mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
synced 2024-11-01 14:21:10 +00:00
1 line
54 KiB
Plaintext
1 line
54 KiB
Plaintext
{"version":3,"sources":["webpack:///./node_modules/intersection-observer/intersection-observer.js","webpack:///./node_modules/requestidlecallback/index.js","webpack:///./node_modules/object-fit-images/dist/ofi.common-js.js","webpack:///app/javascript/tank/sources/git/git.pleroma.social/pleroma/mastofe/app/javascript/flavours/glitch/util/extra_polyfills.js","webpack:///app/javascript/tank/sources/git/git.pleroma.social/pleroma/mastofe/app/javascript/mastodon/extra_polyfills.js"],"names":["window","IntersectionObserverEntry","prototype","Object","defineProperty","get","this","intersectionRatio","document","registry","IntersectionObserver","THROTTLE_TIMEOUT","POLL_INTERVAL","USE_MUTATION_OBSERVER","observe","target","_observationTargets","some","item","element","nodeType","Error","_registerInstance","push","entry","_monitorIntersections","_checkForIntersections","unobserve","filter","length","_unmonitorIntersections","_unregisterInstance","disconnect","takeRecords","records","_queuedEntries","slice","_initThresholds","opt_threshold","threshold","Array","isArray","sort","t","i","a","isNaN","_parseRootMargin","opt_rootMargin","margins","split","map","margin","parts","exec","value","parseFloat","unit","_monitoringIntersections","_monitoringInterval","setInterval","addEvent","_domObserver","MutationObserver","attributes","childList","characterData","subtree","clearInterval","removeEvent","rootIsInDom","_rootIsInDom","rootRect","_getRootRect","top","bottom","left","right","width","height","forEach","targetRect","getBoundingClientRect","rootContainsTarget","_rootContainsTarget","oldEntry","intersectionRect","_computeTargetAndRootIntersection","newEntry","time","performance","now","boundingClientRect","rootBounds","_hasCrossedThreshold","isIntersecting","_callback","getComputedStyle","display","rect1","rect2","parent","getParentNode","atRoot","parentRect","parentComputedStyle","root","body","documentElement","overflow","Math","max","min","html","clientWidth","clientHeight","_expandRectByRootMargin","rect","_rootMarginValues","newRect","oldRatio","newRatio","thresholds","containsDeep","indexOf","index","splice","targetArea","intersectionArea","Number","toFixed","callback","opt_options","fn","timeout","timer","options","bind","setTimeout","rootMargin","join","node","event","opt_useCapture","addEventListener","attachEvent","removeEventListener","detatchEvent","el","err","child","parentNode","host","assignedSlot","scheduleStart","throttleDelay","lazytimer","lazyraf","id","timestamp","check","undefined","global","requestAnimationFrame","cancelRequestAnimationFrame","clearTimeout","tasks","runAttempts","isRunning","remainingTime","minThrottle","throttle","taskStart","tasklength","IdleDeadline","timeRemaining","Date","setInactive","last","onInputorMutation","scheduleLazy","scheduleAfterRaf","runTasks","scheduleRaf","task","len","timeThreshold","shift","requestIdleCallbackShim","cancelIdleCallbackShim","requestIdleCallback","cancelIdleCallback","e","rIC","timeRemainingProto","IdleCallbackDeadline","getOwnPropertyDescriptor","configurable","call","enumerable","name","capture","passive","request","cancel","OFI","propRegex","testImg","Image","style","supportsObjectFit","supportsObjectPosition","supportsOFI","supportsCurrentSrc","currentSrc","nativeGetAttribute","getAttribute","nativeSetAttribute","setAttribute","autoModeEnabled","setPlaceholder","img","placeholder","onImageReady","naturalWidth","fixOne","parsed","fontFamily","props","getStyle","ofi","skipTest","srcset","src","naturalHeight","descriptors","prop","set","ss","keepSrcUsable","console","warn","picturefill","pf","_","ns","evaled","fillImg","reselect","curSrc","supported","polyfillCurrentSrc","backgroundImage","replace","backgroundPosition","backgroundRepeat","backgroundOrigin","test","backgroundSize","fix","imgs","opts","startAutoMode","getElementsByTagName","querySelectorAll","tagName","watchMQ","getOfiImageMaybe","HTMLImageElement","String","hijackAttributes","module","exports","objectFitImages"],"mappings":";8EAQA,WACE,aAEA,GAAsB,iBAAXA,OAMX,GAAI,yBAA0BA,QAAU,8BAA+BA,QAAU,sBAAuBA,OAAOC,0BAA0BC,UAGjI,mBAAoBF,OAAOC,0BAA0BC,WACzDC,OAAOC,eAAeJ,OAAOC,0BAA0BC,UAAW,iBAAkB,CAClFG,IAAK,WACH,OAAOC,KAAKC,kBAAoB,SANxC,CAkBA,IAAIC,EAAWR,OAAOQ,SAQlBC,EAAW,GAwEfC,EAAqBR,UAAUS,iBAAmB,IAOlDD,EAAqBR,UAAUU,cAAgB,KAM/CF,EAAqBR,UAAUW,uBAAwB,EAOvDH,EAAqBR,UAAUY,QAAU,SAAUC,GAKjD,IAJ8BT,KAAKU,oBAAoBC,MAAK,SAAUC,GACpE,OAAOA,EAAKC,SAAWJ,KAGzB,CAIA,IAAMA,GAA6B,GAAnBA,EAAOK,SACrB,MAAM,IAAIC,MAAM,6BAGlBf,KAAKgB,oBAELhB,KAAKU,oBAAoBO,KAAK,CAC5BJ,QAASJ,EACTS,MAAO,OAGTlB,KAAKmB,wBAELnB,KAAKoB,2BAQPhB,EAAqBR,UAAUyB,UAAY,SAAUZ,GACnDT,KAAKU,oBAAsBV,KAAKU,oBAAoBY,QAAO,SAAUV,GACnE,OAAOA,EAAKC,SAAWJ,KAGpBT,KAAKU,oBAAoBa,SAC5BvB,KAAKwB,0BAELxB,KAAKyB,wBAQTrB,EAAqBR,UAAU8B,WAAa,WAC1C1B,KAAKU,oBAAsB,GAE3BV,KAAKwB,0BAELxB,KAAKyB,uBAUPrB,EAAqBR,UAAU+B,YAAc,WAC3C,IAAIC,EAAU5B,KAAK6B,eAAeC,QAGlC,OADA9B,KAAK6B,eAAiB,GACfD,GAaTxB,EAAqBR,UAAUmC,gBAAkB,SAAUC,GACzD,IAAIC,EAAYD,GAAiB,CAAC,GAElC,OADKE,MAAMC,QAAQF,KAAYA,EAAY,CAACA,IACrCA,EAAUG,OAAOd,QAAO,SAAUe,EAAGC,EAAGC,GAC7C,GAAgB,iBAALF,GAAiBG,MAAMH,IAAMA,EAAI,GAAKA,EAAI,EACnD,MAAM,IAAItB,MAAM,0DAGlB,OAAOsB,IAAME,EAAED,EAAI,OAgBvBlC,EAAqBR,UAAU6C,iBAAmB,SAAUC,GAC1D,IACIC,GADeD,GAAkB,OACVE,MAAM,OAAOC,KAAI,SAAUC,GACpD,IAAIC,EAAQ,wBAAwBC,KAAKF,GAEzC,IAAKC,EACH,MAAM,IAAIhC,MAAM,qDAGlB,MAAO,CACLkC,MAAOC,WAAWH,EAAM,IACxBI,KAAMJ,EAAM,OAOhB,OAHAJ,EAAQ,GAAKA,EAAQ,IAAMA,EAAQ,GACnCA,EAAQ,GAAKA,EAAQ,IAAMA,EAAQ,GACnCA,EAAQ,GAAKA,EAAQ,IAAMA,EAAQ,GAC5BA,GASTvC,EAAqBR,UAAUuB,sBAAwB,WAChDnB,KAAKoD,2BACRpD,KAAKoD,0BAA2B,EAG5BpD,KAAKM,cACPN,KAAKqD,oBAAsBC,YAAYtD,KAAKoB,uBAAwBpB,KAAKM,gBAEzEiD,EAAS7D,OAAQ,SAAUM,KAAKoB,wBAAwB,GACxDmC,EAASrD,EAAU,SAAUF,KAAKoB,wBAAwB,GAEtDpB,KAAKO,uBAAyB,qBAAsBb,SACtDM,KAAKwD,aAAe,IAAIC,iBAAiBzD,KAAKoB,wBAE9CpB,KAAKwD,aAAahD,QAAQN,EAAU,CAClCwD,YAAY,EACZC,WAAW,EACXC,eAAe,EACfC,SAAS,QAYnBzD,EAAqBR,UAAU4B,wBAA0B,WACnDxB,KAAKoD,2BACPpD,KAAKoD,0BAA2B,EAChCU,cAAc9D,KAAKqD,qBACnBrD,KAAKqD,oBAAsB,KAC3BU,EAAYrE,OAAQ,SAAUM,KAAKoB,wBAAwB,GAC3D2C,EAAY7D,EAAU,SAAUF,KAAKoB,wBAAwB,GAEzDpB,KAAKwD,eACPxD,KAAKwD,aAAa9B,aAElB1B,KAAKwD,aAAe,QAY1BpD,EAAqBR,UAAUwB,uBAAyB,WACtD,IAAI4C,EAAchE,KAAKiE,eAEnBC,EAAWF,EAAchE,KAAKmE,eA2V3B,CACLC,IAAK,EACLC,OAAQ,EACRC,KAAM,EACNC,MAAO,EACPC,MAAO,EACPC,OAAQ,GA/VVzE,KAAKU,oBAAoBgE,SAAQ,SAAU9D,GACzC,IAAIH,EAASG,EAAKC,QACd8D,EAAaC,EAAsBnE,GAEnCoE,EAAqB7E,KAAK8E,oBAAoBrE,GAE9CsE,EAAWnE,EAAKM,MAEhB8D,EAAmBhB,GAAea,GAAsB7E,KAAKiF,kCAAkCxE,EAAQyD,GAEvGgB,EAAWtE,EAAKM,MAAQ,IAAIvB,EAA0B,CACxDwF,KAqNGzF,OAAO0F,aAAeA,YAAYC,KAAOD,YAAYC,MApNxD5E,OAAQA,EACR6E,mBAAoBX,EACpBY,WAAYrB,EACZc,iBAAkBA,IAGfD,EAEMf,GAAea,EAGpB7E,KAAKwF,qBAAqBT,EAAUG,IACtClF,KAAK6B,eAAeZ,KAAKiE,GAMvBH,GAAYA,EAASU,gBACvBzF,KAAK6B,eAAeZ,KAAKiE,GAZ3BlF,KAAK6B,eAAeZ,KAAKiE,KAe1BlF,MAECA,KAAK6B,eAAeN,QACtBvB,KAAK0F,UAAU1F,KAAK2B,cAAe3B,OAiBvCI,EAAqBR,UAAUqF,kCAAoC,SAAUxE,EAAQyD,GAEnF,GAA+C,QAA3CxE,OAAOiG,iBAAiBlF,GAAQmF,QAApC,CAMA,IALA,IAyO+BC,EAAOC,EAClC1B,EACAC,EACAC,EACAC,EACAC,EACAC,EA9OAO,EADaJ,EAAsBnE,GAEnCsF,EAASC,EAAcvF,GACvBwF,GAAS,GAELA,GAAQ,CACd,IAAIC,EAAa,KACbC,EAAyC,GAAnBJ,EAAOjF,SAAgBpB,OAAOiG,iBAAiBI,GAAU,GAEnF,GAAmC,QAA/BI,EAAoBP,QAAmB,OAiB3C,GAfIG,GAAU/F,KAAKoG,MAAQL,GAAU7F,GACnC+F,GAAS,EACTC,EAAahC,GAMT6B,GAAU7F,EAASmG,MAAQN,GAAU7F,EAASoG,iBAAmD,WAAhCH,EAAoBI,WACvFL,EAAatB,EAAsBmB,IAMnCG,IA+MyBL,EA9MgBK,EA8MTJ,EA9MqBd,EA+MvDZ,SACAC,SACAC,SACAC,SACAC,SACAC,SALAL,EAAMoC,KAAKC,IAAIZ,EAAMzB,IAAK0B,EAAM1B,KAChCC,EAASmC,KAAKE,IAAIb,EAAMxB,OAAQyB,EAAMzB,QACtCC,EAAOkC,KAAKC,IAAIZ,EAAMvB,KAAMwB,EAAMxB,MAClCC,EAAQiC,KAAKE,IAAIb,EAAMtB,MAAOuB,EAAMvB,OAEpCE,EAASJ,EAASD,IApNlBY,GAmNAR,EAAQD,EAAQD,IAEJ,GAAKG,GAAU,GAAK,CAClCL,IAAKA,EACLC,OAAQA,EACRC,KAAMA,EACNC,MAAOA,EACPC,MAAOA,EACPC,OAAQA,KA1NiB,MAGzBsB,EAASC,EAAcD,GAGzB,OAAOf,IAST5E,EAAqBR,UAAUuE,aAAe,WAC5C,IAAID,EAEJ,GAAIlE,KAAKoG,KACPlC,EAAWU,EAAsB5E,KAAKoG,UACjC,CAEL,IAAIO,EAAOzG,EAASoG,gBAChBD,EAAOnG,EAASmG,KACpBnC,EAAW,CACTE,IAAK,EACLE,KAAM,EACNC,MAAOoC,EAAKC,aAAeP,EAAKO,YAChCpC,MAAOmC,EAAKC,aAAeP,EAAKO,YAChCvC,OAAQsC,EAAKE,cAAgBR,EAAKQ,aAClCpC,OAAQkC,EAAKE,cAAgBR,EAAKQ,cAItC,OAAO7G,KAAK8G,wBAAwB5C,IAUtC9D,EAAqBR,UAAUkH,wBAA0B,SAAUC,GACjE,IAAIpE,EAAU3C,KAAKgH,kBAAkBnE,KAAI,SAAUC,EAAQR,GACzD,MAAsB,MAAfQ,EAAOK,KAAeL,EAAOG,MAAQH,EAAOG,OAASX,EAAI,EAAIyE,EAAKvC,MAAQuC,EAAKtC,QAAU,OAG9FwC,EAAU,CACZ7C,IAAK2C,EAAK3C,IAAMzB,EAAQ,GACxB4B,MAAOwC,EAAKxC,MAAQ5B,EAAQ,GAC5B0B,OAAQ0C,EAAK1C,OAAS1B,EAAQ,GAC9B2B,KAAMyC,EAAKzC,KAAO3B,EAAQ,IAI5B,OAFAsE,EAAQzC,MAAQyC,EAAQ1C,MAAQ0C,EAAQ3C,KACxC2C,EAAQxC,OAASwC,EAAQ5C,OAAS4C,EAAQ7C,IACnC6C,GAcT7G,EAAqBR,UAAU4F,qBAAuB,SAAUT,EAAUG,GAGxE,IAAIgC,EAAWnC,GAAYA,EAASU,eAAiBV,EAAS9E,mBAAqB,GAAK,EACpFkH,EAAWjC,EAASO,eAAiBP,EAASjF,mBAAqB,GAAK,EAE5E,GAAIiH,IAAaC,EAEjB,IAAK,IAAI7E,EAAI,EAAGA,EAAItC,KAAKoH,WAAW7F,OAAQe,IAAK,CAC/C,IAAIL,EAAYjC,KAAKoH,WAAW9E,GAGhC,GAAIL,GAAaiF,GAAYjF,GAAakF,GAAYlF,EAAYiF,GAAajF,EAAYkF,EACzF,OAAO,IAWb/G,EAAqBR,UAAUqE,aAAe,WAC5C,OAAQjE,KAAKoG,MAAQiB,EAAanH,EAAUF,KAAKoG,OAUnDhG,EAAqBR,UAAUkF,oBAAsB,SAAUrE,GAC7D,OAAO4G,EAAarH,KAAKoG,MAAQlG,EAAUO,IAS7CL,EAAqBR,UAAUoB,kBAAoB,WAC7Cb,EAASmH,QAAQtH,MAAQ,GAC3BG,EAASc,KAAKjB,OASlBI,EAAqBR,UAAU6B,oBAAsB,WACnD,IAAI8F,EAAQpH,EAASmH,QAAQtH,OACf,GAAVuH,GAAapH,EAASqH,OAAOD,EAAO,IAwL1C7H,OAAOU,qBAAuBA,EAC9BV,OAAOC,0BAA4BA,EA9pBnC,SAASA,EAA0BuB,GACjClB,KAAKmF,KAAOjE,EAAMiE,KAClBnF,KAAKS,OAASS,EAAMT,OACpBT,KAAKuF,WAAarE,EAAMqE,WACxBvF,KAAKsF,mBAAqBpE,EAAMoE,mBAChCtF,KAAKgF,iBAAmB9D,EAAM8D,kBAmmBvB,CACLZ,IAAK,EACLC,OAAQ,EACRC,KAAM,EACNC,MAAO,EACPC,MAAO,EACPC,OAAQ,GAxmBVzE,KAAKyF,iBAAmBvE,EAAM8D,iBAE9B,IAAIL,EAAa3E,KAAKsF,mBAClBmC,EAAa9C,EAAWH,MAAQG,EAAWF,OAC3CO,EAAmBhF,KAAKgF,iBACxB0C,EAAmB1C,EAAiBR,MAAQQ,EAAiBP,OAK/DzE,KAAKC,kBAHHwH,EAGuBE,QAAQD,EAAmBD,GAAYG,QAAQ,IAG/C5H,KAAKyF,eAAiB,EAAI,EAcvD,SAASrF,EAAqByH,EAAUC,GACtC,IAydgBC,EAAIC,EAChBC,EA1dAC,EAAUJ,GAAe,GAE7B,GAAuB,mBAAZD,EACT,MAAM,IAAI9G,MAAM,+BAGlB,GAAImH,EAAQ9B,MAAiC,GAAzB8B,EAAQ9B,KAAKtF,SAC/B,MAAM,IAAIC,MAAM,2BAIlBf,KAAKoB,wBA8cW2G,EA9cuB/H,KAAKoB,uBAAuB+G,KAAKnI,MA8cpDgI,EA9c2DhI,KAAKK,iBA+chF4H,EAAQ,KACL,WACAA,IACHA,EAAQG,YAAW,WACjBL,IACAE,EAAQ,OACPD,MAndPhI,KAAK0F,UAAYmC,EACjB7H,KAAKU,oBAAsB,GAC3BV,KAAK6B,eAAiB,GACtB7B,KAAKgH,kBAAoBhH,KAAKyC,iBAAiByF,EAAQG,YAEvDrI,KAAKoH,WAAapH,KAAK+B,gBAAgBmG,EAAQjG,WAC/CjC,KAAKoG,KAAO8B,EAAQ9B,MAAQ,KAC5BpG,KAAKqI,WAAarI,KAAKgH,kBAAkBnE,KAAI,SAAUC,GACrD,OAAOA,EAAOG,MAAQH,EAAOK,QAC5BmF,KAAK,KAwdV,SAAS/E,EAASgF,EAAMC,EAAOT,EAAIU,GACG,mBAAzBF,EAAKG,iBACdH,EAAKG,iBAAiBF,EAAOT,EAAIU,IAAkB,GACf,mBAApBF,EAAKI,aACrBJ,EAAKI,YAAY,KAAOH,EAAOT,GAanC,SAAShE,EAAYwE,EAAMC,EAAOT,EAAIU,GACG,mBAA5BF,EAAKK,oBACdL,EAAKK,oBAAoBJ,EAAOT,EAAIU,IAAkB,GACjB,mBAArBF,EAAKM,cACrBN,EAAKM,aAAa,KAAOL,EAAOT,GAmCpC,SAASnD,EAAsBkE,GAC7B,IAAI/B,EAEJ,IACEA,EAAO+B,EAAGlE,wBACV,MAAOmE,IAIT,OAAKhC,GAECA,EAAKvC,OAASuC,EAAKtC,SACvBsC,EAAO,CACL3C,IAAK2C,EAAK3C,IACVG,MAAOwC,EAAKxC,MACZF,OAAQ0C,EAAK1C,OACbC,KAAMyC,EAAKzC,KACXE,MAAOuC,EAAKxC,MAAQwC,EAAKzC,KACzBG,OAAQsC,EAAK1C,OAAS0C,EAAK3C,MAIxB2C,GAUA,CACL3C,IAAK,EACLC,OAAQ,EACRC,KAAM,EACNC,MAAO,EACPC,MAAO,EACPC,OAAQ,GAYZ,SAAS4C,EAAatB,EAAQiD,GAG5B,IAFA,IAAIT,EAAOS,EAEJT,GAAM,CACX,GAAIA,GAAQxC,EAAQ,OAAO,EAC3BwC,EAAOvC,EAAcuC,GAGvB,OAAO,EAUT,SAASvC,EAAcuC,GACrB,IAAIxC,EAASwC,EAAKU,WAElB,OAAIlD,GAA6B,IAAnBA,EAAOjF,UAAkBiF,EAAOmD,KAErCnD,EAAOmD,KAGZnD,GAAUA,EAAOoD,aAEZpD,EAAOoD,aAAaF,WAGtBlD,GApsBX,I,sBCRA,sBAEI,EAAO,QAAW,0BAAP,EAMZ,WACD,aAEA,IAAIqD,EAAeC,EAAeC,EAAWC,EA6B3BxB,EACZyB,EAAIC,EAGJC,EAhCFtD,EAAwB,oBAAV1G,OAAwBA,OAA0BiK,aAAVC,EAAsBA,EAAS5J,MAAQ,GAC7F6J,EAAwBzD,EAAK0D,6BAA+B1D,EAAKyD,uBAAyBzB,WAC1F0B,EAA8B1D,EAAK0D,6BAA+BC,aAClEC,EAAQ,GACRC,EAAc,EACdC,GAAY,EACZC,EAAgB,EAChBC,EAAc,GACdC,EAAW,IACX9C,EAAQ,EACR+C,EAAY,EACZC,EAAa,EACbC,EAAe,CACjB,iBACE,OAAO,GAGTC,cAAe,WACb,IAAIA,EAAgBN,GAAiBO,KAAKrF,MAAQiF,GAClD,OAAOG,EAAgB,EAAI,EAAIA,IAG/BE,GAMc5C,EANS,WACzBoC,EAAgB,GAChBE,EAAW,GACXD,EAAc,GAOVV,EAAQ,SAASA,IACnB,IAAIkB,EAAOF,KAAKrF,MAAQoE,EAEpBmB,EALK,GAMPpB,EAAKpB,WAAWsB,EANT,GAMuBkB,IAE9BpB,EAAK,KACLzB,MAIG,WACL0B,EAAYiB,KAAKrF,MAEZmE,IACHA,EAAKpB,WAAWsB,EAjBT,OAoCb,SAASmB,IACS,KAAZR,IACFF,EAAgB,EAChBE,EAAW,IACXD,EAAc,GAEVF,IAnBFA,IACEX,GACFO,EAA4BP,GAG1BD,GACFS,aAAaT,GAGfY,GAAY,GAYVY,MAIJH,IAGF,SAASI,IACPxB,EAAU,KACVD,EAAYlB,WAAW4C,EAAU,GAGnC,SAASC,IACP3B,EAAY,KACZO,EAAsBkB,GAGxB,SAASD,IACHZ,IAIJb,EAAgBgB,GAAYK,KAAKrF,MAAQiF,GACzClB,EAAgBsB,KAAKrF,MACrB6E,GAAY,EAERE,GAAef,EAAgBe,IACjCf,EAAgBe,GAGdf,EAAgB,EAClBC,EAAYlB,WAAW6C,EAAa5B,IAEpCA,EAAgB,EAChB4B,MAIJ,SAASD,IACP,IAAIE,EAAM5I,EAAG6I,EACTC,EAAgBjB,EAAgB,EAAI,EAAI,EAK5C,GAJAG,EAAYI,KAAKrF,MACjB6E,GAAY,EACZZ,EAAY,KAERW,EAAc,GAAKK,EAAYjB,EAAgB,GAAKD,EACtD,IAAK9G,EAAI,EAAG6I,EAAMnB,EAAMzI,OAAQe,EAAI6I,GAAOX,EAAaC,gBAAkBW,EAAe9I,IACvF4I,EAAOlB,EAAMqB,QACbd,IAEIW,GACFA,EAAKV,GAKPR,EAAMzI,OACRuJ,IAEAb,EAAc,EAIlB,SAASqB,EAAwBJ,GAI/B,OAHA3D,IACAyC,EAAM/I,KAAKiK,GACXJ,IACOvD,EAGT,SAASgE,EAAuB/B,GAC9B,IAAIjC,EAAQiC,EAAK,EAAIe,EAEjBP,EAAMzC,KACRyC,EAAMzC,GAAS,MAInB,GAAKnB,EAAKoF,qBAAwBpF,EAAKqF,mBAyBrC,IACErF,EAAKoF,qBAAoB,cAAgB,CACvCxD,QAAS,IAEX,MAAO0D,IACP,SAAWC,GACT,IAAIC,EAAoBnB,EAUxB,GARArE,EAAKoF,oBAAsB,SAAUzD,EAAIC,GACvC,OAAIA,GAAqC,iBAAnBA,EAAQA,QACrB2D,EAAI5D,EAAIC,EAAQA,SAGlB2D,EAAI5D,IAGT3B,EAAKyF,uBAAyBD,EAAqBC,qBAAqBjM,WAAY,CAGtF,KAFA6K,EAAgB5K,OAAOiM,yBAAyBF,EAAoB,oBAE7CnB,EAAcsB,eAAiBtB,EAAc1K,IAClE,OAGFF,OAAOC,eAAe8L,EAAoB,gBAAiB,CACzD3I,MAAO,WACL,OAAOwH,EAAc1K,IAAIiM,KAAKhM,OAEhCiM,YAAY,EACZF,cAAc,KAvBpB,CA0BG3F,EAAKoF,0BAvDVpF,EAAKoF,oBAAsBF,EAC3BlF,EAAKqF,mBAAqBF,EAEtBnF,EAAKlG,UAAYA,SAASwI,mBAC5BtC,EAAKsC,iBAAiB,SAAUmC,GAAmB,GACnDzE,EAAKsC,iBAAiB,SAAUmC,GAChC3K,SAASwI,iBAAiB,QAASmC,GAAmB,GACtD3K,SAASwI,iBAAiB,YAAamC,GAAmB,GAC1D,CAAC,QAAS,WAAY,aAAc,aAAanG,SAAQ,SAAUwH,GACjEhM,SAASwI,iBAAiBwD,EAAMrB,EAAmB,CACjDsB,SAAS,EACTC,SAAS,OAIThG,EAAK3C,kBACP,IAAIA,iBAAiBoH,GAAmBrK,QAAQN,SAASoG,gBAAiB,CACxE3C,WAAW,EACXE,SAAS,EACTH,YAAY,KAwCpB,MAAO,CACL2I,QAASf,EACTgB,OAAQf,KAhOU,iC,oDCCtB,IAAIgB,EAAM,6BACNC,EAAY,mDACZC,EAA2B,oBAAVC,MAAwB,CAC3CC,MAAO,CACL,kBAAmB,IAEnB,IAAID,MACJE,EAAoB,eAAgBH,EAAQE,MAC5CE,EAAyB,oBAAqBJ,EAAQE,MACtDG,EAAc,oBAAqBL,EAAQE,MAC3CI,EAAmD,iBAAvBN,EAAQO,WACpCC,EAAqBR,EAAQS,aAC7BC,EAAqBV,EAAQW,aAC7BC,GAAkB,EA0CtB,SAASC,EAAeC,EAAK/I,EAAOC,GAElC,IAAI+I,EAzCG,wEAyC6BhJ,GAAS,GAzCuC,cAyCpCC,GAAU,GAzC6C,iBA2CnGwI,EAAmBjB,KAAKuB,EAAK,SAAWC,GAC1CL,EAAmBnB,KAAKuB,EAAK,MAAOC,GAIxC,SAASC,EAAaF,EAAK1F,GAGrB0F,EAAIG,aACN7F,EAAS0F,GAETnF,WAAWqF,EAAc,IAAKF,EAAK1F,GAIvC,SAAS8F,EAAO7E,GACd,IAAI6D,EAhCN,SAAkB7D,GAKhB,IAJA,IACI8E,EADAjB,EAAQhH,iBAAiBmD,GAAI+E,WAE7BC,EAAQ,GAEgC,QAApCF,EAASpB,EAAUxJ,KAAK2J,KAC9BmB,EAAMF,EAAO,IAAMA,EAAO,GAG5B,OAAOE,EAuBKC,CAASjF,GACjBkF,EAAMlF,EAAGyD,GAIb,GAHAI,EAAM,cAAgBA,EAAM,eAAiB,QAGxCqB,EAAIT,IAAK,CAEZ,GAA4B,SAAxBZ,EAAM,cACR,OAIF,IAAKqB,EAAIC,UACTrB,IACCD,EAAM,mBAEH,OAKN,IAAKqB,EAAIT,IAAK,CACZS,EAAIT,IAAM,IAAIb,MAAM5D,EAAGtE,MAAOsE,EAAGrE,QACjCuJ,EAAIT,IAAIW,OAASjB,EAAmBjB,KAAKlD,EAAI,oBAAsBA,EAAGoF,OACtEF,EAAIT,IAAIY,IAAMlB,EAAmBjB,KAAKlD,EAAI,iBAAmBA,EAAGqF,IAGhEhB,EAAmBnB,KAAKlD,EAAI,eAAgBA,EAAGqF,KAE3CrF,EAAGoF,QACLf,EAAmBnB,KAAKlD,EAAI,kBAAmBA,EAAGoF,QAGpDZ,EAAexE,EAAIA,EAAG4E,cAAgB5E,EAAGtE,MAAOsE,EAAGsF,eAAiBtF,EAAGrE,QAEnEqE,EAAGoF,SACLpF,EAAGoF,OAAS,IAGd,KAgCJ,SAAuBpF,GACrB,IAAIuF,EAAc,CAChBtO,IAAK,SAAauO,GAChB,OAAOxF,EAAGyD,GAAKgB,IAAIe,GAAc,QAEnCC,IAAK,SAAatL,EAAOqL,GAKvB,OAJAxF,EAAGyD,GAAKgB,IAAIe,GAAc,OAASrL,EACnCkK,EAAmBnB,KAAKlD,EAAI,YAAcwF,EAAMrL,GAEhD0K,EAAO7E,GACA7F,IAGXpD,OAAOC,eAAegJ,EAAI,MAAOuF,GACjCxO,OAAOC,eAAegJ,EAAI,aAAc,CACtC/I,IAAK,WACH,OAAOsO,EAAYtO,IAAI,iBAG3BF,OAAOC,eAAegJ,EAAI,SAAU,CAClC/I,IAAK,WACH,OAAOsO,EAAYtO,IAAI,WAEzBwO,IAAK,SAAaC,GAChB,OAAOH,EAAYE,IAAIC,EAAI,aAvD3BC,CAAc3F,GACd,MAAOC,GACHrJ,OAAOgP,SACTA,QAAQC,KAAK,oCAnGrB,SAA4B7F,GAC1B,GAAIA,EAAGoF,SAAWnB,GAAsBrN,OAAOkP,YAAa,CAC1D,IAAIC,EAAKnP,OAAOkP,YAAYE,EAEvBhG,EAAG+F,EAAGE,KAAQjG,EAAG+F,EAAGE,IAAIC,QAE3BH,EAAGI,QAAQnG,EAAI,CACboG,UAAU,IAITpG,EAAG+F,EAAGE,IAAII,SAEbrG,EAAG+F,EAAGE,IAAIK,WAAY,EACtBP,EAAGI,QAAQnG,EAAI,CACboG,UAAU,KAKdpG,EAAGkE,WAAalE,EAAG+F,EAAGE,IAAII,QAAUrG,EAAGqF,KAoFzCkB,CAAmBrB,EAAIT,KACvBzE,EAAG6D,MAAM2C,gBAAkB,SAAYtB,EAAIT,IAAIP,YAAcgB,EAAIT,IAAIY,KAAKoB,QAAQ,KAAM,OAAS,KACjGzG,EAAG6D,MAAM6C,mBAAqB7C,EAAM,oBAAsB,SAC1D7D,EAAG6D,MAAM8C,iBAAmB,YAC5B3G,EAAG6D,MAAM+C,iBAAmB,cAExB,aAAaC,KAAKhD,EAAM,eAC1Bc,EAAaO,EAAIT,KAAK,WAChBS,EAAIT,IAAIG,aAAe5E,EAAGtE,OAASwJ,EAAIT,IAAIa,cAAgBtF,EAAGrE,OAChEqE,EAAG6D,MAAMiD,eAAiB,UAE1B9G,EAAG6D,MAAMiD,eAAiB,UAI9B9G,EAAG6D,MAAMiD,eAAiBjD,EAAM,cAAc4C,QAAQ,OAAQ,QAAQA,QAAQ,OAAQ,aAGxF9B,EAAaO,EAAIT,KAAK,SAAUA,GAC9BD,EAAexE,EAAIyE,EAAIG,aAAcH,EAAIa,kBAiD7C,SAASyB,EAAIC,EAAMC,GACjB,IAAIC,GAAiB3C,IAAoByC,EAIzC,GAHAC,EAAOA,GAAQ,GACfD,EAAOA,GAAQ,MAEXjD,IAA2BkD,EAAK9B,WAAanB,EAC/C,OAAO,EAII,QAATgD,EACFA,EAAO5P,SAAS+P,qBAAqB,OACZ,iBAATH,EAChBA,EAAO5P,SAASgQ,iBAAiBJ,GACtB,WAAYA,IACvBA,EAAO,CAACA,IAIV,IAAK,IAAIxN,EAAI,EAAGA,EAAIwN,EAAKvO,OAAQe,IAC/BwN,EAAKxN,GAAGiK,GAAOuD,EAAKxN,GAAGiK,IAAQ,CAC7B0B,SAAU8B,EAAK9B,UAEjBN,EAAOmC,EAAKxN,IAGV0N,IACF9P,SAASmG,KAAKqC,iBAAiB,QAAQ,SAAUgD,GACtB,QAArBA,EAAEjL,OAAO0P,SACXN,EAAInE,EAAEjL,OAAQ,CACZwN,SAAU8B,EAAK9B,cAGlB,GACHZ,GAAkB,EAClByC,EAAO,OAILC,EAAKK,SACP1Q,OAAOgJ,iBAAiB,SAAUmH,EAAI1H,KAAK,KAAM2H,EAAM,CACrD7B,SAAU8B,EAAK9B,YAKrB4B,EAAIjD,kBAAoBA,EACxBiD,EAAIhD,uBAAyBA,EA/D7B,WACE,SAASwD,EAAiBvH,EAAIoD,GAC5B,OAAOpD,EAAGyD,IAAQzD,EAAGyD,GAAKgB,MAAiB,QAATrB,GAA2B,WAATA,GAAqBpD,EAAGyD,GAAKgB,IAAMzE,EAGpF+D,IACHyD,iBAAiB1Q,UAAUsN,aAAe,SAAUhB,GAClD,OAAOe,EAAmBjB,KAAKqE,EAAiBrQ,KAAMkM,GAAOA,IAG/DoE,iBAAiB1Q,UAAUwN,aAAe,SAAUlB,EAAMjJ,GACxD,OAAOkK,EAAmBnB,KAAKqE,EAAiBrQ,KAAMkM,GAAOA,EAAMqE,OAAOtN,MAqDhFuN,GACAC,EAAOC,QAAUb,G,iCCnPjB,2CAIAc,M,iCCJA,2CAIAA","file":"extra_polyfills.js","sourcesContent":["/**\n * Copyright 2016 Google Inc. All Rights Reserved.\n *\n * Licensed under the W3C SOFTWARE AND DOCUMENT NOTICE AND LICENSE.\n *\n * https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document\n *\n */\n(function () {\n 'use strict'; // Exit early if we're not running in a browser.\n\n if (typeof window !== 'object') {\n return;\n } // Exit early if all IntersectionObserver and IntersectionObserverEntry\n // features are natively supported.\n\n\n if ('IntersectionObserver' in window && 'IntersectionObserverEntry' in window && 'intersectionRatio' in window.IntersectionObserverEntry.prototype) {\n // Minimal polyfill for Edge 15's lack of `isIntersecting`\n // See: https://github.com/w3c/IntersectionObserver/issues/211\n if (!('isIntersecting' in window.IntersectionObserverEntry.prototype)) {\n Object.defineProperty(window.IntersectionObserverEntry.prototype, 'isIntersecting', {\n get: function get() {\n return this.intersectionRatio > 0;\n }\n });\n }\n\n return;\n }\n /**\n * A local reference to the document.\n */\n\n\n var document = window.document;\n /**\n * An IntersectionObserver registry. This registry exists to hold a strong\n * reference to IntersectionObserver instances currently observing a target\n * element. Without this registry, instances without another reference may be\n * garbage collected.\n */\n\n var registry = [];\n /**\n * Creates the global IntersectionObserverEntry constructor.\n * https://w3c.github.io/IntersectionObserver/#intersection-observer-entry\n * @param {Object} entry A dictionary of instance properties.\n * @constructor\n */\n\n function IntersectionObserverEntry(entry) {\n this.time = entry.time;\n this.target = entry.target;\n this.rootBounds = entry.rootBounds;\n this.boundingClientRect = entry.boundingClientRect;\n this.intersectionRect = entry.intersectionRect || getEmptyRect();\n this.isIntersecting = !!entry.intersectionRect; // Calculates the intersection ratio.