(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.ytSearch = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var _cheerio = require('cheerio');

var _dasu = require('dasu');

var _parallel = require('async.parallellimit'); // auto follow off


_dasu.follow = true;
_dasu.debug = false;

var _require = require('./util.js'),
    _getScripts = _require._getScripts,
    _findLine = _require._findLine,
    _between = _require._between;

var MAX_RETRY_ATTEMPTS = 3;
var RETRY_INTERVAL = 333; // ms

var jpp = require('jsonpath-plus').JSONPath;

var _jp = {}; // const items = _jp.query( json, '$..itemSectionRenderer..contents.*' )

_jp.query = function (json, path) {
  var opts = {
    path: path,
    json: json,
    resultType: 'value'
  };
  return jpp(opts);
}; // const listId = hasList && ( _jp.value( item, '$..playlistId' ) )


_jp.value = function (json, path) {
  var opts = {
    path: path,
    json: json,
    resultType: 'value'
  };
  var r = jpp(opts)[0];
  return r;
}; // google bot user-agent
// Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
// use fixed user-agent to get consistent html page documents as
// it varies depending on the user-agent
// the string "Googlebot" seems to give us pages without
// warnings to update our browser, which is why we keep it in


var DEFAULT_USER_AGENT = 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) (yt-search; https://www.npmjs.com/package/yt-search)';
var _userAgent = DEFAULT_USER_AGENT; // mutable global user-agent

var _url = require('url');

var _envs = {};
Object.keys(process.env).forEach(function (key) {
  var n = process.env[key];

  if (n == '0' || n == 'false' || !n) {
    return _envs[key] = false;
  }

  _envs[key] = n;
});
var _debugging = _envs.debug;

function debug() {
  if (!_debugging) return;
  console.log.apply(this, arguments);
} // used to escape query strings


var _querystring = require('querystring');

var _humanTime = require('human-time');

var TEMPLATES = {
  YT: 'https://youtube.com',
  SEARCH_MOBILE: 'https://m.youtube.com/results',
  SEARCH_DESKTOP: 'https://www.youtube.com/results'
};
var ONE_SECOND = 1000;
var ONE_MINUTE = ONE_SECOND * 60;
var TIME_TO_LIVE = ONE_MINUTE * 5;
/**
 * Exports
 **/

module.exports = function (query, callback) {
  return search(query, callback);
};

module.exports.search = search;
module.exports._parseSearchResultInitialData = _parseSearchResultInitialData;
module.exports._parseVideoInitialData = _parseVideoInitialData;
module.exports._parsePlaylistInitialData = _parsePlaylistInitialData;
module.exports._videoFilter = _videoFilter;
module.exports._playlistFilter = _playlistFilter;
module.exports._channelFilter = _channelFilter;
module.exports._liveFilter = _liveFilter;
module.exports._allFilter = _allFilter;
module.exports._parsePlaylistLastUpdateTime = _parsePlaylistLastUpdateTime;
/**
 * Main
 */

function search(query, callback) {
  // support promises when no callback given
  if (!callback) {
    return new Promise(function (resolve, reject) {
      search(query, function (err, data) {
        if (err) return reject(err);
        resolve(data);
      });
    });
  }

  var _options;

  if (typeof query === 'string') {
    _options = {
      query: query
    };
  } else {
    _options = query;
  } // init and increment attempts


  _options._attempts = (_options._attempts || 0) + 1; // save unmutated bare necessary options for retry

  var retryOptions = Object.assign({}, _options);

  function callback_with_retry(err, data) {
    if (err) {
      if (_options._attempts > MAX_RETRY_ATTEMPTS) {
        return callback(err, data);
      } else {
        // retry
        debug(' === ');
        debug(' RETRYING: ' + _options._attempts);
        debug(' === ');
        var n = _options._attempts;
        var wait_ms = Math.pow(2, n - 1) * RETRY_INTERVAL;
        setTimeout(function () {
          search(retryOptions, callback);
        }, wait_ms);
      }
    } else {
      return callback(err, data);
    }
  } // override userAgent if set ( not recommended )


  if (_options.userAgent) _userAgent = _options.userAgent; // support common alternatives ( mutates )

  _options.search = _options.query || _options.search; // initial search text ( _options.search is mutated )

  _options.original_search = _options.search; // ignore query, only get metadata from specific video id

  if (_options.videoId) {
    return getVideoMetaData(_options, callback_with_retry);
  } // ignore query, only get metadata from specific playlist id


  if (_options.listId) {
    return getPlaylistMetaData(_options, callback_with_retry);
  }

  if (!_options.search) {
    return callback(Error('yt-search: no query given'));
  }

  work();

  function work() {
    getSearchResults(_options, callback_with_retry);
  }
}

function _videoFilter(video, index, videos) {
  if (video.type !== 'video') return false; // filter duplicates

  var videoId = video.videoId;
  var firstIndex = videos.findIndex(function (el) {
    return videoId === el.videoId;
  });
  return firstIndex === index;
}

function _playlistFilter(result, index, results) {
  if (result.type !== 'list') return false; // filter duplicates

  var id = result.listId;
  var firstIndex = results.findIndex(function (el) {
    return id === el.listId;
  });
  return firstIndex === index;
}

