _.bind(function (result) {
	var pushState = useExternalShortener ? null : result.url;
	done(null, result.url, pushState, true);
	}, this),
	error: _.bind(function (err) {
	// Notify the user that we ran into trouble?
	done(err.statusText, null, false);
	}, this),
	cache: true,
	});
	}

	function getLinks(config, currentBind, done) {
	var root = window.httpRoot;
	ga.proxy('send', {
	hitType: 'event',
	eventCategory: 'CreateShareLink',
	eventAction: 'Sharing',
	});
	switch (currentBind) {
	case 'Short':
	getShortLink(config, root, done);
	return;
	case 'Full':
	done(null, window.location.origin + root + '#' + url.serialiseState(config), false);
	return;
	default:
	if (currentBind.substr(0, 5) === 'Embed') {
	var options = {};
	$('#sharelinkdialog input:checked').each(function () {
	options[$(this).prop('class')] = true;
	});
	done(null, getEmbeddedHtml(config, root, false, options), false);
	return;
	}
	// Hmmm
	done('Unknown link type', null);
	}
	}

	function Sharing(layout) {
	this.layout = layout;
	this.lastState = null;

	this.share = $('#share');
	this.shareShort = $('#shareShort');
	this.shareFull = $('#shareFull');
	this.shareEmbed = $('#shareEmbed');

	this.initButtons();
	this.initCallbacks();
	}

	Sharing.prototype.initButtons = function () {
	this.shareShortCopyToClipBtn = this.shareShort.find('.clip-icon');
	this.shareFullCopyToClipBtn = this.shareFull.find('.clip-icon');
	this.shareEmbedCopyToClipBtn = this.shareEmbed.find('.clip-icon');

	if (this.areClipboardOperationSupported()) {
	var onClipButtonPressed = _.bind(function (e, type) {
	// Dont let the modal show up.
	// We need this because the button is a child of the dropdown-item with a data-toggle=modal
	e.stopPropagation();
	this.copyLinkTypeToClipboard(type);
	// As we prevented bubbling, the dropdown won't close by itself. We need to trigger it manually
	this.share.dropdown('hide');
	}, this);

	this.shareShortCopyToClipBtn.on('click', _.bind(function (e) {
	onClipButtonPressed(e, 'Short');
	}, this));
	this.shareFullCopyToClipBtn.on('click', _.bind(function (e) {
	onClipButtonPressed(e, 'Full');
	}, this));
	this.shareEmbedCopyToClipBtn.on('click', _.bind(function (e) {
	onClipButtonPressed(e, 'Embed');
	}, this));
	} else {
	this.shareShortCopyToClipBtn.hide();
	this.shareFullCopyToClipBtn.hide();
	this.shareEmbedCopyToClipBtn.hide();
	}
	};

	Sharing.prototype.onOpenModalPane = function (event) {
	var button = $(event.relatedTarget);
	var currentBind = button.data('bind');
	var modal = $(event.currentTarget);
	var socialSharingElements = modal.find('.socialsharing');
	var permalink = modal.find('.permalink');
	var embedsettings = modal.find('#embedsettings');

	function updatePermaLink() {
	socialSharingElements.empty();
	var config = this.layout.toConfig();
	getLinks(config, currentBind, _.bind(function (error, newUrl, extra, updateState) {
	if (error \|\| !newUrl) {
	permalink.prop('disabled', true);
	permalink.val(error \|\| 'Error providing URL');
	Sentry.captureException(error);
	} else {
	if (updateState) {
	this.storeCurrentConfig(config, extra);
	}
	permalink.val(newUrl);
	if (options.sharingEnabled) {
	updateShares(socialSharingElements, newUrl);
	// Disable the links for every share item which does not support embed html as links
	if (currentBind === 'Embed') {
	socialSharingElements.children('.share-no-embeddable')
	.addClass('share-disabled')
	.prop('title', 'Embed links are not supported in this service')
	.on('click', false);
	}
	}
	}
	}, this));
	}

