ArtPlayer/docs/compiled/artplayer-plugin-multiple-subtitles.legacy.js

/*!
 * artplayer-plugin-multiple-subtitles.js v1.2.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 *
 * This package includes WebVTT parser and serializer code from w3c/webvtt.js.
 * Reference revision: 380cfcce34ba8b472d3a31474874eb72a0e5f460
 * https://github.com/w3c/webvtt.js/tree/380cfcce34ba8b472d3a31474874eb72a0e5f460
 * The parser has a CC0 public-domain dedication. Local adaptations replace
 * the IIFE/global exports with named ESM exports and format the code.
 * The ArtPlayer plugin wrapper remains MIT licensed.
 *
 * ## creative commons
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!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.artplayerPluginMultipleSubtitles=t(),define(function(){return e.artplayerPluginMultipleSubtitles})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginMultipleSubtitles=t()}(this,function(){"use strict";var e=Object.defineProperty,t=Object.defineProperties,n=Object.getOwnPropertyDescriptors,i=Object.getOwnPropertySymbols,r=Object.prototype.hasOwnProperty,s=Object.prototype.propertyIsEnumerable,a=(t,n,i)=>n in t?e(t,n,{enumerable:!0,configurable:!0,writable:!0,value:i}):t[n]=i,o=(e,t)=>{for(var n in t||(t={}))r.call(t,n)&&a(e,n,t[n]);if(i)for(var n of i(t))s.call(t,n)&&a(e,n,t[n]);return e},l=(e,i)=>t(e,n(i)),c=(e,t,n)=>new Promise((i,r)=>{var s=e=>{try{o(n.next(e))}catch(t){r(t)}},a=e=>{try{o(n.throw(e))}catch(t){r(t)}},o=e=>e.done?i(e.value):Promise.resolve(e.value).then(s,a);o((n=n.apply(e,t)).next())}),f={direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center"},u=function(e){e||(e={"&amp":"&","&lt":"<","&gt":">","&lrm":"\u200e","&rlm":"\u200f","&nbsp":"\xa0"}),this.entities=e,this.parse=function(t,n){t=t.replace(/\0/g,"\ufffd");var i=Date.now(),r=0,s=t.split(/\r\n|\r|\n/),a=!1,o=[],l=[],c=[];function u(e,t){c.push({message:e,line:r+1,col:t})}var m=s[r],h=m.length,g="WEBVTT",v=0,b=6;for("\ufeff"===m[0]&&(v=1,b+=1),(h<b||m.indexOf(g)!==0+v||h>b&&" "!==m[b]&&"\t"!==m[b])&&u('No valid signature. (File needs to start with "WEBVTT".)'),r++;""!=s[r]&&void 0!=s[r];){if(u("No blank line after the signature."),-1!=s[r].indexOf("--\x3e")){a=!0;break}r++}for(;void 0!=s[r];){for(var y;!a&&""==s[r];)r++;if(!a&&void 0==s[r])break;y=Object.assign({},f,{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 x=!0;if(-1==s[r].indexOf("--\x3e")){if(y.id=s[r],/^NOTE($|[ \t])/.test(y.id)){for(r++;""!=s[r]&&void 0!=s[r];)-1!=s[r].indexOf("--\x3e")&&u("Cannot have timestamp in a comment."),r++;continue}if(/^STYLE($|[ \t])/.test(y.id)){var T=[],w=!1;for(r++;""!=s[r]&&void 0!=s[r];)-1!=s[r].indexOf("--\x3e")&&(u("Cannot have timestamp in a style block."),w=!0),T.push(s[r]),r++;if(l.length){u("Style blocks cannot appear after the first cue.");continue}w||o.push(T.join("\n"));continue}if(""==s[++r]||void 0==s[r]){u("Cue identifier cannot be standalone.");continue}if(-1==s[r].indexOf("--\x3e")){x=!1,u("Cue identifier needs to be followed by timestamp.");continue}}a=!1;var O=new d(s[r],u),P=0;if(l.length>0&&(P=l[l.length-1].startTime),!x||O.parse(y,P)){for(r++;""!=s[r]&&void 0!=s[r];){if(-1!=s[r].indexOf("--\x3e")){u("Blank line missing before cue."),a=!0;break}""!=y.text&&(y.text+="\n"),y.text+=s[r],r++}var A=new p(y.text,u,n,e);y.tree=A.parse(y.startTime,y.endTime),l.push(y)}else for(y=null,r++;""!