Add unescape utility function and

artplayerPluginMultipleSubtitles plugin

packages/artplayer-plugin-multiple-subtitles/.npmignore

@@ -0,0 +1,10 @@
+node_modules
+.DS_Store
+yarn.lock
+package-lock.json
+test
+coverage
+.nyc_output
+.parcel-cache
+.cache
+docs

packages/artplayer-plugin-multiple-subtitles/.npmrc

@@ -0,0 +1 @@
+package-lock=false

packages/artplayer-plugin-multiple-subtitles/README.md

@@ -0,0 +1,11 @@
+# artplayer-plugin-multiple-subtitles
+
+multiple subtitles plugin for ArtPlayer
+
+## Demo
+
+[https://artplayer.org](https://artplayer.org/?libs=./uncompiled/artplayer-plugin-multiple-subtitles/index.js&example=multiple.subtitles)
+
+## License
+
+MIT © Harvey Zack

packages/artplayer-plugin-multiple-subtitles/dist/artplayer-plugin-multiple-subtitles.js

@@ -0,0 +1,46 @@
+/*!
+ * artplayer-plugin-multiple-subtitles.js v1.0.0
+ * Github: https://github.com/zhw2590582/ArtPlayer
+ * (c) 2017-2023 Harvey Zack
+ * Released under the MIT License.
+ */
+!// modules are defined as an array
+// [ module function, map of requires ]
+//
+// map of requires is short require name -> numeric require
+//
+// anything defined in a previous bundle is accessed via the
+// orig method which is the require for previous bundles
+function(e,t,n,i,r){/* eslint-disable no-undef */var a="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{},o="function"==typeof a[i]&&a[i],s=o.cache||{},l="undefined"!=typeof module&&"function"==typeof module.require&&module.require.bind(module);function u(t,n){if(!s[t]){if(!e[t]){// if we cannot find the module within our internal map or
+// cache jump to the current global require ie. the last bundle
+// that was added to the page.
+var r="function"==typeof a[i]&&a[i];if(!n&&r)return r(t,!0);// If there are other bundles on this page the require from the
+// previous one is saved to 'previousRequire'. Repeat this as
+// many times as there are bundles until the module is found or
+// we exhaust the require chain.
+if(o)return o(t,!0);// Try the node require function if it exists.
+if(l&&"string"==typeof t)return l(t);var f=Error("Cannot find module '"+t+"'");throw f.code="MODULE_NOT_FOUND",f}d.resolve=function(n){var i=e[t][1][n];return null!=i?i:n},d.cache={};var c=s[t]=new u.Module(t);e[t][0].call(c.exports,d,c,c.exports,this)}return s[t].exports;function d(e){var t=d.resolve(e);return!1===t?{}:u(t)}}u.isParcelRequire=!0,u.Module=function(e){this.id=e,this.bundle=u,this.exports={}},u.modules=e,u.cache=s,u.parent=o,u.register=function(t,n){e[t]=[function(e,t){t.exports=n},{}]},Object.defineProperty(u,"root",{get:function(){return a[i]}}),a[i]=u;for(var f=0;f<t.length;f++)u(t[f]);if(n){// Expose entry point to Node, AMD or browser globals
+// Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
+var c=u(n);// CommonJS
+"object"==typeof exports&&"undefined"!=typeof module?module.exports=c:"function"==typeof define&&define.amd?define(function(){return c}):r&&(this[r]=c)}}({"4Kbf6":[function(e,t,n){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(n),i.export(n,"default",()=>s);var r=e("./parser");function a(e){let t={"&amp;":"&","&lt;":"<","&gt;":">","&#39;":"'","&quot;":'"'},n=RegExp(`(${Object.keys(t).join("|")})`,"g");return e.replace(n,e=>t[e]||e)}async function o(e){let{getExt:t,srtToVtt:n,assToVtt:i}=Artplayer.utils,r=await fetch(e.url),a=await r.arrayBuffer(),o=new TextDecoder(e.encoding||"utf-8"),s=o.decode(a);switch(e.type||t(e.url)){case"srt":return n(s);case"ass":return i(s);case"vtt":return s;default:return""}}function s({subtitles:e}){return async t=>{let n=await Promise.all(e.map(o)),i=function(e,t){let n=new r.WebVTTParser,i=new r.WebVTTSerializer,a=n.parse("","metadata");for(let i=0;i<e.length;i++){let r=t[i],o=n.parse(e[i],"metadata");for(let e=0;e<o.cues.length;e++){let t=o.cues[e];for(let e=0;e<t.tree.children.length;e++){let n=t.tree.children[e];n.value=`<div class="art-subtitle-${r.name}">${n.value}</div>`}}if(0===a.cues.length)a.cues=o.cues;else for(let e=0;e<a.cues.length;e++)a.cues[e].tree.children.push(...o.cues[e]?.tree?.children||[])}return i.serialize(a.cues)}(n,e),s=URL.createObjectURL(new Blob([i],{type:"text/vtt"}));t.option.subtitle.escape=!1,t.subtitle.init({...t.option.subtitle,url:s,type:"vtt",onVttLoad:a})}}s.env="production",s.version="1.0.0",s.build="2023-11-23 23:22:06","undefined"!=typeof window&&(window.artplayerPluginMultipleSubtitles=s)},{"./parser":"cU78l","@parcel/transformer-js/src/esmodule-helpers.js":"9pCYc"}],cU78l:[function(e,t,n){!// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/publicdomain/zero/1.0/
+// Not intended to be fast, but if you can make it faster, please help out!
+function(){var e={direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center"},t=function(t){t||(t={"&amp":"&","&lt":"<","&gt":">","&lrm":"‎","&rlm":"‏","&nbsp":"\xa0"}),this.entities=t,this.parse=function(n,a){// global search and replace for \0
+n=n.replace(/\0/g,"�");var o=Date.now(),s=0,l=n.split(/\r\n|\r|\n/),u=!1,f=[],c=[],d=[];function p(e,t){d.push({message:e,line:s+1,col:t})}var m=l[s],g=m.length,h="WEBVTT",v=0,b=h.length;/* HEADER */for("\uFEFF"===m[0]&&(v=1,b+=1),(g<b||m.indexOf(h)!==0+v||g>b&&" "!==m[b]&&"	"!==m[b])&&p('No valid signature. (File needs to start with "WEBVTT".)'),s++;""!=l[s]&&void 0!=l[s];){if(p("No blank line after the signature."),-1!=l[s].indexOf("-->")){u=!0;break}s++}/* CUE LOOP */for(;void 0!=l[s];){for(;!u&&""==l[s];)s++;if(!u&&void 0==l[s])break;/* CUE CREATION */T=Object.assign({},e,{id:"",startTime:0,endTime:0,pauseOnExit:!1,direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center",text:"",tree:null});var T,x=!0;if(-1==l[s].indexOf("-->")){/* COMMENTS
+             Not part of the specification's parser as these would just be ignored. However,
+             we want them to be conforming and not get "Cue identifier cannot be standalone".
+           */if(T.id=l[s],/^NOTE($|[ \t])/.test(T.id)){for(s++;""!=l[s]&&void 0!=l[s];)-1!=l[s].indexOf("-->")&&p("Cannot have timestamp in a comment."),s++;continue}/* STYLES */if(/^STYLE($|[ \t])/.test(T.id)){var y=[],w=!1;for(s++;""!=l[s]&&void 0!=l[s];)-1!=l[s].indexOf("-->")&&(p("Cannot have timestamp in a style block."),w=!0),y.push(l[s]),s++;if(c.length){p("Style blocks cannot appear after the first cue.");continue}w||f.push(y.join("\n"));continue}if(""==l[++s]||void 0==l[s]){p("Cue identifier cannot be standalone.");continue}if(-1==l[s].indexOf("-->")){x=!1,p("Cue identifier needs to be followed by timestamp.");continue}}/* TIMINGS */u=!1;var O=new i(l[s],p),P=0;if(c.length>0&&(P=c[c.length-1].startTime),x&&!O.parse(T,P)){/* BAD CUE LOOP */for(/* BAD CUE */T=null,s++;""!=l[s]&&void 0!=l[s];){if(-1!=l[s].indexOf("-->")){u=!0;break}s++}continue}/* CUE TEXT LOOP */for(s++;""!=l[s]&&void 0!=l[s];){if(-1!=l[s].indexOf("-->")){p("Blank line missing before cue."),u=!0;break}""!=T.text&&(T.text+="\n"),T.text+=l[s],s++}/* CUE TEXT PROCESSING */var j=new r(T.text,p,a,t);T.tree=j.parse(T.startTime,T.endTime),c.push(T)}/* END */return c.sort(function(e,t){return e.startTime<t.startTime?-1:e.startTime>t.startTime?1:e.endTime>t.endTime?-1:e.endTime<t.endTime?1:0}),{cues:c,errors:d,time:Date.now()-o,styles:f}}},i=function(e,t){var n=/[\u0020\t\f]/,i=/[^\u0020\t\f]/,e=e,r=0,a=function(e){t(e,r+1)};function o(t){for(;void 0!=e[r]&&t.test(e[r]);)r++}function s(t){for(var n="";void 0!=e[r]&&t.test(e[r]);)n+=e[r],r++;return n}/* http://dev.w3.org/html5/webvtt/#collect-a-webvtt-timestamp */function l(){var t,n,i,o,l="minutes";// 3
+if(void 0==e[r]){a("No timestamp found.");return}// 4
+if(!/\d/.test(e[r])){a("Timestamp must start with a character in the range 0-9.");return}// 8
+if((// 5-7
+(t=s(/\d/)).length>2||parseInt(t,10)>59)&&(l="hours"),":"!=e[r]){a("No time unit separator found.");return}if(r++,2!=// 9-11
+(n=s(/\d/)).length){a("Must be exactly two digits.");return}// 12
+if("hours"==l||":"==e[r]){if(":"!=e[r]){a("No seconds found or minutes is greater than 59.");return}if(r++,2!=(i=s(/\d/)).length){a("Must be exactly two digits.");return}}else{if(2!=t.length){a("Must be exactly two digits.");return}i=n,n=t,t="0"}// 13
+if("."!=e[r]){a('No decimal separator (".") found.');return}if(r++,3!=// 14-16
+(o=s(/\d/)).length){a("Milliseconds must be given in three digits.");return}// 17
+if(parseInt(n,10)>59){a("You cannot have more than 59 minutes.");return}if(parseInt(i,10)>59){a("You cannot have more than 59 seconds.");return}return 3600*parseInt(t,10)+60*parseInt(n,10)+parseInt(i,10)+parseInt(o,10)/1e3}this.parse=function(t,s){if(o(n),t.startTime=l(),void 0!=t.startTime){// 6-8
