/* Detect-zoom
 * -----------
 * Cross Browser Zoom and Pixel Ratio Detector
 * Version 1.0.4 | Apr 1 2013
 * dual-licensed under the WTFPL and MIT license
 * Maintained by https://github/tombigel
 * Original developer https://github.com/yonran
 */

//AMD and CommonJS initialization copied from https://github.com/zohararad/audio5js
(function (root, ns, factory) {
    "use strict";

    if (typeof (module) !== 'undefined' && module.exports) { // CommonJS
        module.exports = factory(ns, root);
    } else if (typeof (define) === 'function' && define.amd) { // AMD
        define("factory", function () {
            return factory(ns, root);
        });
    } else {
        root[ns] = factory(ns, root);
    }

}(window, 'detectZoom', function () {

    /**
     * Use devicePixelRatio if supported by the browser
     * @return {Number}
     * @private
     */
    var devicePixelRatio = function () {
        return window.devicePixelRatio || 1;
    };

    /**
     * Fallback function to set default values
     * @return {Object}
     * @private
     */
    var fallback = function () {
        return {
            zoom: 1,
            devicePxPerCssPx: 1
        };
    };
    /**
     * IE 8 and 9: no trick needed!
     * TODO: Test on IE10 and Windows 8 RT
     * @return {Object}
     * @private
     **/
    var ie8 = function () {
        var zoom = Math.round((screen.deviceXDPI / screen.logicalXDPI) * 100) / 100;
        return {
            zoom: zoom,
            devicePxPerCssPx: zoom * devicePixelRatio()
        };
    };

    /**
     * For IE10 we need to change our technique again...
     * thanks https://github.com/stefanvanburen
     * @return {Object}
     * @private
     */
    var ie10 = function () {
        var zoom = Math.round((document.documentElement.offsetHeight / window.innerHeight) * 100) / 100;
        return {
            zoom: zoom,
            devicePxPerCssPx: zoom * devicePixelRatio()
        };
    };

    /**
     * Mobile WebKit
     * the trick: window.innerWIdth is in CSS pixels, while
     * screen.width and screen.height are in system pixels.
     * And there are no scrollbars to mess up the measurement.
     * @return {Object}
     * @private
     */
    var webkitMobile = function () {
        var deviceWidth = (Math.abs(window.orientation) == 90) ? screen.height : screen.width;
        var zoom = deviceWidth / window.innerWidth;
        return {
            zoom: zoom,
            devicePxPerCssPx: zoom * devicePixelRatio()
        };
    };

    /**
     * Desktop Webkit
     * the trick: an element's clientHeight is in CSS pixels, while you can
     * set its line-height in system pixels using font-size and
     * -webkit-text-size-adjust:none.
     * device-pixel-ratio: http://www.webkit.org/blog/55/high-dpi-web-sites/
     *
     * Previous trick (used before http://trac.webkit.org/changeset/100847):
     * documentElement.scrollWidth is in CSS pixels, while
     * document.width was in system pixels. Note that this is the
     * layout width of the document, which is slightly different from viewport
     * because document width does not include scrollbars and might be wider
     * due to big elements.
     * @return {Object}
     * @private
     */
    var webkit = function () {
        var important = function (str) {
            return str.replace(/;/g, " !important;");
        };

        var div = document.createElement('div');
        div.innerHTML = "1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9<br>0";
        div.setAttribute('style', important('font: 100px/1em sans-serif; -webkit-text-size-adjust: none; text-size-adjust: none; height: auto; width: 1em; padding: 0; overflow: visible;'));

        // The container exists so that the div will be laid out in its own flow
        // while not impacting the layout, viewport size, or display of the
        // webpage as a whole.
        // Add !important and relevant CSS rule resets
        // so that other rules cannot affect the results.
        var container = document.createElement('div');
        container.setAttribute('style', important('width:0; height:0; overflow:hidden; visibility:hidden; position: absolute;'));
        container.appendChild(div);

        document.body.appendChild(container);
        var zoom = 1000 / div.clientHeight;
        zoom = Math.round(zoom * 100) / 100;
        document.body.removeChild(container);

        return{
            zoom: zoom,
            devicePxPerCssPx: zoom * devicePixelRatio()
        };
    };

    /**
     * no real trick; device-pixel-ratio is the ratio of device dpi / css dpi.
     * (Note that this is a different interpretation than Webkit's device
     * pixel ratio, which is the ratio device dpi / system dpi).
     *
     * Also, for Mozilla, there is no difference between the zoom factor and the device ratio.
     *
     * @return {Object}
     * @private
     */
    var firefox4 = function () {
        var zoom = mediaQueryBinarySearch('min--moz-device-pixel-ratio', '', 0, 10, 20, 0.0001);
        zoom = Math.round(zoom * 100) / 100;
        return {
            zoom: zoom,
            devicePxPerCssPx: zoom
        };
    };

    /**
     * Firefox 18.x
     * Mozilla added support for devicePixelRatio to Firefox 18,
     * but it is affected by the zoom level, so, like in older
     * Firefox we can't tell if we are in zoom mode or in a device
     * with a different pixel ratio
     * @return {Object}
     * @private
     */
    var firefox18 = function () {
        return {
            zoom: firefox4().zoom,
            devicePxPerCssPx: devicePixelRatio()
        };
    };

