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mouseleave.fb.touch\",n.proxy(i,\"ontouchend\")).on(h?\"touchmove.fb.touch\":\"mousemove.fb.touch\",n.proxy(i,\"ontouchmove\")),n.fancybox.isMobile&&e.addEventListener(\"scroll\",i.onscroll,!0),((i.opts||i.canPan)&&(c.is(i.$stage)||i.$stage.find(c).length)||(c.is(\".fancybox-image\")&&o.preventDefault(),n.fancybox.isMobile&&c.parents(\".fancybox-caption\").length))&&(i.isScrollable=l(c)||l(c.parent()),n.fancybox.isMobile&&i.isScrollable||o.preventDefault(),(1===i.startPoints.length||u.hasError)&&(i.canPan?(n.fancybox.stop(i.$content),i.isPanning=!0):i.isSwiping=!0,i.$container.addClass(\"fancybox-is-grabbing\")),2===i.startPoints.length&&\"image\"===u.type&&(u.isLoaded||u.$ghost)&&(i.canTap=!1,i.isSwiping=!1,i.isPanning=!1,i.isZooming=!0,n.fancybox.stop(i.$content),i.centerPointStartX=.5*(i.startPoints[0].x+i.startPoints[1].x)-n(t).scrollLeft(),i.centerPointStartY=.5*(i.startPoints[0].y+i.startPoints[1].y)-n(t).scrollTop(),i.percentageOfImageAtPinchPointX=(i.centerPointStartX-i.contentStartPos.left)/i.contentStartPos.width,i.percentageOfImageAtPinchPointY=(i.centerPointStartY-i.contentStartPos.top)/i.contentStartPos.height,i.startDistanceBetweenFingers=s(i.startPoints[0],i.startPoints[1]))))}},d.prototype.onscroll=function(t){var n=this;n.isScrolling=!0,e.removeEventListener(\"scroll\",n.onscroll,!0)},d.prototype.ontouchmove=function(t){var e=this;return void 0!==t.originalEvent.buttons&&0===t.originalEvent.buttons?void e.ontouchend(t):e.isScrolling?void(e.canTap=!1):(e.newPoints=a(t),void((e.opts||e.canPan)&&e.newPoints.length&&e.newPoints.length&&(e.isSwiping&&!0===e.isSwiping||t.preventDefault(),e.distanceX=s(e.newPoints[0],e.startPoints[0],\"x\"),e.distanceY=s(e.newPoints[0],e.startPoints[0],\"y\"),e.distance=s(e.newPoints[0],e.startPoints[0]),e.distance>0&&(e.isSwiping?e.onSwipe(t):e.isPanning?e.onPan():e.isZooming&&e.onZoom()))))},d.prototype.onSwipe=function(e){var a,s=this,r=s.instance,c=s.isSwiping,l=s.sliderStartPos.left||0;if(!0!==c)\"x\"==c&&(s.distanceX>0&&(s.instance.group.length<2||0===s.instance.current.index&&!s.instance.current.opts.loop)?l+=Math.pow(s.distanceX,.8):s.distanceX<0&&(s.instance.group.length<2||s.instance.current.index===s.instance.group.length-1&&!s.instance.current.opts.loop)?l-=Math.pow(-s.distanceX,.8):l+=s.distanceX),s.sliderLastPos={top:\"x\"==c?0:s.sliderStartPos.top+s.distanceY,left:l},s.requestId&&(i(s.requestId),s.requestId=null),s.requestId=o(function(){s.sliderLastPos&&(n.each(s.instance.slides,function(t,e){var o=e.pos-s.instance.currPos;n.fancybox.setTranslate(e.$slide,{top:s.sliderLastPos.top,left:s.sliderLastPos.left+o*s.canvasWidth+o*e.opts.gutter})}),s.$container.addClass(\"fancybox-is-sliding\"))});else if(Math.abs(s.distance)>10){if(s.canTap=!1,r.group.length<2&&s.opts.vertical?s.isSwiping=\"y\":r.isDragging||!1===s.opts.vertical||\"auto\"===s.opts.vertical&&n(t).width()>800?s.isSwiping=\"x\":(a=Math.abs(180*Math.atan2(s.distanceY,s.distanceX)/Math.PI),s.isSwiping=a>45&&a<135?\"y\":\"x\"),\"y\"===s.isSwiping&&n.fancybox.isMobile&&s.isScrollable)return void(s.isScrolling=!0);r.isDragging=s.isSwiping,s.startPoints=s.newPoints,n.each(r.slides,function(t,e){var o,i;n.fancybox.stop(e.$slide),o=n.fancybox.getTranslate(e.$slide),i=n.fancybox.getTranslate(r.$refs.stage),e.$slide.css({transform:\"\",opacity:\"\",\"transition-duration\":\"\"}).removeClass(\"fancybox-animated\").removeClass(function(t,e){return(e.match(/(^|\\s)fancybox-fx-\\S+/g)||[]).join(\" \")}),e.pos===r.current.pos&&(s.sliderStartPos.top=o.top-i.top,s.sliderStartPos.left=o.left-i.left),n.fancybox.setTranslate(e.$slide,{top:o.top-i.top,left:o.left-i.left})}),r.SlideShow&&r.SlideShow.isActive&&r.SlideShow.stop()}},d.prototype.onPan=function(){var t=this;if(s(t.newPoints[0],t.realPoints[0])<(n.fancybox.isMobile?10:5))return void(t.startPoints=t.newPoints);t.canTap=!1,t.contentLastPos=t.limitMovement(),t.requestId&&i(t.requestId),t.requestId=o(function(){n.fancybox.setTranslate(t.$content,t.contentLastPos)})},d.prototype.limitMovement=function(){var t,e,n,o,i,a,s=this,r=s.canvasWidth,c=s.canvasHeight,l=s.distanceX,d=s.distanceY,u=s.contentStartPos,f=u.left,p=u.top,h=u.width,g=u.height;return i=h>r?f+l:f,a=p+d,t=Math.max(0,.5*r-.5*h),e=Math.max(0,.5*c-.5*g),n=Math.min(r-h,.5*r-.5*h),o=Math.min(c-g,.5*c-.5*g),l>0&&i>t&&(i=t-1+Math.pow(-t+f+l,.8)||0),l<0&&i0&&a>e&&(a=e-1+Math.pow(-e+p+d,.8)||0),d<0&&aa?(t=t>0?0:t,t=ts?(e=e>0?0:e,e=e1&&(o.dMs>130&&s>10||s>50);o.sliderLastPos=null,\"y\"==t&&!e&&Math.abs(o.distanceY)>50?(n.fancybox.animate(o.instance.current.$slide,{top:o.sliderStartPos.top+o.distanceY+150*o.velocityY,opacity:0},200),i=o.instance.close(!0,250)):r&&o.distanceX>0?i=o.instance.previous(300):r&&o.distanceX<0&&(i=o.instance.next(300)),!1!==i||\"x\"!=t&&\"y\"!=t||o.instance.centerSlide(200),o.$container.removeClass(\"fancybox-is-sliding\")},d.prototype.endPanning=function(){var t,e,o,i=this;i.contentLastPos&&(!1===i.opts.momentum||i.dMs>350?(t=i.contentLastPos.left,e=i.contentLastPos.top):(t=i.contentLastPos.left+500*i.velocityX,e=i.contentLastPos.top+500*i.velocityY),o=i.limitPosition(t,e,i.contentStartPos.width,i.contentStartPos.height),o.width=i.contentStartPos.width,o.height=i.contentStartPos.height,n.fancybox.animate(i.$content,o,366))},d.prototype.endZooming=function(){var t,e,o,i,a=this,s=a.instance.current,r=a.newWidth,c=a.newHeight;a.contentLastPos&&(t=a.contentLastPos.left,e=a.contentLastPos.top,i={top:e,left:t,width:r,height:c,scaleX:1,scaleY:1},n.fancybox.setTranslate(a.$content,i),rs.width||c>s.height?a.instance.scaleToActual(a.centerPointStartX,a.centerPointStartY,150):(o=a.limitPosition(t,e,r,c),n.fancybox.animate(a.$content,o,150)))},d.prototype.onTap=function(e){var o,i=this,s=n(e.target),r=i.instance,c=r.current,l=e&&a(e)||i.startPoints,d=l[0]?l[0].x-n(t).scrollLeft()-i.stagePos.left:0,u=l[0]?l[0].y-n(t).scrollTop()-i.stagePos.top:0,f=function(t){var o=c.opts[t];if(n.isFunction(o)&&(o=o.apply(r,[c,e])),o)switch(o){case\"close\":r.close(i.startEvent);break;case\"toggleControls\":r.toggleControls();break;case\"next\":r.next();break;case\"nextOrClose\":r.group.length>1?r.next():r.close(i.startEvent);break;case\"zoom\":\"image\"==c.type&&(c.isLoaded||c.$ghost)&&(r.canPan()?r.scaleToFit():r.isScaledDown()?r.scaleToActual(d,u):r.group.length<2&&r.close(i.startEvent))}};if((!e.originalEvent||2!=e.originalEvent.button)&&(s.is(\"img\")||!(d>s[0].clientWidth+s.offset().left))){if(s.is(\".fancybox-bg,.fancybox-inner,.fancybox-outer,.fancybox-container\"))o=\"Outside\";else if(s.is(\".fancybox-slide\"))o=\"Slide\";else{if(!r.current.$content||!r.current.$content.find(s).addBack().filter(s).length)return;o=\"Content\"}if(i.tapped){if(clearTimeout(i.tapped),i.tapped=null,Math.abs(d-i.tapX)>50||Math.abs(u-i.tapY)>50)return this;f(\"dblclick\"+o)}else i.tapX=d,i.tapY=u,c.opts[\"dblclick\"+o]&&c.opts[\"dblclick\"+o]!==c.opts[\"click\"+o]?i.tapped=setTimeout(function(){i.tapped=null,r.isAnimating||f(\"click\"+o)},500):f(\"click\"+o);return this}},n(e).on(\"onActivate.fb\",function(t,e){e&&!e.Guestures&&(e.Guestures=new d(e))}).on(\"beforeClose.fb\",function(t,e){e&&e.Guestures&&e.Guestures.destroy()})}(window,document,jQuery),function(t,e){\"use strict\";e.extend(!0,e.fancybox.defaults,{btnTpl:{slideShow:''},slideShow:{autoStart:!1,speed:3e3,progress:!0}});var n=function(t){this.instance=t,this.init()};e.extend(n.prototype,{timer:null,isActive:!1,$button:null,init:function(){var t=this,n=t.instance,o=n.group[n.currIndex].opts.slideShow;t.$button=n.$refs.toolbar.find(\"[data-fancybox-play]\").on(\"click\",function(){t.toggle()}),n.group.length<2||!o?t.$button.hide():o.progress&&(t.$progress=e('').appendTo(n.$refs.inner))},set:function(t){var n=this,o=n.instance,i=o.current;i&&(!0===t||i.opts.loop||o.currIndex'},fullScreen:{autoStart:!1}}),e(t).on(n.fullscreenchange,function(){var t=o.isFullscreen(),n=e.fancybox.getInstance();n&&(n.current&&\"image\"===n.current.type&&n.isAnimating&&(n.isAnimating=!1,n.update(!0,!0,0),n.isComplete||n.complete()),n.trigger(\"onFullscreenChange\",t),n.$refs.container.toggleClass(\"fancybox-is-fullscreen\",t),n.$refs.toolbar.find(\"[data-fancybox-fullscreen]\").toggleClass(\"fancybox-button--fsenter\",!t).toggleClass(\"fancybox-button--fsexit\",t))})}e(t).on({\"onInit.fb\":function(t,e){var i;if(!n)return void e.$refs.toolbar.find(\"[data-fancybox-fullscreen]\").remove();e&&e.group[e.currIndex].opts.fullScreen?(i=e.$refs.container,i.on(\"click.fb-fullscreen\",\"[data-fancybox-fullscreen]\",function(t){t.stopPropagation(),t.preventDefault(),o.toggle()}),e.opts.fullScreen&&!0===e.opts.fullScreen.autoStart&&o.request(),e.FullScreen=o):e&&e.$refs.toolbar.find(\"[data-fancybox-fullscreen]\").hide()},\"afterKeydown.fb\":function(t,e,n,o,i){e&&e.FullScreen&&70===i&&(o.preventDefault(),e.FullScreen.toggle())},\"beforeClose.fb\":function(t,e){e&&e.FullScreen&&e.$refs.container.hasClass(\"fancybox-is-fullscreen\")&&o.exit()}})}(document,jQuery),function(t,e){\"use strict\";var n=\"fancybox-thumbs\";e.fancybox.defaults=e.extend(!0,{btnTpl:{thumbs:''},thumbs:{autoStart:!1,hideOnClose:!0,parentEl:\".fancybox-container\",axis:\"y\"}},e.fancybox.defaults);var o=function(t){this.init(t)};e.extend(o.prototype,{$button:null,$grid:null,$list:null,isVisible:!1,isActive:!1,init:function(t){var e=this,n=t.group,o=0;e.instance=t,e.opts=n[t.currIndex].opts.thumbs,t.Thumbs=e,e.$button=t.$refs.toolbar.find(\"[data-fancybox-thumbs]\");for(var i=0,a=n.length;i1));i++);o>1&&e.opts?(e.$button.removeAttr(\"style\").on(\"click\",function(){e.toggle()}),e.isActive=!0):e.$button.hide()},create:function(){var t,o=this,i=o.instance,a=o.opts.parentEl,s=[];o.$grid||(o.$grid=e('').appendTo(i.$refs.container.find(a).addBack().filter(a)),o.$grid.on(\"click\",\"a\",function(){i.jumpTo(e(this).attr(\"data-index\"))})),o.$list||(o.$list=e('').appendTo(o.$grid)),e.each(i.group,function(e,n){t=n.thumb,t||\"image\"!==n.type||(t=n.src),s.push('
