fixed-data-table-2/dist/fixed-data-table.js

A React table component designed to allow presenting thousands of rows of data.

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react'), require('react-dom')) :
  typeof define === 'function' && define.amd ? define(['exports', 'react', 'react-dom'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.FixedDataTable = {}, global.React, global.ReactDOM));
})(this, (function (exports, React, ReactDOM) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var React__default = /*#__PURE__*/_interopDefaultLegacy(React);
  var ReactDOM__default = /*#__PURE__*/_interopDefaultLegacy(ReactDOM);

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    }, _setPrototypeOf(t, e);
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  function _inherits$2(t, e) {
    if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function");
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      constructor: {
        value: t,
        writable: !0,
        configurable: !0
      }
    }), Object.defineProperty(t, "prototype", {
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  function _possibleConstructorReturn$2(t, e) {
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  /**
   * Copyright Schrodinger, LLC
   * All rights reserved.
   *
   * This source code is licensed under the BSD-style license found in the
   * LICENSE file in the root directory of this source tree. An additional grant
   * of patent rights can be found in the PATENTS file in the same directory.
   *
   * @providesModule invariant
   */
  /**
   * Use invariant() to assert state which your program assumes to be true.
   *
   * Provide sprintf-style format (only %s is supported) and arguments
   * to provide information about what broke and what you were
   * expecting.
   *
   * The invariant message will be stripped in production, but the invariant
   * will remain to ensure logic does not differ in production.
   */

  var invariant = function invariant(condition, format, a, b, c, d, e, f) {
    {
      if (format === undefined) {
        throw new Error('invariant requires an error message argument');
      }
    }

    if (!condition) {
      var error;

      if (format === undefined) {
        error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
      } else {
        var args = [a, b, c, d, e, f];
        var argIndex = 0;
        error = new Error('Invariant Violation: ' + format.replace(/%s/g, function () {
          return args[argIndex++];
        }));
      }

      error.framesToPop = 1; // we don't care about invariant's own frame

      throw error;
    }
  };

  var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

  /**
   * Checks if `value` is classified as an `Array` object.
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is an array, else `false`.
   * @example
   *
   * _.isArray([1, 2, 3]);
   * // => true
   *
   * _.isArray(document.body.children);
   * // => false
   *
   * _.isArray('abc');
   * // => false
   *
   * _.isArray(_.noop);
   * // => false
   */

  var isArray$c = Array.isArray;

  var isArray_1 = isArray$c;

  /** Detect free variable `global` from Node.js. */

  var freeGlobal$1 = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

  var _freeGlobal = freeGlobal$1;

  var freeGlobal = _freeGlobal;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root$8 = freeGlobal || freeSelf || Function('return this')();

  var _root = root$8;

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  /** Built-in value references. */
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  var _Symbol = Symbol$6;

  var Symbol$5 = _Symbol;

  /** Used for built-in method references. */
  var objectProto$d = Object.prototype;

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

  /**
   * Used to resolve the
   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
   * of values.
   */
  var nativeObjectToString$1 = objectProto$d.toString;

  /** Built-in value references. */
  var symToStringTag$1 = Symbol$5 ? Symbol$5.toStringTag : undefined;

  /**
   * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
   *
   * @private
   * @param {*} value The value to query.
   * @returns {string} Returns the raw `toStringTag`.
   */
  function getRawTag$1(value) {
    var isOwn = hasOwnProperty$b.call(value, symToStringTag$1),
        tag = value[symToStringTag$1];

    try {
      value[symToStringTag$1] = undefined;
      var unmasked = true;
    } catch (e) {}

    var result = nativeObjectToString$1.call(value);
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      } else {
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    }
    return result;
  }

  var _getRawTag = getRawTag$1;

  /** Used for built-in method references. */

  var objectProto$c = Object.prototype;

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

  /**
   * Converts `value` to a string using `Object.prototype.toString`.
   *
   * @private
   * @param {*} value The value to convert.
   * @returns {string} Returns the converted string.
   */
  function objectToString$1(value) {
    return nativeObjectToString.call(value);
  }

  var _objectToString = objectToString$1;

  var Symbol$4 = _Symbol,
      getRawTag = _getRawTag,
      objectToString = _objectToString;

  /** `Object#toString` result references. */
  var nullTag = '[object Null]',
      undefinedTag = '[object Undefined]';

  /** Built-in value references. */
  var symToStringTag = Symbol$4 ? Symbol$4.toStringTag : undefined;

