bootstrap-table/dist/extensions/multiple-sort/bootstrap-table-multiple-sort.js

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('jquery')) :
  typeof define === 'function' && define.amd ? define(['jquery'], factory) :
  (global = global || self, factory(global.jQuery));
}(this, function ($) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;

  var toString = {}.toString;

  var classofRaw = function (it) {
    return toString.call(it).slice(8, -1);
  };

  // `IsArray` abstract operation
  // https://tc39.github.io/ecma262/#sec-isarray
  var isArray = Array.isArray || function isArray(arg) {
    return classofRaw(arg) == 'Array';
  };

  var isObject = function (it) {
    return typeof it === 'object' ? it !== null : typeof it === 'function';
  };

  // `RequireObjectCoercible` abstract operation
  // https://tc39.github.io/ecma262/#sec-requireobjectcoercible
  var requireObjectCoercible = function (it) {
    if (it == undefined) throw TypeError("Can't call method on " + it);
    return it;
  };

  // `ToObject` abstract operation
  // https://tc39.github.io/ecma262/#sec-toobject
  var toObject = function (argument) {
    return Object(requireObjectCoercible(argument));
  };

  var ceil = Math.ceil;
  var floor = Math.floor;

  // `ToInteger` abstract operation
  // https://tc39.github.io/ecma262/#sec-tointeger
  var toInteger = function (argument) {
    return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
  };

  var min = Math.min;

  // `ToLength` abstract operation
  // https://tc39.github.io/ecma262/#sec-tolength
  var toLength = function (argument) {
    return argument > 0 ? min(toInteger(argument), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
  };

  // 7.1.1 ToPrimitive(input [, PreferredType])

  // instead of the ES6 spec version, we didn't implement @@toPrimitive case
  // and the second argument - flag - preferred type is a string
  var toPrimitive = function (it, S) {
    if (!isObject(it)) return it;
    var fn, val;
    if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
    if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    throw TypeError("Can't convert object to primitive value");
  };

  var fails = function (exec) {
    try {
      return !!exec();
    } catch (e) {
      return true;
    }
  };

  // Thank's IE8 for his funny defineProperty
  var descriptors = !fails(function () {
    return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
  });

  // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
  var global = typeof window == 'object' && window && window.Math == Math ? window
    : typeof self == 'object' && self && self.Math == Math ? self
    // eslint-disable-next-line no-new-func
    : Function('return this')();

  var document = global.document;
  // typeof document.createElement is 'object' in old IE
  var exist = isObject(document) && isObject(document.createElement);

  var documentCreateElement = function (it) {
    return exist ? document.createElement(it) : {};
  };

  // Thank's IE8 for his funny defineProperty
  var ie8DomDefine = !descriptors && !fails(function () {
    return Object.defineProperty(documentCreateElement('div'), 'a', {
      get: function () { return 7; }
    }).a != 7;
  });

  var anObject = function (it) {
    if (!isObject(it)) {
      throw TypeError(String(it) + ' is not an object');
    } return it;
  };

  var nativeDefineProperty = Object.defineProperty;

  var f = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPrimitive(P, true);
    anObject(Attributes);
    if (ie8DomDefine) try {
      return nativeDefineProperty(O, P, Attributes);
    } catch (e) { /* empty */ }
    if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };

  var objectDefineProperty = {
  	f: f
  };

  var createPropertyDescriptor = function (bitmap, value) {
    return {
      enumerable: !(bitmap & 1),
      configurable: !(bitmap & 2),
      writable: !(bitmap & 4),
      value: value
    };
  };

  var createProperty = function (object, key, value) {
    var propertyKey = toPrimitive(key);
    if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
    else object[propertyKey] = value;
  };

  function createCommonjsModule(fn, module) {
  	return module = { exports: {} }, fn(module, module.exports), module.exports;
  }

  var hide = descriptors ? function (object, key, value) {
    return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
  } : function (object, key, value) {
    object[key] = value;
    return object;
  };

  var setGlobal = function (key, value) {
    try {
      hide(global, key, value);
    } catch (e) {
      global[key] = value;
    } return value;
  };

  var shared = createCommonjsModule(function (module) {
  var SHARED = '__core-js_shared__';
  var store = global[SHARED] || setGlobal(SHARED, {});

  (module.exports = function (key, value) {
    return store[key] || (store[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: '3.0.0',
    mode: 'global',
    copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
  });
  });

  var id = 0;
  var postfix = Math.random();

  var uid = function (key) {
    return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + postfix).toString(36));
  };