function _channelFilter(result, index, results) {
  if (result.type !== 'channel') return false; // filter duplicates

  var url = result.url;
  var firstIndex = results.findIndex(function (el) {
    return url === el.url;
  });
  return firstIndex === index;
}

function _liveFilter(result, index, results) {
  if (result.type !== 'live') return false; // filter duplicates

  var videoId = result.videoId;
  var firstIndex = results.findIndex(function (el) {
    return videoId === el.videoId;
  });
  return firstIndex === index;
}

function _allFilter(result, index, results) {
  switch (result.type) {
    case 'video':
    case 'list':
    case 'channel':
    case 'live':
      break;

    default:
      // unsupported type
      return false;
  } // filter duplicates


  var url = result.url;
  var firstIndex = results.findIndex(function (el) {
    return url === el.url;
  });
  return firstIndex === index;
}
/* Request search page results with provided
 * search_query term
 */


function getSearchResults(_options, callback) {
  // querystring variables
  var q = _querystring.escape(_options.search).split(/\s+/);

  var hl = _options.hl || 'en';
  var gl = _options.gl || 'US';
  var category = _options.category || ''; // music

  var pageStart = Number(_options.pageStart) || 1;
  var pageEnd = Number(_options.pageEnd) || Number(_options.pages) || 1; // handle zero-index start

  if (pageStart <= 0) {
    pageStart = 1;

    if (pageEnd >= 1) {
      pageEnd += 1;
    }
  }

  if (Number.isNaN(pageEnd)) {
    callback('error: pageEnd must be a number');
  }

  _options.pageStart = pageStart;
  _options.pageEnd = pageEnd;
  _options.currentPage = _options.currentPage || pageStart;
  var queryString = '?';
  queryString += 'search_query=' + q.join('+'); // language
  // queryString += '&'

  if (queryString.indexOf('&hl=') === -1) {
    queryString += '&hl=' + hl;
  } // location
  // queryString += '&'


  if (queryString.indexOf('&gl=') === -1) {
    queryString += '&gl=' + gl;
  }

  if (category) {
    // ex. "music"
    queryString += '&category=' + category;
  }

  if (_options.sp) {
    queryString += '&sp=' + _options.sp;
  }

  var uri = TEMPLATES.SEARCH_DESKTOP + queryString;

  var params = _url.parse(uri);

  params.headers = {
    'user-agent': _userAgent,
    'accept': 'text/html',
    'accept-encoding': 'gzip',
    'accept-language': 'en-US'
  };
  debug(params);
  debug('getting results: ' + _options.currentPage);

  _dasu.req(params, function (err, res, body) {
    if (err) {
      callback(err);
    } else {
      if (res.status !== 200) {
        return callback('http status: ' + res.status);
      }

      if (_debugging) {
        var fs = require('fs');

        var path = require('path');

        fs.writeFileSync('dasu.response', res.responseText, 'utf8');
      }

      try {
        _parseSearchResultInitialData(body, function (err, results) {
          if (err) return callback(err);
          var list = results;
          var videos = list.filter(_videoFilter);
          var playlists = list.filter(_playlistFilter);
          var channels = list.filter(_channelFilter);
          var live = list.filter(_liveFilter);
          var all = list.filter(_allFilter); // keep saving results into temporary memory while
          // we get more results

          _options._data = _options._data || {}; // init memory

          _options._data.videos = _options._data.videos || [];
          _options._data.playlists = _options._data.playlists || [];
          _options._data.channels = _options._data.channels || [];
          _options._data.live = _options._data.live || [];
          _options._data.all = _options._data.all || []; // push received results into memory

          videos.forEach(function (item) {
            _options._data.videos.push(item);
          });
          playlists.forEach(function (item) {
            _options._data.playlists.push(item);
          });
          channels.forEach(function (item) {
            _options._data.channels.push(item);
          });
          live.forEach(function (item) {
            _options._data.live.push(item);
          });
          all.forEach(function (item) {
            _options._data.all.push(item);
          });
          _options.currentPage++;
          var getMoreResults = _options.currentPage <= _options.pageEnd;

          if (getMoreResults && results._sp) {
            _options.sp = results._sp;
            setTimeout(function () {
              getSearchResults(_options, callback);
            }, 2500); // delay a bit to try and prevent throttling
          } else {
            var _videos = _options._data.videos.filter(_videoFilter);

            var _playlists = _options._data.playlists.filter(_playlistFilter);

            var _channels = _options._data.channels.filter(_channelFilter);

            var _live = _options._data.live.filter(_liveFilter);

            var _all = _options._data.all.slice(_allFilter); // return all found videos


            callback(null, {
              all: _all,
              videos: _videos,
              live: _live,
              playlists: _playlists,
              lists: _playlists,
              accounts: _channels,
              channels: _channels
            });
          }
        });
      } catch (err) {
        callback(err);
      }
    }
  });
}
/* For "modern" user-agents the html document returned from
 * YouTube contains initial json data that is used to populate
 * the page with JavaScript. This function will aim to find and
 * parse such data.
 */


function _parseSearchResultInitialData(responseText, callback) {
  var re = /{.*}/;

  var $ = _cheerio.load(responseText);