  /**
   * The base implementation of `getTag` without fallbacks for buggy environments.
   *
   * @private
   * @param {*} value The value to query.
   * @returns {string} Returns the `toStringTag`.
   */
  function baseGetTag$7(value) {
    if (value == null) {
      return value === undefined ? undefinedTag : nullTag;
    }
    return (symToStringTag && symToStringTag in Object(value))
      ? getRawTag(value)
      : objectToString(value);
  }

  var _baseGetTag = baseGetTag$7;

  /**
   * Checks if `value` is object-like. A value is object-like if it's not `null`
   * and has a `typeof` result of "object".
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
   * @example
   *
   * _.isObjectLike({});
   * // => true
   *
   * _.isObjectLike([1, 2, 3]);
   * // => true
   *
   * _.isObjectLike(_.noop);
   * // => false
   *
   * _.isObjectLike(null);
   * // => false
   */

  function isObjectLike$8(value) {
    return value != null && typeof value == 'object';
  }

  var isObjectLike_1 = isObjectLike$8;

  var baseGetTag$6 = _baseGetTag,
      isObjectLike$7 = isObjectLike_1;

  /** `Object#toString` result references. */
  var symbolTag$2 = '[object Symbol]';

  /**
   * Checks if `value` is classified as a `Symbol` primitive or object.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
   * @example
   *
   * _.isSymbol(Symbol.iterator);
   * // => true
   *
   * _.isSymbol('abc');
   * // => false
   */
  function isSymbol$4(value) {
    return typeof value == 'symbol' ||
      (isObjectLike$7(value) && baseGetTag$6(value) == symbolTag$2);
  }

  var isSymbol_1 = isSymbol$4;

  var isArray$b = isArray_1,
      isSymbol$3 = isSymbol_1;

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/;

  /**
   * Checks if `value` is a property name and not a property path.
   *
   * @private
   * @param {*} value The value to check.
   * @param {Object} [object] The object to query keys on.
   * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
   */
  function isKey$1(value, object) {
    if (isArray$b(value)) {
      return false;
    }
    var type = typeof value;
    if (type == 'number' || type == 'symbol' || type == 'boolean' ||
        value == null || isSymbol$3(value)) {
      return true;
    }
    return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
      (object != null && value in Object(object));
  }

  var _isKey = isKey$1;

  /**
   * Checks if `value` is the
   * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
   * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is an object, else `false`.
   * @example
   *
   * _.isObject({});
   * // => true
   *
   * _.isObject([1, 2, 3]);
   * // => true
   *
   * _.isObject(_.noop);
   * // => true
   *
   * _.isObject(null);
   * // => false
   */

  function isObject$7(value) {
    var type = typeof value;
    return value != null && (type == 'object' || type == 'function');
  }

  var isObject_1 = isObject$7;

  var baseGetTag$5 = _baseGetTag,
      isObject$6 = isObject_1;

  /** `Object#toString` result references. */
  var asyncTag = '[object AsyncFunction]',
      funcTag$2 = '[object Function]',
      genTag$1 = '[object GeneratorFunction]',
      proxyTag = '[object Proxy]';

  /**
   * Checks if `value` is classified as a `Function` object.
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a function, else `false`.
   * @example
   *
   * _.isFunction(_);
   * // => true
   *
   * _.isFunction(/abc/);
   * // => false
   */
  function isFunction$2(value) {
    if (!isObject$6(value)) {
      return false;
    }
    // The use of `Object#toString` avoids issues with the `typeof` operator
    // in Safari 9 which returns 'object' for typed arrays and other constructors.
    var tag = baseGetTag$5(value);
    return tag == funcTag$2 || tag == genTag$1 || tag == asyncTag || tag == proxyTag;
  }

  var isFunction_1 = isFunction$2;

  var root$6 = _root;

  /** Used to detect overreaching core-js shims. */
  var coreJsData$1 = root$6['__core-js_shared__'];

  var _coreJsData = coreJsData$1;

  var coreJsData = _coreJsData;

  /** 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) : '';
  }());

  /**
   * Checks if `func` has its source masked.
   *
   * @private
   * @param {Function} func The function to check.
   * @returns {boolean} Returns `true` if `func` is masked, else `false`.
   */
  function isMasked$1(func) {
    return !!maskSrcKey && (maskSrcKey in func);
  }

  var _isMasked = isMasked$1;

  /** Used for built-in method references. */

  var funcProto$1 = Function.prototype;

  /** Used to resolve the decompiled source of functions. */
  var funcToString$1 = funcProto$1.toString;