    /**
     * works starting Opera 11.11
     * the trick: outerWidth is the viewport width including scrollbars in
     * system px, while innerWidth is the viewport width including scrollbars
     * in CSS px
     * @return {Object}
     * @private
     */
    var opera11 = function () {
        var zoom = window.top.outerWidth / window.top.innerWidth;
        zoom = Math.round(zoom * 100) / 100;
        return {
            zoom: zoom,
            devicePxPerCssPx: zoom * devicePixelRatio()
        };
    };

    /**
     * Use a binary search through media queries to find zoom level in Firefox
     * @param property
     * @param unit
     * @param a
     * @param b
     * @param maxIter
     * @param epsilon
     * @return {Number}
     */
    var mediaQueryBinarySearch = function (property, unit, a, b, maxIter, epsilon) {
        var matchMedia;
        var head, style, div;
        if (window.matchMedia) {
            matchMedia = window.matchMedia;
        } else {
            head = document.getElementsByTagName('head')[0];
            style = document.createElement('style');
            head.appendChild(style);

            div = document.createElement('div');
            div.className = 'mediaQueryBinarySearch';
            div.style.display = 'none';
            document.body.appendChild(div);

            matchMedia = function (query) {
                style.sheet.insertRule('@media ' + query + '{.mediaQueryBinarySearch ' + '{text-decoration: underline} }', 0);
                var matched = getComputedStyle(div, null).textDecoration == 'underline';
                style.sheet.deleteRule(0);
                return {matches: matched};
            };
        }
        var ratio = binarySearch(a, b, maxIter);
        if (div) {
            head.removeChild(style);
            document.body.removeChild(div);
        }
        return ratio;

        function binarySearch(a, b, maxIter) {
            var mid = (a + b) / 2;
            if (maxIter <= 0 || b - a < epsilon) {
                return mid;
            }
            var query = "(" + property + ":" + mid + unit + ")";
            if (matchMedia(query).matches) {
                return binarySearch(mid, b, maxIter - 1);
            } else {
                return binarySearch(a, mid, maxIter - 1);
            }
        }
    };

    /**
     * Generate detection function
     * @private
     */
    var detectFunction = (function () {
        var func = fallback;
        //IE8+
        if (!isNaN(screen.logicalXDPI) && !isNaN(screen.systemXDPI)) {
            func = ie8;
        }
        // IE10+ / Touch
        else if (window.navigator.msMaxTouchPoints) {
            func = ie10;
        }
        //Mobile Webkit
        else if ('orientation' in window && typeof document.body.style.webkitMarquee === 'string') {
            func = webkitMobile;
        }
        //WebKit
        else if (typeof document.body.style.webkitMarquee === 'string') {
            func = webkit;
        }
        //Opera
        else if (navigator.userAgent.indexOf('Opera') >= 0) {
            func = opera11;
        }
        //Last one is Firefox
        //FF 18.x
        else if (window.devicePixelRatio) {
            func = firefox18;
        }
        //FF 4.0 - 17.x
        else if (firefox4().zoom > 0.001) {
            func = firefox4;
        }

        return func;
    }());


    return ({

        /**
         * Ratios.zoom shorthand
         * @return {Number} Zoom level
         */
        zoom: function () {
            return detectFunction().zoom;
        },

        /**
         * Ratios.devicePxPerCssPx shorthand
         * @return {Number} devicePxPerCssPx level
         */
        device: function () {
            return detectFunction().devicePxPerCssPx;
        }
    });
}));

var wpcom_img_zoomer = {
        clientHintSupport: {
                gravatar: false,
                files: false,
                photon: false,
                mshots: false,
                staticAssets: false,
                latex: false,
                imgpress: false,
        },
	useHints: false,
	zoomed: false,
	timer: null,
	interval: 1000, // zoom polling interval in millisecond

	// Should we apply width/height attributes to control the image size?
	imgNeedsSizeAtts: function( img ) {
		// Do not overwrite existing width/height attributes.
		if ( img.getAttribute('width') !== null || img.getAttribute('height') !== null )
			return false;
		// Do not apply the attributes if the image is already constrained by a parent element.
		if ( img.width < img.naturalWidth || img.height < img.naturalHeight )
			return false;
		return true;
	},

        hintsFor: function( service ) {
                if ( this.useHints === false ) {
                        return false;
                }
                if ( this.hints() === false ) {
                        return false;
                }
                if ( typeof this.clientHintSupport[service] === "undefined" ) {
                        return false;
                }
                if ( this.clientHintSupport[service] === true ) {
                        return true;
                }
                return false;
        },

	hints: function() {
		try {
			var chrome = window.navigator.userAgent.match(/\sChrome\/([0-9]+)\.[.0-9]+\s/)
			if (chrome !== null) {
				var version = parseInt(chrome[1], 10)
				if (isNaN(version) === false && version >= 46) {
					return true
				}
			}
		} catch (e) {
			return false
		}
		return false
	},

	init: function() {
		var t = this;
		try{
			t.zoomImages();
			t.timer = setInterval( function() { t.zoomImages(); }, t.interval );
		}
		catch(e){
		}
	},