\")}),o.$list[0].innerHTML=s.join(\"\"),\"x\"===o.opts.axis&&o.$list.width(parseInt(o.$grid.css(\"padding-right\"),10)+i.group.length*o.$list.children().eq(0).outerWidth(!0))},focus:function(t){var e,n,o=this,i=o.$list,a=o.$grid;o.instance.current&&(e=i.children().removeClass(\"fancybox-thumbs-active\").filter('[data-index=\"'+o.instance.current.index+'\"]').addClass(\"fancybox-thumbs-active\"),n=e.position(),\"y\"===o.opts.axis&&(n.top<0||n.top>i.height()-e.outerHeight())?i.stop().animate({scrollTop:i.scrollTop()+n.top},t):\"x\"===o.opts.axis&&(n.left
a.scrollLeft()+(a.width()-e.outerWidth()))&&i.parent().stop().animate({scrollLeft:n.left},t))},update:function(){var t=this;t.instance.$refs.container.toggleClass(\"fancybox-show-thumbs\",this.isVisible),t.isVisible?(t.$grid||t.create(),t.instance.trigger(\"onThumbsShow\"),t.focus(0)):t.$grid&&t.instance.trigger(\"onThumbsHide\"),t.instance.update()},hide:function(){this.isVisible=!1,this.update()},show:function(){this.isVisible=!0,this.update()},toggle:function(){this.isVisible=!this.isVisible,this.update()}}),e(t).on({\"onInit.fb\":function(t,e){var n;e&&!e.Thumbs&&(n=new o(e),n.isActive&&!0===n.opts.autoStart&&n.show())},\"beforeShow.fb\":function(t,e,n,o){var i=e&&e.Thumbs;i&&i.isVisible&&i.focus(o?0:250)},\"afterKeydown.fb\":function(t,e,n,o,i){var a=e&&e.Thumbs;a&&a.isActive&&71===i&&(o.preventDefault(),a.toggle())},\"beforeClose.fb\":function(t,e){var n=e&&e.Thumbs;n&&n.isVisible&&!1!==n.opts.hideOnClose&&n.$grid.hide()}})}(document,jQuery),function(t,e){\"use strict\";function n(t){var e={\"&\":\"&\",\"<\":\"<\",\">\":\">\",'\"':\""\",\"'\":\"'\",\"/\":\"/\",\"`\":\"`\",\"=\":\"=\"};return String(t).replace(/[&<>\"'`=\\/]/g,function(t){return e[t]})}e.extend(!0,e.fancybox.defaults,{btnTpl:{share:''},share:{url:function(t,e){return!t.currentHash&&\"inline\"!==e.type&&\"html\"!==e.type&&(e.origSrc||e.src)||window.location},\ntpl:''}}),e(t).on(\"click\",\"[data-fancybox-share]\",function(){var t,o,i=e.fancybox.getInstance(),a=i.current||null;a&&(\"function\"===e.type(a.opts.share.url)&&(t=a.opts.share.url.apply(a,[i,a])),o=a.opts.share.tpl.replace(/\\{\\{media\\}\\}/g,\"image\"===a.type?encodeURIComponent(a.src):\"\").replace(/\\{\\{url\\}\\}/g,encodeURIComponent(t)).replace(/\\{\\{url_raw\\}\\}/g,n(t)).replace(/\\{\\{descr\\}\\}/g,i.$caption?encodeURIComponent(i.$caption.text()):\"\"),e.fancybox.open({src:i.translate(i,o),type:\"html\",opts:{touch:!1,animationEffect:!1,afterLoad:function(t,e){i.$refs.container.one(\"beforeClose.fb\",function(){t.close(null,0)}),e.$content.find(\".fancybox-share__button\").click(function(){return window.open(this.href,\"Share\",\"width=550, height=450\"),!1})},mobile:{autoFocus:!1}}}))})}(document,jQuery),function(t,e,n){\"use strict\";function o(){var e=t.location.hash.substr(1),n=e.split(\"-\"),o=n.length>1&&/^\\+?\\d+$/.test(n[n.length-1])?parseInt(n.pop(-1),10)||1:1,i=n.join(\"-\");return{hash:e,index:o<1?1:o,gallery:i}}function i(t){\"\"!==t.gallery&&n(\"[data-fancybox='\"+n.escapeSelector(t.gallery)+\"']\").eq(t.index-1).focus().trigger(\"click.fb-start\")}function a(t){var e,n;return!!t&&(e=t.current?t.current.opts:t.opts,\"\"!==(n=e.hash||(e.$orig?e.$orig.data(\"fancybox\")||e.$orig.data(\"fancybox-trigger\"):\"\"))&&n)}n.escapeSelector||(n.escapeSelector=function(t){return(t+\"\").replace(/([\\0-\\x1f\\x7f]|^-?\\d)|^-$|[^\\x80-\\uFFFF\\w-]/g,function(t,e){return e?\"\\0\"===t?\"�\":t.slice(0,-1)+\"\\\\\"+t.charCodeAt(t.length-1).toString(16)+\" \":\"\\\\\"+t})}),n(function(){!1!==n.fancybox.defaults.hash&&(n(e).on({\"onInit.fb\":function(t,e){var n,i;!1!==e.group[e.currIndex].opts.hash&&(n=o(),(i=a(e))&&n.gallery&&i==n.gallery&&(e.currIndex=n.index-1))},\"beforeShow.fb\":function(n,o,i,s){var r;i&&!1!==i.opts.hash&&(r=a(o))&&(o.currentHash=r+(o.group.length>1?\"-\"+(i.index+1):\"\"),t.location.hash!==\"#\"+o.currentHash&&(s&&!o.origHash&&(o.origHash=t.location.hash),o.hashTimer&&clearTimeout(o.hashTimer),o.hashTimer=setTimeout(function(){\"replaceState\"in t.history?(t.history[s?\"pushState\":\"replaceState\"]({},e.title,t.location.pathname+t.location.search+\"#\"+o.currentHash),s&&(o.hasCreatedHistory=!0)):t.location.hash=o.currentHash,o.hashTimer=null},300)))},\"beforeClose.fb\":function(n,o,i){i&&!1!==i.opts.hash&&(clearTimeout(o.hashTimer),o.currentHash&&o.hasCreatedHistory?t.history.back():o.currentHash&&(\"replaceState\"in t.history?t.history.replaceState({},e.title,t.location.pathname+t.location.search+(o.origHash||\"\")):t.location.hash=o.origHash),o.currentHash=null)}}),n(t).on(\"hashchange.fb\",function(){var t=o(),e=null;n.each(n(\".fancybox-container\").get().reverse(),function(t,o){var i=n(o).data(\"FancyBox\");if(i&&i.currentHash)return e=i,!1}),e?e.currentHash===t.gallery+\"-\"+t.index||1===t.index&&e.currentHash==t.gallery||(e.currentHash=null,e.close()):\"\"!==t.gallery&&i(t)}),setTimeout(function(){n.fancybox.getInstance()||i(o())},50))})}(window,document,jQuery),function(t,e){\"use strict\";var n=(new Date).getTime();e(t).on({\"onInit.fb\":function(t,e,o){e.$refs.stage.on(\"mousewheel DOMMouseScroll wheel MozMousePixelScroll\",function(t){var o=e.current,i=(new Date).getTime();e.group.length<2||!1===o.opts.wheel||\"auto\"===o.opts.wheel&&\"image\"!==o.type||(t.preventDefault(),t.stopPropagation(),o.$slide.hasClass(\"fancybox-animated\")||(t=t.originalEvent||t,i-n<250||(n=i,e[(-t.deltaY||-t.deltaX||t.wheelDelta||-t.detail)<0?\"next\":\"previous\"]())))})}})}(document,jQuery);","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar xml_entities_1 = require(\"./xml-entities\");\nexports.XmlEntities = xml_entities_1.XmlEntities;\nvar html4_entities_1 = require(\"./html4-entities\");\nexports.Html4Entities = html4_entities_1.Html4Entities;\nvar html5_entities_1 = require(\"./html5-entities\");\nexports.Html5Entities = html5_entities_1.Html5Entities;\nexports.AllHtmlEntities = html5_entities_1.Html5Entities;\n","/**\n * This is the web browser implementation of `debug()`.\n *\n * Expose `debug()` as the module.\n */\n\nexports = module.exports = require('./debug');\nexports.log = log;\nexports.formatArgs = formatArgs;\nexports.save = save;\nexports.load = load;\nexports.useColors = useColors;\nexports.storage = 'undefined' != typeof chrome\n && 'undefined' != typeof chrome.storage\n ? chrome.storage.local\n : localstorage();\n\n/**\n * Colors.\n */\n\nexports.colors = [\n '#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC',\n '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF',\n '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC',\n '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF',\n '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC',\n '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033',\n '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366',\n '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933',\n '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC',\n '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF',\n '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'\n];\n\n/**\n * Currently only WebKit-based Web Inspectors, Firefox >= v31,\n * and the Firebug extension (any Firefox version) are known\n * to support \"%c\" CSS customizations.\n *\n * TODO: add a `localStorage` variable to explicitly enable/disable colors\n */\n\nfunction useColors() {\n // NB: In an Electron preload script, document will be defined but not fully\n // initialized. Since we know we're in Chrome, we'll just detect this case\n // explicitly\n if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {\n return true;\n }\n\n // Internet Explorer and Edge do not support colors.\n if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\\/(\\d+)/)) {\n return false;\n }\n\n // is webkit? http://stackoverflow.com/a/16459606/376773\n // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632\n return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||\n // is firebug? http://stackoverflow.com/a/398120/376773\n (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||\n // is firefox >= v31?\n // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\\/(\\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||\n // double check webkit in userAgent just in case we are in a worker\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\\/(\\d+)/));\n}\n\n/**\n * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.\n */\n\nexports.formatters.j = function(v) {\n try {\n return JSON.stringify(v);\n } catch (err) {\n return '[UnexpectedJSONParseError]: ' + err.message;\n }\n};\n\n\n/**\n * Colorize log arguments if enabled.