  /**
   * Converts `func` to its source code.
   *
   * @private
   * @param {Function} func The function to convert.
   * @returns {string} Returns the source code.
   */
  function toSource$2(func) {
    if (func != null) {
      try {
        return funcToString$1.call(func);
      } catch (e) {}
      try {
        return (func + '');
      } catch (e) {}
    }
    return '';
  }

  var _toSource = toSource$2;

  var isFunction$1 = isFunction_1,
      isMasked = _isMasked,
      isObject$5 = isObject_1,
      toSource$1 = _toSource;

  /**
   * 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). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

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

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

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

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

  /**
   * 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$1(value) {
    if (!isObject$5(value) || isMasked(value)) {
      return false;
    }
    var pattern = isFunction$1(value) ? reIsNative : reIsHostCtor;
    return pattern.test(toSource$1(value));
  }

  var _baseIsNative = baseIsNative$1;

  /**
   * 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$1(object, key) {
    return object == null ? undefined : object[key];
  }

  var _getValue = getValue$1;

  var baseIsNative = _baseIsNative,
      getValue = _getValue;

  /**
   * Gets the native function at `key` of `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {string} key The key of the method to get.
   * @returns {*} Returns the function if it's native, else `undefined`.
   */
  function getNative$7(object, key) {
    var value = getValue(object, key);
    return baseIsNative(value) ? value : undefined;
  }

  var _getNative = getNative$7;

  var getNative$6 = _getNative;

  /* Built-in method references that are verified to be native. */
  var nativeCreate$4 = getNative$6(Object, 'create');

  var _nativeCreate = nativeCreate$4;

  var nativeCreate$3 = _nativeCreate;

  /**
   * Removes all key-value entries from the hash.
   *
   * @private
   * @name clear
   * @memberOf Hash
   */
  function hashClear$1() {
    this.__data__ = nativeCreate$3 ? nativeCreate$3(null) : {};
    this.size = 0;
  }

  var _hashClear = hashClear$1;

  /**
   * 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$1(key) {
    var result = this.has(key) && delete this.__data__[key];
    this.size -= result ? 1 : 0;
    return result;
  }

  var _hashDelete = hashDelete$1;

  var nativeCreate$2 = _nativeCreate;

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';

  /** Used for built-in method references. */
  var objectProto$a = Object.prototype;

  /** Used to check objects for own properties. */
  var hasOwnProperty$9 = objectProto$a.hasOwnProperty;

  /**
   * 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$1(key) {
    var data = this.__data__;
    if (nativeCreate$2) {
      var result = data[key];
      return result === HASH_UNDEFINED$1 ? undefined : result;
    }
    return hasOwnProperty$9.call(data, key) ? data[key] : undefined;
  }

  var _hashGet = hashGet$1;

  var nativeCreate$1 = _nativeCreate;

  /** Used for built-in method references. */
  var objectProto$9 = Object.prototype;

  /** Used to check objects for own properties. */
  var hasOwnProperty$8 = objectProto$9.hasOwnProperty;

  /**
   * 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$1(key) {
    var data = this.__data__;
    return nativeCreate$1 ? (data[key] !== undefined) : hasOwnProperty$8.call(data, key);
  }

  var _hashHas = hashHas$1;

  var nativeCreate = _nativeCreate;

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /**
   * 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$1(key, value) {
    var data = this.__data__;
    this.size += this.has(key) ? 0 : 1;
    data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
    return this;
  }

  var _hashSet = hashSet$1;

  var hashClear = _hashClear,
      hashDelete = _hashDelete,
      hashGet = _hashGet,
      hashHas = _hashHas,
      hashSet = _hashSet;

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

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

  // Add methods to `Hash`.
  Hash$1.prototype.clear = hashClear;
  Hash$1.prototype['delete'] = hashDelete;
  Hash$1.prototype.get = hashGet;
  Hash$1.prototype.has = hashHas;
  Hash$1.prototype.set = hashSet;

  var _Hash = Hash$1;

  /**
   * Removes all key-value entries from the list cache.
   *
   * @private
   * @name clear
   * @memberOf ListCache
   */

  function listCacheClear$1() {
    this.__data__ = [];
    this.size = 0;
  }

  var _listCacheClear = listCacheClear$1;

  /**
   * Performs a
   * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
   * comparison between two values to determine if they are equivalent.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to compare.
   * @param {*} other The other value to compare.
   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
   * @example
   *
   * var object = { 'a': 1 };
   * var other = { 'a': 1 };
   *
   * _.eq(object, object);
   * // => true
   *
   * _.eq(object, other);
   * // => false
   *
   * _.eq('a', 'a');
   * // => true
   *
   * _.eq('a', Object('a'));
   * // => false
   *
   * _.eq(NaN, NaN);
   * // => true
   */

  function eq$2(value, other) {
    return value === other || (value !== value && other !== other);
  }

  var eq_1 = eq$2;

  var eq$1 = eq_1;

