react-chartjs-components/lib/index.js

Simple react components for ChartJs 2+ library.

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory(require("react"), require("chart.js"), require("react-dom"));
	else if(typeof define === 'function' && define.amd)
		define(["react", "chart.js", "react-dom"], factory);
	else if(typeof exports === 'object')
		exports["react-chartjs-components"] = factory(require("react"), require("chart.js"), require("react-dom"));
	else
		root["react-chartjs-components"] = factory(root["React"], root["Chart"], root["ReactDOM"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_2__, __WEBPACK_EXTERNAL_MODULE_10__, __WEBPACK_EXTERNAL_MODULE_11__) {
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/* 0 */
/***/ function(module, exports, __webpack_require__) {

	module.exports = __webpack_require__(7);


/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

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

	var _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; };

	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

	var _react = __webpack_require__(2);

	var _react2 = _interopRequireDefault(_react);

	var _reactDom = __webpack_require__(11);

	var _reactDom2 = _interopRequireDefault(_reactDom);

	var _chart = __webpack_require__(10);

	var _chart2 = _interopRequireDefault(_chart);

	var _lodash = __webpack_require__(8);

	var _lodash2 = _interopRequireDefault(_lodash);

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

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

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	function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

	var propTypes = {
	  className: _react2.default.PropTypes.string,
	  redraw: _react2.default.PropTypes.bool,
	  type: _react2.default.PropTypes.oneOf(['pie', 'doughnut', 'line', 'bar']),
	  data: _react2.default.PropTypes.object.isRequired,
	  width: _react2.default.PropTypes.number,
	  height: _react2.default.PropTypes.number,
	  options: _react2.default.PropTypes.object
	};

	var defaultProps = {
	  redraw: false,
	  type: 'pie'
	};

	var Chart = function (_React$Component) {
	  _inherits(Chart, _React$Component);

	  function Chart(props, context) {
	    _classCallCheck(this, Chart);

	    var _this = _possibleConstructorReturn(this, (Chart.__proto__ || Object.getPrototypeOf(Chart)).call(this, props, context));

	    _this.chart = null;

	    _this.createChart = _this.createChart.bind(_this);
	    _this.updateChart = _this.updateChart.bind(_this);
	    return _this;
	  }

	  _createClass(Chart, [{
	    key: 'componentDidMount',
	    value: function componentDidMount() {
	      this.createChart();
	    }
	  }, {
	    key: 'shouldComponentUpdate',
	    value: function shouldComponentUpdate(nextProps) {
	      return !(0, _lodash2.default)(nextProps.data, this.props.data) || !(0, _lodash2.default)(nextProps.options, this.props.options);
	    }
	  }, {
	    key: 'componentDidUpdate',
	    value: function componentDidUpdate() {
	      if (this.props.redraw) {
	        this.createChart();
	      } else {
	        this.updateChart();
	      }
	    }
	  }, {
	    key: 'componentWillUnmount',
	    value: function componentWillUnmount() {
	      var chart = this.chart;

	      if (chart) {
	        chart.destroy();
	      }
	    }
	  }, {
	    key: 'createChart',
	    value: function createChart() {
	      var _props = this.props,
	          data = _props.data,
	          type = _props.type,
	          options = _props.options;

	      var node = _reactDom2.default.findDOMNode(this);

	      if (this.chart) {
	        this.chart.destroy();
	      }

	      this.chart = new _chart2.default(node, {
	        type: type,
	        data: data,
	        options: options
	      });
	    }
	  }, {
	    key: 'updateChart',
	    value: function updateChart() {
	      var _props2 = this.props,
	          data = _props2.data,
	          options = _props2.options;


	      if (!this.chart) {
	        return;
	      }

	      this.chart.options = _chart2.default.helpers.configMerge(this.chart.options, options);
	      this.chart.config.data = _extends({}, this.chart.config.data, data);

	      this.chart.update();
	    }
	  }, {
	    key: 'render',
	    value: function render() {
	      var _props3 = this.props,
	          width = _props3.width,
	          height = _props3.height,
	          className = _props3.className;


	      return _react2.default.createElement('canvas', { className: className, width: width, height: height });
	    }
	  }]);

	  return Chart;
	}(_react2.default.Component);