\n\n var targetRect = this.boundingClientRect;\n var targetArea = targetRect.width * targetRect.height;\n var intersectionRect = this.intersectionRect;\n var intersectionArea = intersectionRect.width * intersectionRect.height; // Sets intersection ratio.\n\n if (targetArea) {\n // Round the intersection ratio to avoid floating point math issues:\n // https://github.com/w3c/IntersectionObserver/issues/324\n this.intersectionRatio = Number((intersectionArea / targetArea).toFixed(4));\n } else {\n // If area is zero and is intersecting, sets to 1, otherwise to 0\n this.intersectionRatio = this.isIntersecting ? 1 : 0;\n }\n }\n /**\n * Creates the global IntersectionObserver constructor.\n * https://w3c.github.io/IntersectionObserver/#intersection-observer-interface\n * @param {Function} callback The function to be invoked after intersection\n * changes have queued. The function is not invoked if the queue has\n * been emptied by calling the `takeRecords` method.\n * @param {Object=} opt_options Optional configuration options.\n * @constructor\n */\n\n\n function IntersectionObserver(callback, opt_options) {\n var options = opt_options || {};\n\n if (typeof callback != 'function') {\n throw new Error('callback must be a function');\n }\n\n if (options.root && options.root.nodeType != 1) {\n throw new Error('root must be an Element');\n } // Binds and throttles `this._checkForIntersections`.\n\n\n this._checkForIntersections = throttle(this._checkForIntersections.bind(this), this.THROTTLE_TIMEOUT); // Private properties.\n\n this._callback = callback;\n this._observationTargets = [];\n this._queuedEntries = [];\n this._rootMarginValues = this._parseRootMargin(options.rootMargin); // Public properties.\n\n this.thresholds = this._initThresholds(options.threshold);\n this.root = options.root || null;\n this.rootMargin = this._rootMarginValues.map(function (margin) {\n return margin.value + margin.unit;\n }).join(' ');\n }\n /**\n * The minimum interval within which the document will be checked for\n * intersection changes.\n */\n\n\n IntersectionObserver.prototype.THROTTLE_TIMEOUT = 100;\n /**\n * The frequency in which the polyfill polls for intersection changes.\n * this can be updated on a per instance basis and must be set prior to\n * calling `observe` on the first target.\n */\n\n IntersectionObserver.prototype.POLL_INTERVAL = null;\n /**\n * Use a mutation observer on the root element\n * to detect intersection changes.\n */\n\n IntersectionObserver.prototype.USE_MUTATION_OBSERVER = true;\n /**\n * Starts observing a target element for intersection changes based on\n * the thresholds values.\n * @param {Element} target The DOM element to observe.\n */\n\n IntersectionObserver.prototype.observe = function (target) {\n var isTargetAlreadyObserved = this._observationTargets.some(function (item) {\n return item.element == target;\n });\n\n if (isTargetAlreadyObserved) {\n return;\n }\n\n if (!(target && target.nodeType == 1)) {\n throw new Error('target must be an Element');\n }\n\n this._registerInstance();\n\n this._observationTargets.push({\n element: target,\n entry: null\n });\n\n this._monitorIntersections();\n\n this._checkForIntersections();\n };\n /**\n * Stops observing a target element for intersection changes.\n * @param {Element} target The DOM element to observe.\n */\n\n\n IntersectionObserver.prototype.unobserve = function (target) {\n this._observationTargets = this._observationTargets.filter(function (item) {\n return item.element != target;\n });\n\n if (!this._observationTargets.length) {\n this._unmonitorIntersections();\n\n this._unregisterInstance();\n }\n };\n /**\n * Stops observing all target elements for intersection changes.\n */\n\n\n IntersectionObserver.prototype.disconnect = function () {\n this._observationTargets = [];\n\n this._unmonitorIntersections();\n\n this._unregisterInstance();\n };\n /**\n * Returns any queue entries that have not yet been reported to the\n * callback and clears the queue. This can be used in conjunction with the\n * callback to obtain the absolute most up-to-date intersection information.\n * @return {Array} The currently queued entries.\n */\n\n\n IntersectionObserver.prototype.takeRecords = function () {\n var records = this._queuedEntries.slice();\n\n this._queuedEntries = [];\n return records;\n };\n /**\n * Accepts the threshold value from the user configuration object and\n * returns a sorted array of unique threshold values. If a value is not\n * between 0 and 1 and error is thrown.\n * @private\n * @param {Array|number=} opt_threshold An optional threshold value or\n * a list of threshold values, defaulting to [0].\n * @return {Array} A sorted list of unique and valid threshold values.\n */\n\n\n IntersectionObserver.prototype._initThresholds = function (opt_threshold) {\n var threshold = opt_threshold || [0];\n if (!Array.isArray(threshold)) threshold = [threshold];\n return threshold.sort().filter(function (t, i, a) {\n if (typeof t != 'number' || isNaN(t) || t < 0 || t > 1) {\n throw new Error('threshold must be a number between 0 and 1 inclusively');\n }\n\n return t !== a[i - 1];\n });\n };\n /**\n * Accepts the rootMargin value from the user configuration object\n * and returns an array of the four margin values as an object containing\n * the value and unit properties. If any of the values are not properly\n * formatted or use a unit other than px or %, and error is thrown.\n * @private\n * @param {string=} opt_rootMargin An optional rootMargin value,\n * defaulting to '0px'.\n * @return {Array<Object>} An array of margin objects with the keys\n * value and unit.\n */\n\n\n IntersectionObserver.prototype._parseRootMargin = function (opt_rootMargin) {\n var marginString = opt_rootMargin || '0px';\n var margins = marginString.split(/\\s+/).map(function (margin) {\n var parts = /^(-?\\d*\\.?\\d+)(px|%)$/.exec(margin);\n\n if (!parts) {\n throw new Error('rootMargin must be specified in pixels or percent');\n }\n\n return {\n value: parseFloat(parts[1]),\n unit: parts[2]\n };\n }); // Handles shorthand.\n\n margins[1] = margins[1] || margins[0];\n margins[2] = margins[2] || margins[0];\n margins[3] = margins[3] || margins[1];\n return margins;\n };\n /**\n * Starts polling for intersection changes if the polling is not already\n * happening, and if the page's visibility state is visible.\n * @private\n */\n\n\n IntersectionObserver.prototype._monitorIntersections = function () {\n if (!this._monitoringIntersections) {\n this._monitoringIntersections = true; // If a poll interval is set, use polling instead of listening to\n // resize and scroll events or DOM mutations.