m3u8-parser.min.js 19.2 KB
/*! @name m3u8-parser @version 4.7.0 @license Apache-2.0 */
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("global/window")):"function"==typeof define&&define.amd?define(["exports","global/window"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).m3u8Parser={},t.window)}(this,(function(t,e){"use strict";function i(t){return t&&"object"==typeof t&&"default"in t?t:{default:t}}var r=i(e);var a=function(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e},s=function(){function t(){this.listeners={}}var e=t.prototype;return e.on=function(t,e){this.listeners[t]||(this.listeners[t]=[]),this.listeners[t].push(e)},e.off=function(t,e){if(!this.listeners[t])return!1;var i=this.listeners[t].indexOf(e);return this.listeners[t]=this.listeners[t].slice(0),this.listeners[t].splice(i,1),i>-1},e.trigger=function(t){var e=this.listeners[t];if(e)if(2===arguments.length)for(var i=e.length,r=0;r<i;++r)e[r].call(this,arguments[1]);else for(var a=Array.prototype.slice.call(arguments,1),s=e.length,n=0;n<s;++n)e[n].apply(this,a)},e.dispose=function(){this.listeners={}},e.pipe=function(t){this.on("data",(function(e){t.push(e)}))},t}(),n=function(t){function e(){var e;return(e=t.call(this)||this).buffer="",e}return a(e,t),e.prototype.push=function(t){var e;for(this.buffer+=t,e=this.buffer.indexOf("\n");e>-1;e=this.buffer.indexOf("\n"))this.trigger("data",this.buffer.substring(0,e)),this.buffer=this.buffer.substring(e+1)},e}(s);var u=function(t,e,i){return t(i={path:e,exports:{},require:function(t,e){return function(){throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs")}(null==e&&i.path)}},i.exports),i.exports}((function(t){function e(){return t.exports=e=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t},e.apply(this,arguments)}t.exports=e})),o=String.fromCharCode(9),g=function(t){var e=/([0-9.]*)?@?([0-9.]*)?/.exec(t||""),i={};return e[1]&&(i.length=parseInt(e[1],10)),e[2]&&(i.offset=parseInt(e[2],10)),i},f=function(t){for(var e,i=t.split(new RegExp('(?:^|,)((?:[^=]*)=(?:"[^"]*"|[^,]*))')),r={},a=i.length;a--;)""!==i[a]&&((e=/([^=]*)=(.*)/.exec(i[a]).slice(1))[0]=e[0].replace(/^\s+|\s+$/g,""),e[1]=e[1].replace(/^\s+|\s+$/g,""),e[1]=e[1].replace(/^['"](.*)['"]$/g,"$1"),r[e[0]]=e[1]);return r},p=function(t){function e(){var e;return(e=t.call(this)||this).customParsers=[],e.tagMappers=[],e}a(e,t);var i=e.prototype;return i.push=function(t){var e,i,r=this;0!==(t=t.trim()).length&&("#"===t[0]?this.tagMappers.reduce((function(e,i){var r=i(t);return r===t?e:e.concat([r])}),[t]).forEach((function(t){for(var a=0;a<r.customParsers.length;a++)if(r.customParsers[a].call(r,t))return;if(0===t.indexOf("#EXT"))if(t=t.replace("\r",""),e=/^#EXTM3U/.exec(t))r.trigger("data",{type:"tag",tagType:"m3u"});else{if(e=/^#EXTINF:?([0-9\.]*)?,?(.*)?$/.exec(t))return i={type:"tag",tagType:"inf"},e[1]&&(i.duration=parseFloat(e[1])),e[2]&&(i.title=e[2]),void r.trigger("data",i);if(e=/^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"targetduration"},e[1]&&(i.duration=parseInt(e[1],10)),void r.trigger("data",i);if(e=/^#EXT-X-VERSION:?