  /**
   * 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$4(array, key) {
    var length = array.length;
    while (length--) {
      if (eq$1(array[length][0], key)) {
        return length;
      }
    }
    return -1;
  }

  var _assocIndexOf = assocIndexOf$4;

  var assocIndexOf$3 = _assocIndexOf;

  /** Used for built-in method references. */
  var arrayProto = Array.prototype;

  /** Built-in value references. */
  var splice = arrayProto.splice;

  /**
   * 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$1(key) {
    var data = this.__data__,
        index = assocIndexOf$3(data, key);

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

  var _listCacheDelete = listCacheDelete$1;

  var assocIndexOf$2 = _assocIndexOf;

  /**
   * 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$1(key) {
    var data = this.__data__,
        index = assocIndexOf$2(data, key);

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

  var _listCacheGet = listCacheGet$1;

  var assocIndexOf$1 = _assocIndexOf;

  /**
   * 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$1(key) {
    return assocIndexOf$1(this.__data__, key) > -1;
  }

  var _listCacheHas = listCacheHas$1;

  var assocIndexOf = _assocIndexOf;

  /**
   * 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$1(key, value) {
    var data = this.__data__,
        index = assocIndexOf(data, key);

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

  var _listCacheSet = listCacheSet$1;

  var listCacheClear = _listCacheClear,
      listCacheDelete = _listCacheDelete,
      listCacheGet = _listCacheGet,
      listCacheHas = _listCacheHas,
      listCacheSet = _listCacheSet;

  /**
   * Creates an list cache object.
   *
   * @private
   * @constructor
   * @param {Array} [entries] The key-value pairs to cache.
   */
  function ListCache$4(entries) {
    var index = -1,
        length = entries == null ? 0 : entries.length;

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

  // Add methods to `ListCache`.
  ListCache$4.prototype.clear = listCacheClear;
  ListCache$4.prototype['delete'] = listCacheDelete;
  ListCache$4.prototype.get = listCacheGet;
  ListCache$4.prototype.has = listCacheHas;
  ListCache$4.prototype.set = listCacheSet;

  var _ListCache = ListCache$4;

  var getNative$5 = _getNative,
      root$5 = _root;

  /* Built-in method references that are verified to be native. */
  var Map$4 = getNative$5(root$5, 'Map');

  var _Map = Map$4;

  var Hash = _Hash,
      ListCache$3 = _ListCache,
      Map$3 = _Map;

  /**
   * Removes all key-value entries from the map.
   *
   * @private
   * @name clear
   * @memberOf MapCache
   */
  function mapCacheClear$1() {
    this.size = 0;
    this.__data__ = {
      'hash': new Hash,
      'map': new (Map$3 || ListCache$3),
      'string': new Hash
    };
  }

  var _mapCacheClear = mapCacheClear$1;

  /**
   * Checks if `value` is suitable for use as unique object key.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
   */

  function isKeyable$1(value) {
    var type = typeof value;
    return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
      ? (value !== '__proto__')
      : (value === null);
  }

  var _isKeyable = isKeyable$1;

  var isKeyable = _isKeyable;

  /**
   * Gets the data for `map`.
   *
   * @private
   * @param {Object} map The map to query.
   * @param {string} key The reference key.
   * @returns {*} Returns the map data.
   */
  function getMapData$4(map, key) {
    var data = map.__data__;
    return isKeyable(key)
      ? data[typeof key == 'string' ? 'string' : 'hash']
      : data.map;
  }

  var _getMapData = getMapData$4;

  var getMapData$3 = _getMapData;

  /**
   * 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$1(key) {
    var result = getMapData$3(this, key)['delete'](key);
    this.size -= result ? 1 : 0;
    return result;
  }

  var _mapCacheDelete = mapCacheDelete$1;

  var getMapData$2 = _getMapData;

  /**
   * 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$1(key) {
    return getMapData$2(this, key).get(key);
  }

  var _mapCacheGet = mapCacheGet$1;

  var getMapData$1 = _getMapData;

  /**
   * 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$1(key) {
    return getMapData$1(this, key).has(key);
  }

  var _mapCacheHas = mapCacheHas$1;

  var getMapData = _getMapData;