  var initialData = $('div#initial-data').html() || '';
  initialData = re.exec(initialData) || '';

  if (!initialData) {
    var scripts = $('script');

    for (var i = 0; i < scripts.length; i++) {
      var script = $(scripts[i]).html();
      var lines = script.split('\n');
      lines.forEach(function (line) {
        var i;

        while ((i = line.indexOf('ytInitialData')) >= 0) {
          line = line.slice(i + 'ytInitialData'.length);
          var match = re.exec(line);

          if (match && match.length > initialData.length) {
            initialData = match;
          }
        }
      });
    }
  }

  if (!initialData) {
    return callback('could not find inital data in the html document');
  }

  var errors = [];
  var results = [];
  var json = JSON.parse(initialData[0]);

  var items = _jp.query(json, '$..itemSectionRenderer..contents.*'); // support newer richGridRenderer html structure


  _jp.query(json, '$..primaryContents..contents.*').forEach(function (item) {
    items.push(item);
  });

  debug('items.length: ' + items.length);

  for (var _i = 0; _i < items.length; _i++) {
    var item = items[_i];
    var result = undefined;
    var type = 'unknown';

    var hasList = _jp.value(item, '$..compactPlaylistRenderer') || _jp.value(item, '$..playlistRenderer');

    var hasChannel = _jp.value(item, '$..compactChannelRenderer') || _jp.value(item, '$..channelRenderer');

    var hasVideo = _jp.value(item, '$..compactVideoRenderer') || _jp.value(item, '$..videoRenderer');

    var listId = hasList && _jp.value(item, '$..playlistId');

    var channelId = hasChannel && _jp.value(item, '$..channelId');

    var videoId = hasVideo && _jp.value(item, '$..videoId');

    var watchingLabel = _jp.query(item, '$..viewCountText..text').join('');

    var isUpcoming = // if scheduled livestream (has not started yet)
    _jp.query(item, '$..thumbnailOverlayTimeStatusRenderer..style').join('').toUpperCase().trim() === 'UPCOMING';
    var isLive = watchingLabel.indexOf('watching') >= 0 || _jp.query(item, '$..badges..label').join('').toUpperCase().trim() === 'LIVE NOW' || _jp.query(item, '$..thumbnailOverlayTimeStatusRenderer..text').join('').toUpperCase().trim() === 'LIVE' || isUpcoming;

    if (videoId) {
      type = 'video';
    }

    if (channelId) {
      type = 'channel';
    }

    if (listId) {
      type = 'list';
    }

    if (isLive) {
      type = 'live';
    }

    try {
      switch (type) {
        case 'video':
          {
            var thumbnail = _normalizeThumbnail(_jp.value(item, '$..thumbnail..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails'));

            var title = _jp.value(item, '$..title..text') || _jp.value(item, '$..title..simpleText');

            var author_name = _jp.value(item, '$..shortBylineText..text') || _jp.value(item, '$..longBylineText..text');

            var author_url = _jp.value(item, '$..shortBylineText..url') || _jp.value(item, '$..longBylineText..url'); // publish/upload date


            var agoText = _jp.value(item, '$..publishedTimeText..text') || _jp.value(item, '$..publishedTimeText..simpleText');

            var viewCountText = _jp.value(item, '$..viewCountText..text') || _jp.value(item, '$..viewCountText..simpleText') || "0";
            var viewsCount = Number(viewCountText.split(/\s+/)[0].split(/[,.]/).join('').trim());

            var lengthText = _jp.value(item, '$..lengthText..text') || _jp.value(item, '$..lengthText..simpleText');

            var duration = _parseDuration(lengthText || '0:00');

            var description = _jp.query(item, '$..detailedMetadataSnippets..snippetText..text').join('') || _jp.query(item, '$..description..text').join('') || _jp.query(item, '$..descriptionSnippet..text').join(''); // url ( playlist )
            // const url = _jp.value( item, '$..navigationEndpoint..url' )


            var url = TEMPLATES.YT + '/watch?v=' + videoId;
            result = {
              type: 'video',
              videoId: videoId,
              url: url,
              title: title.trim(),
              description: description,
              image: thumbnail,
              thumbnail: thumbnail,
              seconds: Number(duration.seconds),
              timestamp: duration.timestamp,
              duration: duration,
              ago: agoText,
              views: Number(viewsCount),
              author: {
                name: author_name,
                url: TEMPLATES.YT + author_url
              }
            };
          }
          break;

        case 'list':
          {
            var _thumbnail = _normalizeThumbnail(_jp.value(item, '$..thumbnail..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails'));

            var _title = _jp.value(item, '$..title..text') || _jp.value(item, '$..title..simpleText');

            var _author_name = _jp.value(item, '$..shortBylineText..text') || _jp.value(item, '$..longBylineText..text') || _jp.value(item, '$..shortBylineText..simpleText') || _jp.value(item, '$..longBylineText..simpleTextn') || 'YouTube';

            var _author_url = _jp.value(item, '$..shortBylineText..url') || _jp.value(item, '$..longBylineText..url') || '';