\n\n if (this.POLL_INTERVAL) {\n this._monitoringInterval = setInterval(this._checkForIntersections, this.POLL_INTERVAL);\n } else {\n addEvent(window, 'resize', this._checkForIntersections, true);\n addEvent(document, 'scroll', this._checkForIntersections, true);\n\n if (this.USE_MUTATION_OBSERVER && 'MutationObserver' in window) {\n this._domObserver = new MutationObserver(this._checkForIntersections);\n\n this._domObserver.observe(document, {\n attributes: true,\n childList: true,\n characterData: true,\n subtree: true\n });\n }\n }\n }\n };\n /**\n * Stops polling for intersection changes.\n * @private\n */\n\n\n IntersectionObserver.prototype._unmonitorIntersections = function () {\n if (this._monitoringIntersections) {\n this._monitoringIntersections = false;\n clearInterval(this._monitoringInterval);\n this._monitoringInterval = null;\n removeEvent(window, 'resize', this._checkForIntersections, true);\n removeEvent(document, 'scroll', this._checkForIntersections, true);\n\n if (this._domObserver) {\n this._domObserver.disconnect();\n\n this._domObserver = null;\n }\n }\n };\n /**\n * Scans each observation target for intersection changes and adds them\n * to the internal entries queue. If new entries are found, it\n * schedules the callback to be invoked.\n * @private\n */\n\n\n IntersectionObserver.prototype._checkForIntersections = function () {\n var rootIsInDom = this._rootIsInDom();\n\n var rootRect = rootIsInDom ? this._getRootRect() : getEmptyRect();\n\n this._observationTargets.forEach(function (item) {\n var target = item.element;\n var targetRect = getBoundingClientRect(target);\n\n var rootContainsTarget = this._rootContainsTarget(target);\n\n var oldEntry = item.entry;\n\n var intersectionRect = rootIsInDom && rootContainsTarget && this._computeTargetAndRootIntersection(target, rootRect);\n\n var newEntry = item.entry = new IntersectionObserverEntry({\n time: now(),\n target: target,\n boundingClientRect: targetRect,\n rootBounds: rootRect,\n intersectionRect: intersectionRect\n });\n\n if (!oldEntry) {\n this._queuedEntries.push(newEntry);\n } else if (rootIsInDom && rootContainsTarget) {\n // If the new entry intersection ratio has crossed any of the\n // thresholds, add a new entry.\n if (this._hasCrossedThreshold(oldEntry, newEntry)) {\n this._queuedEntries.push(newEntry);\n }\n } else {\n // If the root is not in the DOM or target is not contained within\n // root but the previous entry for this target had an intersection,\n // add a new record indicating removal.\n if (oldEntry && oldEntry.isIntersecting) {\n this._queuedEntries.push(newEntry);\n }\n }\n }, this);\n\n if (this._queuedEntries.length) {\n this._callback(this.takeRecords(), this);\n }\n };\n /**\n * Accepts a target and root rect computes the intersection between then\n * following the algorithm in the spec.\n * TODO(philipwalton): at this time clip-path is not considered.\n * https://w3c.github.io/IntersectionObserver/#calculate-intersection-rect-algo\n * @param {Element} target The target DOM element\n * @param {Object} rootRect The bounding rect of the root after being\n * expanded by the rootMargin value.\n * @return {?Object} The final intersection rect object or undefined if no\n * intersection is found.\n * @private\n */\n\n\n IntersectionObserver.prototype._computeTargetAndRootIntersection = function (target, rootRect) {\n // If the element isn't displayed, an intersection can't happen.\n if (window.getComputedStyle(target).display == 'none') return;\n var targetRect = getBoundingClientRect(target);\n var intersectionRect = targetRect;\n var parent = getParentNode(target);\n var atRoot = false;\n\n while (!atRoot) {\n var parentRect = null;\n var parentComputedStyle = parent.nodeType == 1 ? window.getComputedStyle(parent) : {}; // If the parent isn't displayed, an intersection can't happen.\n\n if (parentComputedStyle.display == 'none') return;\n\n if (parent == this.root || parent == document) {\n atRoot = true;\n parentRect = rootRect;\n } else {\n // If the element has a non-visible overflow, and it's not the <body>\n // or <html> element, update the intersection rect.\n // Note: <body> and <html> cannot be clipped to a rect that's not also\n // the document rect, so no need to compute a new intersection.\n if (parent != document.body && parent != document.documentElement && parentComputedStyle.overflow != 'visible') {\n parentRect = getBoundingClientRect(parent);\n }\n } // If either of the above conditionals set a new parentRect,\n // calculate new intersection data.\n\n\n if (parentRect) {\n intersectionRect = computeRectIntersection(parentRect, intersectionRect);\n if (!intersectionRect) break;\n }\n\n parent = getParentNode(parent);\n }\n\n return intersectionRect;\n };\n /**\n * Returns the root rect after being expanded by the rootMargin value.\n * @return {Object} The expanded root rect.\n * @private\n */\n\n\n IntersectionObserver.prototype._getRootRect = function () {\n var rootRect;\n\n if (this.root) {\n rootRect = getBoundingClientRect(this.root);\n } else {\n // Use <html>/<body> instead of window since scroll bars affect size.\n var html = document.documentElement;\n var body = document.body;\n rootRect = {\n top: 0,\n left: 0,\n right: html.clientWidth || body.clientWidth,\n width: html.clientWidth || body.clientWidth,\n bottom: html.clientHeight || body.clientHeight,\n height: html.clientHeight || body.clientHeight\n };\n }\n\n return this._expandRectByRootMargin(rootRect);\n };\n /**\n * Accepts a rect and expands it by the rootMargin value.\n * @param {Object} rect The rect object to expand.\n * @return {Object} The expanded rect.\n * @private\n */\n\n\n IntersectionObserver.prototype._expandRectByRootMargin = function (rect) {\n var margins = this._rootMarginValues.map(function (margin, i) {\n return margin.unit == 'px' ? margin.value : margin.value * (i % 2 ? rect.width : rect.height) / 100;\n });\n\n var newRect = {\n top: rect.top - margins[0],\n right: rect.right + margins[1],\n bottom: rect.bottom + margins[2],\n left: rect.left - margins[3]\n };\n newRect.width = newRect.right - newRect.left;\n newRect.height = newRect.bottom - newRect.top;\n return newRect;\n };\n /**\n * Accepts an old and new entry and returns true if at least one of the\n * threshold values has been crossed.