/*!
 * artplayer-plugin-multiple-subtitles.js v1.2.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 */
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": "‎",
      "&rlm": "‏",
      "&nbsp": " "
    };
  }
  this.entities = entities;
  this.parse = function(input, mode) {
    input = input.replace(/\0/g, "�");
    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, line: linePos + 1, col });
    }
    var line = lines[linePos], lineLength = line.length, signature = "WEBVTT", bom = 0, signature_length = signature.length;
    if (line[0] === "\uFEFF") {
      bom = 1;
      signature_length += 1;
    }
    if (lineLength < signature_length || line.indexOf(signature) !== 0 + bom || lineLength > signature_length && line[signature_length] !== " " && line[signature_length] !== "	") {
      err('No valid signature. (File needs to start with "WEBVTT".)');
    }
    linePos++;
    while (lines[linePos] != "" && lines[linePos] != void 0) {
      err("No blank line after the signature.");
      if (lines[linePos].indexOf("-->") != -1) {
        alreadyCollected = true;
        break;
      }
      linePos++;
    }
    while (lines[linePos] != void 0) {
      var cue;
      while (!alreadyCollected && lines[linePos] == "") {
        linePos++;
      }
      if (!alreadyCollected && lines[linePos] == void 0) break;
      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];
        if (/^NOTE($|[ \t])/.test(cue.id)) {
          linePos++;
          while (lines[linePos] != "" && lines[linePos] != void 0) {
            if (lines[linePos].indexOf("-->") != -1) err("Cannot have timestamp in a comment.");
            linePos++;
          }
          continue;
        }
        if (/^STYLE($|[ \t])/.test(cue.id)) {
          var style = [];
          var invalid = false;
          linePos++;
          while (lines[linePos] != "" && lines[linePos] != void 0) {
            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] == void 0) {
          err("Cue identifier cannot be standalone.");
          continue;
        }
        if (lines[linePos].indexOf("-->") == -1) {
          parseTimings = false;
          err("Cue identifier needs to be followed by timestamp.");
          continue;
        }
      }
      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)) {
        cue = null;
        linePos++;
        while (lines[linePos] != "" && lines[linePos] != void 0) {
          if (lines[linePos].indexOf("-->") != -1) {
            alreadyCollected = true;
            break;
          }
          linePos++;
        }
        continue;
      }
      linePos++;
      while (lines[linePos] != "" && lines[linePos] != void 0) {
        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++;
      }
      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;
    });
    return { cues, errors, time: Date.now() - startTime, 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);
  };
  function skip(pattern) {
    while (line[pos] != void 0 && pattern.test(line[pos])) {
      pos++;
    }
  }
  function collect(pattern) {
    var str = "";
    while (line[pos] != void 0 && pattern.test(line[pos])) {
      str += line[pos];
      pos++;
    }
    return str;
  }
  function timestamp() {
    var units = "minutes", val1, val2, val3, val4;
    if (line[pos] == void 0) {
      err("No timestamp found.");
      return;
    }
    if (!/\d/.test(line[pos])) {
      err("Timestamp must start with a character in the range 0-9.");
      return;
    }
    val1 = collect(/\d/);
    if (val1.length > 2 || parseInt(val1, 10) > 59) {
      units = "hours";
    }
    if (line[pos] != ":") {
      err("No time unit separator found.");
      return;
    }
    pos++;
    val2 = collect(/\d/);
    if (val2.length != 2) {
      err("Must be exactly two digits.");
      return;
    }
    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";
    }
    if (line[pos] != ".") {
      err('No decimal separator (".") found.');
      return;
    }
    pos++;
    val4 = collect(/\d/);
    if (val4.length != 3) {
      err("Milliseconds must be given in three digits.");
      return;
    }
    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) / 1e3;
  }
  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") {
        if (value != "rl" && value != "lr") {
          err("Writing direction can only be set to 'rl' or 'rl'.");
          continue;
        }
        cue.direction = value;
      } else if (setting == "line") {
        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 !== void 0) {
          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") {
        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 !== void 0) {
          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") {
        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 === void 0 || 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") {
        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 == void 0) {
      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);
    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 == void 0) {
      return;
    }
    if (cue.endTime <= cue.startTime) {
      err("End timestamp is not greater than start timestamp.");
    }