  /**
   * 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$1(key, value) {
    var data = getMapData(this, key),
        size = data.size;

    data.set(key, value);
    this.size += data.size == size ? 0 : 1;
    return this;
  }

  var _mapCacheSet = mapCacheSet$1;

  var mapCacheClear = _mapCacheClear,
      mapCacheDelete = _mapCacheDelete,
      mapCacheGet = _mapCacheGet,
      mapCacheHas = _mapCacheHas,
      mapCacheSet = _mapCacheSet;

  /**
   * Creates a map cache object to store key-value pairs.
   *
   * @private
   * @constructor
   * @param {Array} [entries] The key-value pairs to cache.
   */
  function MapCache$2(entries) {
    var index = -1,
        length = entries == null ? 0 : entries.length;

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

  // Add methods to `MapCache`.
  MapCache$2.prototype.clear = mapCacheClear;
  MapCache$2.prototype['delete'] = mapCacheDelete;
  MapCache$2.prototype.get = mapCacheGet;
  MapCache$2.prototype.has = mapCacheHas;
  MapCache$2.prototype.set = mapCacheSet;

  var _MapCache = MapCache$2;

  var MapCache$1 = _MapCache;

  /** Error message constants. */
  var FUNC_ERROR_TEXT = 'Expected a function';

  /**
   * Creates a function that memoizes the result of `func`. If `resolver` is
   * provided, it determines the cache key for storing the result based on the
   * arguments provided to the memoized function. By default, the first argument
   * provided to the memoized function is used as the map cache key. The `func`
   * is invoked with the `this` binding of the memoized function.
   *
   * **Note:** The cache is exposed as the `cache` property on the memoized
   * function. Its creation may be customized by replacing the `_.memoize.Cache`
   * constructor with one whose instances implement the
   * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
   * method interface of `clear`, `delete`, `get`, `has`, and `set`.
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Function
   * @param {Function} func The function to have its output memoized.
   * @param {Function} [resolver] The function to resolve the cache key.
   * @returns {Function} Returns the new memoized function.
   * @example
   *
   * var object = { 'a': 1, 'b': 2 };
   * var other = { 'c': 3, 'd': 4 };
   *
   * var values = _.memoize(_.values);
   * values(object);
   * // => [1, 2]
   *
   * values(other);
   * // => [3, 4]
   *
   * object.a = 2;
   * values(object);
   * // => [1, 2]
   *
   * // Modify the result cache.
   * values.cache.set(object, ['a', 'b']);
   * values(object);
   * // => ['a', 'b']
   *
   * // Replace `_.memoize.Cache`.
   * _.memoize.Cache = WeakMap;
   */
  function memoize$1(func, resolver) {
    if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
      throw new TypeError(FUNC_ERROR_TEXT);
    }
    var memoized = function() {
      var args = arguments,
          key = resolver ? resolver.apply(this, args) : args[0],
          cache = memoized.cache;

      if (cache.has(key)) {
        return cache.get(key);
      }
      var result = func.apply(this, args);
      memoized.cache = cache.set(key, result) || cache;
      return result;
    };
    memoized.cache = new (memoize$1.Cache || MapCache$1);
    return memoized;
  }

  // Expose `MapCache`.
  memoize$1.Cache = MapCache$1;

  var memoize_1 = memoize$1;

  var memoize = memoize_1;

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /**
   * A specialized version of `_.memoize` which clears the memoized function's
   * cache when it exceeds `MAX_MEMOIZE_SIZE`.
   *
   * @private
   * @param {Function} func The function to have its output memoized.
   * @returns {Function} Returns the new memoized function.
   */
  function memoizeCapped$1(func) {
    var result = memoize(func, function(key) {
      if (cache.size === MAX_MEMOIZE_SIZE) {
        cache.clear();
      }
      return key;
    });

    var cache = result.cache;
    return result;
  }

  var _memoizeCapped = memoizeCapped$1;

  var memoizeCapped = _memoizeCapped;

  /** Used to match property names within property paths. */
  var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Converts `string` to a property path array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the property path array.
   */
  var stringToPath$1 = memoizeCapped(function(string) {
    var result = [];
    if (string.charCodeAt(0) === 46 /* . */) {
      result.push('');
    }
    string.replace(rePropName, function(match, number, quote, subString) {
      result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
    });
    return result;
  });

  var _stringToPath = stringToPath$1;

  /**
   * A specialized version of `_.map` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */

  function arrayMap$1(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  var _arrayMap = arrayMap$1;

  var Symbol$3 = _Symbol,
      arrayMap = _arrayMap,
      isArray$a = isArray_1,
      isSymbol$2 = isSymbol_1;