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"version"},e[1]&&(i.version=parseInt(e[1],10)),void r.trigger("data",i);if(e=/^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/.exec(t))return i={type:"tag",tagType:"media-sequence"},e[1]&&(i.number=parseInt(e[1],10)),void r.trigger("data",i);if(e=/^#EXT-X-DISCONTINUITY-SEQUENCE:?(\-?[0-9.]*)?/.exec(t))return i={type:"tag",tagType:"discontinuity-sequence"},e[1]&&(i.number=parseInt(e[1],10)),void r.trigger("data",i);if(e=/^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(t))return i={type:"tag",tagType:"playlist-type"},e[1]&&(i.playlistType=e[1]),void r.trigger("data",i);if(e=/^#EXT-X-BYTERANGE:?(.*)?$/.exec(t))return i=u(g(e[1]),{type:"tag",tagType:"byterange"}),void r.trigger("data",i);if(e=/^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(t))return i={type:"tag",tagType:"allow-cache"},e[1]&&(i.allowed=!/NO/.test(e[1])),void r.trigger("data",i);if(e=/^#EXT-X-MAP:?(.*)$/.exec(t)){if(i={type:"tag",tagType:"map"},e[1]){var s=f(e[1]);s.URI&&(i.uri=s.URI),s.BYTERANGE&&(i.byterange=g(s.BYTERANGE))}r.trigger("data",i)}else if(e=/^#EXT-X-STREAM-INF:?(.*)$/.exec(t)){if(i={type:"tag",tagType:"stream-inf"},e[1]){if(i.attributes=f(e[1]),i.attributes.RESOLUTION){var n=i.attributes.RESOLUTION.split("x"),p={};n[0]&&(p.width=parseInt(n[0],10)),n[1]&&(p.height=parseInt(n[1],10)),i.attributes.RESOLUTION=p}i.attributes.BANDWIDTH&&(i.attributes.BANDWIDTH=parseInt(i.attributes.BANDWIDTH,10)),i.attributes["PROGRAM-ID"]&&(i.attributes["PROGRAM-ID"]=parseInt(i.attributes["PROGRAM-ID"],10))}r.trigger("data",i)}else{if(e=/^#EXT-X-MEDIA:?(.*)$/.exec(t))return i={type:"tag",tagType:"media"},e[1]&&(i.attributes=f(e[1])),void r.trigger("data",i);if(e=/^#EXT-X-ENDLIST/.exec(t))r.trigger("data",{type:"tag",tagType:"endlist"});else if(e=/^#EXT-X-DISCONTINUITY/.exec(t))r.trigger("data",{type:"tag",tagType:"discontinuity"});else{if(e=/^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(t))return i={type:"tag",tagType:"program-date-time"},e[1]&&(i.dateTimeString=e[1],i.dateTimeObject=new Date(e[1])),void r.trigger("data",i);if(e=/^#EXT-X-KEY:?(.*)$/.exec(t))return i={type:"tag",tagType:"key"},e[1]&&(i.attributes=f(e[1]),i.attributes.IV&&("0x"===i.attributes.IV.substring(0,2).toLowerCase()&&(i.attributes.IV=i.attributes.IV.substring(2)),i.attributes.IV=i.attributes.IV.match(/.{8}/g),i.attributes.IV[0]=parseInt(i.attributes.IV[0],16),i.attributes.IV[1]=parseInt(i.attributes.IV[1],16),i.attributes.IV[2]=parseInt(i.attributes.IV[2],16),i.attributes.IV[3]=parseInt(i.attributes.IV[3],16),i.attributes.IV=new Uint32Array(i.attributes.IV))),void r.trigger("data",i);if(e=/^#EXT-X-START:?(.*)$/.exec(t))return i={type:"tag",tagType:"start"},e[1]&&(i.attributes=f(e[1]),i.attributes["TIME-OFFSET"]=parseFloat(i.attributes["TIME-OFFSET"]),i.attributes.PRECISE=/YES/.test(i.attributes.PRECISE)),void r.trigger("data",i);if(e=/^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-out-cont"},e[1]?i.data=e[1]:i.data="",void r.trigger("data",i);if(e=/^#EXT-X-CUE-OUT:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-out"},e[1]?i.data=e[1]:i.data="",void r.trigger("data",i);if(e=/^#EXT-X-CUE-IN:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-in"},e[1]?i.data=e[1]:i.data="",void