    if (NOSPACE.test(line[pos])) ;
    skip(SPACE);
    parseSettings(line.substring(pos), cue);
    return true;
  };
  this.parseTimestamp = function() {
    var ts = timestamp();
    if (line[pos] != void 0) {
      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(token2) {
      current.children.push({
        type: "object",
        name: token2[1],
        classes: token2[2],
        children: [],
        parent: current
      });
      current = current.children[current.children.length - 1];
    }
    function inScope(name2) {
      var node = current;
      while (node) {
        if (node.name == name2) return true;
        node = node.parent;
      }
      return;
    }
    while (line[pos] != void 0) {
      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];
          if (!token[3]) {
            err("<v> requires an annotation.");
          }
        } else if (name == "lang") {
          attach(token);
          current.value = token[3];
        } else {
          err("Incorrect start tag.");
        }
      } else if (token[0] == "end tag") {
        if (mode == "chapters") err("End tags not allowed in chapter title text.");
        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 != void 0) {
          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] != void 0 || 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 == void 0) {
          return ["text", result];
        } else {
          result += c;
        }
      } else if (state == "escape") {
        if (c == "<" || c == void 0) {
          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]+)$/)) {
            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))) {
            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 == "	" || 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 == void 0) {
          if (c == ">") {
            pos++;
          }
          return ["start tag", "", [], ""];
        } else {
          result = c;
          state = "start tag";
        }
      } else if (state == "start tag") {
        if (c == "	" || 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 == void 0) {
          if (c == ">") {
            pos++;
          }
          return ["start tag", result, [], ""];
        } else {
          result += c;
        }
      } else if (state == "start tag class") {
        if (c == "	" || 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 == void 0) {
          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 == void 0) {
          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 == void 0) {
          if (c == ">") {
            pos++;
          }
          return ["end tag", result];
        } else {
          result += c;
        }
      } else if (state == "timestamp tag") {
        if (c == ">" || c == void 0) {
          if (c == ">") {
            pos++;
          }
          return ["timestamp", result];
        } else {
          result += c;
        }
      } else {
        err("Never happens.");
      }
      pos++;
    }
  }
};
var WebVTTSerializer = function() {
  function serializeTimestamp(seconds) {
    const ms = ("00" + (seconds - Math.floor(seconds)).toFixed(3) * 1e3).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 !== void 0 ? 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;
  };
};
async function loadVtt(option, { getExt, srtToVtt, assToVtt }) {
  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 mergeTrees(trees) {
  const parser = new WebVTTParser();
  const result = parser.parse("", "metadata");
  for (let i = 0; i < trees.length; i++) {
    const tree = trees[i];
    if (!tree.updated) {
      tree.updated = true;
      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-${tree.name}">${children.value}</div>`;
        }
      }
    }
    result.cues.push(...tree.cues);
  }
  return result;
}
function artplayerPluginMultipleSubtitles({ subtitles = [] }) {
  return async (art) => {
    const { unescape, getExt, srtToVtt, assToVtt } = art.constructor.utils;
    const parser = new WebVTTParser();
    const seri = new WebVTTSerializer();
    const vtts = await Promise.all(
      subtitles.map((option) => {
        return loadVtt(option, { getExt, srtToVtt, assToVtt });
      })
    );
    const trees = vtts.map((vtt, index) => {
      const tree = parser.parse(vtt, "metadata");
      tree.url = subtitles[index].url;
      tree.name = subtitles[index].name;
      return tree;
    });
    let lastUrl = "";
    function setTracks(trees2 = []) {
      const tree = mergeTrees(trees2);
      const vtt = seri.serialize(tree.cues);
      URL.revokeObjectURL(lastUrl);
      const url = URL.createObjectURL(new Blob([vtt], { type: "text/vtt" }));
      lastUrl = url;
      art.option.subtitle.escape = false;
      art.subtitle.init({
        ...art.option.subtitle,
        url,
        type: "vtt",
        onVttLoad: unescape
      });
    }
    setTracks(trees);
    return {
      name: "multipleSubtitles",
      tracks(names = []) {
        return setTracks(names.map((name) => trees.find((tree) => tree.name === name)));
      },
      reset() {
        return setTracks(trees);
      }
    };
  };
}
export {
  artplayerPluginMultipleSubtitles as default
};