  /** Used as references for various `Number` constants. */
  var INFINITY$2 = 1 / 0;

  /** Used to convert symbols to primitives and strings. */
  var symbolProto$1 = Symbol$3 ? Symbol$3.prototype : undefined,
      symbolToString = symbolProto$1 ? symbolProto$1.toString : undefined;

  /**
   * The base implementation of `_.toString` which doesn't convert nullish
   * values to empty strings.
   *
   * @private
   * @param {*} value The value to process.
   * @returns {string} Returns the string.
   */
  function baseToString$1(value) {
    // Exit early for strings to avoid a performance hit in some environments.
    if (typeof value == 'string') {
      return value;
    }
    if (isArray$a(value)) {
      // Recursively convert values (susceptible to call stack limits).
      return arrayMap(value, baseToString$1) + '';
    }
    if (isSymbol$2(value)) {
      return symbolToString ? symbolToString.call(value) : '';
    }
    var result = (value + '');
    return (result == '0' && (1 / value) == -INFINITY$2) ? '-0' : result;
  }

  var _baseToString = baseToString$1;

  var baseToString = _baseToString;

  /**
   * Converts `value` to a string. An empty string is returned for `null`
   * and `undefined` values. The sign of `-0` is preserved.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to convert.
   * @returns {string} Returns the converted string.
   * @example
   *
   * _.toString(null);
   * // => ''
   *
   * _.toString(-0);
   * // => '-0'
   *
   * _.toString([1, 2, 3]);
   * // => '1,2,3'
   */
  function toString$1(value) {
    return value == null ? '' : baseToString(value);
  }

  var toString_1 = toString$1;

  var isArray$9 = isArray_1,
      isKey = _isKey,
      stringToPath = _stringToPath,
      toString = toString_1;

  /**
   * Casts `value` to a path array if it's not one.
   *
   * @private
   * @param {*} value The value to inspect.
   * @param {Object} [object] The object to query keys on.
   * @returns {Array} Returns the cast property path array.
   */
  function castPath$4(value, object) {
    if (isArray$9(value)) {
      return value;
    }
    return isKey(value, object) ? [value] : stringToPath(toString(value));
  }

  var _castPath = castPath$4;

  var isSymbol$1 = isSymbol_1;

  /** Used as references for various `Number` constants. */
  var INFINITY$1 = 1 / 0;

  /**
   * Converts `value` to a string key if it's not a string or symbol.
   *
   * @private
   * @param {*} value The value to inspect.
   * @returns {string|symbol} Returns the key.
   */
  function toKey$3(value) {
    if (typeof value == 'string' || isSymbol$1(value)) {
      return value;
    }
    var result = (value + '');
    return (result == '0' && (1 / value) == -INFINITY$1) ? '-0' : result;
  }

  var _toKey = toKey$3;

  var castPath$3 = _castPath,
      toKey$2 = _toKey;

  /**
   * The base implementation of `_.get` without support for default values.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array|string} path The path of the property to get.
   * @returns {*} Returns the resolved value.
   */
  function baseGet$2(object, path) {
    path = castPath$3(path, object);

    var index = 0,
        length = path.length;

    while (object != null && index < length) {
      object = object[toKey$2(path[index++])];
    }
    return (index && index == length) ? object : undefined;
  }

  var _baseGet = baseGet$2;

  var getNative$4 = _getNative;

  var defineProperty$2 = (function() {
    try {
      var func = getNative$4(Object, 'defineProperty');
      func({}, '', {});
      return func;
    } catch (e) {}
  }());

  var _defineProperty = defineProperty$2;

  var defineProperty$1 = _defineProperty;

  /**
   * The base implementation of `assignValue` and `assignMergeValue` without
   * value checks.
   *
   * @private
   * @param {Object} object The object to modify.
   * @param {string} key The key of the property to assign.
   * @param {*} value The value to assign.
   */
  function baseAssignValue$2(object, key, value) {
    if (key == '__proto__' && defineProperty$1) {
      defineProperty$1(object, key, {
        'configurable': true,
        'enumerable': true,
        'value': value,
        'writable': true
      });
    } else {
      object[key] = value;
    }
  }

  var _baseAssignValue = baseAssignValue$2;

  var baseAssignValue$1 = _baseAssignValue,
      eq = eq_1;

  /** Used for built-in method references. */
  var objectProto$8 = Object.prototype;

  /** Used to check objects for own properties. */
  var hasOwnProperty$7 = objectProto$8.hasOwnProperty;