\n *\n * @api public\n */\n\nfunction formatArgs(args) {\n var useColors = this.useColors;\n\n args[0] = (useColors ? '%c' : '')\n + this.namespace\n + (useColors ? ' %c' : ' ')\n + args[0]\n + (useColors ? '%c ' : ' ')\n + '+' + exports.humanize(this.diff);\n\n if (!useColors) return;\n\n var c = 'color: ' + this.color;\n args.splice(1, 0, c, 'color: inherit')\n\n // the final \"%c\" is somewhat tricky, because there could be other\n // arguments passed either before or after the %c, so we need to\n // figure out the correct index to insert the CSS into\n var index = 0;\n var lastC = 0;\n args[0].replace(/%[a-zA-Z%]/g, function(match) {\n if ('%%' === match) return;\n index++;\n if ('%c' === match) {\n // we only are interested in the *last* %c\n // (the user may have provided their own)\n lastC = index;\n }\n });\n\n args.splice(lastC, 0, c);\n}\n\n/**\n * Invokes `console.log()` when available.\n * No-op when `console.log` is not a \"function\".\n *\n * @api public\n */\n\nfunction log() {\n // this hackery is required for IE8/9, where\n // the `console.log` function doesn't have 'apply'\n return 'object' === typeof console\n && console.log\n && Function.prototype.apply.call(console.log, console, arguments);\n}\n\n/**\n * Save `namespaces`.\n *\n * @param {String} namespaces\n * @api private\n */\n\nfunction save(namespaces) {\n try {\n if (null == namespaces) {\n exports.storage.removeItem('debug');\n } else {\n exports.storage.debug = namespaces;\n }\n } catch(e) {}\n}\n\n/**\n * Load `namespaces`.\n *\n * @return {String} returns the previously persisted debug modes\n * @api private\n */\n\nfunction load() {\n var r;\n try {\n r = exports.storage.debug;\n } catch(e) {}\n\n // If debug isn't set in LS, and we're in Electron, try to load $DEBUG\n if (!r && typeof process !== 'undefined' && 'env' in process) {\n r = process.env.DEBUG;\n }\n\n return r;\n}\n\n/**\n * Enable namespaces listed in `localStorage.debug` initially.\n */\n\nexports.enable(load());\n\n/**\n * Localstorage attempts to return the localstorage.\n *\n * This is necessary because safari throws\n * when a user disables cookies/localstorage\n * and you attempt to access it.\n *\n * @return {LocalStorage}\n * @api private\n */\n\nfunction localstorage() {\n try {\n return window.localStorage;\n } catch (e) {}\n}\n","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","\n/**\n * Module exports.\n *\n * Logic borrowed from Modernizr:\n *\n * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n */\n\ntry {\n module.exports = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n} catch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n module.exports = false;\n}\n","/**\n * An abstraction for slicing an arraybuffer even when\n * ArrayBuffer.prototype.slice is not supported\n *\n * @api public\n */\n\nmodule.exports = function(arraybuffer, start, end) {\n var bytes = arraybuffer.byteLength;\n start = start || 0;\n end = end || bytes;\n\n if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\n if (start < 0) { start += bytes; }\n if (end < 0) { end += bytes; }\n if (end > bytes) { end = bytes; }\n\n if (start >= bytes || start >= end || bytes === 0) {\n return new ArrayBuffer(0);\n }\n\n var abv = new Uint8Array(arraybuffer);\n var result = new Uint8Array(end - start);\n for (var i = start, ii = 0; i < end; i++, ii++) {\n result[ii] = abv[i];\n }\n return result.buffer;\n};\n","\n/**\n * Module dependencies.\n */\n\nvar parseuri = require('parseuri');\nvar debug = require('debug')('socket.io-client:url');\n\n/**\n * Module exports.\n */\n\nmodule.exports = url;\n\n/**\n * URL parser.\n *\n * @param {String} url\n * @param {Object} An object meant to mimic window.location.\n * Defaults to window.location.\n * @api public\n */\n\nfunction url (uri, loc) {\n var obj = uri;\n\n // default to window.location\n loc = loc || (typeof location !== 'undefined' && location);\n if (null == uri) uri = loc.protocol + '//' + loc.host;\n\n // relative path support\n if ('string' === typeof uri) {\n if ('/' === uri.charAt(0)) {\n if ('/' === uri.charAt(1)) {\n uri = loc.protocol + uri;\n } else {\n uri = loc.host + uri;\n }\n }\n\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n debug('protocol-less url %s', uri);\n if ('undefined' !== typeof loc) {\n uri = loc.protocol + '//' + uri;\n } else {\n uri = 'https://' + uri;\n }\n }\n\n // parse\n debug('parse %s', uri);\n obj = parseuri(uri);\n }\n\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = '80';\n } else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = '443';\n }\n }\n\n obj.path = obj.path || '/';\n\n var ipv6 = obj.host.indexOf(':') !== -1;\n var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\n // define unique id\n obj.id = obj.protocol + '://' + host + ':' + obj.port;\n // define href\n obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port));\n\n return obj;\n}\n","module.exports = after\n\nfunction after(count, callback, err_cb) {\n var bail = false\n err_cb = err_cb || noop\n proxy.count = count\n\n return (count === 0) ? callback() : proxy\n\n function proxy(err, result) {\n if (proxy.count <= 0) {\n throw new Error('after called too many times')\n }\n --proxy.count\n\n // after first error, rest are passed to err_cb\n if (err) {\n bail = true\n callback(err)\n // future error callbacks will go to error handler\n callback = err_cb\n } else if (proxy.count === 0 && !bail) {\n callback(null, result)\n }\n }\n}\n\nfunction noop() {}\n","/* global attachEvent */\n\n/**\n * Module requirements.\n */\n\nvar XMLHttpRequest = require('./xmlhttprequest');\nvar Polling = require('./polling');\nvar Emitter = require('component-emitter');\nvar inherit = require('component-inherit');\nvar debug = require('debug')('engine.io-client:polling-xhr');\nvar globalThis = require('../globalThis');\n\n/**\n * Module exports.\n */\n\nmodule.exports = XHR;\nmodule.exports.Request = Request;\n\n/**\n * Empty function\n */\n\nfunction empty () {}\n\n/**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction XHR (opts) {\n Polling.call(this, opts);\n this.requestTimeout = opts.requestTimeout;\n this.extraHeaders = opts.extraHeaders;\n\n if (typeof location !== 'undefined') {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n this.xd = (typeof location !== 'undefined' && opts.hostname !== location.hostname) ||\n port !== opts.port;\n this.xs = opts.secure !== isSSL;\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(XHR, Polling);\n\n/**\n * XHR supports binary\n */\n\nXHR.prototype.supportsBinary = true;\n\n/**\n * Creates a request.\n *\n * @param {String} method\n * @api private\n */\n\nXHR.prototype.request = function (opts) {\n opts = opts || {};\n opts.uri = this.uri();\n opts.xd = this.xd;\n opts.xs = this.xs;\n opts.agent = this.agent || false;\n opts.supportsBinary = this.supportsBinary;\n opts.enablesXDR = this.enablesXDR;\n opts.withCredentials = this.withCredentials;\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n opts.requestTimeout = this.requestTimeout;\n\n // other options for Node.js client\n opts.extraHeaders = this.extraHeaders;\n\n return new Request(opts);\n};\n\n/**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @api private\n */\n\nXHR.prototype.doWrite = function (data, fn) {\n var isBinary = typeof data !== 'string' && data !== undefined;\n var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n var self = this;\n req.on('success', fn);\n req.on('error', function (err) {\n self.onError('xhr post error', err);\n });\n this.sendXhr = req;\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nXHR.prototype.doPoll = function () {\n debug('xhr poll');\n var req = this.request();\n var self = this;\n req.on('data', function (data) {\n self.onData(data);\n });\n req.on('error', function (err) {\n self.onError('xhr poll error', err);\n });\n this.pollXhr = req;\n};\n\n/**\n * Request constructor\n *\n * @param {Object} options\n * @api public\n */\n\nfunction Request (opts) {\n this.method = opts.method || 'GET';\n this.uri = opts.uri;\n this.xd = !!opts.xd;\n this.xs = !!opts.xs;\n this.async = false !== opts.async;\n this.data = undefined !== opts.data ? opts.data : null;\n this.agent = opts.agent;\n this.isBinary = opts.isBinary;\n this.supportsBinary = opts.supportsBinary;\n this.enablesXDR = opts.enablesXDR;\n this.withCredentials = opts.withCredentials;\n this.requestTimeout = opts.requestTimeout;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n\n this.create();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Request.prototype);\n\n/**\n * Creates the XHR object and sends the request.\n *\n * @api private\n */\n\nRequest.prototype.create = function () {\n var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n\n var xhr = this.xhr = new XMLHttpRequest(opts);\n var self = this;\n\n try {\n debug('xhr open %s: %s', this.method, this.uri);\n xhr.open(this.method, this.uri, this.async);\n try {\n if (this.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (var i in this.extraHeaders) {\n if (this.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.extraHeaders[i]);\n }\n }\n }\n } catch (e) {}\n\n if ('POST' === this.method) {\n try {\n if (this.isBinary) {\n xhr.setRequestHeader('Content-type', 'application/octet-stream');\n } else {\n xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n }\n } catch (e) {}\n }\n\n try {\n xhr.setRequestHeader('Accept', '*/*');\n } catch (e) {}\n\n // ie6 check\n if ('withCredentials' in xhr) {\n xhr.withCredentials = this.withCredentials;\n }\n\n if (this.requestTimeout) {\n xhr.timeout = this.requestTimeout;\n }\n\n if (this.hasXDR()) {\n xhr.onload = function () {\n self.onLoad();\n };\n xhr.onerror = function () {\n self.onError(xhr.responseText);\n };\n } else {\n xhr.onreadystatechange = function () {\n if (xhr.readyState === 2) {\n try {\n var contentType = xhr.getResponseHeader('Content-Type');\n if (self.supportsBinary && contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n xhr.responseType = 'arraybuffer';\n }\n } catch (e) {}\n }\n if (4 !