            var video_count = _jp.value(item, '$..videoCountShortText..text') || _jp.value(item, '$..videoCountText..text') || _jp.value(item, '$..videoCountShortText..simpleText') || _jp.value(item, '$..videoCountText..simpleText') || _jp.value(item, '$..thumbnailText..text') || _jp.value(item, '$..thumbnailText..simpleText'); // url ( playlist )
            // const url = _jp.value( item, '$..navigationEndpoint..url' )


            var _url2 = TEMPLATES.YT + '/playlist?list=' + listId;

            result = {
              type: 'list',
              listId: listId,
              url: _url2,
              title: _title.trim(),
              image: _thumbnail,
              thumbnail: _thumbnail,
              videoCount: video_count,
              author: {
                name: _author_name,
                url: TEMPLATES.YT + _author_url
              }
            };
          }
          break;

        case 'channel':
          {
            var _thumbnail2 = _normalizeThumbnail(_jp.value(item, '$..thumbnail..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails'));

            var _title2 = _jp.value(item, '$..title..text') || _jp.value(item, '$..title..simpleText') || _jp.value(item, '$..displayName..text');

            var _author_name2 = _jp.value(item, '$..shortBylineText..text') || _jp.value(item, '$..longBylineText..text') || _jp.value(item, '$..displayName..text') || _jp.value(item, '$..displayName..simpleText');

            var video_count_label = _jp.value(item, '$..videoCountText..text') || _jp.value(item, '$..videoCountText..simpleText') || '0';

            var sub_count_label = _jp.value(item, '$..subscriberCountText..text') || _jp.value(item, '$..subscriberCountText..simpleText'); // first space separated word that has digits


            if (typeof sub_count_label === 'string') {
              sub_count_label = sub_count_label.split(/\s+/).filter(function (w) {
                return w.match(/\d/);
              })[0];
            } // url ( playlist )
            // const url = _jp.value( item, '$..navigationEndpoint..url' )


            var _url3 = _jp.value(item, '$..navigationEndpoint..url') || '/user/' + _title2;

            result = {
              type: 'channel',
              name: _author_name2,
              url: TEMPLATES.YT + _url3,
              title: _title2.trim(),
              image: _thumbnail2,
              thumbnail: _thumbnail2,
              videoCount: Number(video_count_label.replace(/\D+/g, '')),
              videoCountLabel: video_count_label,
              subCount: _parseSubCountLabel(sub_count_label),
              subCountLabel: sub_count_label
            };
          }
          break;

        case 'live':
          {
            var _thumbnail3 = _normalizeThumbnail(_jp.value(item, '$..thumbnail..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails..url')) || _normalizeThumbnail(_jp.value(item, '$..thumbnails'));

            var _title3 = _jp.value(item, '$..title..text') || _jp.value(item, '$..title..simpleText');

            var _author_name3 = _jp.value(item, '$..shortBylineText..text') || _jp.value(item, '$..longBylineText..text');

            var _author_url2 = _jp.value(item, '$..shortBylineText..url') || _jp.value(item, '$..longBylineText..url');

            var _watchingLabel = _jp.query(item, '$..viewCountText..text').join('') || _jp.query(item, '$..viewCountText..simpleText').join('') || '0';

            var watchCount = Number(_watchingLabel.split(/\s+/)[0].split(/[,.]/).join('').trim());

            var _description = _jp.query(item, '$..detailedMetadataSnippets..snippetText..text').join('') || _jp.query(item, '$..description..text').join('') || _jp.query(item, '$..descriptionSnippet..text').join('');

            var scheduledEpochTime = _jp.value(item, '$..upcomingEventData..startTime');

            var scheduledTime = Date.now() > scheduledEpochTime ? scheduledEpochTime * 1000 : scheduledEpochTime;

            var scheduledDateString = _toInternalDateString(scheduledTime); // url ( playlist )
            // const url = _jp.value( item, '$..navigationEndpoint..url' )


            var _url4 = TEMPLATES.YT + '/watch?v=' + videoId;

            result = {
              type: 'live',
              videoId: videoId,
              url: _url4,
              title: _title3.trim(),
              description: _description,
              image: _thumbnail3,
              thumbnail: _thumbnail3,
              watching: Number(watchCount),
              author: {
                name: _author_name3,
                url: TEMPLATES.YT + _author_url2
              }
            };

            if (scheduledTime) {
              result.startTime = scheduledTime;
              result.startDate = scheduledDateString;
              result.status = 'UPCOMING';
            } else {
              result.status = 'LIVE';
            }
          }
          break;

        default: // ignore other stuff

      }

      if (result) {
        results.push(result);
      }
    } catch (err) {
      debug(err);
      errors.push(err);
    }
  }

  var ctoken = _jp.value(json, '$..continuation');

  results._ctoken = ctoken;

  if (errors.length) {
    return callback(errors.pop(), results);
  }

  return callback(null, results);
}
/* Get metadata of a single video
 */


function getVideoMetaData(opts, callback) {
  debug('fn: getVideoMetaData');
  var videoId;

  if (typeof opts === 'string') {
    videoId = opts;
  }

  if (_typeof(opts) === 'object') {
    videoId = opts.videoId;
  }

  var _opts$hl = opts.hl,
      hl = _opts$hl === void 0 ? 'en' : _opts$hl,
      _opts$gl = opts.gl,
      gl = _opts$gl === void 0 ? 'US' : _opts$gl;
  var uri = "https://www.youtube.com/watch?hl=".concat(hl, "&gl=").concat(gl, "&v=").concat(videoId);

  var params = _url.parse(uri);

  params.headers = {
    'user-agent': _userAgent,
    'accept': 'text/html',
    'accept-encoding': 'gzip',
    'accept-language': "".concat(hl, "-").concat(gl)
  };
  params.headers['user-agent'] = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15';