+if(t.startTime<s&&a("Start timestamp is not greater than or equal to start timestamp of previous cue."),i.test(e[r])&&a("Timestamp not separated from '-->' by whitespace."),o(n),"-"!=e[r]||"-"!=e[++r]||">"!=e[++r]){a("No valid timestamp separator found.");return}if(r++,i.test(e[r])&&a("'-->' not separated from timestamp by whitespace."),o(n),t.endTime=l(),void 0!=t.endTime)return t.endTime<=t.startTime&&a("End timestamp is not greater than start timestamp."),i.test(e[r]),o(n),/* http://dev.w3.org/html5/webvtt/#parse-the-webvtt-settings */function(e,t){for(var i=e.split(n),r=[],o=0;o<i.length;o++)if(""!=i[o]){var s=i[o].indexOf(":"),l=i[o].slice(0,s),u=i[o].slice(s+1);if(-1!=r.indexOf(l)&&a("Duplicate setting."),r.push(l),""==u){a("No value for setting defined.");return}if("vertical"==l){if("rl"!=u&&"lr"!=u){a("Writing direction can only be set to 'rl' or 'rl'.");continue}t.direction=u}else if("line"==l){if(/,/.test(u)){var f=u.split(",");u=f[0];var c=f[1]}if(!/^[-\d](\d*)(\.\d+)?%?$/.test(u)){a("Line position takes a number or percentage.");continue}if(-1!=u.indexOf("-",1)){a("Line position can only have '-' at the start.");continue}if(-1!=u.indexOf("%")&&u.indexOf("%")!=u.length-1){a("Line position can only have '%' at the end.");continue}if("-"==u[0]&&"%"==u[u.length-1]){a("Line position cannot be a negative percentage.");continue}var d=u,p=!1;if("%"==u[u.length-1]&&(p=!0,d=u.slice(0,u.length-1),parseInt(u,10)>100)){a("Line position cannot be >100%.");continue}if(""===d||isNaN(d)||!isFinite(d)){a("Line position needs to be a number");continue}if(void 0!==c){if(!["start","center","end"].includes(c)){a("Line alignment needs to be one of start, center or end");continue}t.lineAlign=c}t.snapToLines=!p,t.linePosition=parseFloat(d),parseFloat(d).toString()!==d&&(t.nonSerializable=!0)}else if("position"==l){if(/,/.test(u)){var f=u.split(",");u=f[0];var m=f[1]}if("%"!=u[u.length-1]){a("Text position must be a percentage.");continue}if(parseInt(u,10)>100||0>parseInt(u,10)){a("Text position needs to be between 0 and 100%.");continue}if(""===(d=u.slice(0,u.length-1))||isNaN(d)||!isFinite(d)){a("Line position needs to be a number");continue}if(void 0!==m){if(!["line-left","center","line-right"].includes(m)){a("Position alignment needs to be one of line-left, center or line-right");continue}t.positionAlign=m}t.textPosition=parseFloat(d)}else if("size"==l){if("%"!=u[u.length-1]){a("Size must be a percentage.");continue}if(parseInt(u,10)>100){a("Size cannot be >100%.");continue}var g=u.slice(0,u.length-1);if(void 0===g||""===g||isNaN(g)){a("Size needs to be a number"),g=100;continue}if((g=parseFloat(g))<0||g>100){a("Size needs to be between 0 and 100%.");continue}t.size=g}else if("align"==l){var h=["start","center","end","left","right"];if(-1==h.indexOf(u)){a("Alignment can only be set to one of "+h.join(", ")+".");continue}t.alignment=u}else a("Invalid setting.")}}(e.substring(r),t),!0}},this.parseTimestamp=function(){var t=l();if(void 0!=e[r]){a("Timestamp must not have trailing characters.");return}return t}},r=function(e,t,n,r){this.entities=r;var a=this,e=e,o=0,s=function(e){"metadata"!=n&&t(e,o+1)};this.parse=function(t,l){var u={children:[]},f=u,c=[];function d(e){f.children.push({type:"object",name:e[1],classes:e[2],children:[],parent:f}),f=f.children[f.children.length-1]}for(;void 0!=e[o];){var p=function(){for(var t="data",n="",i="",l=[];void 0!=e[o-1]||0==o;){var u=e[o];if("data"==t){if("&"==u)i=u,t="escape";else if("<"==u&&""==n)t="tag";else{if("<"==u||void 0==u)return["text",n];n+=u}}else if("escape"==t){if("<"==u||void 0==u){let e;return s("Incorrect escape."),(e=i.match(/^&#([0-9]+)$/))?n+=String.fromCharCode(e[1]):a.entities[i]?n+=a.entities[i]:n+=i,["text",n]}if("&"==u)s("Incorrect escape."),n+=i,i=u;else if(/[a-z#0-9]/i.test(u))i+=u;else if(";"==u){let e;(e=i.match(/^&#(x?[0-9]+)$/))?n+=String.fromCharCode("0"+e[1]):a.entities[i+u]?n+=a.entities[i+u]:(e=Object.keys(r).find(e=>i.startsWith(e)))?n+=a.entities[e]+i.slice(e.length)+u:(s("Incorrect escape."),n+=i+";"),t="data"}else s("Incorrect escape."),n+=i+u,t="data"}else if("tag"==t){if("	"==u||"\n"==u||"\f"==u||" "==u)t="start tag annotation";else if("."==u)t="start tag class";else if("/"==u)t="end tag";else if(/\d/.test(u))n=u,t="timestamp tag";else{if(">"==u||void 0==u)return">"==u&&o++,["start tag","",[],""];n=u,t="start tag"}}else if("start tag"==t){if("	"==u||"\f"==u||" "==u)t="start tag annotation";else if("\n"==u)i=u,t="start tag annotation";else if("."==u)t="start tag class";else{if(">"==u||void 0==u)return">"==u&&o++,["start tag",n,[],""];n+=u}}else if("start tag class"==t){if("	"==u||"\f"==u||" "==u)i&&l.push(i),i="",t="start tag annotation";else if("\n"==u)i&&l.push(i),i=u,t="start tag annotation";else if("."==u)i&&l.push(i),i="";else{if(">"==u||void 0==u)return">"==u&&o++,i&&l.push(i),["start tag",n,l,""];i+=u}}else if("start tag annotation"==t){if(">"==u||void 0==u)return">"==u&&o++,["start tag",n,l,i=i.split(/[\u0020\t\f\r\n]+/).filter(fuLine truncated
+;// 8
+o++}}();if("text"==p[0])f.children.push({type:"text",value:p[1],parent:f});else if("start tag"==p[0]){"chapters"==n&&s("Start tags not allowed in chapter title text.");var m=p[1];"v"!=m&&"lang"!=m&&""!=p[3]&&s("Only <v> and <lang> can have an annotation."),"c"==m||"i"==m||"b"==m||"u"==m||"ruby"==m?d(p):"rt"==m&&"ruby"==f.name?d(p):"v"==m?(function(e){for(var t=f;t;){if("v"==t.name)return!0;t=t.parent}}(0)&&s("<v> cannot be nested inside itself."),d(p),f.value=p[3]// annotation
+,p[3]||s("<v> requires an annotation.")):"lang"==m?(d(p),f.value=p[3]// language
+):s("Incorrect start tag.")}else if("end tag"==p[0])"chapters"==n&&s("End tags not allowed in chapter title text."),p[1]==f.name?f=f.parent:"ruby"==p[1]&&"rt"==f.name?f=f.parent.parent:s("Incorrect end tag.");else if("timestamp"==p[0]){"chapters"==n&&s("Timestamp not allowed in chapter title text.");var g=new i(p[1],s).parseTimestamp();void 0!=g&&((g<=t||g>=l)&&s("Timestamp must be between start timestamp and end timestamp."),c.length>0&&c[c.length-1]>=g&&s("Timestamp must be greater than any previous timestamp."),f.children.push({type:"timestamp",value:g,parent:f}),c.push(g))}}for(;f.parent;)"v"!=f.name&&s("Required end tag missing."),f=f.parent;return function e(t){let n={...t};return t.children&&(n.children=t.children.map(e)),n.parent&&delete n.parent,n}(u)}},a=function(){function t(e){let t=("00"+1e3*(e-Math.floor(e)).toFixed(3)).slice(-3),n=0,i=0,r=0;return e>=3600&&(n=Math.floor(e/3600)),i=Math.floor((e-3600*n)/60),r=Math.floor(e-3600*n-60*i),(n?n+":":"")+(""+i).padStart(2,"0")+":"+(""+r).padStart(2,"0")+"."+t}this.serialize=function(n,i){var r,a="WEBVTT\n\n";if(i)for(var o=0;o<i.length;o++)a+="STYLE\n"+i[o]+"\n\n";for(var o=0;o<n.length;o++)a+=(void 0!==(r=n[o]).id?r.id+"\n":"")+t(r.startTime)+" --> "+t(r.endTime)+function(t){var n="";let i=Object.keys(e).filter(n=>t[n]!==e[n]);return i.includes("direction")&&(n+=" vertical:"+t.direction),i.includes("alignment")&&(n+=" align:"+t.alignment),i.includes("size")&&(n+=" size:"+t.size+"%"),(i.includes("lineAlign")||i.includes("linePosition"))&&(n+=" line:"+t.linePosition+(t.snapToLines?"":"%")+(t.lineAlign&&t.lineAlign!=e.lineAlign?","+t.lineAlign:"")),(i.includes("textPosition")||i.includes("positionAlign"))&&(n+=" position:"+t.textPosition+"%"+(t.positionAlign&&t.positionAlign!==e.positionAlign?","+t.positionAlign:"")),n}(r)+"\n"+function e(n){for(var i="",r=0;r<n.length;r++){var a=n[r];if("text"==a.type)i+=a.value.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");else if("object"==a.type){if(i+="<"+a.name,a.classes)for(var o=0;o<a.classes.length;o++)i+="."+a.classes[o];a.value&&(i+=" "+a.value),i+=">",a.children&&(i+=e(a.children)),i+="</"+a.name+">"}else"timestamp"==a.type?i+="<"+t(a.value)+">":i+="<"+a.value+">"}return i}(r.tree.children)+"\n\n";return a}};function o(e){e.WebVTTParser=t,e.WebVTTCueTimingsAndSettingsParser=i,e.WebVTTCueTextParser=r,e.WebVTTSerializer=a}"undefined"!=typeof window&&o(window),o(n)}()},{}],"9pCYc":[function(e,t,n){n.interopDefault=function(e){return e&&e.__esModule?e:{default:e}},n.defineInteropFlag=function(e){Object.defineProperty(e,"__esModule",{value:!0})},n.exportAll=function(e,t){return Object.keys(e).forEach(function(n){"default"===n||"__esModule"===n||t.hasOwnProperty(n)||Object.defineProperty(t,n,{enumerable:!0,get:function(){return e[n]}})}),t},n.export=function(e,t,n){Object.defineProperty(e,t,{enumerable:!0,get:n})}},{}]},["4Kbf6"],"4Kbf6","parcelRequire4dc0");