== xhr.readyState) return;\n if (200 === xhr.status || 1223 === xhr.status) {\n self.onLoad();\n } else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n setTimeout(function () {\n self.onError(typeof xhr.status === 'number' ? xhr.status : 0);\n }, 0);\n }\n };\n }\n\n debug('xhr data %s', this.data);\n xhr.send(this.data);\n } catch (e) {\n // Need to defer since .create() is called directly fhrom the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n setTimeout(function () {\n self.onError(e);\n }, 0);\n return;\n }\n\n if (typeof document !== 'undefined') {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n};\n\n/**\n * Called upon successful response.\n *\n * @api private\n */\n\nRequest.prototype.onSuccess = function () {\n this.emit('success');\n this.cleanup();\n};\n\n/**\n * Called if we have data.\n *\n * @api private\n */\n\nRequest.prototype.onData = function (data) {\n this.emit('data', data);\n this.onSuccess();\n};\n\n/**\n * Called upon error.\n *\n * @api private\n */\n\nRequest.prototype.onError = function (err) {\n this.emit('error', err);\n this.cleanup(true);\n};\n\n/**\n * Cleans up house.\n *\n * @api private\n */\n\nRequest.prototype.cleanup = function (fromError) {\n if ('undefined' === typeof this.xhr || null === this.xhr) {\n return;\n }\n // xmlhttprequest\n if (this.hasXDR()) {\n this.xhr.onload = this.xhr.onerror = empty;\n } else {\n this.xhr.onreadystatechange = empty;\n }\n\n if (fromError) {\n try {\n this.xhr.abort();\n } catch (e) {}\n }\n\n if (typeof document !== 'undefined') {\n delete Request.requests[this.index];\n }\n\n this.xhr = null;\n};\n\n/**\n * Called upon load.\n *\n * @api private\n */\n\nRequest.prototype.onLoad = function () {\n var data;\n try {\n var contentType;\n try {\n contentType = this.xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {\n data = this.xhr.response || this.xhr.responseText;\n } else {\n data = this.xhr.responseText;\n }\n } catch (e) {\n this.onError(e);\n }\n if (null != data) {\n this.onData(data);\n }\n};\n\n/**\n * Check if it has XDomainRequest.\n *\n * @api private\n */\n\nRequest.prototype.hasXDR = function () {\n return typeof XDomainRequest !== 'undefined' && !this.xs && this.enablesXDR;\n};\n\n/**\n * Aborts the request.\n *\n * @api public\n */\n\nRequest.prototype.abort = function () {\n this.cleanup();\n};\n\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\n\nRequest.requestsCount = 0;\nRequest.requests = {};\n\nif (typeof document !== 'undefined') {\n if (typeof attachEvent === 'function') {\n attachEvent('onunload', unloadHandler);\n } else if (typeof addEventListener === 'function') {\n var terminationEvent = 'onpagehide' in globalThis ? 'pagehide' : 'unload';\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\n\nfunction unloadHandler () {\n for (var i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","// browser shim for xmlhttprequest module\n\nvar hasCORS = require('has-cors');\nvar globalThis = require('../globalThis');\n\nmodule.exports = function (opts) {\n var xdomain = opts.xdomain;\n\n // scheme must be same when usign XDomainRequest\n // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n var xscheme = opts.xscheme;\n\n // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n // https://github.com/Automattic/engine.io-client/pull/217\n var enablesXDR = opts.enablesXDR;\n\n // XMLHttpRequest can be disabled on IE\n try {\n if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n } catch (e) { }\n\n // Use XDomainRequest for IE8 if enablesXDR is true\n // because loading bar keeps flashing when using jsonp-polling\n // https://github.com/yujiosaka/socke.io-ie8-loading-example\n try {\n if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n return new XDomainRequest();\n }\n } catch (e) { }\n\n if (!xdomain) {\n try {\n return new globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n } catch (e) { }\n }\n};\n","/**\r\n * Create a blob builder even when vendor prefixes exist\r\n */\r\n\r\nvar BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder :\r\n typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder :\r\n typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder :\r\n typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : \r\n false;\r\n\r\n/**\r\n * Check if Blob constructor is supported\r\n */\r\n\r\nvar blobSupported = (function() {\r\n try {\r\n var a = new Blob(['hi']);\r\n return a.size === 2;\r\n } catch(e) {\r\n return false;\r\n }\r\n})();\r\n\r\n/**\r\n * Check if Blob constructor supports ArrayBufferViews\r\n * Fails in Safari 6, so we need to map to ArrayBuffers there.\r\n */\r\n\r\nvar blobSupportsArrayBufferView = blobSupported && (function() {\r\n try {\r\n var b = new Blob([new Uint8Array([1,2])]);\r\n return b.size === 2;\r\n } catch(e) {\r\n return false;\r\n }\r\n})();\r\n\r\n/**\r\n * Check if BlobBuilder is supported\r\n */\r\n\r\nvar blobBuilderSupported = BlobBuilder\r\n && BlobBuilder.prototype.append\r\n && BlobBuilder.prototype.getBlob;\r\n\r\n/**\r\n * Helper function that maps ArrayBufferViews to ArrayBuffers\r\n * Used by BlobBuilder constructor and old browsers that didn't\r\n * support it in the Blob constructor.\r\n */\r\n\r\nfunction mapArrayBufferViews(ary) {\r\n return ary.map(function(chunk) {\r\n if (chunk.buffer instanceof ArrayBuffer) {\r\n var buf = chunk.buffer;\r\n\r\n // if this is a subarray, make a copy so we only\r\n // include the subarray region from the underlying buffer\r\n if (chunk.byteLength !== buf.byteLength) {\r\n var copy = new Uint8Array(chunk.byteLength);\r\n copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\r\n buf = copy.buffer;\r\n }\r\n\r\n return buf;\r\n }\r\n\r\n return chunk;\r\n });\r\n}\r\n\r\nfunction BlobBuilderConstructor(ary, options) {\r\n options = options || {};\r\n\r\n var bb = new BlobBuilder();\r\n mapArrayBufferViews(ary).forEach(function(part) {\r\n bb.append(part);\r\n });\r\n\r\n return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\r\n};\r\n\r\nfunction BlobConstructor(ary, options) {\r\n return new Blob(mapArrayBufferViews(ary), options || {});\r\n};\r\n\r\nif (typeof Blob !== 'undefined') {\r\n BlobBuilderConstructor.prototype = Blob.prototype;\r\n BlobConstructor.prototype = Blob.prototype;\r\n}\r\n\r\nmodule.exports = (function() {\r\n if (blobSupported) {\r\n return blobSupportsArrayBufferView ? Blob : BlobConstructor;\r\n } else if (blobBuilderSupported) {\r\n return BlobBuilderConstructor;\r\n } else {\r\n return undefined;\r\n }\r\n})();\r\n","\n/**\n * Module exports.\n */\n\nmodule.exports = on;\n\n/**\n * Helper for subscriptions.\n *\n * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n * @param {String} event name\n * @param {Function} callback\n * @api public\n */\n\nfunction on (obj, ev, fn) {\n obj.on(ev, fn);\n return {\n destroy: function () {\n obj.removeListener(ev, fn);\n }\n };\n}\n","module.exports = (function () {\n if (typeof self !== 'undefined') {\n return self;\n } else if (typeof window !== 'undefined') {\n return window;\n } else {\n return Function('return this')(); // eslint-disable-line no-new-func\n }\n})();\n","/**\n * Module dependencies.\n */\n\nvar transports = require('./transports/index');\nvar Emitter = require('component-emitter');\nvar debug = require('debug')('engine.io-client:socket');\nvar index = require('indexof');\nvar parser = require('engine.io-parser');\nvar parseuri = require('parseuri');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Socket;\n\n/**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n\nfunction Socket (uri, opts) {\n if (!(this instanceof Socket)) return new Socket(uri, opts);\n\n opts = opts || {};\n\n if (uri && 'object' === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure = null != opts.secure ? opts.secure\n : (typeof location !== 'undefined' && 'https:' === location.protocol);\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? '443' : '80';\n }\n\n this.agent = opts.agent || false;\n this.hostname = opts.hostname ||\n (typeof location !== 'undefined' ? location.hostname : 'localhost');\n this.port = opts.port || (typeof location !== 'undefined' && location.port\n ? location.port\n : (this.secure ? 443 : 80));\n this.query = opts.query || {};\n if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n this.upgrade = false !== opts.upgrade;\n this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n this.forceJSONP = !!opts.forceJSONP;\n this.jsonp = false !== opts.jsonp;\n this.forceBase64 = !!opts.forceBase64;\n this.enablesXDR = !!opts.enablesXDR;\n this.withCredentials = false !