\n * @param {?IntersectionObserverEntry} oldEntry The previous entry for a\n * particular target element or null if no previous entry exists.\n * @param {IntersectionObserverEntry} newEntry The current entry for a\n * particular target element.\n * @return {boolean} Returns true if a any threshold has been crossed.\n * @private\n */\n\n\n IntersectionObserver.prototype._hasCrossedThreshold = function (oldEntry, newEntry) {\n // To make comparing easier, an entry that has a ratio of 0\n // but does not actually intersect is given a value of -1\n var oldRatio = oldEntry && oldEntry.isIntersecting ? oldEntry.intersectionRatio || 0 : -1;\n var newRatio = newEntry.isIntersecting ? newEntry.intersectionRatio || 0 : -1; // Ignore unchanged ratios\n\n if (oldRatio === newRatio) return;\n\n for (var i = 0; i < this.thresholds.length; i++) {\n var threshold = this.thresholds[i]; // Return true if an entry matches a threshold or if the new ratio\n // and the old ratio are on the opposite sides of a threshold.\n\n if (threshold == oldRatio || threshold == newRatio || threshold < oldRatio !== threshold < newRatio) {\n return true;\n }\n }\n };\n /**\n * Returns whether or not the root element is an element and is in the DOM.\n * @return {boolean} True if the root element is an element and is in the DOM.\n * @private\n */\n\n\n IntersectionObserver.prototype._rootIsInDom = function () {\n return !this.root || containsDeep(document, this.root);\n };\n /**\n * Returns whether or not the target element is a child of root.\n * @param {Element} target The target element to check.\n * @return {boolean} True if the target element is a child of root.\n * @private\n */\n\n\n IntersectionObserver.prototype._rootContainsTarget = function (target) {\n return containsDeep(this.root || document, target);\n };\n /**\n * Adds the instance to the global IntersectionObserver registry if it isn't\n * already present.\n * @private\n */\n\n\n IntersectionObserver.prototype._registerInstance = function () {\n if (registry.indexOf(this) < 0) {\n registry.push(this);\n }\n };\n /**\n * Removes the instance from the global IntersectionObserver registry.\n * @private\n */\n\n\n IntersectionObserver.prototype._unregisterInstance = function () {\n var index = registry.indexOf(this);\n if (index != -1) registry.splice(index, 1);\n };\n /**\n * Returns the result of the performance.now() method or null in browsers\n * that don't support the API.\n * @return {number} The elapsed time since the page was requested.\n */\n\n\n function now() {\n return window.performance && performance.now && performance.now();\n }\n /**\n * Throttles a function and delays its execution, so it's only called at most\n * once within a given time period.\n * @param {Function} fn The function to throttle.\n * @param {number} timeout The amount of time that must pass before the\n * function can be called again.\n * @return {Function} The throttled function.\n */\n\n\n function throttle(fn, timeout) {\n var timer = null;\n return function () {\n if (!timer) {\n timer = setTimeout(function () {\n fn();\n timer = null;\n }, timeout);\n }\n };\n }\n /**\n * Adds an event handler to a DOM node ensuring cross-browser compatibility.\n * @param {Node} node The DOM node to add the event handler to.\n * @param {string} event The event name.\n * @param {Function} fn The event handler to add.\n * @param {boolean} opt_useCapture Optionally adds the even to the capture\n * phase. Note: this only works in modern browsers.\n */\n\n\n function addEvent(node, event, fn, opt_useCapture) {\n if (typeof node.addEventListener == 'function') {\n node.addEventListener(event, fn, opt_useCapture || false);\n } else if (typeof node.attachEvent == 'function') {\n node.attachEvent('on' + event, fn);\n }\n }\n /**\n * Removes a previously added event handler from a DOM node.\n * @param {Node} node The DOM node to remove the event handler from.\n * @param {string} event The event name.\n * @param {Function} fn The event handler to remove.\n * @param {boolean} opt_useCapture If the event handler was added with this\n * flag set to true, it should be set to true here in order to remove it.\n */\n\n\n function removeEvent(node, event, fn, opt_useCapture) {\n if (typeof node.removeEventListener == 'function') {\n node.removeEventListener(event, fn, opt_useCapture || false);\n } else if (typeof node.detatchEvent == 'function') {\n node.detatchEvent('on' + event, fn);\n }\n }\n /**\n * Returns the intersection between two rect objects.\n * @param {Object} rect1 The first rect.\n * @param {Object} rect2 The second rect.\n * @return {?Object} The intersection rect or undefined if no intersection\n * is found.\n */\n\n\n function computeRectIntersection(rect1, rect2) {\n var top = Math.max(rect1.top, rect2.top);\n var bottom = Math.min(rect1.bottom, rect2.bottom);\n var left = Math.max(rect1.left, rect2.left);\n var right = Math.min(rect1.right, rect2.right);\n var width = right - left;\n var height = bottom - top;\n return width >= 0 && height >= 0 && {\n top: top,\n bottom: bottom,\n left: left,\n right: right,\n width: width,\n height: height\n };\n }\n /**\n * Shims the native getBoundingClientRect for compatibility with older IE.\n * @param {Element} el The element whose bounding rect to get.\n * @return {Object} The (possibly shimmed) rect of the element.\n */\n\n\n function getBoundingClientRect(el) {\n var rect;\n\n try {\n rect = el.getBoundingClientRect();\n } catch (err) {// Ignore Windows 7 IE11 \"Unspecified error\"\n // https://github.com/w3c/IntersectionObserver/pull/205\n }\n\n if (!rect) return getEmptyRect(); // Older IE\n\n if (!(rect.width && rect.height)) {\n rect = {\n top: rect.top,\n right: rect.right,\n bottom: rect.bottom,\n left: rect.left,\n width: rect.right - rect.left,\n height: rect.bottom - rect.top\n };\n }\n\n return rect;\n }\n /**\n * Returns an empty rect object. An empty rect is returned when an element\n * is not in the DOM.\n * @return {Object} The empty rect.\n */\n\n\n function getEmptyRect() {\n return {\n top: 0,\n bottom: 0,\n left: 0,\n right: 0,\n width: 0,\n height: 0\n };\n }\n /**\n * Checks to see if a parent element contains a child element (including inside\n * shadow DOM).\n * @param {Node} parent The parent element.\n * @param {Node} child The child element.\n * @return {boolean} True if the parent node contains the child node.\n */\n\n\n function containsDeep(parent, child) {\n var node = child;\n\n while (node) {\n if (node == parent) return true;\n node = getParentNode(node);\n }\n\n return false;\n }\n /**\n * Gets the parent node of an element or its host element if the parent node\n * is a shadow root.