packages/artplayer-plugin-multiple-subtitles/dist/artplayer-plugin-multiple-subtitles.legacy.js

@@ -0,0 +1,59 @@
+/*!
+ * artplayer-plugin-multiple-subtitles.js v1.0.0
+ * Github: https://github.com/zhw2590582/ArtPlayer
+ * (c) 2017-2023 Harvey Zack
+ * Released under the MIT License.
+ */
+!// modules are defined as an array
+// [ module function, map of requires ]
+//
+// map of requires is short require name -> numeric require
+//
+// anything defined in a previous bundle is accessed via the
+// orig method which is the require for previous bundles
+function(e,t,r,n,o){/* eslint-disable no-undef */var i="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{},a="function"==typeof i[n]&&i[n],s=a.cache||{},u="undefined"!=typeof module&&"function"==typeof module.require&&module.require.bind(module);function c(t,r){if(!s[t]){if(!e[t]){// if we cannot find the module within our internal map or
+// cache jump to the current global require ie. the last bundle
+// that was added to the page.
+var o="function"==typeof i[n]&&i[n];if(!r&&o)return o(t,!0);// If there are other bundles on this page the require from the
+// previous one is saved to 'previousRequire'. Repeat this as
+// many times as there are bundles until the module is found or
+// we exhaust the require chain.
+if(a)return a(t,!0);// Try the node require function if it exists.
+if(u&&"string"==typeof t)return u(t);var l=Error("Cannot find module '"+t+"'");throw l.code="MODULE_NOT_FOUND",l}p.resolve=function(r){var n=e[t][1][r];return null!=n?n:r},p.cache={};var f=s[t]=new c.Module(t);e[t][0].call(f.exports,p,f,f.exports,this)}return s[t].exports;function p(e){var t=p.resolve(e);return!1===t?{}:c(t)}}c.isParcelRequire=!0,c.Module=function(e){this.id=e,this.bundle=c,this.exports={}},c.modules=e,c.cache=s,c.parent=a,c.register=function(t,r){e[t]=[function(e,t){t.exports=r},{}]},Object.defineProperty(c,"root",{get:function(){return i[n]}}),i[n]=c;for(var l=0;l<t.length;l++)c(t[l]);if(r){// Expose entry point to Node, AMD or browser globals
+// Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
+var f=c(r);// CommonJS
+"object"==typeof exports&&"undefined"!=typeof module?module.exports=f:"function"==typeof define&&define.amd?define(function(){return f}):o&&(this[o]=f)}}({"2hz0c":[function(e,t,r){var n=e("@parcel/transformer-js/src/esmodule-helpers.js");n.defineInteropFlag(r),n.export(r,"default",function(){return d});var o=e("@swc/helpers/_/_async_to_generator"),i=e("@swc/helpers/_/_object_spread"),a=e("@swc/helpers/_/_object_spread_props"),s=e("@swc/helpers/_/_to_consumable_array"),u=e("@swc/helpers/_/_ts_generator"),c=e("./parser");function l(e){var t={"&amp;":"&","&lt;":"<","&gt;":">","&#39;":"'","&quot;":'"'},r=RegExp("(".concat(Object.keys(t).join("|"),")"),"g");return e.replace(r,function(e){return t[e]||e})}function f(e){return p.apply(this,arguments)}function p(){return(p=(0,o._)(function(e){var t,r,n,o,i,a;return(0,u._)(this,function(s){switch(s.label){case 0:return r=(t=Artplayer.utils).getExt,n=t.srtToVtt,o=t.assToVtt,[4,fetch(e.url)];case 1:return[4,s.sent().arrayBuffer()];case 2:switch(i=s.sent(),a=new TextDecoder(e.encoding||"utf-8").decode(i),e.type||r(e.url)){case"srt":return[2,n(a)];case"ass":return[2,o(a)];case"vtt":return[2,a];default:return[2,""]}return[2]}})})).apply(this,arguments)}function d(e){var t,r=e.subtitles;return t=(0,o._)(function(e){var t,n;return(0,u._)(this,function(o){switch(o.label){case 0:return[4,Promise.all(r.map(f))];case 1:return t=function(e,t){for(var r=new c.WebVTTParser,n=new c.WebVTTSerializer,o=r.parse("","metadata"),i=0;i<e.length;i++){for(var a,u,l,f=t[i],p=r.parse(e[i],"metadata"),d=0;d<p.cues.length;d++)for(var _=p.cues[d],h=0;h<_.tree.children.length;h++){var m=_.tree.children[h];m.value='<div class="art-subtitle-'.concat(f.name,'">').concat(m.value,"</div>")}if(0===o.cues.length)o.cues=p.cues;else for(var y=0;y<o.cues.length;y++)(a=o.cues[y].tree.children).push.apply(a,(0,s._)((null===(l=p.cues[y])||void 0===l?void 0:null===(u=l.tree)||void 0===u?void 0:u.children)||[]))}return 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+Copyright (c) Microsoft Corporation.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** *//* global Reflect, Promise, SuppressedError, Symbol */var n=e("@parcel/transformer-js/src/esmodule-helpers.js");n.defineInteropFlag(r),n.export(r,"__extends",function(){return a}),n.export(r,"__assign",function(){return s}),n.export(r,"__rest",function(){return u}),n.export(r,"__decorate",function(){return c}),n.export(r,"__param",function(){return l}),n.export(r,"__esDecorate",function(){return f}),n.export(r,"__runInitializers",function(){return p}),n.export(r,"__propKey",function(){return d}),n.export(r,"__setFunctionName",function(){return _}),n.export(r,"__metadata",function(){return h}),n.export(r,"__awaiter",function(){return m}),n.export(r,"__generator",function(){return y}),n.export(r,"__createBinding",function(){return v}),n.export(r,"__exportStar",function(){return g}),n.export(r,"__values",function(){return b}),n.export(r,"__read",function(){return j}),/** @deprecated 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r,n,o,i,a={label:0,sent:function(){if(1&o[0])throw o[1];return o[1]},trys:[],ops:[]};return i={next:s(0),throw:s(1),return:s(2)},"function"==typeof Sym
Line truncated
+// http://creativecommons.org/publicdomain/zero/1.0/
+// Not intended to be fast, but if you can make it faster, please help out!
+function(){var e={direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center"},t=function(t){t||(t={"&amp":"&","&lt":"<","&gt":">","&lrm":"‎","&rlm":"‏","&nbsp":"\xa0"}),this.entities=t,this.parse=function(r,n){// global search and replace for \0
+r=r.replace(/\0/g,"�");var a=Date.now(),s=0,u=r.split(/\r\n|\r|\n/),c=!1,l=[],f=[],p=[];function d(e,t){p.push({message:e,line:s+1,col:t})}var _=u[s],h=_.length,m="WEBVTT",y=0,v=m.length;/* HEADER */for("\uFEFF"===_[0]&&(y=1,v+=1),(h<v||_.indexOf(m)!==0+y||h>v&&" "!==_[v]&&"	"!==_[v])&&d('No valid signature. (File needs to start with "WEBVTT".)'),s++;""!=u[s]&&void 0!=u[s];){if(d("No blank line after the signature."),-1!=u[s].indexOf("-->")){c=!0;break}s++}/* CUE LOOP */for(;void 0!=u[s];){for(;!c&&""==u[s];)s++;if(!c&&void 0==u[s])break;/* CUE CREATION */g=Object.assign({},e,{id:"",startTime:0,endTime:0,pauseOnExit:!1,direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center",text:"",tree:null});var g,b=!0;if(-1==u[s].indexOf("-->")){/* COMMENTS
+             Not part of the specification's parser as these would just be ignored. However,
+             we want them to be conforming and not get "Cue identifier cannot be standalone".
+           */if(g.id=u[s],/^NOTE($|[ \t])/.test(g.id)){for(s++;""!=u[s]&&void 0!=u[s];)-1!=u[s].indexOf("-->")&&d("Cannot have timestamp in a comment."),s++;continue}/* STYLES */if(/^STYLE($|[ \t])/.test(g.id)){var j=[],w=!1;for(s++;""!=u[s]&&void 0!=u[s];)-1!=u[s].indexOf("-->")&&(d("Cannot have timestamp in a style block."),w=!0),j.push(u[s]),s++;if(f.length){d("Style blocks cannot appear after the first cue.");continue}w||l.push(j.join("\n"));continue}if(""==u[++s]||void 0==u[s]){d("Cue identifier cannot be standalone.");continue}if(-1==u[s].indexOf("-->")){b=!1,d("Cue identifier needs to be followed by timestamp.");continue}}/* TIMINGS */c=!1;var x=new o(u[s],d),O=0;if(f.length>0&&(O=f[f.length-1].startTime),b&&!x.parse(g,O)){/* BAD CUE LOOP */for(/* BAD CUE */g=null,s++;""!=u[s]&&void 0!=u[s];){if(-1!=u[s].indexOf("-->")){c=!0;break}s++}continue}/* CUE TEXT LOOP */for(s++;""!=u[s]&&void 0!=u[s];){if(-1!=u[s].indexOf("-->")){d("Blank line missing before cue."),c=!0;break}""!=g.text&&(g.text+="\n"),g.text+=u[s],s++}/* CUE TEXT PROCESSING */var T=new i(g.text,d,n,t);g.tree=T.parse(g.startTime,g.endTime),f.push(g)}/* END */return f.sort(function(e,t){return e.startTime<t.startTime?-1:e.startTime>t.startTime?1:e.endTime>t.endTime?-1:e.endTime<t.endTime?1:0}),{cues:f,errors:p,time:Date.now()-a,styles:l}}},o=function(e,t){var r=/[\u0020\t\f]/,n=/[^\u0020\t\f]/,e=e,o=0,i=function(e){t(e,o+1)};function a(t){for(;void 0!=e[o]&&t.test(e[o]);)o++}function s(t){for(var r="";void 0!=e[o]&&t.test(e[o]);)r+=e[o],o++;return r}/* http://dev.w3.org/html5/webvtt/#collect-a-webvtt-timestamp */function u(){var t,r,n,a,u="minutes";// 3
+if(void 0==e[o]){i("No timestamp found.");return}// 4
+if(!/\d/.test(e[o])){i("Timestamp must start with a character in the range 0-9.");return}// 8
+if((// 5-7
+(t=s(/\d/)).length>2||parseInt(t,10)>59)&&(u="hours"),":"!=e[o]){i("No time unit separator found.");return}if(o++,2!=// 9-11
+(r=s(/\d/)).length){i("Must be exactly two digits.");return}// 12