== opts.withCredentials;\n this.timestampParam = opts.timestampParam || 't';\n this.timestampRequests = opts.timestampRequests;\n this.transports = opts.transports || ['polling', 'websocket'];\n this.transportOptions = opts.transportOptions || {};\n this.readyState = '';\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.policyPort = opts.policyPort || 843;\n this.rememberUpgrade = opts.rememberUpgrade || false;\n this.binaryType = null;\n this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\n if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n this.perMessageDeflate.threshold = 1024;\n }\n\n // SSL options for Node.js client\n this.pfx = opts.pfx || undefined;\n this.key = opts.key || undefined;\n this.passphrase = opts.passphrase || undefined;\n this.cert = opts.cert || undefined;\n this.ca = opts.ca || undefined;\n this.ciphers = opts.ciphers || undefined;\n this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n this.forceNode = !!opts.forceNode;\n\n // detect ReactNative environment\n this.isReactNative = (typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative');\n\n // other options for Node.js or ReactNative client\n if (typeof self === 'undefined' || this.isReactNative) {\n if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n this.extraHeaders = opts.extraHeaders;\n }\n\n if (opts.localAddress) {\n this.localAddress = opts.localAddress;\n }\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingIntervalTimer = null;\n this.pingTimeoutTimer = null;\n\n this.open();\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nSocket.Socket = Socket;\nSocket.Transport = require('./transport');\nSocket.transports = require('./transports/index');\nSocket.parser = require('engine.io-parser');\n\n/**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n\nSocket.prototype.createTransport = function (name) {\n debug('creating transport \"%s\"', name);\n var query = clone(this.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // per-transport options\n var options = this.transportOptions[name] || {};\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n var transport = new transports[name]({\n query: query,\n socket: this,\n agent: options.agent || this.agent,\n hostname: options.hostname || this.hostname,\n port: options.port || this.port,\n secure: options.secure || this.secure,\n path: options.path || this.path,\n forceJSONP: options.forceJSONP || this.forceJSONP,\n jsonp: options.jsonp || this.jsonp,\n forceBase64: options.forceBase64 || this.forceBase64,\n enablesXDR: options.enablesXDR || this.enablesXDR,\n withCredentials: options.withCredentials || this.withCredentials,\n timestampRequests: options.timestampRequests || this.timestampRequests,\n timestampParam: options.timestampParam || this.timestampParam,\n policyPort: options.policyPort || this.policyPort,\n pfx: options.pfx || this.pfx,\n key: options.key || this.key,\n passphrase: options.passphrase || this.passphrase,\n cert: options.cert || this.cert,\n ca: options.ca || this.ca,\n ciphers: options.ciphers || this.ciphers,\n rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n extraHeaders: options.extraHeaders || this.extraHeaders,\n forceNode: options.forceNode || this.forceNode,\n localAddress: options.localAddress || this.localAddress,\n requestTimeout: options.requestTimeout || this.requestTimeout,\n protocols: options.protocols || void (0),\n isReactNative: this.isReactNative\n });\n\n return transport;\n};\n\nfunction clone (obj) {\n var o = {};\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\n/**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\nSocket.prototype.open = function () {\n var transport;\n if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n transport = 'websocket';\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n var self = this;\n setTimeout(function () {\n self.emit('error', 'No transports available');\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = 'opening';\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n};\n\n/**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n\nSocket.prototype.setTransport = function (transport) {\n debug('setting transport %s', transport.name);\n var self = this;\n\n if (this.transport) {\n debug('clearing existing transport %s', this.transport.name);\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on('drain', function () {\n self.onDrain();\n })\n .on('packet', function (packet) {\n self.onPacket(packet);\n })\n .on('error', function (e) {\n self.onError(e);\n })\n .on('close', function () {\n self.onClose('transport close');\n });\n};\n\n/**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n\nSocket.prototype.probe = function (name) {\n debug('probing transport \"%s\"', name);\n var transport = this.createTransport(name, { probe: 1 });\n var failed = false;\n var self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen () {\n if (self.onlyBinaryUpgrades) {\n var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n debug('probe transport \"%s\" opened', name);\n transport.send([{ type: 'ping', data: 'probe' }]);\n transport.once('packet', function (msg) {\n if (failed) return;\n if ('pong' === msg.type && 'probe' === msg.data) {\n debug('probe transport \"%s\" pong', name);\n self.upgrading = true;\n self.emit('upgrading', transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\n debug('pausing current transport \"%s\"', self.transport.name);\n self.transport.pause(function () {\n if (failed) return;\n if ('closed' === self.readyState) return;\n debug('changing transport and sending upgrade packet');\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: 'upgrade' }]);\n self.emit('upgrade', transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n debug('probe transport \"%s\" failed', name);\n var err = new Error('probe error');\n err.transport = transport.name;\n self.emit('upgradeError', err);\n }\n });\n }\n\n function freezeTransport () {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror (err) {\n var error = new Error('probe error: ' + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n debug('probe transport \"%s\" failed because of error: %s', name, err);\n\n self.emit('upgradeError', error);\n }\n\n function onTransportClose () {\n onerror('transport closed');\n }\n\n // When the socket is closed while we're probing\n function onclose () {\n onerror('socket closed');\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade (to) {\n if (transport && to.name !== transport.name) {\n debug('\"%s\" works - aborting \"%s\"', to.name, transport.name);\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup () {\n transport.removeListener('open', onTransportOpen);\n transport.removeListener('error', onerror);\n transport.removeListener('close', onTransportClose);\n self.removeListener('close', onclose);\n self.removeListener('upgrading', onupgrade);\n }\n\n transport.once('open', onTransportOpen);\n transport.once('error', onerror);\n transport.once('close', onTransportClose);\n\n this.once('close', onclose);\n this.once('upgrading', onupgrade);\n\n transport.open();\n};\n\n/**\n * Called when connection is deemed open.\n *\n * @api public\n */\n\nSocket.prototype.onOpen = function () {\n debug('socket open');\n this.readyState = 'open';\n Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n this.emit('open');\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n debug('starting upgrade probes');\n for (var i = 0, l = this.upgrades.length; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n};\n\n/**\n * Handles a packet.\n *\n * @api private\n */\n\nSocket.prototype.onPacket = function (packet) {\n if ('opening' === this.readyState || 'open' === this.readyState ||\n 'closing' === this.readyState) {\n debug('socket receive: type \"%s\", data \"%s\"', packet.type, packet.data);\n\n this.emit('packet', packet);\n\n // Socket is live - any packet counts\n this.emit('heartbeat');\n\n switch (packet.type) {\n case 'open':\n this.onHandshake(JSON.parse(packet.data));\n break;\n\n case 'pong':\n this.setPing();\n this.emit('pong');\n break;\n\n case 'error':\n var err = new Error('server error');\n err.code = packet.data;\n this.onError(err);\n break;\n\n case 'message':\n this.emit('data', packet.data);\n this.emit('message', packet.data);\n break;\n }\n } else {\n debug('packet received with socket readyState \"%s\"', this.readyState);\n }\n};\n\n/**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n\nSocket.prototype.onHandshake = function (data) {\n this.emit('handshake', data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if ('closed' === this.readyState) return;\n this.setPing();\n\n // Prolong liveness of socket on heartbeat\n this.removeListener('heartbeat', this.onHeartbeat);\n this.on('heartbeat', this.onHeartbeat);\n};\n\n/**\n * Resets ping timeout.\n *\n * @api private\n */\n\nSocket.prototype.onHeartbeat = function (timeout) {\n clearTimeout(this.pingTimeoutTimer);\n var self = this;\n self.pingTimeoutTimer = setTimeout(function () {\n if ('closed' === self.readyState) return;\n self.onClose('ping timeout');\n }, timeout || (self.pingInterval + self.pingTimeout));\n};\n\n/**\n * Pings server every `this.pingInterval` and expects response\n * within `this.pingTimeout` or closes connection.\n *\n * @api private\n */\n\nSocket.prototype.setPing = function () {\n var self = this;\n clearTimeout(self.pingIntervalTimer);\n self.pingIntervalTimer = setTimeout(function () {\n debug('writing ping packet - expecting pong within %sms', self.pingTimeout);\n self.ping();\n self.onHeartbeat(self.pingTimeout);\n }, self.pingInterval);\n};\n\n/**\n* Sends a ping packet.