	Chart.propTypes = propTypes;
	Chart.defaultProps = defaultProps;

	exports.default = Chart;

/***/ },
/* 2 */
/***/ function(module, exports) {

	module.exports = __WEBPACK_EXTERNAL_MODULE_2__;

/***/ },
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/***/ function(module, exports, __webpack_require__) {

	'use strict';

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

	var _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; };

	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

	var _react = __webpack_require__(2);

	var _react2 = _interopRequireDefault(_react);

	var _Chart = __webpack_require__(1);

	var _Chart2 = _interopRequireDefault(_Chart);

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

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

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	function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

	var propTypes = {
	  className: _react2.default.PropTypes.string,
	  redraw: _react2.default.PropTypes.bool,
	  data: _react2.default.PropTypes.object.isRequired,
	  options: _react2.default.PropTypes.object,
	  width: _react2.default.PropTypes.number,
	  height: _react2.default.PropTypes.number
	};

	var PieChart = function (_React$Component) {
	  _inherits(PieChart, _React$Component);

	  function PieChart(props, context) {
	    _classCallCheck(this, PieChart);

	    var _this = _possibleConstructorReturn(this, (PieChart.__proto__ || Object.getPrototypeOf(PieChart)).call(this, props, context));

	    _this.chart = null;
	    return _this;
	  }

	  _createClass(PieChart, [{
	    key: 'render',
	    value: function render() {
	      var _this2 = this;

	      return _react2.default.createElement(_Chart2.default, _extends({}, this.props, { ref: function ref(_ref) {
	          return _this2.chart = _ref;
	        }, type: 'bar' }));
	    }
	  }]);

	  return PieChart;
	}(_react2.default.Component);

	PieChart.propTypes = propTypes;

	exports.default = PieChart;

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

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

	var _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; };

	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

	var _react = __webpack_require__(2);

	var _react2 = _interopRequireDefault(_react);

	var _Chart = __webpack_require__(1);

	var _Chart2 = _interopRequireDefault(_Chart);

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

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

	function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

	function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

	var propTypes = {
	  className: _react2.default.PropTypes.string,
	  redraw: _react2.default.PropTypes.bool,
	  data: _react2.default.PropTypes.object.isRequired,
	  options: _react2.default.PropTypes.object,
	  width: _react2.default.PropTypes.number,
	  height: _react2.default.PropTypes.number
	};

	var DoughnutChart = function (_React$Component) {
	  _inherits(DoughnutChart, _React$Component);

	  function DoughnutChart(props, context) {
	    _classCallCheck(this, DoughnutChart);

	    var _this = _possibleConstructorReturn(this, (DoughnutChart.__proto__ || Object.getPrototypeOf(DoughnutChart)).call(this, props, context));

	    _this.chart = null;
	    return _this;
	  }

	  _createClass(DoughnutChart, [{
	    key: 'render',
	    value: function render() {
	      var _this2 = this;

	      return _react2.default.createElement(_Chart2.default, _extends({}, this.props, { ref: function ref(_ref) {
	          return _this2.chart = _ref;
	        }, type: 'doughnut' }));
	    }
	  }]);

	  return DoughnutChart;
	}(_react2.default.Component);

	DoughnutChart.propTypes = propTypes;

	exports.default = DoughnutChart;

/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

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

	var _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; };

	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

	var _react = __webpack_require__(2);

	var _react2 = _interopRequireDefault(_react);

	var _Chart = __webpack_require__(1);

	var _Chart2 = _interopRequireDefault(_Chart);

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

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

	function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

	function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

	var propTypes = {
	  className: _react2.default.PropTypes.string,
	  redraw: _react2.default.PropTypes.bool,
	  data: _react2.default.PropTypes.object.isRequired,
	  options: _react2.default.PropTypes.object,
	  width: _react2.default.PropTypes.number,
	  height: _react2.default.PropTypes.number
	};

	var LineChart = function (_React$Component) {
	  _inherits(LineChart, _React$Component);

	  function LineChart(props, context) {
	    _classCallCheck(this, LineChart);

	    var _this = _possibleConstructorReturn(this, (LineChart.__proto__ || Object.getPrototypeOf(LineChart)).call(this, props, context));