  // Chrome 38 Symbol has incorrect toString conversion
  var nativeSymbol = !fails(function () {
  });

  var store = shared('wks');

  var Symbol$1 = global.Symbol;


  var wellKnownSymbol = function (name) {
    return store[name] || (store[name] = nativeSymbol && Symbol$1[name]
      || (nativeSymbol ? Symbol$1 : uid)('Symbol.' + name));
  };

  var SPECIES = wellKnownSymbol('species');

  // `ArraySpeciesCreate` abstract operation
  // https://tc39.github.io/ecma262/#sec-arrayspeciescreate
  var arraySpeciesCreate = function (originalArray, length) {
    var C;
    if (isArray(originalArray)) {
      C = originalArray.constructor;
      // cross-realm fallback
      if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
      else if (isObject(C)) {
        C = C[SPECIES];
        if (C === null) C = undefined;
      }
    } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
  };

  var SPECIES$1 = wellKnownSymbol('species');

  var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
    return !fails(function () {
      var array = [];
      var constructor = array.constructor = {};
      constructor[SPECIES$1] = function () {
        return { foo: 1 };
      };
      return array[METHOD_NAME](Boolean).foo !== 1;
    });
  };

  var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
  var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

  // Nashorn ~ JDK8 bug
  var NASHORN_BUG = nativeGetOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);

  var f$1 = NASHORN_BUG ? function propertyIsEnumerable(V) {
    var descriptor = nativeGetOwnPropertyDescriptor(this, V);
    return !!descriptor && descriptor.enumerable;
  } : nativePropertyIsEnumerable;

  var objectPropertyIsEnumerable = {
  	f: f$1
  };

  // fallback for non-array-like ES3 and non-enumerable old V8 strings


  var split = ''.split;

  var indexedObject = fails(function () {
    // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
    // eslint-disable-next-line no-prototype-builtins
    return !Object('z').propertyIsEnumerable(0);
  }) ? function (it) {
    return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
  } : Object;

  // toObject with fallback for non-array-like ES3 strings



  var toIndexedObject = function (it) {
    return indexedObject(requireObjectCoercible(it));
  };

  var hasOwnProperty = {}.hasOwnProperty;

  var has = function (it, key) {
    return hasOwnProperty.call(it, key);
  };

  var nativeGetOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;

  var f$2 = descriptors ? nativeGetOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
    O = toIndexedObject(O);
    P = toPrimitive(P, true);
    if (ie8DomDefine) try {
      return nativeGetOwnPropertyDescriptor$1(O, P);
    } catch (e) { /* empty */ }
    if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
  };

  var objectGetOwnPropertyDescriptor = {
  	f: f$2
  };

  var functionToString = shared('native-function-to-string', Function.toString);

  var WeakMap = global.WeakMap;

  var nativeWeakMap = typeof WeakMap === 'function' && /native code/.test(functionToString.call(WeakMap));

  var shared$1 = shared('keys');


  var sharedKey = function (key) {
    return shared$1[key] || (shared$1[key] = uid(key));
  };

  var hiddenKeys = {};

  var WeakMap$1 = global.WeakMap;
  var set, get, has$1;

  var enforce = function (it) {
    return has$1(it) ? get(it) : set(it, {});
  };

  var getterFor = function (TYPE) {
    return function (it) {
      var state;
      if (!isObject(it) || (state = get(it)).type !== TYPE) {
        throw TypeError('Incompatible receiver, ' + TYPE + ' required');
      } return state;
    };
  };

  if (nativeWeakMap) {
    var store$1 = new WeakMap$1();
    var wmget = store$1.get;
    var wmhas = store$1.has;
    var wmset = store$1.set;
    set = function (it, metadata) {
      wmset.call(store$1, it, metadata);
      return metadata;
    };
    get = function (it) {
      return wmget.call(store$1, it) || {};
    };
    has$1 = function (it) {
      return wmhas.call(store$1, it);
    };
  } else {
    var STATE = sharedKey('state');
    hiddenKeys[STATE] = true;
    set = function (it, metadata) {
      hide(it, STATE, metadata);
      return metadata;
    };
    get = function (it) {
      return has(it, STATE) ? it[STATE] : {};
    };
    has$1 = function (it) {
      return has(it, STATE);
    };
  }

  var internalState = {
    set: set,
    get: get,
    has: has$1,
    enforce: enforce,
    getterFor: getterFor
  };

  var redefine = createCommonjsModule(function (module) {
  var getInternalState = internalState.get;
  var enforceInternalState = internalState.enforce;
  var TEMPLATE = String(functionToString).split('toString');

  shared('inspectSource', function (it) {
    return functionToString.call(it);
  });