	stop: function() {
		if ( this.timer )
			clearInterval( this.timer );
	},

	getScale: function() {
		var scale = detectZoom.device();
		// Round up to 1.5 or the next integer below the cap.
		if      ( scale <= 1.0 ) scale = 1.0;
		else if ( scale <= 1.5 ) scale = 1.5;
		else if ( scale <= 2.0 ) scale = 2.0;
		else if ( scale <= 3.0 ) scale = 3.0;
		else if ( scale <= 4.0 ) scale = 4.0;
		else                     scale = 5.0;
		return scale;
	},

	shouldZoom: function( scale ) {
		var t = this;
		// Do not operate on hidden frames.
		if ( "innerWidth" in window && !window.innerWidth )
			return false;
		// Don't do anything until scale > 1
		if ( scale == 1.0 && t.zoomed == false )
			return false;
		return true;
	},

	zoomImages: function() {
		var t = this;
		var scale = t.getScale();
		if ( ! t.shouldZoom( scale ) ){
			return;
		}
		t.zoomed = true;
		// Loop through all the <img> elements on the page.
		var imgs = document.getElementsByTagName("img");

		for ( var i = 0; i < imgs.length; i++ ) {
			// Wait for original images to load
			if ( "complete" in imgs[i] && ! imgs[i].complete )
				continue;

			// Skip images that have srcset attributes.
			if ( imgs[i].hasAttribute('srcset') ) {
				continue;
			}

			// Skip images that don't need processing.
			var imgScale = imgs[i].getAttribute("scale");
			if ( imgScale == scale || imgScale == "0" )
				continue;

			// Skip images that have already failed at this scale
			var scaleFail = imgs[i].getAttribute("scale-fail");
			if ( scaleFail && scaleFail <= scale )
				continue;

			// Skip images that have no dimensions yet.
			if ( ! ( imgs[i].width && imgs[i].height ) )
				continue;

			// Skip images from Lazy Load plugins
			if ( ! imgScale && imgs[i].getAttribute("data-lazy-src") && (imgs[i].getAttribute("data-lazy-src") !== imgs[i].getAttribute("src")))
				continue;

			if ( t.scaleImage( imgs[i], scale ) ) {
				// Mark the img as having been processed at this scale.
				imgs[i].setAttribute("scale", scale);
			}
			else {
				// Set the flag to skip this image.
				imgs[i].setAttribute("scale", "0");
			}
		}
	},

	scaleImage: function( img, scale ) {
		var t = this;
		var newSrc = img.src;

                var isFiles = false;
                var isLatex = false;
                var isPhoton = false;

		// Skip slideshow images
		if ( img.parentNode.className.match(/slideshow-slide/) )
			return false;

		// Skip CoBlocks Lightbox images
		if ( img.parentNode.className.match(/coblocks-lightbox__image/) )
			return false;

		// Scale gravatars that have ?s= or ?size=
		if ( img.src.match( /^https?:\/\/([^\/]*\.)?gravatar\.com\/.+[?&](s|size)=/ ) ) {
                        if ( this.hintsFor( "gravatar" ) === true ) {
                                return false;
                        }
			newSrc = img.src.replace( /([?&](s|size)=)(\d+)/, function( $0, $1, $2, $3 ) {
				// Stash the original size
				var originalAtt = "originals",
				originalSize = img.getAttribute(originalAtt);
				if ( originalSize === null ) {
					originalSize = $3;
					img.setAttribute(originalAtt, originalSize);
					if ( t.imgNeedsSizeAtts( img ) ) {
						// Fix width and height attributes to rendered dimensions.
						img.width = img.width;
						img.height = img.height;
					}
				}
				// Get the width/height of the image in CSS pixels
				var size = img.clientWidth;
				// Convert CSS pixels to device pixels
				var targetSize = Math.ceil(img.clientWidth * scale);
				// Don't go smaller than the original size
				targetSize = Math.max( targetSize, originalSize );
				// Don't go larger than the service supports
				targetSize = Math.min( targetSize, 512 );
				return $1 + targetSize;
			});
		}

		// Scale mshots that have width
		else if ( img.src.match(/^https?:\/\/([^\/]+\.)*(wordpress|wp)\.com\/mshots\/.+[?&]w=\d+/) ) {
                        if ( this.hintsFor( "mshots" ) === true ) {
                                return false;
                        }
			newSrc = img.src.replace( /([?&]w=)(\d+)/, function($0, $1, $2) {
				// Stash the original size
				var originalAtt = 'originalw', originalSize = img.getAttribute(originalAtt);
				if ( originalSize === null ) {
					originalSize = $2;
					img.setAttribute(originalAtt, originalSize);
					if ( t.imgNeedsSizeAtts( img ) ) {
						// Fix width and height attributes to rendered dimensions.
						img.width = img.width;
						img.height = img.height;
					}
				}
				// Get the width of the image in CSS pixels
				var size = img.clientWidth;
				// Convert CSS pixels to device pixels
				var targetSize = Math.ceil(size * scale);
				// Don't go smaller than the original size
				targetSize = Math.max( targetSize, originalSize );
				// Don't go bigger unless the current one is actually lacking
				if ( scale > img.getAttribute("scale") && targetSize <= img.naturalWidth )
					targetSize = $2;
				if ( $2 != targetSize )
					return $1 + targetSize;
				return $0;
			});