	    _this.chart = null;
	    return _this;
	  }

	  _createClass(LineChart, [{
	    key: 'render',
	    value: function render() {
	      var _this2 = this;

	      return _react2.default.createElement(_Chart2.default, _extends({}, this.props, { ref: function ref(_ref) {
	          return _this2.chart = _ref;
	        }, type: 'line' }));
	    }
	  }]);

	  return LineChart;
	}(_react2.default.Component);

	LineChart.propTypes = propTypes;

	exports.default = LineChart;

/***/ },
/* 6 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

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

	var _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; };

	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

	var _react = __webpack_require__(2);

	var _react2 = _interopRequireDefault(_react);

	var _Chart = __webpack_require__(1);

	var _Chart2 = _interopRequireDefault(_Chart);

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

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

	function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

	function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

	var propTypes = {
	  className: _react2.default.PropTypes.string,
	  redraw: _react2.default.PropTypes.bool,
	  data: _react2.default.PropTypes.object.isRequired,
	  options: _react2.default.PropTypes.object,
	  width: _react2.default.PropTypes.number,
	  height: _react2.default.PropTypes.number
	};

	var PieChart = function (_React$Component) {
	  _inherits(PieChart, _React$Component);

	  function PieChart(props, context) {
	    _classCallCheck(this, PieChart);

	    var _this = _possibleConstructorReturn(this, (PieChart.__proto__ || Object.getPrototypeOf(PieChart)).call(this, props, context));

	    _this.chart = null;
	    return _this;
	  }

	  _createClass(PieChart, [{
	    key: 'render',
	    value: function render() {
	      var _this2 = this;

	      return _react2.default.createElement(_Chart2.default, _extends({}, this.props, { ref: function ref(_ref) {
	          return _this2.chart = _ref;
	        }, type: 'pie' }));
	    }
	  }]);

	  return PieChart;
	}(_react2.default.Component);

	PieChart.propTypes = propTypes;

	exports.default = PieChart;

/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	Object.defineProperty(exports, "__esModule", {
	  value: true
	});
	exports.BarChart = exports.DoughnutChart = exports.PieChart = exports.LineChart = exports.Chart = undefined;

	var _Chart = __webpack_require__(1);

	var _Chart2 = _interopRequireDefault(_Chart);

	var _LineChart = __webpack_require__(5);

	var _LineChart2 = _interopRequireDefault(_LineChart);

	var _BarChart = __webpack_require__(3);

	var _BarChart2 = _interopRequireDefault(_BarChart);

	var _PieChart = __webpack_require__(6);

	var _PieChart2 = _interopRequireDefault(_PieChart);

	var _DoughnutChart = __webpack_require__(4);

	var _DoughnutChart2 = _interopRequireDefault(_DoughnutChart);

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

	exports.Chart = _Chart2.default;
	exports.LineChart = _LineChart2.default;
	exports.PieChart = _PieChart2.default;
	exports.DoughnutChart = _DoughnutChart2.default;
	exports.BarChart = _BarChart2.default;

/***/ },
/* 8 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(global, module) {/**
	 * lodash (Custom Build) <https://lodash.com/>
	 * Build: `lodash modularize exports="npm" -o ./`
	 * Copyright jQuery Foundation and other contributors <https://jquery.org/>
	 * Released under MIT license <https://lodash.com/license>
	 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
	 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
	 */

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	    numberTag = '[object Number]',
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	    regexpTag = '[object RegExp]',
	    setTag = '[object Set]',
	    stringTag = '[object String]',
	    symbolTag = '[object Symbol]',
	    weakMapTag = '[object WeakMap]';

	var arrayBufferTag = '[object ArrayBuffer]',
	    dataViewTag = '[object DataView]',
	    float32Tag = '[object Float32Array]',
	    float64Tag = '[object Float64Array]',
	    int8Tag = '[object Int8Array]',
	    int16Tag = '[object Int16Array]',
	    int32Tag = '[object Int32Array]',
	    uint8Tag = '[object Uint8Array]',
	    uint8ClampedTag = '[object Uint8ClampedArray]',
	    uint16Tag = '[object Uint16Array]',
	    uint32Tag = '[object Uint32Array]';