=s[r]&&void 0!=s[r];){if(-1!=s[r].indexOf("--\x3e")){a=!0;break}r++}}return l.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:l,errors:c,time:Date.now()-i,styles:o}}},d=function(e,t){var n=/[\u0020\t\f]/,i=/[^\u0020\t\f]/,r=(e=e,0),s=function(e){t(e,r+1)};function a(t){for(;void 0!=e[r]&&t.test(e[r]);)r++}function o(t){for(var n="";void 0!=e[r]&&t.test(e[r]);)n+=e[r],r++;return n}function l(){var t,n,i,a,l="minutes";if(void 0!=e[r])if(/\d/.test(e[r]))if(((t=o(/\d/)).length>2||parseInt(t,10)>59)&&(l="hours"),":"==e[r])if(r++,2==(n=o(/\d/)).length){if("hours"==l||":"==e[r]){if(":"!=e[r])return void s("No seconds found or minutes is greater than 59.");if(r++,2!=(i=o(/\d/)).length)return void s("Must be exactly two digits.")}else{if(2!=t.length)return void s("Must be exactly two digits.");i=n,n=t,t="0"}if("."==e[r])if(r++,3==(a=o(/\d/)).length)if(parseInt(n,10)>59)s("You cannot have more than 59 minutes.");else{if(!(parseInt(i,10)>59))return 60*parseInt(t,10)*60+60*parseInt(n,10)+parseInt(i,10)+parseInt(a,10)/1e3;s("You cannot have more than 59 seconds.")}else s("Milliseconds must be given in three digits.");else s('No decimal separator (".") found.')}else s("Must be exactly two digits.");else s("No time unit separator found.");else s("Timestamp must start with a character in the range 0-9.");else s("No timestamp found.")}this.parse=function(t,o){if(a(n),t.startTime=l(),void 0!=t.startTime)if(t.startTime<o&&s("Start timestamp is not greater than or equal to start timestamp of previous cue."),i.test(e[r])&&s("Timestamp not separated from '--\x3e' by whitespace."),a(n),"-"==e[r])if(r++,"-"==e[r])if(r++,">"==e[r]){if(r++,i.test(e[r])&&s("'--\x3e' not separated from timestamp by whitespace."),a(n),t.endTime=l(),void 0!=t.endTime)return t.endTime<=t.startTime&&s("End timestamp is not greater than start timestamp."),i.test(e[r]),a(n),function(e,t){for(var i=e.split(n),r=[],a=0;a<i.length;a++)if(""!=i[a]){var o=i[a].indexOf(":"),l=i[a].slice(0,o),c=i[a].slice(o+1);if(-1!=r.indexOf(l)&&s("Duplicate setting."),r.push(l),""==c)return void s("No value for setting defined.");if("vertical"==l){if("rl"!=c&&"lr"!=c){s("Writing direction can only be set to 'rl' or 'rl'.");continue}t.direction=c}else if("line"==l){if(/,/.test(c)){var f=c.split(",");c=f[0];var u=f[1]}if(!/^[-\d](\d*)(\.\d+)?%?$/.test(c)){s("Line position takes a number or percentage.");continue}if(-1!=c.indexOf("-",1)){s("Line position can only have '-' at the start.");continue}if(-1!=c.indexOf("%")&&c.indexOf("%")!=c.length-1){s("Line position can only have '%' at the end.");continue}if("-"==c[0]&&"%"==c[c.length-1]){s("Line position cannot be a negative percentage.");continue}var d=c,p=!1;if("%"==c[c.length-1]&&(p=!0,d=c.slice(0,c.length-1),parseInt(c,10)>100)){s("Line position cannot be >100%.");continue}if(""===d||isNaN(d)||!isFinite(d)){s("Line position needs to be a number");continue}if(void 0!==u){if(!["start","center","end"].includes(u)){s("Line alignment needs to be one of start, center or end");continue}t.lineAlign=u}t.snapToLines=!p,t.linePosition=parseFloat(d),parseFloat(d).toString()!==d&&(t.nonSerializable=!0)}else if("position"==l){if(/,/.test(c)){f=c.split(","),c=f[0];var m=f[1]}if("%"!