			// Update height attribute to match width
			newSrc = newSrc.replace( /([?&]h=)(\d+)/, function($0, $1, $2) {
				if ( newSrc == img.src ) {
					return $0;
				}
				// Stash the original size
				var originalAtt = 'originalh', originalSize = img.getAttribute(originalAtt);
				if ( originalSize === null ) {
					originalSize = $2;
					img.setAttribute(originalAtt, originalSize);
				}
				// Get the height of the image in CSS pixels
				var size = img.clientHeight;
				// Convert CSS pixels to device pixels
				var targetSize = Math.ceil(size * scale);
				// Don't go smaller than the original size
				targetSize = Math.max( targetSize, originalSize );
				// Don't go bigger unless the current one is actually lacking
				if ( scale > img.getAttribute("scale") && targetSize <= img.naturalHeight )
					targetSize = $2;
				if ( $2 != targetSize )
					return $1 + targetSize;
				return $0;
			});
		}

		// Scale simple imgpress queries (s0.wp.com) that only specify w/h/fit
		else if ( img.src.match(/^https?:\/\/([^\/.]+\.)*(wp|wordpress)\.com\/imgpress\?(.+)/) ) {
                        if ( this.hintsFor( "imgpress" ) === true ) {
                                return false; 
                        }
			var imgpressSafeFunctions = ["zoom", "url", "h", "w", "fit", "filter", "brightness", "contrast", "colorize", "smooth", "unsharpmask"];
			// Search the query string for unsupported functions.
			var qs = RegExp.$3.split('&');
			for ( var q in qs ) {
				q = qs[q].split('=')[0];
				if ( imgpressSafeFunctions.indexOf(q) == -1 ) {
					return false;
				}
			}
			// Fix width and height attributes to rendered dimensions.
			img.width = img.width;
			img.height = img.height;
			// Compute new src
			if ( scale == 1 )
				newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?');
			else
				newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?zoom=' + scale + '&');
		}

		// Scale files.wordpress.com, LaTeX, or Photon images (i#.wp.com)
		else if (
			( isFiles = img.src.match(/^https?:\/\/([^\/]+)\.files\.wordpress\.com\/.+[?&][wh]=/) ) ||
			( isLatex = img.src.match(/^https?:\/\/([^\/.]+\.)*(wp|wordpress)\.com\/latex\.php\?(latex|zoom)=(.+)/) ) ||
			( isPhoton = img.src.match(/^https?:\/\/i[\d]{1}\.wp\.com\/(.+)/) )
		) {
                        if ( false !== isFiles && this.hintsFor( "files" ) === true ) {
                                return false
                        }
                        if ( false !== isLatex && this.hintsFor( "latex" ) === true ) {
                                return false
                        }
                        if ( false !== isPhoton && this.hintsFor( "photon" ) === true ) {
                                return false
                        }
			// Fix width and height attributes to rendered dimensions.
			img.width = img.width;
			img.height = img.height;
			// Compute new src
			if ( scale == 1 ) {
				newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?');
			} else {
				newSrc = img.src;

				var url_var = newSrc.match( /([?&]w=)(\d+)/ );
				if ( url_var !== null && url_var[2] ) {
					newSrc = newSrc.replace( url_var[0], url_var[1] + img.width );
				}

				url_var = newSrc.match( /([?&]h=)(\d+)/ );
				if ( url_var !== null && url_var[2] ) {
					newSrc = newSrc.replace( url_var[0], url_var[1] + img.height );
				}

				var zoom_arg = '&zoom=2';
				if ( !newSrc.match( /\?/ ) ) {
					zoom_arg = '?zoom=2';
				}
				img.setAttribute( 'srcset', newSrc + zoom_arg + ' ' + scale + 'x' );
			}
		}

		// Scale static assets that have a name matching *-1x.png or *@1x.png
		else if ( img.src.match(/^https?:\/\/[^\/]+\/.*[-@]([12])x\.(gif|jpeg|jpg|png)(\?|$)/) ) {
                        if ( this.hintsFor( "staticAssets" ) === true ) {
                                return false; 
                        }
			// Fix width and height attributes to rendered dimensions.
			img.width = img.width;
			img.height = img.height;
			var currentSize = RegExp.$1, newSize = currentSize;
			if ( scale <= 1 )
				newSize = 1;
			else
				newSize = 2;
			if ( currentSize != newSize )
				newSrc = img.src.replace(/([-@])[12]x\.(gif|jpeg|jpg|png)(\?|$)/, '$1'+newSize+'x.$2$3');
		}

		else {
			return false;
		}

		// Don't set img.src unless it has changed. This avoids unnecessary reloads.
		if ( newSrc != img.src ) {
			// Store the original img.src
			var prevSrc, origSrc = img.getAttribute("src-orig");
			if ( !origSrc ) {
				origSrc = img.src;
				img.setAttribute("src-orig", origSrc);
			}
			// In case of error, revert img.src
			prevSrc = img.src;
			img.onerror = function(){
				img.src = prevSrc;
				if ( img.getAttribute("scale-fail") < scale )
					img.setAttribute("scale-fail", scale);
				img.onerror = null;
			};
			// Finally load the new image
			img.src = newSrc;
		}

		return true;
	}
};