	/**
	 * Used to match `RegExp`
	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
	 */
	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

	/** Used to detect host constructors (Safari). */
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	typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
	typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
	typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
	typedArrayTags[uint32Tag] = true;
	typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
	typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
	typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
	typedArrayTags[errorTag] = typedArrayTags[funcTag] =
	typedArrayTags[mapTag] = typedArrayTags[numberTag] =
	typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
	typedArrayTags[setTag] = typedArrayTags[stringTag] =
	typedArrayTags[weakMapTag] = false;

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	var root = freeGlobal || freeSelf || Function('return this')();

	/** Detect free variable `exports`. */
	var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;

	/** Detect free variable `module`. */
	var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;

	/** Detect the popular CommonJS extension `module.exports`. */
	var moduleExports = freeModule && freeModule.exports === freeExports;

	/** Detect free variable `process` from Node.js. */
	var freeProcess = moduleExports && freeGlobal.process;

	/** Used to access faster Node.js helpers. */
	var nodeUtil = (function() {
	  try {
	    return freeProcess && freeProcess.binding('util');
	  } catch (e) {}
	}());

	/* Node.js helper references. */
	var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

	/**
	 * A specialized version of `_.some` for arrays without support for iteratee
	 * shorthands.
	 *
	 * @private
	 * @param {Array} [array] The array to iterate over.
	 * @param {Function} predicate The function invoked per iteration.
	 * @returns {boolean} Returns `true` if any element passes the predicate check,
	 *  else `false`.
	 */
	function arraySome(array, predicate) {
	  var index = -1,
	      length = array ? array.length : 0;

	  while (++index < length) {
	    if (predicate(array[index], index, array)) {
	      return true;
	    }
	  }
	  return false;
	}

	/**
	 * The base implementation of `_.times` without support for iteratee shorthands
	 * or max array length checks.
	 *
	 * @private
	 * @param {number} n The number of times to invoke `iteratee`.
	 * @param {Function} iteratee The function invoked per iteration.
	 * @returns {Array} Returns the array of results.
	 */
	function baseTimes(n, iteratee) {
	  var index = -1,
	      result = Array(n);

	  while (++index < n) {
	    result[index] = iteratee(index);
	  }
	  return result;
	}

	/**
	 * The base implementation of `_.unary` without support for storing metadata.
	 *
	 * @private
	 * @param {Function} func The function to cap arguments for.
	 * @returns {Function} Returns the new capped function.
	 */
	function baseUnary(func) {
	  return function(value) {
	    return func(value);
	  };
	}

	/**
	 * Gets the value at `key` of `object`.
	 *
	 * @private
	 * @param {Object} [object] The object to query.
	 * @param {string} key The key of the property to get.
	 * @returns {*} Returns the property value.
	 */
	function getValue(object, key) {
	  return object == null ? undefined : object[key];
	}

	/**
	 * Checks if `value` is a host object in IE < 9.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
	 */
	function isHostObject(value) {
	  // Many host objects are `Object` objects that can coerce to strings
	  // despite having improperly defined `toString` methods.
	  var result = false;
	  if (value != null && typeof value.toString != 'function') {
	    try {
	      result = !!(value + '');
	    } catch (e) {}
	  }
	  return result;
	}

	/**
	 * Converts `map` to its key-value pairs.
	 *
	 * @private
	 * @param {Object} map The map to convert.
	 * @returns {Array} Returns the key-value pairs.
	 */
	function mapToArray(map) {
	  var index = -1,
	      result = Array(map.size);

	  map.forEach(function(value, key) {
	    result[++index] = [key, value];
	  });
	  return result;
	}

	/**
	 * Creates a unary function that invokes `func` with its argument transformed.
	 *
	 * @private
	 * @param {Function} func The function to wrap.
	 * @param {Function} transform The argument transform.
	 * @returns {Function} Returns the new function.
	 */
	function overArg(func, transform) {
	  return function(arg) {
	    return func(transform(arg));
	  };
	}

	/**
	 * Converts `set` to an array of its values.
	 *
	 * @private
	 * @param {Object} set The set to convert.
	 * @returns {Array} Returns the values.
	 */
	function setToArray(set) {
	  var index = -1,
	      result = Array(set.size);

	  set.forEach(function(value) {
	    result[++index] = value;
	  });
	  return result;
	}