+if("hours"==u||":"==e[o]){if(":"!=e[o]){i("No seconds found or minutes is greater than 59.");return}if(o++,2!=(n=s(/\d/)).length){i("Must be exactly two digits.");return}}else{if(2!=t.length){i("Must be exactly two digits.");return}n=r,r=t,t="0"}// 13
+if("."!=e[o]){i('No decimal separator (".") found.');return}if(o++,3!=// 14-16
+(a=s(/\d/)).length){i("Milliseconds must be given in three digits.");return}// 17
+if(parseInt(r,10)>59){i("You cannot have more than 59 minutes.");return}if(parseInt(n,10)>59){i("You cannot have more than 59 seconds.");return}return 3600*parseInt(t,10)+60*parseInt(r,10)+parseInt(n,10)+parseInt(a,10)/1e3}this.parse=function(t,s){if(a(r),t.startTime=u(),void 0!=t.startTime){// 6-8
+if(t.startTime<s&&i("Start timestamp is not greater than or equal to start timestamp of previous cue."),n.test(e[o])&&i("Timestamp not separated from '-->' by whitespace."),a(r),"-"!=e[o]||"-"!=e[++o]||">"!=e[++o]){i("No valid timestamp separator found.");return}if(o++,n.test(e[o])&&i("'-->' not separated from timestamp by whitespace."),a(r),t.endTime=u(),void 0!=t.endTime)return t.endTime<=t.startTime&&i("End timestamp is not greater than start timestamp."),n.test(e[o]),a(r),/* http://dev.w3.org/html5/webvtt/#parse-the-webvtt-settings */function(e,t){for(var n=e.split(r),o=[],a=0;a<n.length;a++)if(""!=n[a]){var s=n[a].indexOf(":"),u=n[a].slice(0,s),c=n[a].slice(s+1);if(-1!=o.indexOf(u)&&i("Duplicate setting."),o.push(u),""==c){i("No value for setting defined.");return}if("vertical"==u){if("rl"!=c&&"lr"!=c){i("Writing direction can only be set to 'rl' or 'rl'.");continue}t.direction=c}else if("line"==u){if(/,/.test(c)){var l=c.split(",");c=l[0];var f=l[1]}if(!/^[-\d](\d*)(\.\d+)?%?$/.test(c)){i("Line position takes a number or percentage.");continue}if(-1!=c.indexOf("-",1)){i("Line position can only have '-' at the start.");continue}if(-1!=c.indexOf("%")&&c.indexOf("%")!=c.length-1){i("Line position can only have '%' at the end.");continue}if("-"==c[0]&&"%"==c[c.length-1]){i("Line position cannot be a negative percentage.");continue}var p=c,d=!1;if("%"==c[c.length-1]&&(d=!0,p=c.slice(0,c.length-1),parseInt(c,10)>100)){i("Line position cannot be >100%.");continue}if(""===p||isNaN(p)||!isFinite(p)){i("Line position needs to be a number");continue}if(void 0!==f){if(!["start","center","end"].includes(f)){i("Line alignment needs to be one of start, center or end");continue}t.lineAlign=f}t.snapToLines=!d,t.linePosition=parseFloat(p),parseFloat(p).toString()!==p&&(t.nonSerializable=!0)}else if("position"==u){if(/,/.test(c)){var l=c.split(",");c=l[0];var _=l[1]}if("%"!=c[c.length-1]){i("Text position must be a percentage.");continue}if(parseInt(c,10)>100||0>parseInt(c,10)){i("Text position needs to be between 0 and 100%.");continue}if(""===(p=c.slice(0,c.length-1))||isNaN(p)||!isFinite(p)){i("Line position needs to be a number");continue}if(void 0!==_){if(!["line-left","center","line-right"].includes(_)){i("Position alignment needs to be one of line-left, center or line-right");continue}t.positionAlign=_}t.textPosition=parseFloat(p)}else if("size"==u){if("%"!=c[c.length-1]){i("Size must be a percentage.");continue}if(parseInt(c,10)>100){i("Size cannot be >100%.");continue}var h=c.slice(0,c.length-1);if(void 0===h||""===h||isNaN(h)){i("Size needs to be a number"),h=100;continue}if((h=parseFloat(h))<0||h>100){i("Size needs to be between 0 and 100%.");continue}t.size=h}else if("align"==u){var m=["start","center","end","left","right"];if(-1==m.indexOf(c)){i("Alignment can only be set to one of "+m.join(", ")+".");continue}t.alignment=c}else i("Invalid setting.")}}(e.substring(o),t),!0}},this.parseTimestamp=function(){var t=u();if(void 0!=e[o]){i("Timestamp must not have trailing characters.");return}return t}},i=function(e,t,r,i){this.entities=i;var a=this,e=e,s=0,u=function(e){"metadata"!=r&&t(e,s+1)};this.parse=function(t,c){var l={children:[]},f=l,p=[];function d(e){f.children.push({type:"object",name:e[1],classes:e[2],children:[],parent:f}),f=f.children[f.children.length-1]}for(;void 0!=e[s];){var _=function(){for(var t="data",r="",n="",o=[];void 0!=e[s-1]||0==s;){var c=e[s];if("data"==t){if("&"==c)n=c,t="escape";else if("<"==c&&""==r)t="tag";else{if("<"==c||void 0==c)return["text",r];r+=c}}else if("escape"==t){if("<"==c||void 0==c){u("Incorrect escape.");var l=void 0;return(l=n.match(/^&#([0-9]+)$/))?r+=String.fromCharCode(l[1]):a.entities[n]?r+=a.entities[n]:r+=n,["text",r]}if("&"==c)u("Incorrect escape."),r+=n,n=c;else if(/[a-z#0-9]/i.test(c))n+=c;else if(";"==c){var f=void 0;(f=n.match(/^&#(x?[0-9]+)$/))?r+=String.fromCharCode("0"+f[1]):a.entities[n+c]?r+=a.entities[n+c]:(f=Object.keys(i).find(function(e){return n.startsWith(e)}))?r+=a.entities[f]+n.slice(f.length)+c:(u("Incorrect escape."),r+=n+";"),t="data"}else u("Incorrect escape."),r+=n+c,t="data"}else if("tag"==t){if("	"==c||"\n"==c||"\f"==c||" "==c)t="start tag annotation";else if("."==c)t="start tag class";else if("/"==c)t="end tag";else if(/\d/.test(c))r=c,t="timestamp tag";else{if(">"==c||void 0==c)return">"==c&&s++,["start tag","",[],""];r=c,t="start tag"}}else if("start tag"==t){if("	"==c||"\f"==c||" "==c)t="start tag annotation";else if("\n"==c)n=c,t="start tag annotation";else if("."==c)t="start tag class";else{if(">"==c||void 0==c)return">"==c&&s++,["start tag",r,[],""];r+=c}}else if("start tag class"==t){if("	"==c||"\f"==c||" "==c)n&&o.push(n),n="",t="start tag annotation";else if("\n"==c)n&&o.push(n),n=c,t="start tag annotation";else if("."==c)n&&o.push(n),n="";else{if(">"==c||void 0==c)return">"==c&&s++,n&&o.push(n),["start tag",r,o,""];n+=c}}else if("start tag annotation"==t){if(">"==c||void 0==c)return">"==c&&s++,["start tag",r,o,n=n.split(Line truncated
+;// 8
+s++}}();if("text"==_[0])f.children.push({type:"text",value:_[1],parent:f});else if("start tag"==_[0]){"chapters"==r&&u("Start tags not allowed in chapter title text.");var h=_[1];"v"!=h&&"lang"!=h&&""!=_[3]&&u("Only <v> and <lang> can have an annotation."),"c"==h||"i"==h||"b"==h||"u"==h||"ruby"==h?d(_):"rt"==h&&"ruby"==f.name?d(_):"v"==h?(function(e){for(var t=f;t;){if("v"==t.name)return!0;t=t.parent}}(0)&&u("<v> cannot be nested inside itself."),d(_),f.value=_[3]// annotation
+,_[3]||u("<v> requires an annotation.")):"lang"==h?(d(_),f.value=_[3]// language
+):u("Incorrect start tag.")}else if("end tag"==_[0])"chapters"==r&&u("End tags not allowed in chapter title text."),_[1]==f.name?f=f.parent:"ruby"==_[1]&&"rt"==f.name?f=f.parent.parent:u("Incorrect end tag.");else if("timestamp"==_[0]){"chapters"==r&&u("Timestamp not allowed in chapter title text.");var m=new o(_[1],u).parseTimestamp();void 0!=m&&((m<=t||m>=c)&&u("Timestamp must be between start timestamp and end timestamp."),p.length>0&&p[p.length-1]>=m&&u("Timestamp must be greater than any previous timestamp."),f.children.push({type:"timestamp",value:m,parent:f}),p.push(m))}}for(;f.parent;)"v"!=f.name&&u("Required end tag missing."),f=f.parent;return function e(t){var r=(0,n._)({},t);return t.children&&(r.children=t.children.map(e)),r.parent&&delete r.parent,r}(l)}},a=function(){function t(e){var t=("00"+1e3*(e-Math.floor(e)).toFixed(3)).slice(-3),r=0,n=0,o=0;return e>=3600&&(r=Math.floor(e/3600)),n=Math.floor((e-3600*r)/60),o=Math.floor(e-3600*r-60*n),(r?r+":":"")+(""+n).padStart(2,"0")+":"+(""+o).padStart(2,"0")+"."+t}this.serialize=function(r,n){var o="WEBVTT\n\n";if(n)for(var i=0;i<n.length;i++)o+="STYLE\n"+n[i]+"\n\n";for(var i=0;i<r.length;i++)o+=function(r){var n,o;return(void 0!==r.id?r.id+"\n":"")+t(r.startTime)+" --> "+t(r.endTime)+(n="",(o=Object.keys(e).filter(function(t){return r[t]!==e[t]})).includes("direction")&&(n+=" vertical:"+r.direction),o.includes("alignment")&&(n+=" align:"+r.alignment),o.includes("size")&&(n+=" size:"+r.size+"%"),(o.includes("lineAlign")||o.includes("linePosition"))&&(n+=" line:"+r.linePosition+(r.snapToLines?"":"%")+(r.lineAlign&&r.lineAlign!=e.lineAlign?","+r.lineAlign:"")),(o.includes("textPosition")||o.includes("positionAlign"))&&(n+=" position:"+r.textPosition+"%"+(r.positionAlign&&r.positionAlign!==e.positionAlign?","+r.positionAlign:"")),n)+"\n"+function e(r){for(var n="",o=0;o<r.length;o++){var i=r[o];if("text"==i.type)n+=i.value.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");else if("object"==i.type){if(n+="<"+i.name,i.classes)for(var a=0;a<i.classes.length;a++)n+="."+i.classes[a];i.value&&(n+=" "+i.value),n+=">",i.children&&(n+=e(i.children)),n+="</"+i.name+">"}else"timestamp"==i.type?n+="<"+t(i.value)+">":n+="<"+i.value+">"}return n}(r.tree.children)+"\n\n"}(r[i]);return o}};function s(e){e.WebVTTParser=t,e.WebVTTCueTimingsAndSettingsParser=o,e.WebVTTCueTextParser=i,e.WebVTTSerializer=a}"undefined"!=typeof window&&s(window),s(r)}()},{"@swc/helpers/_/_object_spread":"9agdF"}]},["2hz0c"],"2hz0c","parcelRequire4dc0");