wpcom_img_zoomer.init();
;
( function() {
	var cookieValue = document.cookie.replace( /(?:(?:^|.*;\s*)eucookielaw\s*\=\s*([^;]*).*$)|^.*$/, '$1' );
	var overlay = document.querySelector( '#eu-cookie-law' );
	var container = document.querySelector( '.widget_eu_cookie_law_widget' );
	var initialScrollPosition, scrollFunction;

	function remove( el ) {
		return el && el.parentElement && el.parentElement.removeChild( el );
	}

	function triggerDismissEvent() {
		try {
			const dismissEvent = new Event( 'eucookielaw-dismissed' );
			document.dispatchEvent( dismissEvent );
		} catch ( err ) { }
	}

	function removeOverlay() {
		remove( overlay );
		triggerDismissEvent();
	}

	function fade( el, type, fn ) {
		var duration = 400;

		el.style.display = 'block';
		el.style.transitionProperty = 'opacity';
		el.style.transitionDuration = duration + 'ms';
		el.style.opacity = type === 'in' ? 0 : 1;

		// Double rAF to ensure styles are applied cross-browser.
		requestAnimationFrame( function () {
			requestAnimationFrame( function() {
				el.style.opacity = type === 'in' ? 1 : 0;
				// Wait for animation.
				setTimeout( function () {
					// Clean up.
					el.style.removeProperty( 'opacity' );
					el.style.removeProperty( 'transition-property' );
					el.style.removeProperty( 'transition-duration' );

					if ( type === 'out' ) {
						el.style.display = 'none';
					}

					if ( typeof fn === 'function' ) {
						fn();
					}
				}, duration + 50 );
			} );
		} );
	}

	function appendWidget() {
		document.body.appendChild( container );
		overlay.style.display = 'block';
		fade( container, 'in' );
	}

	if ( typeof wp !== 'undefined' && !! wp.customize ) {
		appendWidget();
		return;
	}

	if ( ! overlay || ! container ) {
		return;
	}

	if ( overlay.classList.contains( 'ads-active' ) ) {
		var adsCookieValue = document.cookie.replace( /(?:(?:^|.*;\s*)personalized-ads-consent\s*\=\s*([^;]*).*$)|^.*$/, '$1' );
		if ( cookieValue !== '' && adsCookieValue !== '' ) {
			removeOverlay();
		}
	} else if ( cookieValue !== '' ) {
		removeOverlay();
	}

	appendWidget();

	overlay.querySelector( 'form' ).addEventListener( 'submit', accept );

	if ( overlay.classList.contains( 'hide-on-scroll' ) ) {
		initialScrollPosition = window.pageYOffset;

		scrollFunction = function() {
			if ( Math.abs( window.pageYOffset - initialScrollPosition ) > 50 ) {
				accept();
			}
		};

		window.addEventListener( 'scroll', scrollFunction );
	} else if ( overlay.classList.contains( 'hide-on-time' ) ) {
		var timeout = parseInt( overlay.getAttribute( 'data-hide-timeout' ), 10 ) || 0;
		setTimeout( accept, timeout * 1000 );
	}

	var accepted = false;
	function accept( event ) {
		if ( accepted ) {
			return;
		}
		accepted = true;

		if ( event && event.preventDefault ) {
			event.preventDefault();
		}

		if ( overlay.classList.contains( 'hide-on-scroll' ) ) {
			window.removeEventListener( 'scroll', scrollFunction );
		}

		var expireTime = new Date();
		var consentExpiration = parseInt( overlay.getAttribute( 'data-consent-expiration' ), 10 ) || 0;
		expireTime.setTime( expireTime.getTime() + ( consentExpiration * 24 * 60 * 60 * 1000 ) );

		document.cookie = 'eucookielaw=' + expireTime.getTime() + ';path=/;expires=' + expireTime.toGMTString();
		if ( overlay.classList.contains( 'ads-active' ) && overlay.classList.contains( 'hide-on-button' ) ) {
			document.cookie = 'personalized-ads-consent=' + expireTime.getTime() + ';path=/;expires=' + expireTime.toGMTString();
		}

		fade( overlay, 'out', function() {
			removeOverlay();
			remove( container );
		} );
	}
} )();
;
/* global wpcom_reblog */

var jetpackLikesWidgetBatch = [];
var jetpackLikesMasterReady = false;

// Due to performance problems on pages with a large number of widget iframes that need to be loaded,
// we are limiting the processing at any instant to unloaded widgets that are currently in viewport,
// plus this constant that will allow processing of widgets above and bellow the current fold.
// This aim of it is to improve the UX and hide the transition from unloaded to loaded state from users.
var jetpackLikesLookAhead = 2000; // pixels