  (module.exports = function (O, key, value, options) {
    var unsafe = options ? !!options.unsafe : false;
    var simple = options ? !!options.enumerable : false;
    var noTargetGet = options ? !!options.noTargetGet : false;
    if (typeof value == 'function') {
      if (typeof key == 'string' && !has(value, 'name')) hide(value, 'name', key);
      enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
    }
    if (O === global) {
      if (simple) O[key] = value;
      else setGlobal(key, value);
      return;
    } else if (!unsafe) {
      delete O[key];
    } else if (!noTargetGet && O[key]) {
      simple = true;
    }
    if (simple) O[key] = value;
    else hide(O, key, value);
  // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
  })(Function.prototype, 'toString', function toString() {
    return typeof this == 'function' && getInternalState(this).source || functionToString.call(this);
  });
  });

  var max = Math.max;
  var min$1 = Math.min;

  // Helper for a popular repeating case of the spec:
  // Let integer be ? ToInteger(index).
  // If integer < 0, let result be max((length + integer), 0); else let result be min(length, length).
  var toAbsoluteIndex = function (index, length) {
    var integer = toInteger(index);
    return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
  };

  // `Array.prototype.{ indexOf, includes }` methods implementation
  // false -> Array#indexOf
  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
  // true  -> Array#includes
  // https://tc39.github.io/ecma262/#sec-array.prototype.includes
  var arrayIncludes = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIndexedObject($this);
      var length = toLength(O.length);
      var index = toAbsoluteIndex(fromIndex, length);
      var value;
      // Array#includes uses SameValueZero equality algorithm
      // eslint-disable-next-line no-self-compare
      if (IS_INCLUDES && el != el) while (length > index) {
        value = O[index++];
        // eslint-disable-next-line no-self-compare
        if (value != value) return true;
      // Array#indexOf ignores holes, Array#includes - not
      } else for (;length > index; index++) if (IS_INCLUDES || index in O) {
        if (O[index] === el) return IS_INCLUDES || index || 0;
      } return !IS_INCLUDES && -1;
    };
  };

  var arrayIndexOf = arrayIncludes(false);


  var objectKeysInternal = function (object, names) {
    var O = toIndexedObject(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
    // Don't enum bug & hidden keys
    while (names.length > i) if (has(O, key = names[i++])) {
      ~arrayIndexOf(result, key) || result.push(key);
    }
    return result;
  };

  // IE8- don't enum bug keys
  var enumBugKeys = [
    'constructor',
    'hasOwnProperty',
    'isPrototypeOf',
    'propertyIsEnumerable',
    'toLocaleString',
    'toString',
    'valueOf'
  ];

  // 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

  var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype');

  var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
    return objectKeysInternal(O, hiddenKeys$1);
  };

  var objectGetOwnPropertyNames = {
  	f: f$3
  };

  var f$4 = Object.getOwnPropertySymbols;

  var objectGetOwnPropertySymbols = {
  	f: f$4
  };

  var Reflect = global.Reflect;

  // all object keys, includes non-enumerable and symbols
  var ownKeys = Reflect && Reflect.ownKeys || function ownKeys(it) {
    var keys = objectGetOwnPropertyNames.f(anObject(it));
    var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
    return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
  };

  var copyConstructorProperties = function (target, source) {
    var keys = ownKeys(source);
    var defineProperty = objectDefineProperty.f;
    var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
    }
  };

  var replacement = /#|\.prototype\./;

  var isForced = function (feature, detection) {
    var value = data[normalize(feature)];
    return value == POLYFILL ? true
      : value == NATIVE ? false
      : typeof detection == 'function' ? fails(detection)
      : !!detection;
  };

  var normalize = isForced.normalize = function (string) {
    return String(string).replace(replacement, '.').toLowerCase();
  };

  var data = isForced.data = {};
  var NATIVE = isForced.NATIVE = 'N';
  var POLYFILL = isForced.POLYFILL = 'P';

  var isForced_1 = isForced;

  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;