=c[c.length-1]){s("Text position must be a percentage.");continue}if(parseInt(c,10)>100||parseInt(c,10)<0){s("Text position needs to be between 0 and 100%.");continue}if(""===(d=c.slice(0,c.length-1))||isNaN(d)||!isFinite(d)){s("Line position needs to be a number");continue}if(void 0!==m){if(!["line-left","center","line-right"].includes(m)){s("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("%"!=c[c.length-1]){s("Size must be a percentage.");continue}if(parseInt(c,10)>100){s("Size cannot be >100%.");continue}var h=c.slice(0,c.length-1);if(void 0===h||""===h||isNaN(h)){s("Size needs to be a number"),h=100;continue}if((h=parseFloat(h))<0||h>100){s("Size needs to be between 0 and 100%.");continue}t.size=h}else if("align"==l){var g=["start","center","end","left","right"];if(-1==g.indexOf(c)){s("Alignment can only be set to one of "+g.join(", ")+".");continue}t.alignment=c}else s("Invalid setting.")}}(e.substring(r),t),!0}else s("No valid timestamp separator found.");else s("No valid timestamp separator found.");else s("No valid timestamp separator found.")},this.parseTimestamp=function(){var t=l();if(void 0==e[r])return t;s("Timestamp must not have trailing characters.")}},p=function(e,t,n,i){this.entities=i;var r=this,s=(e=e,0),a=function(e){"metadata"!=n&&t(e,s+1)};function l(){for(var t="data",n="",o="",l=[];void 0!=e[s-1]||0==s;){var c=e[s];if("data"==t)if("&"==c)o=c,t="escape";else if("<"==c&&""==n)t="tag";else{if("<"==c||void 0==c)return["text",n];n+=c}else if("escape"==t){if("<"==c||void 0==c){let e;return a("Incorrect escape."),(e=o.match(/^&#([0-9]+)$/))?n+=String.fromCharCode(e[1]):r.entities[o]?n+=r.entities[o]:n+=o,["text",n]}if("&"==c)a("Incorrect escape."),n+=o,o=c;else if(/[a-z#0-9]/i.test(c))o+=c;else if(";"==c){let e;(e=o.match(/^&#(x?[0-9]+)$/))?n+=String.fromCharCode("0"+e[1]):r.entities[o+c]?n+=r.entities[o+c]:(e=Object.keys(i).find(e=>o.startsWith(e)))?n+=r.entities[e]+o.slice(e.length)+c:(a("Incorrect escape."),n+=o+";"),t="data"}else a("Incorrect escape."),n+=o+c,t="data"}else if("tag"==t)if("\t"==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))n=c,t="timestamp tag";else{if(">"==c||void 0==c)return">"==c&&s++,["start tag","",[],""];n=c,t="start tag"}else if("start tag"==t)if("\t"==c||"\f"==c||" "==c)t="start tag annotation";else if("\n"==c)o=c,t="start tag annotation";else if("."==c)t="start tag class";else{if(">"==c||void 0==c)return">"==c&&s++,["start tag",n,[],""];n+=c}else if("start tag class"==t)if("\t"==c||"\f"==c||" "==c)o&&l.push(o),o="",t="start tag annotation";else if("\n"==c)o&&l.push(o),o=c,t="start tag annotation";else if("."==c)o&&l.push(o),o="";else{if(">"==c||void 0==c)return">"==c&&s++,o&&l.push(o),["start tag",n,l,""];o+=c}else if("start tag annotation"==t){if(">"==c||void 0==c)return">"==c&&s++,["start tag",n,l,o=o.split(/[\u0020\t\f\r\n]+/).filter(function(e){if(e)return!0}).join(" ")];o+=c}else if("end tag"==t){if(">"==c||void 0==c)return">"==c&&s++,["end tag",n];n+=c}else if("timestamp tag"==t){if(">"==c||void 0==c)return">"==c&&s++,["timestamp",n];n+=c}else a("Never happens.");s++}}this.parse=function(t,i){var r={children:[]},c=r,f=[];function u(e){c.children.push({type:"object",name:e[1],classes:e[2],children:[],parent:c}),c=c.children[c.children.length-1]}function p(e){for(var t=c;t;){if(t.name==e)return!0;t=t.parent}}for(;void 0!=e[s];){var m=l();if("text"==m[0])c.children.push({type:"text",value:m[1],parent:c});else if("start tag"==m[0]){"chapters"==n&&a("Start tags not allowed in chapter title text.");var h=m[1];"v"!