// Keeps track of loaded comment likes widget so we can unload them when they are scrolled out of view.
var jetpackCommentLikesLoadedWidgets = [];

var jetpackLikesDocReadyPromise = new Promise( resolve => {
	if ( document.readyState !== 'loading' ) {
		resolve();
	} else {
		window.addEventListener( 'DOMContentLoaded', () => resolve() );
	}
} );

function JetpackLikesPostMessage( message, target ) {
	if ( typeof message === 'string' ) {
		try {
			message = JSON.parse( message );
		} catch ( e ) {
			return;
		}
	}

	if ( target && typeof target.postMessage === 'function' ) {
		try {
			target.postMessage(
				JSON.stringify( {
					type: 'likesMessage',
					data: message,
				} ),
				'*'
			);
		} catch ( e ) {
			return;
		}
	}
}

function JetpackLikesBatchHandler() {
	const requests = [];
	document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' ).forEach( widget => {
		if ( jetpackLikesWidgetBatch.indexOf( widget.id ) > -1 ) {
			return;
		}

		if ( ! jetpackIsScrolledIntoView( widget ) ) {
			return;
		}

		jetpackLikesWidgetBatch.push( widget.id );

		var regex = /like-(post|comment)-wrapper-(\d+)-(\d+)-(\w+)/,
			match = regex.exec( widget.id ),
			info;

		if ( ! match || match.length !== 5 ) {
			return;
		}

		info = {
			blog_id: match[ 2 ],
			width: widget.width,
		};

		if ( 'post' === match[ 1 ] ) {
			info.post_id = match[ 3 ];
		} else if ( 'comment' === match[ 1 ] ) {
			info.comment_id = match[ 3 ];
		}

		info.obj_id = match[ 4 ];

		requests.push( info );
	} );

	if ( requests.length > 0 ) {
		JetpackLikesPostMessage(
			{ event: 'initialBatch', requests: requests },
			window.frames[ 'likes-master' ]
		);
	}
}

function JetpackLikesMessageListener( event ) {
	let message = event && event.data;
	if ( typeof message === 'string' ) {
		try {
			message = JSON.parse( message );
		} catch ( err ) {
			return;
		}
	}

	const type = message && message.type;
	const data = message && message.data;

	if ( type !== 'likesMessage' || typeof data.event === 'undefined' ) {
		return;
	}

	// We only allow messages from one origin
	const allowedOrigin = 'https://widgets.wp.com';
	if ( allowedOrigin !== event.origin ) {
		return;
	}

	switch ( data.event ) {
		case 'masterReady':
			jetpackLikesDocReadyPromise.then( () => {
				jetpackLikesMasterReady = true;

				const stylesData = {
					event: 'injectStyles',
				};
				const sdTextColor = document.querySelector( '.sd-text-color' );
				const sdLinkColor = document.querySelector( '.sd-link-color' );
				const sdTextColorStyles = ( sdTextColor && getComputedStyle( sdTextColor ) ) || {};
				const sdLinkColorStyles = ( sdLinkColor && getComputedStyle( sdLinkColor ) ) || {};

				if ( document.querySelectorAll( 'iframe.admin-bar-likes-widget' ).length > 0 ) {
					JetpackLikesPostMessage( { event: 'adminBarEnabled' }, window.frames[ 'likes-master' ] );

					const bgSource = document.querySelector(
						'#wpadminbar .quicklinks li#wp-admin-bar-wpl-like > a'
					);

					const wpAdminBar = document.querySelector( '#wpadminbar' );

					stylesData.adminBarStyles = {
						background: bgSource && getComputedStyle( bgSource ).background,
						isRtl: wpAdminBar && getComputedStyle( wpAdminBar ).direction === 'rtl',
					};
				}

				// enable reblogs if they are enabled for the page
				if ( document.body.classList.contains( 'jetpack-reblog-enabled' ) ) {
					JetpackLikesPostMessage( { event: 'reblogsEnabled' }, window.frames[ 'likes-master' ] );
				}

				stylesData.textStyles = {
					color: sdTextColorStyles[ 'color' ],
					fontFamily: sdTextColorStyles[ 'font-family' ],
					fontSize: sdTextColorStyles[ 'font-size' ],
					direction: sdTextColorStyles[ 'direction' ],
					fontWeight: sdTextColorStyles[ 'font-weight' ],
					fontStyle: sdTextColorStyles[ 'font-style' ],
					textDecoration: sdTextColorStyles[ 'text-decoration' ],
				};

				stylesData.linkStyles = {
					color: sdLinkColorStyles[ 'color' ],
					fontFamily: sdLinkColorStyles[ 'font-family' ],
					fontSize: sdLinkColorStyles[ 'font-size' ],
					textDecoration: sdLinkColorStyles[ 'text-decoration' ],
					fontWeight: sdLinkColorStyles[ 'font-weight' ],
					fontStyle: sdLinkColorStyles[ 'font-style' ],
				};

				JetpackLikesPostMessage( stylesData, window.frames[ 'likes-master' ] );

				JetpackLikesBatchHandler();
			} );

			break;

		case 'showLikeWidget': {
			const placeholder = document.querySelector( `#${ data.id } .likes-widget-placeholder` );
			if ( placeholder ) {
				placeholder.style.display = 'none';
			}
			break;
		}

		case 'showCommentLikeWidget': {
			const placeholder = document.querySelector( `#${ data.id } .likes-widget-placeholder` );
			if ( placeholder ) {
				placeholder.style.display = 'none';
			}
			break;
		}

		case 'killCommentLikes':
			// If kill switch for comment likes is enabled remove all widgets wrappers and `Loading...` placeholders.
			document
				.querySelectorAll( '.jetpack-comment-likes-widget-wrapper' )
				.forEach( wrapper => wrapper.remove() );
			break;

		case 'clickReblogFlair':
			if ( wpcom_reblog && typeof wpcom_reblog.toggle_reblog_box_flair === 'function' ) {
				wpcom_reblog.toggle_reblog_box_flair( data.obj_id, data.post_id );
			}
			break;

		case 'showOtherGravatars': {
			const container = document.querySelector( '#likes-other-gravatars' );
			if ( ! container ) {
				break;
			}

			const list = container.querySelector( 'ul' );

			container.style.display = 'none';
			list.innerHTML = '';

			container
				.querySelectorAll( '.likes-text span' )
				.forEach( item => ( item.textContent = data.total ) );