	/** Used for built-in method references. */
	var arrayProto = Array.prototype,
	    funcProto = Function.prototype,
	    objectProto = Object.prototype;

	/** Used to detect overreaching core-js shims. */
	var coreJsData = root['__core-js_shared__'];

	/** Used to detect methods masquerading as native. */
	var maskSrcKey = (function() {
	  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
	  return uid ? ('Symbol(src)_1.' + uid) : '';
	}());

	/** Used to resolve the decompiled source of functions. */
	var funcToString = funcProto.toString;

	/** Used to check objects for own properties. */
	var hasOwnProperty = objectProto.hasOwnProperty;

	/**
	 * Used to resolve the
	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
	 * of values.
	 */
	var objectToString = objectProto.toString;

	/** Used to detect if a method is native. */
	var reIsNative = RegExp('^' +
	  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
	);

	/** Built-in value references. */
	var Symbol = root.Symbol,
	    Uint8Array = root.Uint8Array,
	    propertyIsEnumerable = objectProto.propertyIsEnumerable,
	    splice = arrayProto.splice;

	/* Built-in method references for those with the same name as other `lodash` methods. */
	var nativeKeys = overArg(Object.keys, Object);

	/* Built-in method references that are verified to be native. */
	var DataView = getNative(root, 'DataView'),
	    Map = getNative(root, 'Map'),
	    Promise = getNative(root, 'Promise'),
	    Set = getNative(root, 'Set'),
	    WeakMap = getNative(root, 'WeakMap'),
	    nativeCreate = getNative(Object, 'create');

	/** Used to detect maps, sets, and weakmaps. */
	var dataViewCtorString = toSource(DataView),
	    mapCtorString = toSource(Map),
	    promiseCtorString = toSource(Promise),
	    setCtorString = toSource(Set),
	    weakMapCtorString = toSource(WeakMap);

	/** Used to convert symbols to primitives and strings. */
	var symbolProto = Symbol ? Symbol.prototype : undefined,
	    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

	/**
	 * Creates a hash object.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function Hash(entries) {
	  var index = -1,
	      length = entries ? entries.length : 0;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	/**
	 * Removes all key-value entries from the hash.
	 *
	 * @private
	 * @name clear
	 * @memberOf Hash
	 */
	function hashClear() {
	  this.__data__ = nativeCreate ? nativeCreate(null) : {};
	}

	/**
	 * Removes `key` and its value from the hash.
	 *
	 * @private
	 * @name delete
	 * @memberOf Hash
	 * @param {Object} hash The hash to modify.
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function hashDelete(key) {
	  return this.has(key) && delete this.__data__[key];
	}

	/**
	 * Gets the hash value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf Hash
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function hashGet(key) {
	  var data = this.__data__;
	  if (nativeCreate) {
	    var result = data[key];
	    return result === HASH_UNDEFINED ? undefined : result;
	  }
	  return hasOwnProperty.call(data, key) ? data[key] : undefined;
	}

	/**
	 * Checks if a hash value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf Hash
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function hashHas(key) {
	  var data = this.__data__;
	  return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
	}

	/**
	 * Sets the hash `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf Hash
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the hash instance.
	 */
	function hashSet(key, value) {
	  var data = this.__data__;
	  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
	  return this;
	}

	// Add methods to `Hash`.
	Hash.prototype.clear = hashClear;
	Hash.prototype['delete'] = hashDelete;
	Hash.prototype.get = hashGet;
	Hash.prototype.has = hashHas;
	Hash.prototype.set = hashSet;

	/**
	 * Creates an list cache object.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function ListCache(entries) {
	  var index = -1,
	      length = entries ? entries.length : 0;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	/**
	 * Removes all key-value entries from the list cache.
	 *
	 * @private
	 * @name clear
	 * @memberOf ListCache
	 */
	function listCacheClear() {
	  this.__data__ = [];
	}