  _dasu.req(params, function (err, res, body) {
    if (err) {
      callback(err);
    } else {
      if (res.status !== 200) {
        return callback('http status: ' + res.status);
      }

      if (_debugging) {
        var fs = require('fs');

        var path = require('path');

        fs.writeFileSync('dasu.response', res.responseText, 'utf8');
      }

      try {
        _parseVideoInitialData(body, callback);
      } catch (err) {
        callback(err);
      }
    }
  });
}

function _parseVideoInitialData(responseText, callback) {
  debug('_parseVideoInitialData'); // const fs = require( 'fs' )
  // fs.writeFileSync( 'tmp.file', responseText )

  responseText = _getScripts(responseText);

  var initialData = _between(_findLine(/ytInitialData.*=\s*{/, responseText), '{', '}');

  if (!initialData) {
    return callback('could not find inital data in the html document');
  }

  var initialPlayerData = _between(_findLine(/ytInitialPlayerResponse.*=\s*{/, responseText), '{', '}');

  if (!initialPlayerData) {
    return callback('could not find inital player data in the html document');
  } // debug( initialData[ 0 ] )
  // debug( '\n------------------\n' )
  // debug( initialPlayerData[ 0 ] )


  var idata = JSON.parse(initialData);
  var ipdata = JSON.parse(initialPlayerData);

  var videoId = _jp.value(idata, '$..currentVideoEndpoint..videoId');

  if (!videoId) {
    return callback('video unavailable');
  }

  if (_jp.value(ipdata, '$..status') === 'ERROR' || _jp.value(ipdata, '$..reason') === 'Video unavailable') {
    return callback('video unavailable');
  }

  var title = _parseVideoMeataDataTitle(idata);

  var description = _jp.query(idata, '$..description..text').join('') || _jp.query(ipdata, '$..description..simpleText').join('') || _jp.query(ipdata, '$..microformat..description..simpleText').join('') || _jp.query(ipdata, '$..videoDetails..shortDescription').join('');

  var author_name = _jp.value(idata, '$..owner..title..text') || _jp.value(idata, '$..owner..title..simpleText');

  var author_url = _jp.value(idata, '$..owner..navigationEndpoint..url') || _jp.value(idata, '$..owner..title..url');

  var thumbnailUrl = 'https://i.ytimg.com/vi/' + videoId + '/hqdefault.jpg';
  var seconds = Number(_jp.value(ipdata, '$..videoDetails..lengthSeconds'));

  var timestamp = _msToTimestamp(seconds * 1000);

  var duration = _parseDuration(timestamp); // TODO some video's have likes/dislike ratio hidden (ex: 62ezXENOuIA)
  // which makes this value undefined
  //   const sentimentBar = (
  //     // ex. "tooltip": "116,701 / 8,930"
  //     _jp.value( idata, '$..sentimentBar..tooltip' )
  //     .split( /[,.]/ ).join( '' )
  //     .split( /\D+/ )
  //   )
  // 
  // TODO currently not in use
  // const likes = Number( sentimentBar[ 0 ] )
  // const dislikes = Number( sentimentBar[ 1 ] )


  var uploadDate = _jp.value(idata, '$..uploadDate') || _jp.value(idata, '$..dateText..simpleText');

  var agoText = uploadDate && _humanTime(new Date(uploadDate)) || '';
  var video = {
    title: title,
    description: description,
    url: TEMPLATES.YT + '/watch?v=' + videoId,
    videoId: videoId,
    seconds: Number(duration.seconds),
    timestamp: duration.timestamp,
    duration: duration,
    views: Number(_jp.value(ipdata, '$..videoDetails..viewCount')),
    genre: (_jp.value(ipdata, '$..category') || '').toLowerCase(),
    uploadDate: _toInternalDateString(uploadDate),
    ago: agoText,
    // ex: 10 years ago
    image: thumbnailUrl,
    thumbnail: thumbnailUrl,
    author: {
      name: author_name,
      url: TEMPLATES.YT + author_url
    }
  };
  callback(null, video);
}
/* Get metadata from a playlist page
 */


function getPlaylistMetaData(opts, callback) {
  debug('fn: getPlaylistMetaData');
  var listId;

  if (typeof opts === 'string') {
    listId = opts;
  }

  if (_typeof(opts) === 'object') {
    listId = opts.listId || opts.playlistId;
  }

  var _opts$hl2 = opts.hl,
      hl = _opts$hl2 === void 0 ? 'en' : _opts$hl2,
      _opts$gl2 = opts.gl,
      gl = _opts$gl2 === void 0 ? 'US' : _opts$gl2;
  var uri = "https://www.youtube.com/playlist?hl=".concat(hl, "&gl=").concat(gl, "&list=").concat(listId);

  var params = _url.parse(uri);

  params.headers = {
    'user-agent': _userAgent,
    'accept': 'text/html',
    'accept-encoding': 'gzip',
    'accept-language': "".concat(hl, "-").concat(gl)
  };