			( data.likers || [] ).forEach( async liker => {
				if ( liker.profile_URL.substr( 0, 4 ) !== 'http' ) {
					// We only display gravatars with http or https schema
					return;
				}

				try {
					const response = await fetch( liker.avatar_URL, { method: 'HEAD' } );
					if ( !response.ok ) {
						// Image doesn't exist, don't create the element
						return;
					}
					} catch ( error ) {
						// Error occurred while checking image existence, don't create the element
					return;
				}

				const element = document.createElement( 'li' );
				element.innerHTML = `
					<a href="${ encodeURI( liker.profile_URL ) }" rel="nofollow" target="_parent" class="wpl-liker">
						<img src="${ encodeURI( liker.avatar_URL ) }"
							alt=""
							style="width: 30px; height: 30px; padding-right: 3px;" />
					</a>
				`;

				list.append( element );

				// Add some extra attributes through native methods, to ensure strings are sanitized.
				element.classList.add( liker.css_class );
				element.querySelector( 'img' ).alt = liker.name;
			} );

			const el = document.querySelector( `*[name='${ data.parent }']` );
			const rect = el.getBoundingClientRect();
			const win = el.ownerDocument.defaultView;
			const offset = {
				top: rect.top + win.pageYOffset,
				left: rect.left + win.pageXOffset,
			};

			container.style.left = offset.left + data.position.left - 10 + 'px';
			container.style.top = offset.top + data.position.top - 33 + 'px';

			// Container width - padding
			const initContainerWidth = data.width - 20;
			const rowLength = Math.floor( initContainerWidth / 37 );
			// # of rows + (avatar + avatar padding) + text above + container padding
			let height = Math.ceil( data.likers.length / rowLength ) * 37 + 17 + 22;
			if ( height > 204 ) {
				height = 204;
			}

			// Avatars + padding
			const containerWidth = rowLength * 37 + 13;
			container.style.height = height + 'px';
			container.style.width = containerWidth + 'px';

			const listWidth = rowLength * 37;
			list.style.width = listWidth + 'px';

			container.style.display = 'block';
		}
	}
}

window.addEventListener( 'message', JetpackLikesMessageListener );

document.addEventListener( 'click', e => {
	const container = document.querySelector( '#likes-other-gravatars' );

	if ( container && ! container.contains( e.target ) ) {
		container.style.display = 'none';
	}
} );

function JetpackLikesWidgetQueueHandler() {
	var wrapperID;

	if ( ! jetpackLikesMasterReady ) {
		setTimeout( JetpackLikesWidgetQueueHandler, 500 );
		return;
	}

	// Restore widgets to initial unloaded state when they are scrolled out of view.
	jetpackUnloadScrolledOutWidgets();

	var unloadedWidgetsInView = jetpackGetUnloadedWidgetsInView();

	if ( unloadedWidgetsInView.length > 0 ) {
		// Grab any unloaded widgets for a batch request
		JetpackLikesBatchHandler();
	}

	for ( var i = 0, length = unloadedWidgetsInView.length; i <= length - 1; i++ ) {
		wrapperID = unloadedWidgetsInView[ i ].id;

		if ( ! wrapperID ) {
			continue;
		}

		jetpackLoadLikeWidgetIframe( wrapperID );
	}
}

function jetpackLoadLikeWidgetIframe( wrapperID ) {
	if ( typeof wrapperID === 'undefined' ) {
		return;
	}

	const wrapper = document.querySelector( '#' + wrapperID );
	wrapper.querySelectorAll( 'iframe' ).forEach( iFrame => iFrame.remove() );

	const placeholder = wrapper.querySelector( '.likes-widget-placeholder' );

	// Post like iframe
	if ( placeholder && placeholder.classList.contains( 'post-likes-widget-placeholder' ) ) {
		const postLikesFrame = document.createElement( 'iframe' );

		postLikesFrame.classList.add( 'post-likes-widget', 'jetpack-likes-widget' );
		postLikesFrame.name = wrapper.dataset.name;
		postLikesFrame.src = wrapper.dataset.src;
		postLikesFrame.height = '55px';
		postLikesFrame.width = '100%';
		postLikesFrame.frameBorder = '0';
		postLikesFrame.scrolling = 'no';
		postLikesFrame.title = wrapper.dataset.title;

		placeholder.after( postLikesFrame );
	}

	// Comment like iframe
	if ( placeholder.classList.contains( 'comment-likes-widget-placeholder' ) ) {
		const commentLikesFrame = document.createElement( 'iframe' );

		commentLikesFrame.class = 'comment-likes-widget-frame jetpack-likes-widget-frame';
		commentLikesFrame.name = wrapper.dataset.name;
		commentLikesFrame.src = wrapper.dataset.src;
		commentLikesFrame.height = '18px';
		commentLikesFrame.width = '100%';
		commentLikesFrame.frameBorder = '0';
		commentLikesFrame.scrolling = 'no';

