Anjing Webshells

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Filename : subtitle.cjs.development.js
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'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var stream = require('stream');
var multipipe = _interopDefault(require('multipipe'));
var split2 = _interopDefault(require('split2'));
var stripBom = _interopDefault(require('strip-bom'));

var filter = function filter(callback) {
  return new stream.Transform({
    objectMode: true,
    autoDestroy: false,
    transform: function transform(chunk, _encoding, next) {
      callback(chunk) ? next(null, chunk) : next();
    }
  });
};

function _extends() {
  _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  return _extends.apply(this, arguments);
}

var padLeft = function padLeft(value, length) {
  if (length === void 0) {
    length = 2;
  }

  return value.toString().padStart(length, '0');
};
var createDuplex = function createDuplex(options) {
  return new stream.Duplex(_extends({
    objectMode: true,
    autoDestroy: false,
    read: function read() {}
  }, options));
};

function formatTimestamp(timestamp, options) {
  if (options === void 0) {
    options = {
      format: 'SRT'
    };
  }

  var date = new Date(0, 0, 0, 0, 0, 0, timestamp);
  var hours = date.getHours();
  var minutes = date.getMinutes();
  var seconds = date.getSeconds();
  var ms = Math.floor(timestamp - (hours * 3600000 + minutes * 60000 + seconds * 1000));
  return padLeft(hours) + ":" + padLeft(minutes) + ":" + padLeft(seconds) + (options.format === 'WebVTT' ? '.' : ',') + padLeft(ms, 3);
}

var map = function map(mapper) {
  var index = 0;
  return new stream.Transform({
    objectMode: true,
    autoDestroy: false,
    transform: function transform(chunk, _encoding, callback) {
      callback(null, mapper(chunk, index++));
    }
  });
};

var Parser = /*#__PURE__*/function () {
  function Parser(_ref) {
    var push = _ref.push;
    this.push = push;
    this.state = {
      expect: 'header',
      row: 0,
      hasContentStarted: false,
      isWebVTT: false,
      node: {},
      buffer: []
    };
  }

  var _proto = Parser.prototype;

  _proto.isIndex = function isIndex(line) {
    return /^\d+$/.test(line.trim());
  };

  _proto.isTimestamp = function isTimestamp(line) {
    return RE_TIMESTAMP.test(line);
  };

  _proto.isVttComment = function isVttComment(line) {
    return /^NOTE/.test(line);
  };

  _proto.getError = function getError(expected, index, row) {
    return new Error("expected " + expected + " at row " + (index + 1) + ", but received: \"" + row + "\"");
  };

  _proto.parseLine = function parseLine(line) {
    var contents = this.state.row === 0 ? stripBom(line) : line;

    if (!this.state.hasContentStarted) {
      if (contents.trim()) {
        this.state.hasContentStarted = true;
      } else {
        return;
      }
    }

    var parse = {
      header: this.parseHeader,
      id: this.parseId,
      timestamp: this.parseTimestamp,
      text: this.parseText,
      vtt_comment: this.parseVttComment
    }[this.state.expect];
    parse.call(this, contents);
    this.state.row++;
  };

  _proto.flush = function flush() {
    if (this.state.buffer.length > 0) {
      this.pushNode();
    }
  };

  _proto.parseHeader = function parseHeader(line) {
    if (!this.state.isWebVTT) {
      this.state.isWebVTT = /^WEBVTT/.test(line);

      if (this.state.isWebVTT) {
        this.state.node.type = 'header';
      } else {
        this.parseId(line);
        return;
      }
    }

    this.state.buffer.push(line);

    if (!line) {
      this.state.expect = 'id';
      return;
    }
  };

  _proto.parseId = function parseId(line) {
    this.state.expect = 'timestamp';

    if (this.state.node.type === 'header') {
      this.pushNode();
    }

    if (this.isIndex(line)) return;

    if (this.state.isWebVTT && this.isVttComment(line)) {
      this.state.expect = 'vtt_comment';
      return;
    }

    this.parseTimestamp(line);
  };

  _proto.parseVttComment = function parseVttComment(line) {
    this.state.expect = 'vtt_comment';

    if (line.trim() === '') {
      this.state.expect = 'id';
    }
  };

  _proto.parseTimestamp = function parseTimestamp(line) {
    if (!this.isTimestamp(line)) {
      throw this.getError('timestamp', this.state.row, line);
    }

    this.state.node = {
      type: 'cue',
      data: _extends({}, parseTimestamps(line), {
        text: ''
      })
    };
    this.state.expect = 'text';
  };

  _proto.parseText = function parseText(line) {
    if (this.state.buffer.length === 0) {
      this.state.buffer.push(line);
      return;
    }

    if (this.isTimestamp(line)) {
      var lastIndex = this.state.buffer.length - 1;

      if (this.isIndex(this.state.buffer[lastIndex])) {
        this.state.buffer.pop();
      }

      this.pushNode();
      this.parseTimestamp(line);
      return;
    }

    if (this.isVttComment(line)) {
      this.pushNode();
      this.parseVttComment(line);
      return;
    }

    this.state.buffer.push(line);
  };