	/**
	 * Removes `key` and its value from the list cache.
	 *
	 * @private
	 * @name delete
	 * @memberOf ListCache
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function listCacheDelete(key) {
	  var data = this.__data__,
	      index = assocIndexOf(data, key);

	  if (index < 0) {
	    return false;
	  }
	  var lastIndex = data.length - 1;
	  if (index == lastIndex) {
	    data.pop();
	  } else {
	    splice.call(data, index, 1);
	  }
	  return true;
	}

	/**
	 * Gets the list cache value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf ListCache
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function listCacheGet(key) {
	  var data = this.__data__,
	      index = assocIndexOf(data, key);

	  return index < 0 ? undefined : data[index][1];
	}

	/**
	 * Checks if a list cache value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf ListCache
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function listCacheHas(key) {
	  return assocIndexOf(this.__data__, key) > -1;
	}

	/**
	 * Sets the list cache `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf ListCache
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the list cache instance.
	 */
	function listCacheSet(key, value) {
	  var data = this.__data__,
	      index = assocIndexOf(data, key);

	  if (index < 0) {
	    data.push([key, value]);
	  } else {
	    data[index][1] = value;
	  }
	  return this;
	}

	// Add methods to `ListCache`.
	ListCache.prototype.clear = listCacheClear;
	ListCache.prototype['delete'] = listCacheDelete;
	ListCache.prototype.get = listCacheGet;
	ListCache.prototype.has = listCacheHas;
	ListCache.prototype.set = listCacheSet;

	/**
	 * Creates a map cache object to store key-value pairs.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function MapCache(entries) {
	  var index = -1,
	      length = entries ? entries.length : 0;

	  this.clear();
	  while (++index < length) {
	    var entry = entries[index];
	    this.set(entry[0], entry[1]);
	  }
	}

	/**
	 * Removes all key-value entries from the map.
	 *
	 * @private
	 * @name clear
	 * @memberOf MapCache
	 */
	function mapCacheClear() {
	  this.__data__ = {
	    'hash': new Hash,
	    'map': new (Map || ListCache),
	    'string': new Hash
	  };
	}

	/**
	 * Removes `key` and its value from the map.
	 *
	 * @private
	 * @name delete
	 * @memberOf MapCache
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function mapCacheDelete(key) {
	  return getMapData(this, key)['delete'](key);
	}

	/**
	 * Gets the map value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf MapCache
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function mapCacheGet(key) {
	  return getMapData(this, key).get(key);
	}

	/**
	 * Checks if a map value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf MapCache
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function mapCacheHas(key) {
	  return getMapData(this, key).has(key);
	}

	/**
	 * Sets the map `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf MapCache
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the map cache instance.
	 */
	function mapCacheSet(key, value) {
	  getMapData(this, key).set(key, value);
	  return this;
	}

	// Add methods to `MapCache`.
	MapCache.prototype.clear = mapCacheClear;
	MapCache.prototype['delete'] = mapCacheDelete;
	MapCache.prototype.get = mapCacheGet;
	MapCache.prototype.has = mapCacheHas;
	MapCache.prototype.set = mapCacheSet;

	/**
	 *
	 * Creates an array cache object to store unique values.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [values] The values to cache.
	 */
	function SetCache(values) {
	  var index = -1,
	      length = values ? values.length : 0;

	  this.__data__ = new MapCache;
	  while (++index < length) {
	    this.add(values[index]);
	  }
	}

	/**
	 * Adds `value` to the array cache.
	 *
	 * @private
	 * @name add
	 * @memberOf SetCache
	 * @alias push
	 * @param {*} value The value to cache.
	 * @returns {Object} Returns the cache instance.
	 */
	function setCacheAdd(value) {
	  this.__data__.set(value, HASH_UNDEFINED);
	  return this;
	}

	/**
	 * Checks if `value` is in the array cache.
	 *
	 * @private
	 * @name has
	 * @memberOf SetCache
	 * @param {*} value The value to search for.
	 * @returns {number} Returns `true` if `value` is found, else `false`.
	 */
	function setCacheHas(value) {
	  return this.__data__.has(value);
	}

	// Add methods to `SetCache`.
	SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
	SetCache.prototype.has = setCacheHas;

	/**
	 * Creates a stack cache object to store key-value pairs.
	 *
	 * @private
	 * @constructor
	 * @param {Array} [entries] The key-value pairs to cache.
	 */
	function Stack(entries) {
	  this.__data__ = new ListCache(entries);
	}