  _dasu.req(params, function (err, res, body) {
    if (err) {
      callback(err);
    } else {
      if (res.status !== 200) {
        return callback('http status: ' + res.status);
      }

      if (_debugging) {
        var fs = require('fs');

        var path = require('path');

        fs.writeFileSync('dasu.response', res.responseText, 'utf8');
      }

      try {
        _parsePlaylistInitialData(body, callback);
      } catch (err) {
        callback(err);
      }
    }
  });
}

function _parsePlaylistInitialData(responseText, callback) {
  debug('fn: parsePlaylistBody');
  responseText = _getScripts(responseText);
  var jsonString = responseText.match(/ytInitialData.*=\s*({.*});/)[1]; // console.log( jsonString )

  if (!jsonString) {
    throw new Error('failed to parse ytInitialData json data');
  }

  var json = JSON.parse(jsonString); //console.log( json )
  // check for errors (ex: noexist/unviewable playlist)

  var plerr = _jp.value(json, '$..alerts..alertRenderer');

  if (plerr && typeof plerr.type === 'string' && plerr.type.toLowerCase() === 'error') {
    var plerrtext = 'playlist error, not found?';

    if (_typeof(plerr.text) === 'object') {
      plerrtext = _jp.query(plerr.text, '$..text').join('');
    }

    if (typeof plerr.text === 'string') {
      plerrtext = plerr.text;
    }

    throw new Error('playlist error: ' + plerrtext);
  }

  var alertInfo = '';

  _jp.query(json, '$..alerts..text').forEach(function (val) {
    if (typeof val === 'string') alertInfo += val;

    if (_typeof(val) === 'object') {
      // try grab simpletex
      var simpleText = _jp.value(val, '$..simpleText');

      if (simpleText) alertInfo += simpleText;
    }
  });

  var listId = _jp.value(json, '$..microformat..urlCanonical').split('=')[1]; // console.log( 'listId: ' + listId )


  var viewCount = 0;

  try {
    var viewCountLabel = _jp.value(json, '$..sidebar.playlistSidebarRenderer.items[0]..stats[1].simpleText');

    if (viewCountLabel.toLowerCase() === 'no views') {
      viewCount = 0;
    } else {
      viewCount = viewCountLabel.match(/\d+/g).join('');
    }
  } catch (err) {
    /* ignore */
  }

  var size = (_jp.value(json, '$..sidebar.playlistSidebarRenderer.items[0]..stats[0].simpleText') || _jp.query(json, '$..sidebar.playlistSidebarRenderer.items[0]..stats[0]..text').join('')).match(/\d+/g).join(''); // playlistVideoListRenderer contents


  var list = _jp.query(json, '$..playlistVideoListRenderer..contents')[0]; // TODO unused atm


  var listHasContinuation = _typeof(list[list.length - 1].continuationItemRenderer) === 'object'; // const list = _jp.query( json, '$..contents..tabs[0]..contents[0]..contents[0]..contents' )[ 0 ]

  var videos = [];
  list.forEach(function (item) {
    if (!item.playlistVideoRenderer) return; // skip

    var json = item;

    var duration = _parseDuration(_jp.value(json, '$..lengthText..simpleText') || _jp.value(json, '$..thumbnailOverlayTimeStatusRenderer..simpleText') || _jp.query(json, '$..lengthText..text').join('') || _jp.query(json, '$..thumbnailOverlayTimeStatusRenderer..text').join(''));

    var video = {
      title: _jp.value(json, '$..title..simpleText') || _jp.value(json, '$..title..text') || _jp.query(json, '$..title..text').join(''),
      videoId: _jp.value(json, '$..videoId'),
      listId: listId,
      thumbnail: _normalizeThumbnail(_jp.value(json, '$..thumbnail..url')) || _normalizeThumbnail(_jp.value(json, '$..thumbnails..url')) || _normalizeThumbnail(_jp.value(json, '$..thumbnails')),
      // ref: issue #35 https://github.com/talmobi/yt-search/issues/35
      duration: duration,
      author: {
        name: _jp.value(json, '$..shortBylineText..runs[0]..text'),
        url: 'https://youtube.com' + _jp.value(json, '$..shortBylineText..runs[0]..url')
      }
    };
    videos.push(video);
  }); // console.log( videos )
  // console.log( 'videos.length: ' + videos.length )

  var plthumbnail = _normalizeThumbnail(_jp.value(json, '$..microformat..thumbnail..url')) || _normalizeThumbnail(_jp.value(json, '$..microformat..thumbnails..url')) || _normalizeThumbnail(_jp.value(json, '$..microformat..thumbnails'));