\n*\n* @api private\n*/\n\nSocket.prototype.ping = function () {\n var self = this;\n this.sendPacket('ping', function () {\n self.emit('ping');\n });\n};\n\n/**\n * Called on `drain` event\n *\n * @api private\n */\n\nSocket.prototype.onDrain = function () {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit('drain');\n } else {\n this.flush();\n }\n};\n\n/**\n * Flush write buffers.\n *\n * @api private\n */\n\nSocket.prototype.flush = function () {\n if ('closed' !== this.readyState && this.transport.writable &&\n !this.upgrading && this.writeBuffer.length) {\n debug('flushing %d packets in socket', this.writeBuffer.length);\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit('flush');\n }\n};\n\n/**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n\nSocket.prototype.write =\nSocket.prototype.send = function (msg, options, fn) {\n this.sendPacket('message', msg, options, fn);\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n\nSocket.prototype.sendPacket = function (type, data, options, fn) {\n if ('function' === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if ('function' === typeof options) {\n fn = options;\n options = null;\n }\n\n if ('closing' === this.readyState || 'closed' === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n var packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit('packetCreate', packet);\n this.writeBuffer.push(packet);\n if (fn) this.once('flush', fn);\n this.flush();\n};\n\n/**\n * Closes the connection.\n *\n * @api private\n */\n\nSocket.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.readyState = 'closing';\n\n var self = this;\n\n if (this.writeBuffer.length) {\n this.once('drain', function () {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close () {\n self.onClose('forced close');\n debug('socket closing - telling transport to close');\n self.transport.close();\n }\n\n function cleanupAndClose () {\n self.removeListener('upgrade', cleanupAndClose);\n self.removeListener('upgradeError', cleanupAndClose);\n close();\n }\n\n function waitForUpgrade () {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once('upgrade', cleanupAndClose);\n self.once('upgradeError', cleanupAndClose);\n }\n\n return this;\n};\n\n/**\n * Called upon transport error\n *\n * @api private\n */\n\nSocket.prototype.onError = function (err) {\n debug('socket error %j', err);\n Socket.priorWebsocketSuccess = false;\n this.emit('error', err);\n this.onClose('transport error', err);\n};\n\n/**\n * Called upon transport close.\n *\n * @api private\n */\n\nSocket.prototype.onClose = function (reason, desc) {\n if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n debug('socket close with reason: \"%s\"', reason);\n var self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners('close');\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = 'closed';\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit('close', reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n};\n\n/**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n\nSocket.prototype.filterUpgrades = function (upgrades) {\n var filteredUpgrades = [];\n for (var i = 0, j = upgrades.length; i < j; i++) {\n if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n};\n","// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,\n// backported and transplited with Babel, with backwards-compat fixes\n\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n // if the path tries to go above the root, `up` ends up > 0\n var up = 0;\n for (var i = parts.length - 1; i >= 0; i--) {\n var last = parts[i];\n if (last === '.') {\n parts.splice(i, 1);\n } else if (last === '..') {\n parts.splice(i, 1);\n up++;\n } else if (up) {\n parts.splice(i, 1);\n up--;\n }\n }\n\n // if the path is allowed to go above the root, restore leading ..s\n if (allowAboveRoot) {\n for (; up--; up) {\n parts.unshift('..');\n }\n }\n\n return parts;\n}\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\n var resolvedPath = '',\n resolvedAbsolute = false;\n\n for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {\n var path = (i >= 0) ? arguments[i] : process.cwd();\n\n // Skip empty and invalid entries\n if (typeof path !== 'string') {\n throw new TypeError('Arguments to path.resolve must be strings');\n } else if (!path) {\n continue;\n }\n\n resolvedPath = path + '/' + resolvedPath;\n resolvedAbsolute = path.charAt(0) === '/';\n }\n\n // At this point the path should be resolved to a full absolute path, but\n // handle relative paths to be safe (might happen when process.cwd() fails)\n\n // Normalize the path\n resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n return !!p;\n }), !resolvedAbsolute).join('/');\n\n return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\n var isAbsolute = exports.isAbsolute(path),\n trailingSlash = substr(path, -1) === '/';\n\n // Normalize the path\n path = normalizeArray(filter(path.split('/'), function(p) {\n return !!p;\n }), !isAbsolute).join('/');\n\n if (!path && !isAbsolute) {\n path = '.';\n }\n if (path && trailingSlash) {\n path += '/';\n }\n\n return (isAbsolute ? '/' : '') + path;\n};\n\n// posix version\nexports.isAbsolute = function(path) {\n return path.charAt(0) === '/';\n};\n\n// posix version\nexports.join = function() {\n var paths = Array.prototype.slice.call(arguments, 0);\n return exports.normalize(filter(paths, function(p, index) {\n if (typeof p !== 'string') {\n throw new TypeError('Arguments to path.join must be strings');\n }\n return p;\n }).join('/'));\n};\n\n\n// path.relative(from, to)\n// posix version\nexports.relative = function(from, to) {\n from = exports.resolve(from).substr(1);\n to = exports.resolve(to).substr(1);\n\n function trim(arr) {\n var start = 0;\n for (; start < arr.length; start++) {\n if (arr[start] !== '') break;\n }\n\n var end = arr.length - 1;\n for (; end >= 0; end--) {\n if (arr[end] !== '') break;\n }\n\n if (start > end) return [];\n return arr.slice(start, end - start + 1);\n }\n\n var fromParts = trim(from.split('/'));\n var toParts = trim(to.split('/'));\n\n var length = Math.min(fromParts.length, toParts.length);\n var samePartsLength = length;\n for (var i = 0; i < length; i++) {\n if (fromParts[i] !== toParts[i]) {\n samePartsLength = i;\n break;\n }\n }\n\n var outputParts = [];\n for (var i = samePartsLength; i < fromParts.length; i++) {\n outputParts.push('..');\n }\n\n outputParts = outputParts.concat(toParts.slice(samePartsLength));\n\n return outputParts.join('/');\n};\n\nexports.sep = '/';\nexports.delimiter = ':';\n\nexports.dirname = function (path) {\n if (typeof path !== 'string') path = path + '';\n if (path.length === 0) return '.';\n var code = path.charCodeAt(0);\n var hasRoot = code === 47 /*/*/;\n var end = -1;\n var matchedSlash = true;\n for (var i = path.length - 1; i >= 1; --i) {\n code = path.charCodeAt(i);\n if (code === 47 /*/*/) {\n if (!matchedSlash) {\n end = i;\n break;\n }\n } else {\n // We saw the first non-path separator\n matchedSlash = false;\n }\n }\n\n if (end === -1) return hasRoot ? '/' : '.';\n if (hasRoot && end === 1) {\n // return '//';\n // Backwards-compat fix:\n return '/';\n }\n return path.slice(0, end);\n};\n\nfunction basename(path) {\n if (typeof path !== 'string') path = path + '';\n\n var start = 0;\n var end = -1;\n var matchedSlash = true;\n var i;\n\n for (i = path.length - 1; i >= 0; --i) {\n if (path.charCodeAt(i) === 47 /*/*/) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now\n if (!matchedSlash) {\n start = i + 1;\n break;\n }\n } else if (end === -1) {\n // We saw the first non-path separator, mark this as the end of our\n // path component\n matchedSlash = false;\n end = i + 1;\n }\n }\n\n if (end === -1) return '';\n return path.slice(start, end);\n}\n\n// Uses a mixed approach for backwards-compatibility, as ext behavior changed\n// in new Node.js versions, so only basename() above is backported here\nexports.basename = function (path, ext) {\n var f = basename(path);\n if (ext && f.substr(-1 * ext.length) === ext) {\n f = f.substr(0, f.length - ext.length);\n }\n return f;\n};\n\nexports.extname = function (path) {\n if (typeof path !== 'string') path = path + '';\n var startDot = -1;\n var startPart = 0;\n var end = -1;\n var matchedSlash = true;\n // Track the state of characters (if any) we see before our first dot and\n // after any path separator we find\n var preDotState = 0;\n for (var i = path.length - 1; i >= 0; --i) {\n var code = path.charCodeAt(i);\n if (code === 47 /*/*/) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now\n if (!matchedSlash) {\n startPart = i + 1;\n break;\n }\n continue;\n }\n if (end === -1) {\n // We saw the first non-path separator, mark this as the end of our\n // extension\n matchedSlash = false;\n end = i + 1;\n }\n if (code === 46 /*.*/) {\n // If this is our first dot, mark it as the start of our extension\n if (startDot === -1)\n startDot = i;\n else if (preDotState !== 1)\n preDotState = 1;\n } else if (startDot !== -1) {\n // We saw a non-dot and non-path separator before our dot, so we should\n // have a good chance at having a non-empty extension\n preDotState = -1;\n }\n }\n\n if (startDot === -1 || end === -1 ||\n // We saw a non-dot character immediately before the dot\n preDotState === 0 ||\n // The (right-most) trimmed path component is exactly '..'