	/**
	 * Removes all key-value entries from the stack.
	 *
	 * @private
	 * @name clear
	 * @memberOf Stack
	 */
	function stackClear() {
	  this.__data__ = new ListCache;
	}

	/**
	 * Removes `key` and its value from the stack.
	 *
	 * @private
	 * @name delete
	 * @memberOf Stack
	 * @param {string} key The key of the value to remove.
	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
	 */
	function stackDelete(key) {
	  return this.__data__['delete'](key);
	}

	/**
	 * Gets the stack value for `key`.
	 *
	 * @private
	 * @name get
	 * @memberOf Stack
	 * @param {string} key The key of the value to get.
	 * @returns {*} Returns the entry value.
	 */
	function stackGet(key) {
	  return this.__data__.get(key);
	}

	/**
	 * Checks if a stack value for `key` exists.
	 *
	 * @private
	 * @name has
	 * @memberOf Stack
	 * @param {string} key The key of the entry to check.
	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
	 */
	function stackHas(key) {
	  return this.__data__.has(key);
	}

	/**
	 * Sets the stack `key` to `value`.
	 *
	 * @private
	 * @name set
	 * @memberOf Stack
	 * @param {string} key The key of the value to set.
	 * @param {*} value The value to set.
	 * @returns {Object} Returns the stack cache instance.
	 */
	function stackSet(key, value) {
	  var cache = this.__data__;
	  if (cache instanceof ListCache) {
	    var pairs = cache.__data__;
	    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
	      pairs.push([key, value]);
	      return this;
	    }
	    cache = this.__data__ = new MapCache(pairs);
	  }
	  cache.set(key, value);
	  return this;
	}

	// Add methods to `Stack`.
	Stack.prototype.clear = stackClear;
	Stack.prototype['delete'] = stackDelete;
	Stack.prototype.get = stackGet;
	Stack.prototype.has = stackHas;
	Stack.prototype.set = stackSet;

	/**
	 * Creates an array of the enumerable property names of the array-like `value`.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @param {boolean} inherited Specify returning inherited property names.
	 * @returns {Array} Returns the array of property names.
	 */
	function arrayLikeKeys(value, inherited) {
	  // Safari 8.1 makes `arguments.callee` enumerable in strict mode.
	  // Safari 9 makes `arguments.length` enumerable in strict mode.
	  var result = (isArray(value) || isArguments(value))
	    ? baseTimes(value.length, String)
	    : [];

	  var length = result.length,
	      skipIndexes = !!length;

	  for (var key in value) {
	    if ((inherited || hasOwnProperty.call(value, key)) &&
	        !(skipIndexes && (key == 'length' || isIndex(key, length)))) {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * Gets the index at which the `key` is found in `array` of key-value pairs.
	 *
	 * @private
	 * @param {Array} array The array to inspect.
	 * @param {*} key The key to search for.
	 * @returns {number} Returns the index of the matched value, else `-1`.
	 */
	function assocIndexOf(array, key) {
	  var length = array.length;
	  while (length--) {
	    if (eq(array[length][0], key)) {
	      return length;
	    }
	  }
	  return -1;
	}

	/**
	 * The base implementation of `getTag`.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @returns {string} Returns the `toStringTag`.
	 */
	function baseGetTag(value) {
	  return objectToString.call(value);
	}

	/**
	 * The base implementation of `_.isEqual` which supports partial comparisons
	 * and tracks traversed objects.
	 *
	 * @private
	 * @param {*} value The value to compare.
	 * @param {*} other The other value to compare.
	 * @param {Function} [customizer] The function to customize comparisons.
	 * @param {boolean} [bitmask] The bitmask of comparison flags.
	 *  The bitmask may be composed of the following flags:
	 *     1 - Unordered comparison
	 *     2 - Partial comparison
	 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
	 */
	function baseIsEqual(value, other, customizer, bitmask, stack) {
	  if (value === other) {
	    return true;
	  }
	  if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
	    return value !== value && other !== other;
	  }
	  return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
	}