  /**
   * Assigns `value` to `key` of `object` if the existing value is not equivalent
   * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
   * for equality comparisons.
   *
   * @private
   * @param {Object} object The object to modify.
   * @param {string} key The key of the property to assign.
   * @param {*} value The value to assign.
   */
  function assignValue$3(object, key, value) {
    var objValue = object[key];
    if (!(hasOwnProperty$7.call(object, key) && eq(objValue, value)) ||
        (value === undefined && !(key in object))) {
      baseAssignValue$1(object, key, value);
    }
  }

  var _assignValue = assignValue$3;

  /** Used as references for various `Number` constants. */

  var MAX_SAFE_INTEGER$1 = 9007199254740991;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^(?:0|[1-9]\d*)$/;

  /**
   * Checks if `value` is a valid array-like index.
   *
   * @private
   * @param {*} value The value to check.
   * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
   * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
   */
  function isIndex$3(value, length) {
    var type = typeof value;
    length = length == null ? MAX_SAFE_INTEGER$1 : length;

    return !!length &&
      (type == 'number' ||
        (type != 'symbol' && reIsUint.test(value))) &&
          (value > -1 && value % 1 == 0 && value < length);
  }

  var _isIndex = isIndex$3;

  var assignValue$2 = _assignValue,
      castPath$2 = _castPath,
      isIndex$2 = _isIndex,
      isObject$4 = isObject_1,
      toKey$1 = _toKey;

  /**
   * The base implementation of `_.set`.
   *
   * @private
   * @param {Object} object The object to modify.
   * @param {Array|string} path The path of the property to set.
   * @param {*} value The value to set.
   * @param {Function} [customizer] The function to customize path creation.
   * @returns {Object} Returns `object`.
   */
  function baseSet$1(object, path, value, customizer) {
    if (!isObject$4(object)) {
      return object;
    }
    path = castPath$2(path, object);

    var index = -1,
        length = path.length,
        lastIndex = length - 1,
        nested = object;

    while (nested != null && ++index < length) {
      var key = toKey$1(path[index]),
          newValue = value;

      if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
        return object;
      }

      if (index != lastIndex) {
        var objValue = nested[key];
        newValue = customizer ? customizer(objValue, key, nested) : undefined;
        if (newValue === undefined) {
          newValue = isObject$4(objValue)
            ? objValue
            : (isIndex$2(path[index + 1]) ? [] : {});
        }
      }
      assignValue$2(nested, key, newValue);
      nested = nested[key];
    }
    return object;
  }

  var _baseSet = baseSet$1;

  var baseGet$1 = _baseGet,
      baseSet = _baseSet,
      castPath$1 = _castPath;

  /**
   * The base implementation of  `_.pickBy` without support for iteratee shorthands.
   *
   * @private
   * @param {Object} object The source object.
   * @param {string[]} paths The property paths to pick.
   * @param {Function} predicate The function invoked per property.
   * @returns {Object} Returns the new object.
   */
  function basePickBy$1(object, paths, predicate) {
    var index = -1,
        length = paths.length,
        result = {};

    while (++index < length) {
      var path = paths[index],
          value = baseGet$1(object, path);

      if (predicate(value, path)) {
        baseSet(result, castPath$1(path, object), value);
      }
    }
    return result;
  }

  var _basePickBy = basePickBy$1;

  /**
   * The base implementation of `_.hasIn` without support for deep paths.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {Array|string} key The key to check.
   * @returns {boolean} Returns `true` if `key` exists, else `false`.
   */

  function baseHasIn$1(object, key) {
    return object != null && key in Object(object);
  }

  var _baseHasIn = baseHasIn$1;

  var baseGetTag$4 = _baseGetTag,
      isObjectLike$6 = isObjectLike_1;

  /** `Object#toString` result references. */
  var argsTag$2 = '[object Arguments]';

  /**
   * The base implementation of `_.isArguments`.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is an `arguments` object,
   */
  function baseIsArguments$1(value) {
    return isObjectLike$6(value) && baseGetTag$4(value) == argsTag$2;
  }

  var _baseIsArguments = baseIsArguments$1;

  var baseIsArguments = _baseIsArguments,
      isObjectLike$5 = isObjectLike_1;

  /** Used for built-in method references. */
  var objectProto$7 = Object.prototype;

  /** Used to check objects for own properties. */
  var hasOwnProperty$6 = objectProto$7.hasOwnProperty;

  /** Built-in value references. */
  var propertyIsEnumerable$1 = objectProto$7.propertyIsEnumerable;