r.trigger("data",i);if((e=/^#EXT-X-SKIP:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"skip"}).attributes=f(e[1]),i.attributes.hasOwnProperty("SKIPPED-SEGMENTS")&&(i.attributes["SKIPPED-SEGMENTS"]=parseInt(i.attributes["SKIPPED-SEGMENTS"],10)),i.attributes.hasOwnProperty("RECENTLY-REMOVED-DATERANGES")&&(i.attributes["RECENTLY-REMOVED-DATERANGES"]=i.attributes["RECENTLY-REMOVED-DATERANGES"].split(o)),void r.trigger("data",i);if((e=/^#EXT-X-PART:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"part"}).attributes=f(e[1]),["DURATION"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),["INDEPENDENT","GAP"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=/YES/.test(i.attributes[t]))})),i.attributes.hasOwnProperty("BYTERANGE")&&(i.attributes.byterange=g(i.attributes.BYTERANGE)),void r.trigger("data",i);if((e=/^#EXT-X-SERVER-CONTROL:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"server-control"}).attributes=f(e[1]),["CAN-SKIP-UNTIL","PART-HOLD-BACK","HOLD-BACK"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),["CAN-SKIP-DATERANGES","CAN-BLOCK-RELOAD"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=/YES/.test(i.attributes[t]))})),void r.trigger("data",i);if((e=/^#EXT-X-PART-INF:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"part-inf"}).attributes=f(e[1]),["PART-TARGET"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),void r.trigger("data",i);if((e=/^#EXT-X-PRELOAD-HINT:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"preload-hint"}).attributes=f(e[1]),["BYTERANGE-START","BYTERANGE-LENGTH"].forEach((function(t){if(i.attributes.hasOwnProperty(t)){i.attributes[t]=parseInt(i.attributes[t],10);var e="BYTERANGE-LENGTH"===t?"length":"offset";i.attributes.byterange=i.attributes.byterange||{},i.attributes.byterange[e]=i.attributes[t],delete i.attributes[t]}})),void r.trigger("data",i);if((e=/^#EXT-X-RENDITION-REPORT:(.*)$/.exec(t))&&e[1])return(i={type:"tag",tagType:"rendition-report"}).attributes=f(e[1]),["LAST-MSN","LAST-PART"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseInt(i.attributes[t],10))})),void r.trigger("data",i);r.trigger("data",{type:"tag",data:t.slice(4)})}}}else r.trigger("data",{type:"comment",text:t.slice(1)})})):this.trigger("data",{type:"uri",uri:t}))},i.addParser=function(t){var e=this,i=t.expression,r=t.customType,a=t.dataParser,s=t.segment;"function"!=typeof a&&(a=function(t){return t}),this.customParsers.push((function(t){if(i.exec(t))return e.trigger("data",{type:"custom",data:a(t),customType:r,segment:s}),!0}))},i.addTagMapper=function(t){var e=t.expression,i=t.map;this.tagMappers.push((function(t){return e.test(t)?i(t):t}))},e}(s);var c=function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t};function d(t){for(var e,i=(e=t,r.default.atob?r.default.atob(e):Buffer.from(e,"base64").toString("binary")),a=new Uint8Array(i.length),s=0;s<i.length;s++)a[s]=i.charCodeAt(s);return a}var h=function(t){var e={};return Object.keys(t).forEach((function(i){var r;e[(r=i,r.toLowerCase().replace(/-(\w)/g,(function(t){return t[1].toUpperCase()})))]=t[i]})),e},l=function(t){var e=t.serverControl,i=t.targetDuration,r=t.partTargetDuration;if(e){var a="#EXT-X-SERVER-CONTROL",s="holdBack",n="partHoldBack",u=i&&3*i,o=r&&2*r;i&&!e.hasOwnProperty(s)&&(e[s]=u,this.trigger("info",{message:a+" defaulting HOLD-BACK to targetDuration * 3 ("+u+")."