  var playlist = {
    title: _jp.value(json, '$..microformat..title'),
    listId: listId,
    url: 'https://youtube.com/playlist?list=' + listId,
    size: Number(size),
    views: Number(viewCount),
    // lastUpdate: lastUpdate,
    date: _parsePlaylistLastUpdateTime(_jp.value(json, '$..sidebar.playlistSidebarRenderer.items[0]..stats[2]..simpleText') || _jp.query(json, '$..sidebar.playlistSidebarRenderer.items[0]..stats[2]..text').join('') || ''),
    image: plthumbnail || videos[0].thumbnail,
    thumbnail: plthumbnail || videos[0].thumbnail,
    // playlist items/videos
    videos: videos,
    alertInfo: alertInfo,
    author: {
      name: _jp.value(json, '$..videoOwner..title..runs[0]..text'),
      url: 'https://youtube.com' + _jp.value(json, '$..videoOwner..navigationEndpoint..url')
    }
  };
  callback && callback(null, playlist);
}

function _parsePlaylistLastUpdateTime(lastUpdateLabel) {
  debug('fn: _parsePlaylistLastUpdateTime');
  var DAY_IN_MS = 1000 * 60 * 60 * 24;

  try {
    // ex "Last Updated on Jun 25, 2018"
    // ex: "Viimeksi päivitetty 25.6.2018"
    var words = lastUpdateLabel.toLowerCase().trim().split(/[\s.-]+/);

    if (words.length > 0) {
      var lastWord = words[words.length - 1].toLowerCase();

      if (lastWord === 'yesterday') {
        var ms = Date.now() - DAY_IN_MS;
        var d = new Date(ms); // a day earlier than today

        if (d.toString() !== 'Invalid Date') return _toInternalDateString(d);
      }
    }

    if (words.length >= 2) {
      // handle strings like "7 days ago"
      if (words[0] === 'updated' && words[2].slice(0, 3) === 'day') {
        var _ms = Date.now() - DAY_IN_MS * words[1];

        var _d = new Date(_ms); // a day earlier than today


        if (_d.toString() !== 'Invalid Date') return _toInternalDateString(_d);
      }
    }

    for (var i = 0; i < words.length; i++) {
      var slice = words.slice(i);
      var t = slice.join(' ');
      var r = slice.reverse().join(' ');

      var _a = new Date(t);

      var b = new Date(r);
      if (_a.toString() !== 'Invalid Date') return _toInternalDateString(_a);
      if (b.toString() !== 'Invalid Date') return _toInternalDateString(b);
    }

    return '';
  } catch (err) {
    return '';
  }
}

function _toInternalDateString(date) {
  date = new Date(date);
  debug('fn: _toInternalDateString');
  return date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + // january gives 0
  date.getDate();
}
/* Helper fn to parse duration labels
 * ex: Duration: 2:27, Kesto: 1.07.54
 */


function _parseDuration(timestampText) {
  var a = timestampText.split(/\s+/);
  var lastword = a[a.length - 1]; // ex: Duration: 2:27, Kesto: 1.07.54
  // replace all non :, non digits and non .

  var timestamp = lastword.replace(/[^:.\d]/g, '');
  if (!timestamp) return {
    toString: function toString() {
      return a[0];
    },
    seconds: 0,
    timestamp: 0
  }; // remove trailing junk that are not digits

  while (timestamp[timestamp.length - 1].match(/\D/)) {
    timestamp = timestamp.slice(0, -1);
  } // replaces all dots with nice ':'


  timestamp = timestamp.replace(/\./g, ':');
  var t = timestamp.split(/[:.]/);
  var seconds = 0;
  var exp = 0;

  for (var i = t.length - 1; i >= 0; i--) {
    if (t[i].length <= 0) continue;
    var number = t[i].replace(/\D/g, ''); // var exp = (t.length - 1) - i;

    seconds += parseInt(number) * (exp > 0 ? Math.pow(60, exp) : 1);
    exp++;
    if (exp > 2) break;
  }

  ;
  return {
    toString: function toString() {
      return seconds + ' seconds (' + timestamp + ')';
    },
    seconds: seconds,
    timestamp: timestamp
  };
}
/* Parses a type of human-like timestamps found on YouTube.
 * ex: "PT4M13S" -> "4:13"
 */


function _parseHumanDuration(timestampText) {
  debug('_parseHumanDuration'); // ex: PT4M13S

  var pt = timestampText.slice(0, 2);
  var timestamp = timestampText.slice(2).toUpperCase();
  if (pt !== 'PT') return {
    toString: function toString() {
      return a[0];
    },
    seconds: 0,
    timestamp: 0
  };
  var h = timestamp.match(/\d?\dH/);
  var m = timestamp.match(/\d?\dM/);
  var s = timestamp.match(/\d?\dS/);
  h = h && h[0].slice(0, -1) || 0;
  m = m && m[0].slice(0, -1) || 0;
  s = s && s[0].slice(0, -1) || 0;
  h = parseInt(h);
  m = parseInt(m);
  s = parseInt(s);
  timestamp = '';
  if (h) timestamp += h + ':';
  if (m) timestamp += m + ':';
  timestamp += s;
  var seconds = h * 60 * 60 + m * 60 + s;
  return {
    toString: function toString() {
      return seconds + ' seconds (' + timestamp + ')';
    },
    seconds: seconds,
    timestamp: timestamp
  };
}
/* Helper fn to parse sub count labels
 * and turn them into Numbers.
 *
 * It's an estimate but can be useful for sorting etc.
 *
 * ex. "102M subscribers" -> 102000000
 * ex. "5.33m subscribers" -> 5330000
 */