packages/artplayer-plugin-multiple-subtitles/package.json

@@ -0,0 +1,24 @@
+{
+    "license": "MIT",
+    "version": "1.0.0",
+    "name": "artplayer-plugin-multiple-subtitles",
+    "types": "types/artplayer-plugin-multiple-subtitles.d.ts",
+    "description": "multiple subtitles plugin for ArtPlayer",
+    "main": "dist/artplayer-plugin-multiple-subtitles.js",
+    "legacy": "dist/artplayer-plugin-multiple-subtitles.legacy.js",
+    "author": "Harvey Zack <laozhaochaguan@gmail.com>",
+    "browserslist": "last 1 Chrome version",
+    "homepage": "https://artplayer.org",
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/zhw2590582/ArtPlayer.git"
+    },
+    "bugs": {
+        "url": "https://github.com/zhw2590582/ArtPlayer/issues"
+    },
+    "keywords": [
+        "html5",
+        "video",
+        "player"
+    ]
+}

packages/artplayer-plugin-multiple-subtitles/src/index.js

@@ -0,0 +1,87 @@
+import { WebVTTParser, WebVTTSerializer } from './parser';
+
+function unescape(str) {
+    const map = {
+        '&': '&',
+        '&lt;': '<',
+        '&gt;': '>',
+        '&#39;': "'",
+        '&quot;': '"',
+    };
+    const reg = new RegExp(`(${Object.keys(map).join('|')})`, 'g');
+    return str.replace(reg, (tag) => map[tag] || tag);
+}
+
+async function loadSubtitleAsVtt(option) {
+    const { getExt, srtToVtt, assToVtt } = Artplayer.utils;
+    const response = await fetch(option.url);
+    const buffer = await response.arrayBuffer();
+    const decoder = new TextDecoder(option.encoding || 'utf-8');
+    const text = decoder.decode(buffer);
+    switch (option.type || getExt(option.url)) {
+        case 'srt': {
+            return srtToVtt(text);
+        }
+        case 'ass': {
+            return assToVtt(text);
+        }
+        case 'vtt': {
+            return text;
+        }
+        default:
+            return '';
+    }
+}
+
+function mergeVtts(vtts, subtitles) {
+    const parser = new WebVTTParser();
+    const seri = new WebVTTSerializer();
+    const result = parser.parse('', 'metadata');
+
+    for (let i = 0; i < vtts.length; i++) {
+        const option = subtitles[i];
+        const tree = parser.parse(vtts[i], 'metadata');
+
+        for (let j = 0; j < tree.cues.length; j++) {
+            const cue = tree.cues[j];
+            for (let k = 0; k < cue.tree.children.length; k++) {
+                const children = cue.tree.children[k];
+                children.value = `<div class="art-subtitle-${option.name}">${children.value}</div>`;
+            }
+        }
+
+        if (result.cues.length === 0) {
+            result.cues = tree.cues;
+        } else {
+            for (let l = 0; l < result.cues.length; l++) {
+                result.cues[l].tree.children.push(...(tree.cues[l]?.tree?.children || []));
+            }
+        }
+    }
+
+    return seri.serialize(result.cues);
+}
+
+export default function artplayerPluginMultipleSubtitles({ subtitles }) {
+    return async (art) => {
+        const vtts = await Promise.all(subtitles.map(loadSubtitleAsVtt));
+        const vtt = mergeVtts(vtts, subtitles);
+        const url = URL.createObjectURL(new Blob([vtt], { type: 'text/vtt' }));
+
+        art.option.subtitle.escape = false;
+
+        art.subtitle.init({
+            ...art.option.subtitle,
+            url,
+            type: 'vtt',
+            onVttLoad: unescape,
+        });
+    };
+}
+artplayerPluginMultipleSubtitles.env = process.env.NODE_ENV;
+artplayerPluginMultipleSubtitles.version = process.env.APP_VER;
+artplayerPluginMultipleSubtitles.build = process.env.BUILD_DATE;
+
+if (typeof window !== 'undefined') {
+    window['artplayerPluginMultipleSubtitles'] = artplayerPluginMultipleSubtitles;
+}