})),u&&e[s]<u&&(this.trigger("warn",{message:a+" clamping HOLD-BACK ("+e[s]+") to targetDuration * 3 ("+u+")"}),e[s]=u),r&&!e.hasOwnProperty(n)&&(e[n]=3*r,this.trigger("info",{message:a+" defaulting PART-HOLD-BACK to partTargetDuration * 3 ("+e[n]+")."})),r&&e[n]<o&&(this.trigger("warn",{message:a+" clamping PART-HOLD-BACK ("+e[n]+") to partTargetDuration * 2 ("+o+")."}),e[n]=o)}},E=function(t){function e(){var e;(e=t.call(this)||this).lineStream=new n,e.parseStream=new p,e.lineStream.pipe(e.parseStream);var i,r,a=c(e),s=[],o={},g=!1,f=function(){},E={AUDIO:{},VIDEO:{},"CLOSED-CAPTIONS":{},SUBTITLES:{}},b=0;e.manifest={allowCache:!0,discontinuityStarts:[],segments:[]};var T=0,m=0;return e.on("end",(function(){o.uri||!o.parts&&!o.preloadHints||(!o.map&&i&&(o.map=i),!o.key&&r&&(o.key=r),o.timeline||"number"!=typeof b||(o.timeline=b),e.manifest.preloadSegment=o)})),e.parseStream.on("data",(function(t){var e,n;({tag:function(){({version:function(){t.version&&(this.manifest.version=t.version)},"allow-cache":function(){this.manifest.allowCache=t.allowed,"allowed"in t||(this.trigger("info",{message:"defaulting allowCache to YES"}),this.manifest.allowCache=!0)},byterange:function(){var e={};"length"in t&&(o.byterange=e,e.length=t.length,"offset"in t||(t.offset=T)),"offset"in t&&(o.byterange=e,e.offset=t.offset),T=e.offset+e.length},endlist:function(){this.manifest.endList=!0},inf:function(){"mediaSequence"in this.manifest||(this.manifest.mediaSequence=0,this.trigger("info",{message:"defaulting media sequence to zero"})),"discontinuitySequence"in this.manifest||(this.manifest.discontinuitySequence=0,this.trigger("info",{message:"defaulting discontinuity sequence to zero"})),t.duration>0&&(o.duration=t.duration),0===t.duration&&(o.duration=.01,this.trigger("info",{message:"updating zero segment duration to a small value"})),this.manifest.segments=s},key:function(){if(t.attributes)if("NONE"!==t.attributes.METHOD)if(t.attributes.URI){if("com.apple.streamingkeydelivery"===t.attributes.KEYFORMAT)return this.manifest.contentProtection=this.manifest.contentProtection||{},void(this.manifest.contentProtection["com.apple.fps.1_0"]={attributes:t.attributes});if("urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"===t.attributes.KEYFORMAT){return-1===["SAMPLE-AES","SAMPLE-AES-CTR","SAMPLE-AES-CENC"].indexOf(t.attributes.METHOD)?void this.trigger("warn",{message:"invalid key method provided for Widevine"}):("SAMPLE-AES-CENC"===t.attributes.METHOD&&this.trigger("warn",{message:"SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead"}),"data:text/plain;base64,"!==t.attributes.URI.substring(0,23)?void this.trigger("warn",{message:"invalid key URI provided for Widevine"}):t.attributes.KEYID&&"0x"===t.attributes.KEYID.substring(0,2)?(this.manifest.contentProtection=this.manifest.contentProtection||{},void(this.manifest.contentProtection["com.widevine.alpha"]={attributes:{schemeIdUri:t.attributes.KEYFORMAT,keyId:t.attributes.KEYID.substring(2)},pssh:d(t.attributes.URI.split(",")[1])})):void this.trigger("warn",{message:"invalid key ID provided for Widevine"}))}t.attributes.METHOD||this.trigger("warn",{message:"defaulting key method to AES-128"}),r={method:t.attributes.METHOD||"AES-128",uri:t.attributes.URI},void 0!