\n preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n return '';\n }\n return path.slice(startDot, end);\n};\n\nfunction filter (xs, f) {\n if (xs.filter) return xs.filter(f);\n var res = [];\n for (var i = 0; i < xs.length; i++) {\n if (f(xs[i], i, xs)) res.push(xs[i]);\n }\n return res;\n}\n\n// String.prototype.substr - negative index don't work in IE8\nvar substr = 'ab'.substr(-1) === 'b'\n ? function (str, start, len) { return str.substr(start, len) }\n : function (str, start, len) {\n if (start < 0) start = str.length + start;\n return str.substr(start, len);\n }\n;\n","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n","/**\n * This is the web browser implementation of `debug()`.\n *\n * Expose `debug()` as the module.\n */\n\nexports = module.exports = require('./debug');\nexports.log = log;\nexports.formatArgs = formatArgs;\nexports.save = save;\nexports.load = load;\nexports.useColors = useColors;\nexports.storage = 'undefined' != typeof chrome\n && 'undefined' != typeof chrome.storage\n ? chrome.storage.local\n : localstorage();\n\n/**\n * Colors.\n */\n\nexports.colors = [\n '#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC',\n '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF',\n '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC',\n '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF',\n '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC',\n '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033',\n '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366',\n '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933',\n '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC',\n '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF',\n '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'\n];\n\n/**\n * Currently only WebKit-based Web Inspectors, Firefox >= v31,\n * and the Firebug extension (any Firefox version) are known\n * to support \"%c\" CSS customizations.\n *\n * TODO: add a `localStorage` variable to explicitly enable/disable colors\n */\n\nfunction useColors() {\n // NB: In an Electron preload script, document will be defined but not fully\n // initialized. Since we know we're in Chrome, we'll just detect this case\n // explicitly\n if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {\n return true;\n }\n\n // Internet Explorer and Edge do not support colors.\n if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\\/(\\d+)/)) {\n return false;\n }\n\n // is webkit? http://stackoverflow.com/a/16459606/376773\n // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632\n return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||\n // is firebug? http://stackoverflow.com/a/398120/376773\n (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||\n // is firefox >= v31?\n // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\\/(\\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||\n // double check webkit in userAgent just in case we are in a worker\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\\/(\\d+)/));\n}\n\n/**\n * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.\n */\n\nexports.formatters.j = function(v) {\n try {\n return JSON.stringify(v);\n } catch (err) {\n return '[UnexpectedJSONParseError]: ' + err.message;\n }\n};\n\n\n/**\n * Colorize log arguments if enabled.\n *\n * @api public\n */\n\nfunction formatArgs(args) {\n var useColors = this.useColors;\n\n args[0] = (useColors ? '%c' : '')\n + this.namespace\n + (useColors ? ' %c' : ' ')\n + args[0]\n + (useColors ? '%c ' : ' ')\n + '+' + exports.humanize(this.diff);\n\n if (!useColors) return;\n\n var c = 'color: ' + this.color;\n args.splice(1, 0, c, 'color: inherit')\n\n // the final \"%c\" is somewhat tricky, because there could be other\n // arguments passed either before or after the %c, so we need to\n // figure out the correct index to insert the CSS into\n var index = 0;\n var lastC = 0;\n args[0].replace(/%[a-zA-Z%]/g, function(match) {\n if ('%%' === match) return;\n index++;\n if ('%c' === match) {\n // we only are interested in the *last* %c\n // (the user may have provided their own)\n lastC = index;\n }\n });\n\n args.splice(lastC, 0, c);\n}\n\n/**\n * Invokes `console.log()` when available.\n * No-op when `console.log` is not a \"function\".\n *\n * @api public\n */\n\nfunction log() {\n // this hackery is required for IE8/9, where\n // the `console.log` function doesn't have 'apply'\n return 'object' === typeof console\n && console.log\n && Function.prototype.apply.call(console.log, console, arguments);\n}\n\n/**\n * Save `namespaces`.\n *\n * @param {String} namespaces\n * @api private\n */\n\nfunction save(namespaces) {\n try {\n if (null == namespaces) {\n exports.storage.removeItem('debug');\n } else {\n exports.storage.debug = namespaces;\n }\n } catch(e) {}\n}\n\n/**\n * Load `namespaces`.\n *\n * @return {String} returns the previously persisted debug modes\n * @api private\n */\n\nfunction load() {\n var r;\n try {\n r = exports.storage.debug;\n } catch(e) {}\n\n // If debug isn't set in LS, and we're in Electron, try to load $DEBUG\n if (!r && typeof process !== 'undefined' && 'env' in process) {\n r = process.env.DEBUG;\n }\n\n return r;\n}\n\n/**\n * Enable namespaces listed in `localStorage.debug` initially.\n */\n\nexports.enable(load());\n\n/**\n * Localstorage attempts to return the localstorage.\n *\n * This is necessary because safari throws\n * when a user disables cookies/localstorage\n * and you attempt to access it.\n *\n * @return {LocalStorage}\n * @api private\n */\n\nfunction localstorage() {\n try {\n return window.localStorage;\n } catch (e) {}\n}\n","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n","\nvar indexOf = [].indexOf;\n\nmodule.exports = function(arr, obj){\n if (indexOf) return arr.indexOf(obj);\n for (var i = 0; i < arr.length; ++i) {\n if (arr[i] === obj) return i;\n }\n return -1;\n};","\nmodule.exports = isBuf;\n\nvar withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';\nvar withNativeArrayBuffer = typeof ArrayBuffer === 'function';\n\nvar isView = function (obj) {\n return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);\n};\n\n/**\n * Returns true if obj is a buffer or an arraybuffer.\n *\n * @api private\n */\n\nfunction isBuf(obj) {\n return (withNativeBuffer && Buffer.isBuffer(obj)) ||\n (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));\n}\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\nvar R = typeof Reflect === 'object' ? Reflect : null\nvar ReflectApply = R && typeof R.apply === 'function'\n ? R.apply\n : function ReflectApply(target, receiver, args) {\n return Function.prototype.apply.call(target, receiver, args);\n }\n\nvar ReflectOwnKeys\nif (R && typeof R.ownKeys === 'function') {\n ReflectOwnKeys = R.ownKeys\n} else if (Object.getOwnPropertySymbols) {\n ReflectOwnKeys = function ReflectOwnKeys(target) {\n return Object.getOwnPropertyNames(target)\n .concat(Object.getOwnPropertySymbols(target));\n };\n} else {\n ReflectOwnKeys = function ReflectOwnKeys(target) {\n return Object.getOwnPropertyNames(target);\n };\n}\n\nfunction ProcessEmitWarning(warning) {\n if (console && console.warn) console.warn(warning);\n}\n\nvar NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {\n return value !== value;\n}\n\nfunction EventEmitter() {\n EventEmitter.init.call(this);\n}\nmodule.exports = EventEmitter;\nmodule.exports.once = once;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._eventsCount = 0;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nvar defaultMaxListeners = 10;\n\nfunction checkListener(listener) {\n if (typeof listener !== 'function') {\n throw new TypeError('The \"listener\" argument must be of type Function. Received type ' + typeof listener);\n }\n}\n\nObject.defineProperty(EventEmitter, 'defaultMaxListeners', {\n enumerable: true,\n get: function() {\n return defaultMaxListeners;\n },\n set: function(arg) {\n if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {\n throw new RangeError('The value of \"defaultMaxListeners\" is out of range. It must be a non-negative number. Received ' + arg + '.');\n }\n defaultMaxListeners = arg;\n }\n});\n\nEventEmitter.init = function() {\n\n if (this._events === undefined ||\n this._events === Object.getPrototypeOf(this)._events) {\n this._events = Object.create(null);\n this._eventsCount = 0;\n }\n\n this._maxListeners = this._maxListeners || undefined;\n};\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {\n if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {\n throw new RangeError('The value of \"n\" is out of range. It must be a non-negative number. Received ' + n + '.');\n }\n this._maxListeners = n;\n return this;\n};\n\nfunction _getMaxListeners(that) {\n if (that._maxListeners === undefined)\n return EventEmitter.defaultMaxListeners;\n return that._maxListeners;\n}\n\nEventEmitter.prototype.getMaxListeners = function getMaxListeners() {\n return _getMaxListeners(this);\n};\n\nEventEmitter.prototype.emit = function emit(type) {\n var args = [];\n for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);\n var doError = (type === 'error');\n\n var events = this._events;\n if (events !== undefined)\n doError = (doError && events.error === undefined);\n else if (!doError)\n return false;\n\n // If there is no 'error' event listener then throw.