\n * @param {Node} node The node whose parent to get.\n * @return {Node|null} The parent node or null if no parent exists.\n */\n\n\n function getParentNode(node) {\n var parent = node.parentNode;\n\n if (parent && parent.nodeType == 11 && parent.host) {\n // If the parent is a shadow root, return the host element.\n return parent.host;\n }\n\n if (parent && parent.assignedSlot) {\n // If the parent is distributed in a <slot>, return the parent of a slot.\n return parent.assignedSlot.parentNode;\n }\n\n return parent;\n } // Exposes the constructors globally.\n\n\n window.IntersectionObserver = IntersectionObserver;\n window.IntersectionObserverEntry = IntersectionObserverEntry;\n})();","(function (factory) {\n if (typeof define === 'function' && define.amd) {\n define([], factory);\n } else if (typeof module === 'object' && module.exports) {\n module.exports = factory();\n } else {\n window.idleCallbackShim = factory();\n }\n})(function () {\n 'use strict';\n\n var scheduleStart, throttleDelay, lazytimer, lazyraf;\n var root = typeof window != 'undefined' ? window : typeof global != undefined ? global : this || {};\n var requestAnimationFrame = root.cancelRequestAnimationFrame && root.requestAnimationFrame || setTimeout;\n var cancelRequestAnimationFrame = root.cancelRequestAnimationFrame || clearTimeout;\n var tasks = [];\n var runAttempts = 0;\n var isRunning = false;\n var remainingTime = 7;\n var minThrottle = 35;\n var throttle = 125;\n var index = 0;\n var taskStart = 0;\n var tasklength = 0;\n var IdleDeadline = {\n get didTimeout() {\n return false;\n },\n\n timeRemaining: function timeRemaining() {\n var timeRemaining = remainingTime - (Date.now() - taskStart);\n return timeRemaining < 0 ? 0 : timeRemaining;\n }\n };\n var setInactive = debounce(function () {\n remainingTime = 22;\n throttle = 66;\n minThrottle = 0;\n });\n\n function debounce(fn) {\n var id, timestamp;\n var wait = 99;\n\n var check = function check() {\n var last = Date.now() - timestamp;\n\n if (last < wait) {\n id = setTimeout(check, wait - last);\n } else {\n id = null;\n fn();\n }\n };\n\n return function () {\n timestamp = Date.now();\n\n if (!id) {\n id = setTimeout(check, wait);\n }\n };\n }\n\n function abortRunning() {\n if (isRunning) {\n if (lazyraf) {\n cancelRequestAnimationFrame(lazyraf);\n }\n\n if (lazytimer) {\n clearTimeout(lazytimer);\n }\n\n isRunning = false;\n }\n }\n\n function onInputorMutation() {\n if (throttle != 125) {\n remainingTime = 7;\n throttle = 125;\n minThrottle = 35;\n\n if (isRunning) {\n abortRunning();\n scheduleLazy();\n }\n }\n\n setInactive();\n }\n\n function scheduleAfterRaf() {\n lazyraf = null;\n lazytimer = setTimeout(runTasks, 0);\n }\n\n function scheduleRaf() {\n lazytimer = null;\n requestAnimationFrame(scheduleAfterRaf);\n }\n\n function scheduleLazy() {\n if (isRunning) {\n return;\n }\n\n throttleDelay = throttle - (Date.now() - taskStart);\n scheduleStart = Date.now();\n isRunning = true;\n\n if (minThrottle && throttleDelay < minThrottle) {\n throttleDelay = minThrottle;\n }\n\n if (throttleDelay > 9) {\n lazytimer = setTimeout(scheduleRaf, throttleDelay);\n } else {\n throttleDelay = 0;\n scheduleRaf();\n }\n }\n\n function runTasks() {\n var task, i, len;\n var timeThreshold = remainingTime > 9 ? 9 : 1;\n taskStart = Date.now();\n isRunning = false;\n lazytimer = null;\n\n if (runAttempts > 2 || taskStart - throttleDelay - 50 < scheduleStart) {\n for (i = 0, len = tasks.length; i < len && IdleDeadline.timeRemaining() > timeThreshold; i++) {\n task = tasks.shift();\n tasklength++;\n\n if (task) {\n task(IdleDeadline);\n }\n }\n }\n\n if (tasks.length) {\n scheduleLazy();\n } else {\n runAttempts = 0;\n }\n }\n\n function requestIdleCallbackShim(task) {\n index++;\n tasks.push(task);\n scheduleLazy();\n return index;\n }\n\n function cancelIdleCallbackShim(id) {\n var index = id - 1 - tasklength;\n\n if (tasks[index]) {\n tasks[index] = null;\n }\n }\n\n if (!root.requestIdleCallback || !root.cancelIdleCallback) {\n root.requestIdleCallback = requestIdleCallbackShim;\n root.cancelIdleCallback = cancelIdleCallbackShim;\n\n if (root.document && document.addEventListener) {\n root.addEventListener('scroll', onInputorMutation, true);\n root.addEventListener('resize', onInputorMutation);\n document.addEventListener('focus', onInputorMutation, true);\n document.addEventListener('mouseover', onInputorMutation, true);\n ['click', 'keypress', 'touchstart', 'mousedown'].forEach(function (name) {\n document.addEventListener(name, onInputorMutation, {\n capture: true,\n passive: true\n });\n });\n\n if (root.MutationObserver) {\n new MutationObserver(onInputorMutation).observe(document.documentElement, {\n childList: true,\n subtree: true,\n attributes: true\n });\n }\n }\n } else {\n try {\n root.requestIdleCallback(function () {}, {\n timeout: 0\n });\n } catch (e) {\n (function (rIC) {\n var timeRemainingProto, timeRemaining;\n\n root.requestIdleCallback = function (fn, timeout) {\n if (timeout && typeof timeout.timeout == 'number') {\n return rIC(fn, timeout.timeout);\n }\n\n return rIC(fn);\n };\n\n if (root.IdleCallbackDeadline && (timeRemainingProto = IdleCallbackDeadline.prototype)) {\n timeRemaining = Object.getOwnPropertyDescriptor(timeRemainingProto, 'timeRemaining');\n\n if (!timeRemaining || !timeRemaining.configurable || !timeRemaining.get) {\n return;\n }\n\n Object.defineProperty(timeRemainingProto, 'timeRemaining', {\n value: function value() {\n return timeRemaining.get.call(this);\n },\n enumerable: true,\n configurable: true\n });\n }\n })(root.requestIdleCallback);\n }\n }\n\n return {\n request: requestIdleCallbackShim,\n cancel: cancelIdleCallbackShim\n };\n});","/*! npm.im/object-fit-images 3.2.4 */\n'use strict';\n\nvar OFI = 'bfred-it:object-fit-images';\nvar propRegex = /(object-fit|object-position)\\s*:\\s*([-.