==t.attributes.IV&&(r.iv=t.attributes.IV)}else this.trigger("warn",{message:"ignoring key declaration without URI"});else r=null;else this.trigger("warn",{message:"ignoring key declaration without attribute list"})},"media-sequence":function(){isFinite(t.number)?this.manifest.mediaSequence=t.number:this.trigger("warn",{message:"ignoring invalid media sequence: "+t.number})},"discontinuity-sequence":function(){isFinite(t.number)?(this.manifest.discontinuitySequence=t.number,b=t.number):this.trigger("warn",{message:"ignoring invalid discontinuity sequence: "+t.number})},"playlist-type":function(){/VOD|EVENT/.test(t.playlistType)?this.manifest.playlistType=t.playlistType:this.trigger("warn",{message:"ignoring unknown playlist type: "+t.playlist})},map:function(){i={},t.uri&&(i.uri=t.uri),t.byterange&&(i.byterange=t.byterange),r&&(i.key=r)},"stream-inf":function(){this.manifest.playlists=s,this.manifest.mediaGroups=this.manifest.mediaGroups||E,t.attributes?(o.attributes||(o.attributes={}),u(o.attributes,t.attributes)):this.trigger("warn",{message:"ignoring empty stream-inf attributes"})},media:function(){if(this.manifest.mediaGroups=this.manifest.mediaGroups||E,t.attributes&&t.attributes.TYPE&&t.attributes["GROUP-ID"]&&t.attributes.NAME){var i=this.manifest.mediaGroups[t.attributes.TYPE];i[t.attributes["GROUP-ID"]]=i[t.attributes["GROUP-ID"]]||{},e=i[t.attributes["GROUP-ID"]],(n={default:/yes/i.test(t.attributes.DEFAULT)}).default?n.autoselect=!0:n.autoselect=/yes/i.test(t.attributes.AUTOSELECT),t.attributes.LANGUAGE&&(n.language=t.attributes.LANGUAGE),t.attributes.URI&&(n.uri=t.attributes.URI),t.attributes["INSTREAM-ID"]&&(n.instreamId=t.attributes["INSTREAM-ID"]),t.attributes.CHARACTERISTICS&&(n.characteristics=t.attributes.CHARACTERISTICS),t.attributes.FORCED&&(n.forced=/yes/i.test(t.attributes.FORCED)),e[t.attributes.NAME]=n}else this.trigger("warn",{message:"ignoring incomplete or missing media group"})},discontinuity:function(){b+=1,o.discontinuity=!0,this.manifest.discontinuityStarts.push(s.length)},"program-date-time":function(){void 0===this.manifest.dateTimeString&&(this.manifest.dateTimeString=t.dateTimeString,this.manifest.dateTimeObject=t.dateTimeObject),o.dateTimeString=t.dateTimeString,o.dateTimeObject=t.dateTimeObject},targetduration:function(){!isFinite(t.duration)||t.duration<0?this.trigger("warn",{message:"ignoring invalid target duration: "+t.duration}):(this.manifest.targetDuration=t.duration,l.call(this,this.manifest))},start:function(){t.attributes&&!isNaN(t.attributes["TIME-OFFSET"])?this.manifest.start={timeOffset:t.attributes["TIME-OFFSET"],precise:t.attributes.PRECISE}:this.trigger("warn",{message:"ignoring start declaration without appropriate attribute list"})},"cue-out":function(){o.cueOut=t.data},"cue-out-cont":function(){o.cueOutCont=t.data},"cue-in":function(){o.cueIn=t.data},skip:function(){this.manifest.skip=h(t.attributes),this.warnOnMissingAttributes_("#EXT-X-SKIP",t.attributes,["SKIPPED-SEGMENTS"])},part:function(){var e=this;g=!0;var