function _parseSubCountLabel(subCountLabel) {
  if (!subCountLabel) return undefined;
  var label = subCountLabel.split(/\s+/).filter(function (w) {
    return w.match(/\d/);
  })[0].toLowerCase();
  var m = label.match(/\d+(\.\d+)?/);

  if (m && m[0]) {} else {
    return;
  }

  var num = Number(m[0]);
  var THOUSAND = 1000;
  var MILLION = THOUSAND * THOUSAND;
  if (label.indexOf('m') >= 0) return MILLION * num;
  if (label.indexOf('k') >= 0) return THOUSAND * num;
  return num;
}
/* Helper fn to choose a good thumbnail.
 */


function _normalizeThumbnail(thumbnails) {
  var t;

  if (typeof thumbnails === 'string') {
    t = thumbnails;
  } else {
    // handle as array
    if (thumbnails.length) {
      t = thumbnails[0];
      return _normalizeThumbnail(t);
    } // failed to parse thumbnail


    return undefined;
  }

  t = t.split('?')[0];
  t = t.split('/default.jpg').join('/hqdefault.jpg');
  t = t.split('/default.jpeg').join('/hqdefault.jpeg');

  if (t.indexOf('//') === 0) {
    return 'https://' + t.slice(2);
  }

  return t.split('http://').join('https://');
}
/* Helper fn to transform ms to timestamp
 * ex: 253000 -> "4:13"
 */


function _msToTimestamp(ms) {
  var t = '';
  var MS_HOUR = 1000 * 60 * 60;
  var MS_MINUTE = 1000 * 60;
  var MS_SECOND = 1000;
  var h = Math.floor(ms / MS_HOUR);
  var m = Math.floor(ms / MS_MINUTE) % 60;
  var s = Math.floor(ms / MS_SECOND) % 60;
  if (h) t += h + ':'; // pad with extra zero only if hours are set

  if (h && String(m).length < 2) t += '0';
  t += m + ':'; // pad with extra zero

  if (String(s).length < 2) t += '0';
  t += s;
  return t;
}

function _parseVideoMeataDataTitle(idata) {
  var t = _jp.query(idata, '$..videoPrimaryInfoRenderer.title..text').join('') || _jp.query(idata, '$..videoPrimaryInfoRenderer.title..simpleText').join('') || _jp.query(idata, '$..videoPrimaryRenderer.title..text').join('') || _jp.query(idata, '$..videoPrimaryRenderer.title..simpleText').join('') || _jp.value(idata, '$..title..text') || _jp.value(idata, '$..title..simpleText'); // remove zero-width chars


  return t.replace(/[\u0000-\u001F\u007F-\u009F\u200b]/g, '');
} // run tests is script is run directly


if (require.main === module) {
  // https://www.youtube.com/watch?v=e9vrfEoc8_g
  test('superman theme list pewdiepie channel');
}

function test(query) {
  console.log('test: doing list search');
  var opts = {
    query: query,
    pageEnd: 1
  };
  search(opts, function (error, r) {
    if (error) throw error;
    var videos = r.videos;
    var playlists = r.playlists;
    var channels = r.channels;
    console.log('videos: ' + videos.length);
    console.log('playlists: ' + playlists.length);
    console.log('channels: ' + channels.length);

    for (var i = 0; i < videos.length; i++) {
      var song = videos[i];
      var time = " (".concat(song.timestamp, ")");
      console.log(song.title + time);
    }

    playlists.forEach(function (p) {
      console.log("playlist: ".concat(p.title, " | ").concat(p.listId));
    });
    channels.forEach(function (c) {
      console.log("channel: ".concat(c.title, " | ").concat(c.description));
    });
  });
}

},{"./util.js":2,"async.parallellimit":undefined,"cheerio":undefined,"dasu":undefined,"fs":undefined,"human-time":undefined,"jsonpath-plus":undefined,"path":undefined,"querystring":undefined,"url":undefined}],2:[function(require,module,exports){
"use strict";

var _cheerio = require('cheerio');

var util = {};
module.exports = util;
util._getScripts = _getScripts;
util._findLine = _findLine;
util._between = _between;

function _getScripts(text) {
  // match all contents within html script tags
  var $ = _cheerio.load(text);

  var scripts = $('script');
  var buffer = ''; // combine all scripts

  for (var i = 0; i < scripts.length; i++) {
    var el = scripts[i];
    var child = el && el.children[0];
    var data = child && child.data;

    if (data) {
      buffer += data + '\n';
    }
  }

  return buffer;
}

function _findLine(regex, text) {
  var cache = _findLine.cache || {};
  _findLine.cache = cache;
  cache[text] = cache[text] || {};
  var lines = cache[text].lines || text.split('\n');
  cache[text].lines = lines;
  clearTimeout(cache[text].timeout);
  cache[text].timeout = setTimeout(function () {
    delete cache[text];
  }, 100);

  for (var i = 0; i < lines.length; i++) {
    var line = lines[i];
    if (regex.test(line)) return line;
  }

  return '';
}

function _between(text, start, end) {
  var i = text.indexOf(start);
  var j = text.lastIndexOf(end);
  if (i < 0) return '';
  if (j < 0) return '';
  return text.slice(i, j + 1);
}

},{"cheerio":undefined}]},{},[1])(1)
});