\\w\\s%]+)/g;\nvar testImg = typeof Image === 'undefined' ? {\n style: {\n 'object-position': 1\n }\n} : new Image();\nvar supportsObjectFit = 'object-fit' in testImg.style;\nvar supportsObjectPosition = 'object-position' in testImg.style;\nvar supportsOFI = 'background-size' in testImg.style;\nvar supportsCurrentSrc = typeof testImg.currentSrc === 'string';\nvar nativeGetAttribute = testImg.getAttribute;\nvar nativeSetAttribute = testImg.setAttribute;\nvar autoModeEnabled = false;\n\nfunction createPlaceholder(w, h) {\n return \"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='\" + w + \"' height='\" + h + \"'%3E%3C/svg%3E\";\n}\n\nfunction polyfillCurrentSrc(el) {\n if (el.srcset && !supportsCurrentSrc && window.picturefill) {\n var pf = window.picturefill._; // parse srcset with picturefill where currentSrc isn't available\n\n if (!el[pf.ns] || !el[pf.ns].evaled) {\n // force synchronous srcset parsing\n pf.fillImg(el, {\n reselect: true\n });\n }\n\n if (!el[pf.ns].curSrc) {\n // force picturefill to parse srcset\n el[pf.ns].supported = false;\n pf.fillImg(el, {\n reselect: true\n });\n } // retrieve parsed currentSrc, if any\n\n\n el.currentSrc = el[pf.ns].curSrc || el.src;\n }\n}\n\nfunction getStyle(el) {\n var style = getComputedStyle(el).fontFamily;\n var parsed;\n var props = {};\n\n while ((parsed = propRegex.exec(style)) !== null) {\n props[parsed[1]] = parsed[2];\n }\n\n return props;\n}\n\nfunction setPlaceholder(img, width, height) {\n // Default: fill width, no height\n var placeholder = createPlaceholder(width || 1, height || 0); // Only set placeholder if it's different\n\n if (nativeGetAttribute.call(img, 'src') !== placeholder) {\n nativeSetAttribute.call(img, 'src', placeholder);\n }\n}\n\nfunction onImageReady(img, callback) {\n // naturalWidth is only available when the image headers are loaded,\n // this loop will poll it every 100ms.\n if (img.naturalWidth) {\n callback(img);\n } else {\n setTimeout(onImageReady, 100, img, callback);\n }\n}\n\nfunction fixOne(el) {\n var style = getStyle(el);\n var ofi = el[OFI];\n style['object-fit'] = style['object-fit'] || 'fill'; // default value\n // Avoid running where unnecessary, unless OFI had already done its deed\n\n if (!ofi.img) {\n // fill is the default behavior so no action is necessary\n if (style['object-fit'] === 'fill') {\n return;\n } // Where object-fit is supported and object-position isn't (Safari < 10)\n\n\n if (!ofi.skipTest && // unless user wants to apply regardless of browser support\n supportsObjectFit && // if browser already supports object-fit\n !style['object-position'] // unless object-position is used\n ) {\n return;\n }\n } // keep a clone in memory while resetting the original to a blank\n\n\n if (!ofi.img) {\n ofi.img = new Image(el.width, el.height);\n ofi.img.srcset = nativeGetAttribute.call(el, \"data-ofi-srcset\") || el.srcset;\n ofi.img.src = nativeGetAttribute.call(el, \"data-ofi-src\") || el.src; // preserve for any future cloneNode calls\n // https://github.com/bfred-it/object-fit-images/issues/53\n\n nativeSetAttribute.call(el, \"data-ofi-src\", el.src);\n\n if (el.srcset) {\n nativeSetAttribute.call(el, \"data-ofi-srcset\", el.srcset);\n }\n\n setPlaceholder(el, el.naturalWidth || el.width, el.naturalHeight || el.height); // remove srcset because it overrides src\n\n if (el.srcset) {\n el.srcset = '';\n }\n\n try {\n keepSrcUsable(el);\n } catch (err) {\n if (window.console) {\n console.warn('https://bit.ly/ofi-old-browser');\n }\n }\n }\n\n polyfillCurrentSrc(ofi.img);\n el.style.backgroundImage = \"url(\\\"\" + (ofi.img.currentSrc || ofi.img.src).replace(/\"/g, '\\\\\"') + \"\\\")\";\n el.style.backgroundPosition = style['object-position'] || 'center';\n el.style.backgroundRepeat = 'no-repeat';\n el.style.backgroundOrigin = 'content-box';\n\n if (/scale-down/.test(style['object-fit'])) {\n onImageReady(ofi.img, function () {\n if (ofi.img.naturalWidth > el.width || ofi.img.naturalHeight > el.height) {\n el.style.backgroundSize = 'contain';\n } else {\n el.style.backgroundSize = 'auto';\n }\n });\n } else {\n el.style.backgroundSize = style['object-fit'].replace('none', 'auto').replace('fill', '100% 100%');\n }\n\n onImageReady(ofi.img, function (img) {\n setPlaceholder(el, img.naturalWidth, img.naturalHeight);\n });\n}\n\nfunction keepSrcUsable(el) {\n var descriptors = {\n get: function get(prop) {\n return el[OFI].img[prop ? prop : 'src'];\n },\n set: function set(value, prop) {\n el[OFI].img[prop ? prop : 'src'] = value;\n nativeSetAttribute.call(el, \"data-ofi-\" + prop, value); // preserve for any future cloneNode\n\n fixOne(el);\n return value;\n }\n };\n Object.defineProperty(el, 'src', descriptors);\n Object.defineProperty(el, 'currentSrc', {\n get: function get() {\n return descriptors.get('currentSrc');\n }\n });\n Object.defineProperty(el, 'srcset', {\n get: function get() {\n return descriptors.get('srcset');\n },\n set: function set(ss) {\n return descriptors.set(ss, 'srcset');\n }\n });\n}\n\nfunction hijackAttributes() {\n function getOfiImageMaybe(el, name) {\n return el[OFI] && el[OFI].img && (name === 'src' || name === 'srcset') ? el[OFI].img : el;\n }\n\n if (!supportsObjectPosition) {\n HTMLImageElement.prototype.getAttribute = function (name) {\n return nativeGetAttribute.call(getOfiImageMaybe(this, name), name);\n };\n\n HTMLImageElement.prototype.setAttribute = function (name, value) {\n return nativeSetAttribute.call(getOfiImageMaybe(this, name), name, String(value));\n };\n }\n}\n\nfunction fix(imgs, opts) {\n var startAutoMode = !autoModeEnabled && !imgs;\n opts = opts || {};\n imgs = imgs || 'img';\n\n if (supportsObjectPosition && !opts.skipTest || !supportsOFI) {\n return false;\n } // use imgs as a selector or just select all images\n\n\n if (imgs === 'img') {\n imgs = document.getElementsByTagName('img');\n } else if (typeof imgs === 'string') {\n imgs = document.querySelectorAll(imgs);\n } else if (!('length' in imgs)) {\n imgs = [imgs];\n } // apply fix to all\n\n\n for (var i = 0; i < imgs.length; i++) {\n imgs[i][OFI] = imgs[i][OFI] || {\n skipTest: opts.skipTest\n };\n fixOne(imgs[i]);\n }\n\n if (startAutoMode) {\n document.body.addEventListener('load', function (e) {\n if (e.target.tagName === 'IMG') {\n fix(e.target, {\n skipTest: opts.skipTest\n });\n }\n }, true);\n autoModeEnabled = true;\n imgs = 'img'; // reset to a generic selector for watchMQ\n } // if requested, watch media queries for object-fit change\n\n\n if (opts.watchMQ) {\n window.addEventListener('resize', fix.bind(null, imgs, {\n skipTest: opts.skipTest\n }));\n }\n}\n\nfix.supportsObjectFit = supportsObjectFit;\nfix.supportsObjectPosition = supportsObjectPosition;\nhijackAttributes();\nmodule.exports = fix;","import 'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages from 'object-fit-images';\n\nobjectFitImages();\n","import 'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages from 'object-fit-images';\n\nobjectFitImages();\n"],"sourceRoot":""} |