packages/artplayer-plugin-multiple-subtitles/src/parser.js

@@ -0,0 +1,888 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/publicdomain/zero/1.0/
+
+// Not intended to be fast, but if you can make it faster, please help out!
+
+(function () {
+  var defaultCueSettings = {
+    direction:"horizontal",
+    snapToLines:true,
+    linePosition:"auto",
+    lineAlign:"start",
+    textPosition:"auto",
+    positionAlign:"auto",
+    size:100,
+    alignment:"center",
+  };
+
+  var WebVTTParser = function(entities) {
+    if (!entities) {
+      entities = {
+        "&amp": "&",
+        "&lt": "<",
+        "&gt": ">",
+        "&lrm": "\u200e",
+        "&rlm": "\u200f",
+        "&nbsp": "\u00A0"
+      }
+    }
+    this.entities = entities
+    this.parse = function(input, mode) {
+      // global search and replace for \0
+      input = input.replace(/\0/g, '\uFFFD');
+      var NEWLINE = /\r\n|\r|\n/,
+          startTime = Date.now(),
+          linePos = 0,
+          lines = input.split(NEWLINE),
+          alreadyCollected = false,
+          styles = [],
+          cues = [],
+          errors = []
+      function err(message, col) {
+        errors.push({message:message, line:linePos+1, col:col})
+      }
+
+      var line = lines[linePos],
+          lineLength = line.length,
+          signature = "WEBVTT",
+          bom = 0,
+          signature_length = signature.length
+
+      /* Byte order mark */
+      if (line[0] === "\ufeff") {
+        bom = 1
+        signature_length += 1
+      }
+      /* SIGNATURE */
+      if (
+        lineLength < signature_length ||
+        line.indexOf(signature) !== 0+bom ||
+        lineLength > signature_length &&
+        line[signature_length] !== " " &&
+        line[signature_length] !== "\t"
+      ) {
+        err("No valid signature. (File needs to start with \"WEBVTT\".)")
+      }
+
+      linePos++
+
+      /* HEADER */
+      while(lines[linePos] != "" && lines[linePos] != undefined) {
+        err("No blank line after the signature.")
+        if(lines[linePos].indexOf("-->") != -1) {
+          alreadyCollected = true
+          break
+        }
+        linePos++
+      }
+
+      /* CUE LOOP */
+      while(lines[linePos] != undefined) {
+        var cue
+        while(!alreadyCollected && lines[linePos] == "") {
+          linePos++
+        }
+        if(!alreadyCollected && lines[linePos] == undefined)
+          break
+
+        /* CUE CREATION */
+        cue = Object.assign({}, defaultCueSettings, {
+          id:"",
+          startTime:0,
+          endTime:0,
+          pauseOnExit:false,
+          direction:"horizontal",
+          snapToLines:true,
+          linePosition:"auto",
+          lineAlign:"start",
+          textPosition:"auto",
+          positionAlign:"auto",
+          size:100,
+          alignment:"center",
+          text:"",
+          tree:null
+        })
+
+        var parseTimings = true
+
+        if(lines[linePos].indexOf("-->") == -1) {
+          cue.id = lines[linePos]
+
+          /* COMMENTS
+             Not part of the specification's parser as these would just be ignored. However,
+             we want them to be conforming and not get "Cue identifier cannot be standalone".
+           */
+          if(/^NOTE($|[ \t])/.test(cue.id)) { // .startsWith fails in Chrome
+            linePos++
+            while(lines[linePos] != "" && lines[linePos] != undefined) {
+              if(lines[linePos].indexOf("-->") != -1)
+                err("Cannot have timestamp in a comment.")
+              linePos++
+            }
+            continue
+          }
+
+          /* STYLES */
+          if(/^STYLE($|[ \t])/.test(cue.id)) {
+            var style = []
+            var invalid = false
+            linePos++
+            while(lines[linePos] != "" && lines[linePos] != undefined) {
+              if(lines[linePos].indexOf("-->") != -1) {
+                err("Cannot have timestamp in a style block.")
+                invalid = true
+              }
+              style.push(lines[linePos])
+              linePos++
+            }
+            if(cues.length) {
+              err("Style blocks cannot appear after the first cue.")
+              continue
+            }
+            if (!invalid) {
+              styles.push(style.join('\n'))
+            }
+            continue
+          }
+
+          linePos++
+
+          if(lines[linePos] == "" || lines[linePos] == undefined) {
+            err("Cue identifier cannot be standalone.")
+            continue
+          }
+
+          if(lines[linePos].indexOf("-->") == -1) {
+            parseTimings = false
+            err("Cue identifier needs to be followed by timestamp.")
+            continue
+          }
+        }
+
+        /* TIMINGS */
+        alreadyCollected = false
+        var timings = new WebVTTCueTimingsAndSettingsParser(lines[linePos], err)
+        var previousCueStart = 0
+        if(cues.length > 0) {
+          previousCueStart = cues[cues.length-1].startTime
+        }
+        if(parseTimings && !timings.parse(cue, previousCueStart)) {
+          /* BAD CUE */
+
+          cue = null
+          linePos++
+
+          /* BAD CUE LOOP */
+          while(lines[linePos] != "" && lines[linePos] != undefined) {
+            if(lines[linePos].indexOf("-->") != -1) {
+              alreadyCollected = true
+              break
+            }
+            linePos++
+          }
+          continue
+        }
+        linePos++
+
+        /* CUE TEXT LOOP */
+        while(lines[linePos] != "" && lines[linePos] != undefined) {
+          if(lines[linePos].indexOf("-->") != -1) {
+            err("Blank line missing before cue.")
+            alreadyCollected = true
+            break
+          }
+          if(cue.text != "")
+            cue.text += "\n"
+          cue.text += lines[linePos]
+          linePos++
+        }
+
+        /* CUE TEXT PROCESSING */
+        var cuetextparser = new WebVTTCueTextParser(cue.text, err, mode, entities)
+        cue.tree = cuetextparser.parse(cue.startTime, cue.endTime)
+        cues.push(cue)
+      }
+      cues.sort(function(a, b) {
+        if (a.startTime < b.startTime)
+          return -1
+        if (a.startTime > b.startTime)
+          return 1
+        if (a.endTime > b.endTime)
+          return -1
+        if (a.endTime < b.endTime)
+          return 1
+        return 0
+      })
+      /* END */
+      return {cues:cues, errors:errors, time:Date.now()-startTime, styles: styles}
+    }
+  }
+
+  var WebVTTCueTimingsAndSettingsParser = function(line, errorHandler) {
+    var SPACE = /[\u0020\t\f]/,
+        NOSPACE = /[^\u0020\t\f]/,
+        line = line,
+        pos = 0,
+        err = function(message) {
+          errorHandler(message, pos+1)
+        },
+        spaceBeforeSetting = true
+    function skip(pattern) {
+      while(
+        line[pos] != undefined &&
+        pattern.test(line[pos])
+      ) {
+        pos++
+      }
+    }
+    function collect(pattern) {
+      var str = ""
+      while(
+        line[pos] != undefined &&
+        pattern.test(line[pos])
+      ) {
+        str += line[pos]
+        pos++
+      }
+      return str
+    }
+    /* http://dev.w3.org/html5/webvtt/#collect-a-webvtt-timestamp */
+    function timestamp() {
+      var units = "minutes",
+          val1,
+          val2,
+          val3,
+          val4
+      // 3
+      if(line[pos] == undefined) {
+        err("No timestamp found.")
+        return
+      }
+      // 4
+      if(!/\d/.test(line[pos])) {
+        err("Timestamp must start with a character in the range 0-9.")
+        return
+      }
+      // 5-7
+      val1 = collect(/\d/)
+      if(val1.length > 2 || parseInt(val1, 10) > 59) {
+        units = "hours"
+      }
+      // 8
+      if(line[pos] != ":") {
+        err("No time unit separator found.")
+        return
+      }
+      pos++
+      // 9-11
+      val2 = collect(/\d/)
+      if(val2.length != 2) {
+        err("Must be exactly two digits.")
+        return
+      }
+      // 12
+      if(units == "hours" || line[pos] == ":") {
+        if(line[pos] != ":") {
+          err("No seconds found or minutes is greater than 59.")
+          return
+        }
+        pos++
+        val3 = collect(/\d/)
+        if(val3.length != 2) {
+          err("Must be exactly two digits.")
+          return
+        }
+      } else {
+        if (val1.length != 2) {
+          err("Must be exactly two digits.")
+          return
+        }
+        val3 = val2
+        val2 = val1
+        val1 = "0"
+      }
+      // 13
+      if(line[pos] != ".") {
+        err("No decimal separator (\".\") found.")
+        return
+      }
+      pos++
+      // 14-16
+      val4 = collect(/\d/)
+      if(val4.length != 3) {
+        err("Milliseconds must be given in three digits.")
+        return
+      }
+      // 17
+      if(parseInt(val2, 10) > 59) {
+        err("You cannot have more than 59 minutes.")
+        return
+      }
+      if(parseInt(val3, 10) > 59) {
+        err("You cannot have more than 59 seconds.")
+        return
+      }
+      return parseInt(val1, 10) * 60 * 60 + parseInt(val2, 10) * 60 + parseInt(val3, 10) + parseInt(val4, 10) / 1000
+    }
+
+    /* http://dev.w3.org/html5/webvtt/#parse-the-webvtt-settings */
+    function parseSettings(input, cue) {
+      var settings = input.split(SPACE),
+          seen = []
+      for(var i=0; i < settings.length; i++) {
+        if(settings[i] == "")
+          continue
+
+        var index = settings[i].indexOf(':'),
+            setting = settings[i].slice(0, index),