  _proto.pushNode = function pushNode() {
    if (this.state.node.type === 'cue') {
      while (true) {
        var lastItem = this.state.buffer[this.state.buffer.length - 1];

        if (['', '\n'].includes(lastItem)) {
          this.state.buffer.pop();
        } else {
          break;
        }
      }

      while (true) {
        var firstItem = this.state.buffer[0];

        if (['', '\n'].includes(firstItem)) {
          this.state.buffer.shift();
        } else {
          break;
        }
      }

      this.state.node.data.text = this.state.buffer.join('\n');
    }

    if (this.state.node.type === 'header') {
      this.state.node.data = this.state.buffer.join('\n').trim();
    }

    this.push(this.state.node);
    this.state.node = {};
    this.state.buffer = [];
  };

  return Parser;
}();

var parse = function parse() {
  var parser = new Parser({
    push: function push(node) {
      return outputStream.push(node);
    }
  });
  var stream = createDuplex({
    write: function write(chunk, _encoding, next) {
      try {
        parser.parseLine(chunk.toString());
      } catch (err) {
        return next(err);
      }

      next();
    }
  });
  var splitStream = split2();
  splitStream.on('finish', function () {
    parser.flush();
    stream.push(null);
  });
  var outputStream = multipipe(splitStream, stream, {
    objectMode: true
  });
  return outputStream;
};

var parseSync = function parseSync(input) {
  var buffer = [];
  var parser = new Parser({
    push: function push(node) {
      return buffer.push(node);
    }
  });
  input.replace(/\r\n/g, '\n').split('\n').forEach(function (line) {
    return parser.parseLine(line);
  });
  parser.flush();
  return buffer;
};

function parseTimestamp(timestamp) {
  var match = timestamp.match(/^(?:(\d{1,}):)?(\d{2}):(\d{2})[,.](\d{3})$/);

  if (!match) {
    throw new Error('Invalid SRT or VTT time format: "' + timestamp + '"');
  }

  var hours = match[1] ? parseInt(match[1], 10) * 3600000 : 0;
  var minutes = parseInt(match[2], 10) * 60000;
  var seconds = parseInt(match[3], 10) * 1000;
  var milliseconds = parseInt(match[4], 10);
  return hours + minutes + seconds + milliseconds;
}

var RE_TIMESTAMP = /^((?:\d{1,}:)?\d{2}:\d{2}[,.]\d{3}) --> ((?:\d{1,}:)?\d{2}:\d{2}[,.]\d{3})(?: (.*))?$/;
function parseTimestamps(value) {
  var match = RE_TIMESTAMP.exec(value);

  if (!match) {
    throw new Error('Invalid timestamp format');
  }

  var timestamp = {
    start: parseTimestamp(match[1]),
    end: parseTimestamp(match[2])
  };

  if (match[3]) {
    timestamp.settings = match[3];
  }

  return timestamp;
}

var resync = function resync(time) {
  return map(function (node) {
    if (node.type === 'cue') {
      return _extends({}, node, {
        data: _extends({}, node.data, {
          start: node.data.start + time,
          end: node.data.end + time
        })
      });
    }

    return node;
  });
};

var Formatter = /*#__PURE__*/function () {
  function Formatter(options) {
    this.options = options;
    this.hasReceivedHeader = false;
    this.isVTT = options.format === 'WebVTT';
    this.index = 1;
  }

  var _proto = Formatter.prototype;

  _proto.format = function format(node) {
    var buffer = '';

    if (node.type === 'header' && this.isVTT) {
      this.hasReceivedHeader = true;
      buffer += node.data + "\n\n";
    }

    if (node.type === 'cue') {
      if (!this.hasReceivedHeader && this.isVTT) {
        this.hasReceivedHeader = true;
        buffer += 'WEBVTT\n\n';
      }

      buffer += this.formatCue(node.data, this.index++, this.options);
    }

    return buffer;
  };

  _proto.formatCue = function formatCue(cue, index, options) {
    return ["" + (index > 1 ? '\n' : '') + index, formatTimestamp(cue.start, options) + " --> " + formatTimestamp(cue.end, options) + (options.format === 'WebVTT' && cue.settings ? ' ' + cue.settings : ''), cue.text, ''].join('\n');
  };

  return Formatter;
}();

var stringify = function stringify(options) {
  var formatter = new Formatter(options);
  return map(function (chunk) {
    return formatter.format(chunk);
  });
};

var stringifySync = function stringifySync(list, options) {
  var formatter = new Formatter(options);
  return list.reduce(function (buffer, node) {
    return buffer + formatter.format(node);
  }, '');
};

exports.RE_TIMESTAMP = RE_TIMESTAMP;
exports.filter = filter;
exports.formatTimestamp = formatTimestamp;
exports.map = map;
exports.parse = parse;
exports.parseSync = parseSync;
exports.parseTimestamp = parseTimestamp;
exports.parseTimestamps = parseTimestamps;
exports.resync = resync;
exports.stringify = stringify;
exports.stringifySync = stringifySync;
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