	if (currentBind === 'Embed') {
	embedsettings.show();
	embedsettings.find('input')
	// Off any prev click handlers to avoid multiple events triggering after opening the modal more than once
	.off('click')
	.on('click', _.bind(function () {
	updatePermaLink.apply(this);
	}, this));
	} else {
	embedsettings.hide();
	}

	updatePermaLink.apply(this);

	ga.proxy('send', {
	hitType: 'event',
	eventCategory: 'OpenModalPane',
	eventAction: 'Sharing',
	});
	};

	Sharing.prototype.onStateChanged = function () {
	var layoutConfig = this.layout.toConfig();
	var config = filterComponentState(layoutConfig, ['selection']);
	this.ensureUrlIsNotOutdated(config);
	if (options.embedded) {
	var strippedToLast = window.location.pathname;
	strippedToLast = strippedToLast.substr(0, strippedToLast.lastIndexOf('/') + 1);
	$('a.link').attr('href', strippedToLast + '#' + url.serialiseState(config));
	}
	};

	// This keeps the URL from displaying a short link of an outdated page state
	Sharing.prototype.ensureUrlIsNotOutdated = function (config) {
	var stringifiedConfig = JSON.stringify(config);
	if (stringifiedConfig !== this.lastState) {
	if (this.lastState != null && window.location.pathname !== window.httpRoot) {
	window.history.replaceState(null, null, window.httpRoot);
	}
	this.lastState = stringifiedConfig;
	}
	};

	Sharing.prototype.initCallbacks = function () {
	this.layout.eventHub.on('displaySharingPopover', _.bind(function () {
	this.shareShort.trigger('click');
	}, this));
	this.layout.on('stateChanged', _.bind(this.onStateChanged, this));

	$('#sharelinkdialog').on('show.bs.modal', _.bind(this.onOpenModalPane, this));
	};

	Sharing.prototype.displayTooltip = function (message) {
	this.share.tooltip('dispose');
	this.share.tooltip({
	placement: 'bottom',
	trigger: 'manual',
	title: message,
	});
	this.share.tooltip('show');
	// Manual triggering of tooltips does not hide them automatically. This timeout ensures they do
	setTimeout(_.bind(function () {
	this.share.tooltip('hide');
	}, this), 1500);
	};

	Sharing.prototype.copyLinkTypeToClipboard = function (type) {
	var config = this.layout.toConfig();
	getLinks(config, type, _.bind(function (error, newUrl, extra, updateState) {
	if (error \|\| !newUrl) {
	this.displayTooltip('Oops, something went wrong');
	Sentry.captureException(error);
	} else {
	if (updateState) {
	this.storeCurrentConfig(config, extra);
	}
	this.doLinkCopyToClipboard(newUrl);
	}
	}, this));
	};

	Sharing.prototype.doLinkCopyToClipboard = function (link) {
	// TODO: Add more ways for users to be able to copy the link text
	// Right now, only the newer navigator.clipboard is available, but more can be added
	if (this.isNavigatorClipboardAvailable()) {
	navigator.clipboard.writeText(link)
	.then(_.bind(function () {
	this.displayTooltip('Link copied to clipboard');
	}, this))
	.catch(_.bind(function () {
	this.displayTooltip('Error copying link to clipboard');
	}, this));
	}
	};

	Sharing.prototype.storeCurrentConfig = function (config, extra) {
	window.history.pushState(null, null, extra);
	};

	// True if there's at least one way to copy a link to the user's clipboard.
	// Currently, only navigator.clipboard is supported
	Sharing.prototype.areClipboardOperationSupported = function () {
	return this.isNavigatorClipboardAvailable();
	};

	Sharing.prototype.isNavigatorClipboardAvailable = function () {
	return navigator.clipboard != null;
	};

	module.exports = {
	Sharing: Sharing,
	};