	/**
	 * A specialized version of `baseIsEqual` for arrays and objects which performs
	 * deep comparisons and tracks traversed objects enabling objects with circular
	 * references to be compared.
	 *
	 * @private
	 * @param {Object} object The object to compare.
	 * @param {Object} other The other object to compare.
	 * @param {Function} equalFunc The function to determine equivalents of values.
	 * @param {Function} [customizer] The function to customize comparisons.
	 * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
	 *  for more details.
	 * @param {Object} [stack] Tracks traversed `object` and `other` objects.
	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
	 */
	function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
	  var objIsArr = isArray(object),
	      othIsArr = isArray(other),
	      objTag = arrayTag,
	      othTag = arrayTag;

	  if (!objIsArr) {
	    objTag = getTag(object);
	    objTag = objTag == argsTag ? objectTag : objTag;
	  }
	  if (!othIsArr) {
	    othTag = getTag(other);
	    othTag = othTag == argsTag ? objectTag : othTag;
	  }
	  var objIsObj = objTag == objectTag && !isHostObject(object),
	      othIsObj = othTag == objectTag && !isHostObject(other),
	      isSameTag = objTag == othTag;

	  if (isSameTag && !objIsObj) {
	    stack || (stack = new Stack);
	    return (objIsArr || isTypedArray(object))
	      ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
	      : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
	  }
	  if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
	    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
	        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

	    if (objIsWrapped || othIsWrapped) {
	      var objUnwrapped = objIsWrapped ? object.value() : object,
	          othUnwrapped = othIsWrapped ? other.value() : other;

	      stack || (stack = new Stack);
	      return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
	    }
	  }
	  if (!isSameTag) {
	    return false;
	  }
	  stack || (stack = new Stack);
	  return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
	}

	/**
	 * The base implementation of `_.isNative` without bad shim checks.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a native function,
	 *  else `false`.
	 */
	function baseIsNative(value) {
	  if (!isObject(value) || isMasked(value)) {
	    return false;
	  }
	  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
	  return pattern.test(toSource(value));
	}

	/**
	 * The base implementation of `_.isTypedArray` without Node.js optimizations.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
	 */
	function baseIsTypedArray(value) {
	  return isObjectLike(value) &&
	    isLength(value.length) && !!typedArrayTags[objectToString.call(value)];
	}

	/**
	 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function baseKeys(object) {
	  if (!isPrototype(object)) {
	    return nativeKeys(object);
	  }
	  var result = [];
	  for (var key in Object(object)) {
	    if (hasOwnProperty.call(object, key) && key != 'constructor') {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * A specialized version of `baseIsEqualDeep` for arrays with support for
	 * partial deep comparisons.
	 *
	 * @private
	 * @param {Array} array The array to compare.
	 * @param {Array} other The other array to compare.
	 * @param {Function} equalFunc The function to determine equivalents of values.
	 * @param {Function} customizer The function to customize comparisons.
	 * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
	 *  for more details.
	 * @param {Object} stack Tracks traversed `array` and `other` objects.
	 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
	 */
	function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
	  var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
	      arrLength = array.length,
	      othLength = other.length;

	  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
	    return false;
	  }
	  // Assume cyclic values are equal.
	  var stacked = stack.get(array);
	  if (stacked && stack.get(other)) {
	    return stacked == other;
	  }
	  var index = -1,
	      result = true,
	      seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;

	  stack.set(array, other);
	  stack.set(other, array);

	  // Ignore non-index properties.
	  while (++index < arrLength) {
	    var arrValue = array[index],
	        othValue = other[index];

	    if (customizer) {
	      var compared = isPartial
	        ? customizer(othValue, arrValue, index, other, array, stack)
	        : customizer(arrValue, othValue, index, array, other, stack);
	    }
	    if (compared !== undefined) {
	      if (compared) {
	        continue;
	      }
	      result = false;
	      break;
	    }
	    // Recursively compare arrays (susceptible to call stack limits).
	    if (seen) {
	      if (!arraySome(other, function(othValue, othIndex) {
	            if (!seen.has(othIndex) &&
	                (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
	              return seen.add(othIndex);
	            }
	          })) {
	        result = false;
	        break;
	      }
	    } else if (!(
	          arrValue === othValue ||
	            equalFunc(arrValue, othValue, customizer, bitmask, stack)