		wrapper.querySelector( '.comment-like-feedback' ).after( commentLikesFrame );

		jetpackCommentLikesLoadedWidgets.push( commentLikesFrame );
	}

	wrapper.classList.remove( 'jetpack-likes-widget-unloaded' );
	wrapper.classList.add( 'jetpack-likes-widget-loading' );

	wrapper.querySelector( 'iframe' ).addEventListener( 'load', e => {
		JetpackLikesPostMessage(
			{ event: 'loadLikeWidget', name: e.target.name, width: e.target.width },
			window.frames[ 'likes-master' ]
		);

		wrapper.classList.remove( 'jetpack-likes-widget-loading' );
		wrapper.classList.add( 'jetpack-likes-widget-loaded' );
	} );
}

function jetpackGetUnloadedWidgetsInView() {
	const unloadedWidgets = document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' );

	return [ ...unloadedWidgets ].filter( item => jetpackIsScrolledIntoView( item ) );
}

function jetpackIsScrolledIntoView( element ) {
	const top = element.getBoundingClientRect().top;
	const bottom = element.getBoundingClientRect().bottom;

	// Allow some slack above and bellow the fold with jetpackLikesLookAhead,
	// with the aim of hiding the transition from unloaded to loaded widget from users.
	return top + jetpackLikesLookAhead >= 0 && bottom <= window.innerHeight + jetpackLikesLookAhead;
}

function jetpackUnloadScrolledOutWidgets() {
	for ( let i = jetpackCommentLikesLoadedWidgets.length - 1; i >= 0; i-- ) {
		const currentWidgetIframe = jetpackCommentLikesLoadedWidgets[ i ];

		if ( ! jetpackIsScrolledIntoView( currentWidgetIframe ) ) {
			const widgetWrapper =
				currentWidgetIframe &&
				currentWidgetIframe.parentElement &&
				currentWidgetIframe.parentElement.parentElement;

			// Restore parent class to 'unloaded' so this widget can be picked up by queue manager again if needed.
			widgetWrapper.classList.remove( 'jetpack-likes-widget-loaded' );
			widgetWrapper.classList.remove( 'jetpack-likes-widget-loading' );
			widgetWrapper.classList.add( 'jetpack-likes-widget-unloaded' );

			// Bring back the loading placeholder into view.
			widgetWrapper
				.querySelectorAll( '.comment-likes-widget-placeholder' )
				.forEach( item => ( item.style.display = 'block' ) );

			// Remove it from the list of loaded widgets.
			jetpackCommentLikesLoadedWidgets.splice( i, 1 );

			// Remove comment like widget iFrame.
			currentWidgetIframe.remove();
		}
	}
}

var jetpackWidgetsDelayedExec = function ( after, fn ) {
	var timer;
	return function () {
		clearTimeout( timer );
		timer = setTimeout( fn, after );
	};
};

var jetpackOnScrollStopped = jetpackWidgetsDelayedExec( 250, JetpackLikesWidgetQueueHandler );

// Load initial batch of widgets, prior to any scrolling events.
JetpackLikesWidgetQueueHandler();

// Add event listener to execute queue handler after scroll.
window.addEventListener( 'scroll', jetpackOnScrollStopped, true );
;
( function() {
	var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
	    is_opera  = navigator.userAgent.toLowerCase().indexOf( 'opera' )  > -1,
	    is_ie     = navigator.userAgent.toLowerCase().indexOf( 'msie' )   > -1;

	if ( ( is_webkit || is_opera || is_ie ) && 'undefined' !== typeof( document.getElementById ) ) {
		var eventMethod = ( window.addEventListener ) ? 'addEventListener' : 'attachEvent';
		window[ eventMethod ]( 'hashchange', function() {
			var element = document.getElementById( location.hash.substring( 1 ) );

			if ( element ) {
				if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) )
					element.tabIndex = -1;

				element.focus();
			}
		}, false );
	}
})();
;
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0!==e.count&&1*e.count>0&&c.inject_share_count("sharing-pinterest-"+WPCOM_sharing_counts[e.url],e.count)},inject_share_count:function(e,t){i(document.querySelectorAll("a[data-shared="+e+"] > span"),(function(e){var n,o=e.querySelector(".share-count");(n=o)&&n.parentNode&&n.parentNode.removeChild(n);var i=document.createElement("span");i.className="share-count",i.textContent=c.format_count(t),e.appendChild(i)}))},format_count:function(e){return e<1e3?e:e>=1e3&&e<1e4?String(e).substring(0,1)+"K+":"10K+"},bump_sharing_count_stat:function(e){(new Image).src=document.location.protocol+"https://pixel.wp.com/g.gif?v=wpcom-no-pv&x_sharing-count-request="+e+"&r="+Math.random()}};window.WPCOMSharing=c}function u(e,t){e.setAttribute("jetpack-share-click-count",t)}function d(e){var t=e.getAttribute("jetpack-share-click-count");return null===t?0:parseInt(t,10)}function l(e,t){var n,o=new XMLHttpRequest;o.open("POST",e,!0),o.setRequestHeader("Content-Type","application/x-www-form-urlencoded; 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