  /**
   * Checks if `value` is likely an `arguments` object.
   *
   * @static
   * @memberOf _
   * @since 0.1.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is an `arguments` object,
   *  else `false`.
   * @example
   *
   * _.isArguments(function() { return arguments; }());
   * // => true
   *
   * _.isArguments([1, 2, 3]);
   * // => false
   */
  var isArguments$4 = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
    return isObjectLike$5(value) && hasOwnProperty$6.call(value, 'callee') &&
      !propertyIsEnumerable$1.call(value, 'callee');
  };

  var isArguments_1 = isArguments$4;

  /** Used as references for various `Number` constants. */

  var MAX_SAFE_INTEGER = 9007199254740991;

  /**
   * Checks if `value` is a valid array-like length.
   *
   * **Note:** This method is loosely based on
   * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Lang
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
   * @example
   *
   * _.isLength(3);
   * // => true
   *
   * _.isLength(Number.MIN_VALUE);
   * // => false
   *
   * _.isLength(Infinity);
   * // => false
   *
   * _.isLength('3');
   * // => false
   */
  function isLength$3(value) {
    return typeof value == 'number' &&
      value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
  }

  var isLength_1 = isLength$3;

  var castPath = _castPath,
      isArguments$3 = isArguments_1,
      isArray$8 = isArray_1,
      isIndex$1 = _isIndex,
      isLength$2 = isLength_1,
      toKey = _toKey;

  /**
   * Checks if `path` exists on `object`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array|string} path The path to check.
   * @param {Function} hasFunc The function to check properties.
   * @returns {boolean} Returns `true` if `path` exists, else `false`.
   */
  function hasPath$1(object, path, hasFunc) {
    path = castPath(path, object);

    var index = -1,
        length = path.length,
        result = false;

    while (++index < length) {
      var key = toKey(path[index]);
      if (!(result = object != null && hasFunc(object, key))) {
        break;
      }
      object = object[key];
    }
    if (result || ++index != length) {
      return result;
    }
    length = object == null ? 0 : object.length;
    return !!length && isLength$2(length) && isIndex$1(key, length) &&
      (isArray$8(object) || isArguments$3(object));
  }

  var _hasPath = hasPath$1;

  var baseHasIn = _baseHasIn,
      hasPath = _hasPath;

  /**
   * Checks if `path` is a direct or inherited property of `object`.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Object
   * @param {Object} object The object to query.
   * @param {Array|string} path The path to check.
   * @returns {boolean} Returns `true` if `path` exists, else `false`.
   * @example
   *
   * var object = _.create({ 'a': _.create({ 'b': 2 }) });
   *
   * _.hasIn(object, 'a');
   * // => true
   *
   * _.hasIn(object, 'a.b');
   * // => true
   *
   * _.hasIn(object, ['a', 'b']);
   * // => true
   *
   * _.hasIn(object, 'b');
   * // => false
   */
  function hasIn$1(object, path) {
    return object != null && hasPath(object, path, baseHasIn);
  }

  var hasIn_1 = hasIn$1;

  var basePickBy = _basePickBy,
      hasIn = hasIn_1;

  /**
   * The base implementation of `_.pick` without support for individual
   * property identifiers.
   *
   * @private
   * @param {Object} object The source object.
   * @param {string[]} paths The property paths to pick.
   * @returns {Object} Returns the new object.
   */
  function basePick$1(object, paths) {
    return basePickBy(object, paths, function(value, path) {
      return hasIn(object, path);
    });
  }

  var _basePick = basePick$1;

  /**
   * Appends the elements of `values` to `array`.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {Array} values The values to append.
   * @returns {Array} Returns `array`.
   */

  function arrayPush$4(array, values) {
    var index = -1,
        length = values.length,
        offset = array.length;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  var _arrayPush = arrayPush$4;

  var Symbol$2 = _Symbol,
      isArguments$2 = isArguments_1,
      isArray$7 = isArray_1;

  /** Built-in value references. */
  var spreadableSymbol = Symbol$2 ? Symbol$2.isConcatSpreadable : undefined;

  /**
   * Checks if `value` is a flattenable `arguments` object or array.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
   */
  function isFlattenable$1(value) {
    return isArray$7(value) || isArguments$2(value) ||
      !!(spreadableSymbol && value && value[spreadableSymbol]);
  }

  var _isFlattenable = isFlattenable$1;

  var arrayPush$3 = _arrayPush,
      isFlattenable = _isFlattenable;

  /**
   * The base implementation of `_.flatten` with support for restricting flattening.
   *
   * @private
   * @param {Array} array The array to flatten.
   * @param {number} depth The maximum recursion depth.
   * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
   * @par