\n if (doError) {\n var er;\n if (args.length > 0)\n er = args[0];\n if (er instanceof Error) {\n // Note: The comments on the `throw` lines are intentional, they show\n // up in Node's output if this results in an unhandled exception.\n throw er; // Unhandled 'error' event\n }\n // At least give some kind of context to the user\n var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));\n err.context = er;\n throw err; // Unhandled 'error' event\n }\n\n var handler = events[type];\n\n if (handler === undefined)\n return false;\n\n if (typeof handler === 'function') {\n ReflectApply(handler, this, args);\n } else {\n var len = handler.length;\n var listeners = arrayClone(handler, len);\n for (var i = 0; i < len; ++i)\n ReflectApply(listeners[i], this, args);\n }\n\n return true;\n};\n\nfunction _addListener(target, type, listener, prepend) {\n var m;\n var events;\n var existing;\n\n checkListener(listener);\n\n events = target._events;\n if (events === undefined) {\n events = target._events = Object.create(null);\n target._eventsCount = 0;\n } else {\n // To avoid recursion in the case that type === \"newListener\"! Before\n // adding it to the listeners, first emit \"newListener\".\n if (events.newListener !== undefined) {\n target.emit('newListener', type,\n listener.listener ? listener.listener : listener);\n\n // Re-assign `events` because a newListener handler could have caused the\n // this._events to be assigned to a new object\n events = target._events;\n }\n existing = events[type];\n }\n\n if (existing === undefined) {\n // Optimize the case of one listener. Don't need the extra array object.\n existing = events[type] = listener;\n ++target._eventsCount;\n } else {\n if (typeof existing === 'function') {\n // Adding the second element, need to change to array.\n existing = events[type] =\n prepend ? [listener, existing] : [existing, listener];\n // If we've already got an array, just append.\n } else if (prepend) {\n existing.unshift(listener);\n } else {\n existing.push(listener);\n }\n\n // Check for listener leak\n m = _getMaxListeners(target);\n if (m > 0 && existing.length > m && !existing.warned) {\n existing.warned = true;\n // No error code for this since it is a Warning\n // eslint-disable-next-line no-restricted-syntax\n var w = new Error('Possible EventEmitter memory leak detected. ' +\n existing.length + ' ' + String(type) + ' listeners ' +\n 'added. Use emitter.setMaxListeners() to ' +\n 'increase limit');\n w.name = 'MaxListenersExceededWarning';\n w.emitter = target;\n w.type = type;\n w.count = existing.length;\n ProcessEmitWarning(w);\n }\n }\n\n return target;\n}\n\nEventEmitter.prototype.addListener = function addListener(type, listener) {\n return _addListener(this, type, listener, false);\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.prependListener =\n function prependListener(type, listener) {\n return _addListener(this, type, listener, true);\n };\n\nfunction onceWrapper() {\n if (!this.fired) {\n this.target.removeListener(this.type, this.wrapFn);\n this.fired = true;\n if (arguments.length === 0)\n return this.listener.call(this.target);\n return this.listener.apply(this.target, arguments);\n }\n}\n\nfunction _onceWrap(target, type, listener) {\n var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };\n var wrapped = onceWrapper.bind(state);\n wrapped.listener = listener;\n state.wrapFn = wrapped;\n return wrapped;\n}\n\nEventEmitter.prototype.once = function once(type, listener) {\n checkListener(listener);\n this.on(type, _onceWrap(this, type, listener));\n return this;\n};\n\nEventEmitter.prototype.prependOnceListener =\n function prependOnceListener(type, listener) {\n checkListener(listener);\n this.prependListener(type, _onceWrap(this, type, listener));\n return this;\n };\n\n// Emits a 'removeListener' event if and only if the listener was removed.\nEventEmitter.prototype.removeListener =\n function removeListener(type, listener) {\n var list, events, position, i, originalListener;\n\n checkListener(listener);\n\n events = this._events;\n if (events === undefined)\n return this;\n\n list = events[type];\n if (list === undefined)\n return this;\n\n if (list === listener || list.listener === listener) {\n if (--this._eventsCount === 0)\n this._events = Object.create(null);\n else {\n delete events[type];\n if (events.removeListener)\n this.emit('removeListener', type, list.listener || listener);\n }\n } else if (typeof list !== 'function') {\n position = -1;\n\n for (i = list.length - 1; i >= 0; i--) {\n if (list[i] === listener || list[i].listener === listener) {\n originalListener = list[i].listener;\n position = i;\n break;\n }\n }\n\n if (position < 0)\n return this;\n\n if (position === 0)\n list.shift();\n else {\n spliceOne(list, position);\n }\n\n if (list.length === 1)\n events[type] = list[0];\n\n if (events.removeListener !== undefined)\n this.emit('removeListener', type, originalListener || listener);\n }\n\n return this;\n };\n\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\n\nEventEmitter.prototype.removeAllListeners =\n function removeAllListeners(type) {\n var listeners, events, i;\n\n events = this._events;\n if (events === undefined)\n return this;\n\n // not listening for removeListener, no need to emit\n if (events.removeListener === undefined) {\n if (arguments.length === 0) {\n this._events = Object.create(null);\n this._eventsCount = 0;\n } else if (events[type] !== undefined) {\n if (--this._eventsCount === 0)\n this._events = Object.create(null);\n else\n delete events[type];\n }\n return this;\n }\n\n // emit removeListener for all listeners on all events\n if (arguments.length === 0) {\n var keys = Object.keys(events);\n var key;\n for (i = 0; i < keys.length; ++i) {\n key = keys[i];\n if (key === 'removeListener') continue;\n this.removeAllListeners(key);\n }\n this.removeAllListeners('removeListener');\n this._events = Object.create(null);\n this._eventsCount = 0;\n return this;\n }\n\n listeners = events[type];\n\n if (typeof listeners === 'function') {\n this.removeListener(type, listeners);\n } else if (listeners !== undefined) {\n // LIFO order\n for (i = listeners.length - 1; i >= 0; i--) {\n this.removeListener(type, listeners[i]);\n }\n }\n\n return this;\n };\n\nfunction _listeners(target, type, unwrap) {\n var events = target._events;\n\n if (events === undefined)\n return [];\n\n var evlistener = events[type];\n if (evlistener === undefined)\n return [];\n\n if (typeof evlistener === 'function')\n return unwrap ? [evlistener.listener || evlistener] : [evlistener];\n\n return unwrap ?\n unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);\n}\n\nEventEmitter.prototype.listeners = function listeners(type) {\n return _listeners(this, type, true);\n};\n\nEventEmitter.prototype.rawListeners = function rawListeners(type) {\n return _listeners(this, type, false);\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n if (typeof emitter.listenerCount === 'function') {\n return emitter.listenerCount(type);\n } else {\n return listenerCount.call(emitter, type);\n }\n};\n\nEventEmitter.prototype.listenerCount = listenerCount;\nfunction listenerCount(type) {\n var events = this._events;\n\n if (events !== undefined) {\n var evlistener = events[type];\n\n if (typeof evlistener === 'function') {\n return 1;\n } else if (evlistener !== undefined) {\n return evlistener.length;\n }\n }\n\n return 0;\n}\n\nEventEmitter.prototype.eventNames = function eventNames() {\n return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];\n};\n\nfunction arrayClone(arr, n) {\n var copy = new Array(n);\n for (var i = 0; i < n; ++i)\n copy[i] = arr[i];\n return copy;\n}\n\nfunction spliceOne(list, index) {\n for (; index + 1 < list.length; index++)\n list[index] = list[index + 1];\n list.pop();\n}\n\nfunction unwrapListeners(arr) {\n var ret = new Array(arr.length);\n for (var i = 0; i < ret.length; ++i) {\n ret[i] = arr[i].listener || arr[i];\n }\n return ret;\n}\n\nfunction once(emitter, name) {\n return new Promise(function (resolve, reject) {\n function errorListener(err) {\n emitter.removeListener(name, resolver);\n reject(err);\n }\n\n function resolver() {\n if (typeof emitter.removeListener === 'function') {\n emitter.removeListener('error', errorListener);\n }\n resolve([].slice.call(arguments));\n };\n\n eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });\n if (name !== 'error') {\n addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });\n }\n });\n}\n\nfunction addErrorHandlerIfEventEmitter(emitter, handler, flags) {\n if (typeof emitter.on === 'function') {\n eventTargetAgnosticAddListener(emitter, 'error', handler, flags);\n }\n}\n\nfunction eventTargetAgnosticAddListener(emitter, name, listener, flags) {\n if (typeof emitter.on === 'function') {\n if (flags.once) {\n emitter.once(name, listener);\n } else {\n emitter.on(name, listener);\n }\n } else if (typeof emitter.addEventListener === 'function') {\n // EventTarget does not have `error` event semantics like Node\n // EventEmitters, we do not listen for `error` events here.\n emitter.addEventListener(name, function wrapListener(arg) {\n // IE does not have builtin `{ once: true }` support so we\n // have to do it manually.\n if (flags.once) {\n emitter.removeEventListener(name, wrapListener);\n }\n listener(arg);\n });\n } else {\n throw new TypeError('The \"emitter\" argument must be of type EventEmitter. Received type ' + typeof emitter);\n }\n}\n"],"sourceRoot":""}