+            value = settings[i].slice(index + 1)
+
+        if(seen.indexOf(setting) != -1) {
+          err("Duplicate setting.")
+        }
+        seen.push(setting)
+
+        if(value == "") {
+          err("No value for setting defined.")
+          return
+        }
+
+        if(setting == "vertical") { // writing direction
+          if(value != "rl" && value != "lr") {
+            err("Writing direction can only be set to 'rl' or 'rl'.")
+            continue
+          }
+          cue.direction = value
+        } else if(setting == "line") { // line position and optionally line alignment
+          if (/,/.test(value)) {
+            var comp = value.split(',')
+            value = comp[0]
+            var lineAlign = comp[1]
+          }
+          if(!/^[-\d](\d*)(\.\d+)?%?$/.test(value)) {
+            err("Line position takes a number or percentage.")
+            continue
+          }
+          if(value.indexOf("-", 1) != -1) {
+            err("Line position can only have '-' at the start.")
+            continue
+          }
+          if(value.indexOf("%") != -1 && value.indexOf("%") != value.length-1) {
+            err("Line position can only have '%' at the end.")
+            continue
+          }
+          if(value[0] == "-" && value[value.length-1] == "%") {
+            err("Line position cannot be a negative percentage.")
+            continue
+          }
+          var numVal = value;
+          var isPercent = false;
+          if(value[value.length-1] == "%") {
+            isPercent = true;
+            numVal = value.slice(0, value.length-1)
+            if(parseInt(value, 10) > 100) {
+              err("Line position cannot be >100%.")
+              continue
+            }
+          }
+          if (numVal === '' || isNaN(numVal) || !isFinite(numVal)) {
+            err("Line position needs to be a number")
+            continue
+          }
+          if (lineAlign !== undefined) {
+            if (!["start", "center", "end"].includes(lineAlign)) {
+              err("Line alignment needs to be one of start, center or end")
+              continue
+            }
+            cue.lineAlign = lineAlign
+          }
+          cue.snapToLines = !isPercent;
+          cue.linePosition = parseFloat(numVal)
+          if (parseFloat(numVal).toString() !== numVal) {
+            cue.nonSerializable = true;
+          }
+        } else if(setting == "position") { // text position and optional positionAlign
+          if (/,/.test(value)) {
+            var comp = value.split(',')
+            value = comp[0]
+            var positionAlign = comp[1]
+          }
+          if(value[value.length-1] != "%") {
+            err("Text position must be a percentage.")
+            continue
+          }
+          if(parseInt(value, 10) > 100 || parseInt(value, 10) < 0) {
+            err("Text position needs to be between 0 and 100%.")
+            continue
+          }
+          numVal = value.slice(0, value.length-1)
+          if (numVal === '' || isNaN(numVal) || !isFinite(numVal)) {
+            err("Line position needs to be a number")
+            continue
+          }
+          if (positionAlign !== undefined) {
+            if (!["line-left", "center", "line-right"].includes(positionAlign)) {
+              err("Position alignment needs to be one of line-left, center or line-right")
+              continue
+            }
+            cue.positionAlign = positionAlign
+          }
+          cue.textPosition = parseFloat(numVal)
+        } else if(setting == "size") { // size
+          if(value[value.length-1] != "%") {
+            err("Size must be a percentage.")
+            continue
+          }
+          if(parseInt(value, 10) > 100) {
+            err("Size cannot be >100%.")
+            continue
+          }
+          var size = value.slice(0, value.length -1)
+          if (size === undefined || size === "" || isNaN(size)) {
+            err("Size needs to be a number")
+            size = 100
+            continue
+          } else {
+            size = parseFloat(size)
+            if (size < 0 || size > 100) {
+              err("Size needs to be between 0 and 100%.")
+              continue;
+            }
+          }
+          cue.size = size
+        } else if(setting == "align") { // alignment
+          var alignValues = ["start", "center", "end", "left", "right"]
+          if(alignValues.indexOf(value) == -1) {
+            err("Alignment can only be set to one of " + alignValues.join(", ") + ".")
+            continue
+          }
+          cue.alignment = value
+        } else {
+          err("Invalid setting.")
+        }
+      }
+    }
+
+    this.parse = function(cue, previousCueStart) {
+      skip(SPACE)
+      cue.startTime = timestamp()
+      if(cue.startTime == undefined) {
+        return
+      }
+      if(cue.startTime < previousCueStart) {
+        err("Start timestamp is not greater than or equal to start timestamp of previous cue.")
+      }
+      if(NOSPACE.test(line[pos])) {
+        err("Timestamp not separated from '-->' by whitespace.")
+      }
+      skip(SPACE)
+      // 6-8
+      if(line[pos] != "-") {
+        err("No valid timestamp separator found.")
+        return
+      }
+      pos++
+      if(line[pos] != "-") {
+        err("No valid timestamp separator found.")
+        return
+      }
+      pos++
+      if(line[pos] != ">") {
+        err("No valid timestamp separator found.")
+        return
+      }
+      pos++
+      if(NOSPACE.test(line[pos])) {
+        err("'-->' not separated from timestamp by whitespace.")
+      }
+      skip(SPACE)
+      cue.endTime = timestamp()
+      if(cue.endTime == undefined) {
+        return
+      }
+      if(cue.endTime <= cue.startTime) {
+        err("End timestamp is not greater than start timestamp.")
+      }
+
+      if(NOSPACE.test(line[pos])) {
+        spaceBeforeSetting = false
+      }
+      skip(SPACE)
+      parseSettings(line.substring(pos), cue)
+      return true
+    }
+    this.parseTimestamp = function() {
+      var ts = timestamp()
+      if(line[pos] != undefined) {
+        err("Timestamp must not have trailing characters.")
+        return
+      }
+      return ts
+    }
+  }
+
+  var WebVTTCueTextParser = function(line, errorHandler, mode, entities) {
+    this.entities = entities
+    var self = this
+    var line = line,
+        pos = 0,
+        err = function(message) {
+          if(mode == "metadata")
+            return
+          errorHandler(message, pos+1)
+        }
+
+    this.parse = function(cueStart, cueEnd) {
+      function removeCycles(tree) {
+        const cyclelessTree = {...tree};
+        if (tree.children) {
+          cyclelessTree.children = tree.children.map(removeCycles);
+        }
+        if (cyclelessTree.parent) {
+          delete cyclelessTree.parent;
+        }
+        return cyclelessTree;
+      }
+
+      var result = {children:[]},
+          current = result,
+          timestamps = []
+
+      function attach(token) {
+        current.children.push({type:"object", name:token[1], classes:token[2], children:[], parent:current})
+        current = current.children[current.children.length-1]
+      }
+      function inScope(name) {
+        var node = current
+        while(node) {
+          if(node.name == name)
+            return true
+          node = node.parent
+        }
+        return
+      }
+
+      while(line[pos] != undefined) {
+        var token = nextToken()
+        if(token[0] == "text") {
+          current.children.push({type:"text", value:token[1], parent:current})
+        } else if(token[0] == "start tag") {
+          if(mode == "chapters")
+            err("Start tags not allowed in chapter title text.")
+          var name = token[1]
+          if(name != "v" && name != "lang" && token[3] != "") {
+            err("Only <v> and <lang> can have an annotation.")
+          }
+          if(
+            name == "c" ||
+            name == "i" ||
+            name == "b" ||
+            name == "u" ||
+            name == "ruby"
+          ) {
+            attach(token)
+          } else if(name == "rt" && current.name == "ruby") {
+            attach(token)
+          } else if(name == "v") {
+            if(inScope("v")) {
+              err("<v> cannot be nested inside itself.")
+            }
+            attach(token)
+            current.value = token[3] // annotation
+            if(!token[3]) {
+              err("<v> requires an annotation.")
+            }
+          } else if(name == "lang") {
+            attach(token)
+            current.value = token[3] // language
+          } else {
+            err("Incorrect start tag.")
+          }
+        } else if(token[0] == "end tag") {
+          if(mode == "chapters")
+            err("End tags not allowed in chapter title text.")
+          // XXX check <ruby> content
+          if(token[1] == current.name) {
+            current = current.parent
+          } else if(token[1] == "ruby" && current.name == "rt") {
+            current = current.parent.parent
+          } else {
+            err("Incorrect end tag.")
+          }
+        } else if(token[0] == "timestamp") {
+          if(mode == "chapters")
+            err("Timestamp not allowed in chapter title text.")
+          var timings = new WebVTTCueTimingsAndSettingsParser(token[1], err),
+              timestamp = timings.parseTimestamp()
+          if(timestamp != undefined) {
+            if(timestamp <= cueStart || timestamp >= cueEnd) {
+              err("Timestamp must be between start timestamp and end timestamp.")
