react-player-cu/lib/utils.js

A React component for playing a hls and mp4 videos. It is a fork of Pete Cook's <pete@cookpete.com> (http://github.com/cookpete) react-player.

'use strict';

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

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

exports.parseStartTime = parseStartTime;
exports.parseEndTime = parseEndTime;
exports.randomString = randomString;
exports.queryString = queryString;
exports.getSDK = getSDK;
exports.getConfig = getConfig;
exports.omit = omit;
exports.callPlayer = callPlayer;
exports.isObject = isObject;
exports.isEqual = isEqual;
exports.isMediaStream = isMediaStream;

var _loadScript = require('load-script');

var _loadScript2 = _interopRequireDefault(_loadScript);

var _deepmerge = require('deepmerge');

var _deepmerge2 = _interopRequireDefault(_deepmerge);

var _props = require('./props');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var MATCH_START_QUERY = /[?&#](?:start|t)=([0-9hms]+)/;
var MATCH_END_QUERY = /[?&#]end=([0-9hms]+)/;
var MATCH_START_STAMP = /(\d+)(h|m|s)/g;
var MATCH_NUMERIC = /^\d+$/;

// Parse YouTube URL for a start time param, ie ?t=1h14m30s
// and return the start time in seconds
function parseTimeParam(url, pattern) {
  var match = url.match(pattern);
  if (match) {
    var stamp = match[1];
    if (stamp.match(MATCH_START_STAMP)) {
      return parseTimeString(stamp);
    }
    if (MATCH_NUMERIC.test(stamp)) {
      return parseInt(stamp);
    }
  }
  return undefined;
}

function parseTimeString(stamp) {
  var seconds = 0;
  var array = MATCH_START_STAMP.exec(stamp);
  while (array !== null) {
    var _array = array,
        _array2 = _slicedToArray(_array, 3),
        count = _array2[1],
        period = _array2[2];

    if (period === 'h') seconds += parseInt(count, 10) * 60 * 60;
    if (period === 'm') seconds += parseInt(count, 10) * 60;
    if (period === 's') seconds += parseInt(count, 10);
    array = MATCH_START_STAMP.exec(stamp);
  }
  return seconds;
}

function parseStartTime(url) {
  return parseTimeParam(url, MATCH_START_QUERY);
}

function parseEndTime(url) {
  return parseTimeParam(url, MATCH_END_QUERY);
}

// http://stackoverflow.com/a/38622545
function randomString() {
  return Math.random().toString(36).substr(2, 5);
}

function queryString(object) {
  return Object.keys(object).map(function (key) {
    return key + '=' + object[key];
  }).join('&');
}

// Util function to load an external SDK
// or return the SDK if it is already loaded
var resolves = {};
function getSDK(url, sdkGlobal) {
  var sdkReady = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
  var isLoaded = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : function () {
    return true;
  };
  var fetchScript = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _loadScript2['default'];

  if (window[sdkGlobal] && isLoaded(window[sdkGlobal])) {
    return Promise.resolve(window[sdkGlobal]);
  }
  return new Promise(function (resolve, reject) {
    // If we are already loading the SDK, add the resolve
    // function to the existing array of resolve functions
    if (resolves[url]) {
      resolves[url].push(resolve);
      return;
    }
    resolves[url] = [resolve];
    var onLoaded = function onLoaded(sdk) {
      // When loaded, resolve all pending promises
      resolves[url].forEach(function (resolve) {
        return resolve(sdk);
      });
    };
    if (sdkReady) {
      var previousOnReady = window[sdkReady];
      window[sdkReady] = function () {
        if (previousOnReady) previousOnReady();
        onLoaded(window[sdkGlobal]);
      };
    }
    fetchScript(url, function (err) {
      if (err) reject(err);
      if (!sdkReady) {
        onLoaded(window[sdkGlobal]);
      }
    });
  });
}

function getConfig(props, defaultProps, showWarning) {
  var config = (0, _deepmerge2['default'])(defaultProps.config, props.config);
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = _props.DEPRECATED_CONFIG_PROPS[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var p = _step.value;

      if (props[p]) {
        var key = p.replace(/Config$/, '');
        config = (0, _deepmerge2['default'])(config, _defineProperty({}, key, props[p]));
        if (showWarning) {
          var link = 'https://github.com/CookPete/react-player#config-prop';
          var message = 'ReactPlayer: %c' + p + ' %cis deprecated, please use the config prop instead \u2013 ' + link;
          console.warn(message, 'font-weight: bold', '');
        }
      }
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator['return']) {
        _iterator['return']();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }

  return config;
}

function omit(object) {
  var _ref;

  for (var _len = arguments.length, arrays = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    arrays[_key - 1] = arguments[_key];
  }

  var omitKeys = (_ref = []).concat.apply(_ref, arrays);
  var output = {};
  var keys = Object.keys(object);
  var _iteratorNormalCompletion2 = true;
  var _didIteratorError2 = false;
  var _iteratorError2 = undefined;

  try {
    for (var _iterator2 = keys[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
      var key = _step2.value;

      if (omitKeys.indexOf(key) === -1) {
        output[key] = object[key];
      }
    }
  } catch (err) {
    _didIteratorError2 = true;
    _iteratorError2 = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion2 && _iterator2['return']) {
        _iterator2['return']();
      }
    } finally {
      if (_didIteratorError2) {
        throw _iteratorError2;
      }
    }
  }

  return output;
}

function callPlayer(method) {
  var _player;

  // Util method for calling a method on this.player
  // but guard against errors and console.warn instead
  if (!this.player || !this.player[method]) {
    var message = 'ReactPlayer: ' + this.constructor.displayName + ' player could not call %c' + method + '%c \u2013 ';
    if (!this.player) {
      message += 'The player was not available';
    } else if (!this.player[method]) {
      message += 'The method was not available';
    }
    console.warn(message, 'font-weight: bold', '');
    return null;
  }

  for (var _len2 = arguments.length, args = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
    args[_key2 - 1] = arguments[_key2];
  }

  return (_player = this.player)[method].apply(_player, args);
}

function isObject(val) {
  return val !== null && (typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object';
}

// Deep comparison of two objects but ignoring
// functions, for use in shouldComponentUpdate
function isEqual(a, b) {
  if (typeof a === 'function' && typeof b === 'function') {
    return true;
  }
  if (a instanceof Array && b instanceof Array) {
    if (a.length !== b.length) {
      return false;
    }
    for (var i = 0; i !== a.length; i++) {
      if (!isEqual(a[i], b[i])) {
        return false;
      }
    }
    return true;
  }
  if (isObject(a) && isObject(b)) {
    if (Object.keys(a).length !== Object.keys(b).length) {
      return false;
    }
    var _iteratorNormalCompletion3 = true;
    var _didIteratorError3 = false;
    var _iteratorError3 = undefined;

    try {
      for (var _iterator3 = Object.keys(a)[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
        var key = _step3.value;

        if (!isEqual(a[key], b[key])) {
          return false;
        }
      }
    } catch (err) {
      _didIteratorError3 = true;
      _iteratorError3 = err;
    } finally {
      try {
        if (!_iteratorNormalCompletion3 && _iterator3['return']) {
          _iterator3['return']();
        }
      } finally {
        if (_didIteratorError3) {
          throw _iteratorError3;
        }
      }
    }

    return true;
  }
  return a === b;
}

function isMediaStream(url) {
  return typeof window !== 'undefined' && typeof window.MediaStream !== 'undefined' && url instanceof window.MediaStream;
}