=h&&"lang"!=h&&""!=m[3]&&a("Only <v> and <lang> can have an annotation."),"c"==h||"i"==h||"b"==h||"u"==h||"ruby"==h||"rt"==h&&"ruby"==c.name?u(m):"v"==h?(p("v")&&a("<v> cannot be nested inside itself."),u(m),c.value=m[3],m[3]||a("<v> requires an annotation.")):"lang"==h?(u(m),c.value=m[3]):a("Incorrect start tag.")}else if("end tag"==m[0])"chapters"==n&&a("End tags not allowed in chapter title text."),m[1]==c.name?c=c.parent:"ruby"==m[1]&&"rt"==c.name?c=c.parent.parent:a("Incorrect end tag.");else if("timestamp"==m[0]){"chapters"==n&&a("Timestamp not allowed in chapter title text.");var g=new d(m[1],a).parseTimestamp();void 0!=g&&((g<=t||g>=i)&&a("Timestamp must be between start timestamp and end timestamp."),f.length>0&&f[f.length-1]>=g&&a("Timestamp must be greater than any previous timestamp."),c.children.push({type:"timestamp",value:g,parent:c}),f.push(g))}}for(;c.parent;)"v"!=c.name&&a("Required end tag missing."),c=c.parent;return function e(t){const n=o({},t);return t.children&&(n.children=t.children.map(e)),n.parent&&delete n.parent,n}(r)}},m=function(){function e(e){const t=("00"+1e3*(e-Math.floor(e)).toFixed(3)).slice(-3);let 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}function t(n){for(var i="",r=0;r<n.length;r++){var s=n[r];if("text"==s.type)i+=s.value.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");else if("object"==s.type){if(i+="<"+s.name,s.classes)for(var a=0;a<s.classes.length;a++)i+="."+s.classes[a];s.value&&(i+=" "+s.value),i+=">",s.children&&(i+=t(s.children)),i+="</"+s.name+">"}else"timestamp"==s.type?i+="<"+e(s.value)+">":i+="<"+s.value+">"}return i}function n(n){return(void 0!==n.id?n.id+"\n":"")+e(n.startTime)+" --\x3e "+e(n.endTime)+function(e){var t="";const n=Object.keys(f).filter(t=>e[t]!==f[t]);return n.includes("direction")&&(t+=" vertical:"+e.direction),n.includes("alignment")&&(t+=" align:"+e.alignment),n.includes("size")&&(t+=" size:"+e.size+"%"),(n.includes("lineAlign")||n.includes("linePosition"))&&(t+=" line:"+e.linePosition+(e.snapToLines?"":"%")+(e.lineAlign&&e.lineAlign!=f.lineAlign?","+e.lineAlign:"")),(n.includes("textPosition")||n.includes("positionAlign"))&&(t+=" 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c=e.subtitle.init(r);Promise.resolve(c).catch(e=>{i===a&&(i=null,a.free()),t.closed||console.warn("Failed to initialize multiple subtitles:",e)})}catch(p){throw i===a&&(i=c,d&&!1===f.escape&&(f.escape=u)),a.free(),p}finally{c!==i&&(null==c||c.free()),a!==i&&a.free()}}}function y({subtitles:e=[]}){return t=>c(null,null,function*(){const{unescape:n,getExt:i,srtToVtt:r,assToVtt:s}=t.constructor.utils,a=function(e){let t=Boolean(e.isDestroy);const n=new Set;let i;const r=new Promise(e=>{i=e});function s(e){try{e()}catch(t){console.warn("Failed to clean up multiple subtitles:",t)}}const a={get closed(){return t},own:e=>(t?s(e):n.add(e),()=>n.delete(e)),wait:e=>Promise.race([e,r]),dispose(){if(t)return;t=!0,i();const e=[...n].reverse();n.clear();for(const t of e)s(t)}};if(!t){a.own(()=>e.off("destroy",a.dispose));try{e.on("destroy",a.dispose)}catch(o){throw a.dispose(),o}}return a}(t),f=b(t,a,n);let d=[];function p(e){a.closed||f(function(e){const t=[];for(const n of e){const e=n;for(const n 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