+            }
+            if(timestamps.length > 0 && timestamps[timestamps.length-1] >= timestamp) {
+              err("Timestamp must be greater than any previous timestamp.")
+            }
+            current.children.push({type:"timestamp", value:timestamp, parent:current})
+            timestamps.push(timestamp)
+          }
+        }
+      }
+      while(current.parent) {
+        if(current.name != "v") {
+          err("Required end tag missing.")
+        }
+        current = current.parent
+      }
+      return removeCycles(result)
+    }
+
+    function nextToken() {
+      var state = "data",
+          result = "",
+          buffer = "",
+          classes = []
+      while(line[pos-1] != undefined || pos == 0) {
+        var c = line[pos]
+        if(state == "data") {
+          if(c == "&") {
+            buffer = c
+            state = "escape"
+          } else if(c == "<" && result == "") {
+            state = "tag"
+          } else if(c == "<" || c == undefined) {
+            return ["text", result]
+          } else {
+            result += c
+          }
+        } else if(state == "escape") {
+          if(c == "<" || c == undefined) {
+            err("Incorrect escape.")
+            let m;
+            if (m = buffer.match(/^&#([0-9]+)$/)) {
+              result += String.fromCharCode(m[1])
+            } else {
+              if(self.entities[buffer]) {
+                result += self.entities[buffer]
+              } else {
+                result += buffer
+              }
+            }
+            return ["text", result]
+          } else if(c == "&") {
+            err("Incorrect escape.")
+            result += buffer
+            buffer = c
+          } else if(/[a-z#0-9]/i.test(c)) {
+            buffer += c
+          } else if(c == ";") {
+            let m;
+            if (m = buffer.match(/^&#(x?[0-9]+)$/)) {
+              // we prepend "0" so that x20 be interpreted as hexadecim (0x20)
+              result += String.fromCharCode("0" + m[1])
+            } else if(self.entities[buffer + c]) {
+              result += self.entities[buffer + c]
+            } else if (m = Object.keys(entities).find(n => buffer.startsWith(n))) { // partial match
+              result += self.entities[m] + buffer.slice(m.length) + c
+            } else {
+              err("Incorrect escape.")
+              result += buffer + ";"
+            }
+            state = "data"
+          } else {
+            err("Incorrect escape.")
+            result += buffer + c
+            state = "data"
+          }
+        } else if(state == "tag") {
+          if(c == "\t" || c == "\n" || c == "\f" || c == " ") {
+            state = "start tag annotation"
+          } else if(c == ".") {
+            state = "start tag class"
+          } else if(c == "/") {
+            state = "end tag"
+          } else if(/\d/.test(c)) {
+            result = c
+            state = "timestamp tag"
+          } else if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            return ["start tag", "", [], ""]
+          } else {
+            result = c
+            state = "start tag"
+          }
+        } else if(state == "start tag") {
+          if(c == "\t" || c == "\f" || c == " ") {
+            state = "start tag annotation"
+          } else if(c == "\n") {
+            buffer = c
+            state = "start tag annotation"
+          } else if(c == ".") {
+            state = "start tag class"
+          } else if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            return ["start tag", result, [], ""]
+          } else {
+            result += c
+          }
+        } else if(state == "start tag class") {
+          if(c == "\t" || c == "\f" || c == " ") {
+            if (buffer) {
+              classes.push(buffer)
+            }
+            buffer = ""
+            state = "start tag annotation"
+          } else if(c == "\n") {
+            if (buffer) {
+              classes.push(buffer)
+            }
+            buffer = c
+            state = "start tag annotation"
+          } else if(c == ".") {
+            if (buffer) {
+              classes.push(buffer)
+            }
+            buffer = ""
+          } else if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            if (buffer) {
+              classes.push(buffer)
+            }
+            return ["start tag", result, classes, ""]
+          } else {
+            buffer += c
+          }
+        } else if(state == "start tag annotation") {
+          if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            buffer = buffer.split(/[\u0020\t\f\r\n]+/).filter(function(item) { if(item) return true }).join(" ")
+            return ["start tag", result, classes, buffer]
+          } else {
+            buffer +=c
+          }
+        } else if(state == "end tag") {
+          if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            return ["end tag", result]
+          } else {
+            result += c
+          }
+        } else if(state == "timestamp tag") {
+          if(c == ">" || c == undefined) {
+            if(c == ">") {
+              pos++
+            }
+            return ["timestamp", result]
+          } else {
+            result += c
+          }
+        } else {
+          err("Never happens.") // The joke is it might.
+        }
+        // 8
+        pos++
+      }
+    }
+  }
+
+  var WebVTTSerializer = function() {
+    function serializeTimestamp(seconds) {
+      const ms = ("00" + (seconds - Math.floor(seconds)).toFixed(3)*1000).slice(-3);
+      let h = 0, m = 0, s = 0;
+      if (seconds >= 3600) {
+        h = Math.floor(seconds/3600);
+      }
+      m = Math.floor((seconds - 3600*h) / 60);
+      s = Math.floor(seconds - 3600*h - 60*m);
+      return (h ? h + ":" : "") + ("" + m).padStart(2, "0") + ":" + ("" + s).padStart(2, "0") + "." + ms;
+    }
+    function serializeCueSettings(cue) {
+      var result = ""
+      const nonDefaultSettings = Object.keys(defaultCueSettings).filter(s => cue[s] !== defaultCueSettings[s]);
+      if (nonDefaultSettings.includes("direction")) {
+        result+= " vertical:" + cue.direction
+      }
+      if (nonDefaultSettings.includes("alignment")) {
+        result+= " align:" + cue.alignment
+      }
+      if (nonDefaultSettings.includes("size")) {
+        result+= " size:" + cue.size + "%"
+      }
+      if (nonDefaultSettings.includes("lineAlign") || nonDefaultSettings.includes("linePosition")) {
+        result += " line:" + cue.linePosition +  (cue.snapToLines ? "" : "%") + (cue.lineAlign && cue.lineAlign != defaultCueSettings.lineAlign ? "," + cue.lineAlign : "")
+      }
+      if (nonDefaultSettings.includes("textPosition") || nonDefaultSettings.includes("positionAlign")) {
+        result += " position:" + cue.textPosition + "%" + (cue.positionAlign && cue.positionAlign !== defaultCueSettings.positionAlign ? "," + cue.positionAlign : "")
+      }
+      return result
+    }
+    function serializeTree(tree) {
+      var result = ""
+      for (var i = 0; i < tree.length; i++) {
+        var node = tree[i]
+        if(node.type == "text") {
+          result += node.value.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+        } else if(node.type == "object") {
+          result += "<" + node.name
+          if(node.classes) {
+            for(var y = 0; y < node.classes.length; y++) {
+              result += "." + node.classes[y]
+            }
+          }
+          if(node.value) {
+            result += " " + node.value
+          }
+          result += ">"
+          if(node.children)
+            result += serializeTree(node.children)
+          result += "</" + node.name + ">"
+        } else if(node.type == "timestamp") {
+          result += "<" + serializeTimestamp(node.value) + ">"
+        } else {
+          result += "<" + node.value + ">"
+        }
+      }
+      return result
+    }
+    function serializeCue(cue) {
+      return (cue.id !== undefined ? cue.id + "\n" : "")
+        + serializeTimestamp(cue.startTime)
+        + " --> "
+        + serializeTimestamp(cue.endTime)
+        + serializeCueSettings(cue)
+        + "\n" + serializeTree(cue.tree.children) + "\n\n"
+    }
+    function serializeStyle(style) {
+      return "STYLE\n" + style + "\n\n"
+    }
+    this.serialize = function(cues, styles) {
+      var result = "WEBVTT\n\n"
+      if (styles) {
+        for(var i=0;i<styles.length;i++) {
+          result += serializeStyle(styles[i])
+        }
+      }
+      for(var i=0;i<cues.length;i++) {
+        result += serializeCue(cues[i])
+      }
+      return result
+    }
+  }
+
+  function exportify(object) {
+    object.WebVTTParser = WebVTTParser
+    object.WebVTTCueTimingsAndSettingsParser = WebVTTCueTimingsAndSettingsParser
+    object.WebVTTCueTextParser = WebVTTCueTextParser
+    object.WebVTTSerializer = WebVTTSerializer
+  }
+  if (typeof window !== 'undefined') exportify(window);
+  if (typeof exports !== 'undefined') exportify(exports);
+})()

packages/artplayer-plugin-multiple-subtitles/types/artplayer-plugin-multiple-subtitles.d.ts

@@ -0,0 +1,15 @@
+import type Artplayer from 'artplayer';
+
+export = artplayerPluginMultipleSubtitles;
+export as namespace artplayerPluginMultipleSubtitles;
+
+declare const artplayerPluginMultipleSubtitles: (option: {
+    subtitles: {
+        url?: string;
+        name?: string;
+        type?: 'vtt' | 'srt' | 'ass';
+        encoding?: string;
+    }[];
+}) => (art: Artplayer) => {
+    name: 'artplayerPluginMultipleSubtitles';
+};