i=this.manifest.segments.length,r=h(t.attributes);o.parts=o.parts||[],o.parts.push(r),r.byterange&&(r.byterange.hasOwnProperty("offset")||(r.byterange.offset=m),m=r.byterange.offset+r.byterange.length);var a=o.parts.length-1;this.warnOnMissingAttributes_("#EXT-X-PART #"+a+" for segment #"+i,t.attributes,["URI","DURATION"]),this.manifest.renditionReports&&this.manifest.renditionReports.forEach((function(t,i){t.hasOwnProperty("lastPart")||e.trigger("warn",{message:"#EXT-X-RENDITION-REPORT #"+i+" lacks required attribute(s): LAST-PART"})}))},"server-control":function(){var e=this.manifest.serverControl=h(t.attributes);e.hasOwnProperty("canBlockReload")||(e.canBlockReload=!1,this.trigger("info",{message:"#EXT-X-SERVER-CONTROL defaulting CAN-BLOCK-RELOAD to false"})),l.call(this,this.manifest),e.canSkipDateranges&&!e.hasOwnProperty("canSkipUntil")&&this.trigger("warn",{message:"#EXT-X-SERVER-CONTROL lacks required attribute CAN-SKIP-UNTIL which is required when CAN-SKIP-DATERANGES is set"})},"preload-hint":function(){var e=this.manifest.segments.length,i=h(t.attributes),r=i.type&&"PART"===i.type;o.preloadHints=o.preloadHints||[],o.preloadHints.push(i),i.byterange&&(i.byterange.hasOwnProperty("offset")||(i.byterange.offset=r?m:0,r&&(m=i.byterange.offset+i.byterange.length)));var a=o.preloadHints.length-1;if(this.warnOnMissingAttributes_("#EXT-X-PRELOAD-HINT #"+a+" for segment #"+e,t.attributes,["TYPE","URI"]),i.type)for(var s=0;s<o.preloadHints.length-1;s++){var n=o.preloadHints[s];n.type&&(n.type===i.type&&this.trigger("warn",{message:"#EXT-X-PRELOAD-HINT #"+a+" for segment #"+e+" has the same TYPE "+i.type+" as preload hint #"+s}))}},"rendition-report":function(){var e=h(t.attributes);this.manifest.renditionReports=this.manifest.renditionReports||[],this.manifest.renditionReports.push(e);var i=this.manifest.renditionReports.length-1,r=["LAST-MSN","URI"];g&&r.push("LAST-PART"),this.warnOnMissingAttributes_("#EXT-X-RENDITION-REPORT #"+i,t.attributes,r)},"part-inf":function(){this.manifest.partInf=h(t.attributes),this.warnOnMissingAttributes_("#EXT-X-PART-INF",t.attributes,["PART-TARGET"]),this.manifest.partInf.partTarget&&(this.manifest.partTargetDuration=this.manifest.partInf.partTarget),l.call(this,this.manifest)}}[t.tagType]||f).call(a)},uri:function(){o.uri=t.uri,s.push(o),this.manifest.targetDuration&&!("duration"in o)&&(this.trigger("warn",{message:"defaulting segment duration to the target duration"}),o.duration=this.manifest.targetDuration),r&&(o.key=r),o.timeline=b,i&&(o.map=i),m=0,o={}},comment:function(){},custom:function(){t.segment?(o.custom=o.custom||{},o.custom[t.customType]=t.data):(this.manifest.custom=this.manifest.custom||{},this.manifest.custom[t.customType]=t.data)}})[t.type].call(a)})),e}a(e,t);var i=e.prototype;return i.warnOnMissingAttributes_=function(t,e,i){var r=[];i.forEach((function(t){e.hasOwnProperty(t)||r.push(t)})),r.length&&this.trigger("warn",{message:t+" lacks required attribute(s): "+r.join(", ")})},i.push=function(t){this.lineStream.push(t)},i.end=function(){this.lineStream.push("\n"),this.trigger("end")},i.addParser=function(t){this.parseStream.addParser(t)},i.addTagMapper=function(t){this.parseStream.addTagMapper(t)},e}(s);t.LineStream=n,t.ParseStream=p,t.Parser=E,Object.defineProperty(t,"__esModule",{value:!0})}));