  /*
    options.target      - name of the target object
    options.global      - target is the global object
    options.stat        - export as static methods of target
    options.proto       - export as prototype methods of target
    options.real        - real prototype method for the `pure` version
    options.forced      - export even if the native feature is available
    options.bind        - bind methods to the target, required for the `pure` version
    options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
    options.unsafe      - use the simple assignment of property instead of delete + defineProperty
    options.sham        - add a flag to not completely full polyfills
    options.enumerable  - export as enumerable property
    options.noTargetGet - prevent calling a getter on target
  */
  var _export = function (options, source) {
    var TARGET = options.target;
    var GLOBAL = options.global;
    var STATIC = options.stat;
    var FORCED, target, key, targetProperty, sourceProperty, descriptor;
    if (GLOBAL) {
      target = global;
    } else if (STATIC) {
      target = global[TARGET] || setGlobal(TARGET, {});
    } else {
      target = (global[TARGET] || {}).prototype;
    }
    if (target) for (key in source) {
      sourceProperty = source[key];
      if (options.noTargetGet) {
        descriptor = getOwnPropertyDescriptor(target, key);
        targetProperty = descriptor && descriptor.value;
      } else targetProperty = target[key];
      FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
      // contained in target
      if (!FORCED && targetProperty !== undefined) {
        if (typeof sourceProperty === typeof targetProperty) continue;
        copyConstructorProperties(sourceProperty, targetProperty);
      }
      // add a flag to not completely full polyfills
      if (options.sham || (targetProperty && targetProperty.sham)) {
        hide(sourceProperty, 'sham', true);
      }
      // extend global
      redefine(target, key, sourceProperty, options);
    }
  };

  var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
  var MAX_SAFE_INTEGER = 0x1fffffffffffff;
  var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';

  var IS_CONCAT_SPREADABLE_SUPPORT = !fails(function () {
    var array = [];
    array[IS_CONCAT_SPREADABLE] = false;
    return array.concat()[0] !== array;
  });

  var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

  var isConcatSpreadable = function (O) {
    if (!isObject(O)) return false;
    var spreadable = O[IS_CONCAT_SPREADABLE];
    return spreadable !== undefined ? !!spreadable : isArray(O);
  };

  var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;

  // `Array.prototype.concat` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.concat
  // with adding support of @@isConcatSpreadable and @@species
  _export({ target: 'Array', proto: true, forced: FORCED }, {
    concat: function concat(arg) { // eslint-disable-line no-unused-vars
      var O = toObject(this);
      var A = arraySpeciesCreate(O, 0);
      var n = 0;
      var i, k, length, len, E;
      for (i = -1, length = arguments.length; i < length; i++) {
        E = i === -1 ? O : arguments[i];
        if (isConcatSpreadable(E)) {
          len = toLength(E.length);
          if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
          for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
        } else {
          if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
          createProperty(A, n++, E);
        }
      }
      A.length = n;
      return A;
    }
  });

  var aFunction = function (it) {
    if (typeof it != 'function') {
      throw TypeError(String(it) + ' is not a function');
    } return it;
  };

  // optional / simple context binding
  var bindContext = function (fn, that, length) {
    aFunction(fn);
    if (that === undefined) return fn;
    switch (length) {
      case 0: return function () {
        return fn.call(that);
      };
      case 1: return function (a) {
        return fn.call(that, a);
      };
      case 2: return function (a, b) {
        return fn.call(that, a, b);
      };
      case 3: return function (a, b, c) {
        return fn.call(that, a, b, c);
      };
    }
    return function (/* ...args */) {
      return fn.apply(that, arguments);
    };
  };

  // `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
  // 0 -> Array#forEach
  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
  // 1 -> Array#map
  // https://tc39.github.io/ecma262/#sec-array.prototype.map
  // 2 -> Array#filter
  // https://tc39.github.io/ecma262/#sec-array.prototype.filter
  // 3 -> Array#some
  // https://tc39.github.io/ecma262/#sec-array.prototype.some
  // 4 -> Array#every
  // https://tc39.github.io/ecma262/#sec-array.prototype.every
  // 5 -> Array#find
  // https://tc39.github.io/ecma262/#sec-array.prototype.find
  // 6 -> Array#findIndex
  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
  var arrayMethods = function (TYPE, specificCreate) {
    var IS_MAP = TYPE == 1;
    var IS_FILTER = TYPE == 2;
    var IS_SOME = TYPE == 3;
    var IS_EVERY = TYPE == 4;
    var IS_FIND_INDEX = TYPE == 6;
    var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
    var create = specificCreate || arraySpeciesCreate;
    return function ($this, callbackfn, that) {
      var O = toObject($this);
      var self = indexedObject(O);
      var boundFunction = bindContext(callbackfn, that, 3);
      var length = toLength(self.length);
      var index = 0;
      var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
      var value, result;
      for (;length > index; index++) if (NO_HOLES || index in self) {
        value = self[index];
        result = boundFunction(value, index, O);
        if (TYPE) {
          if (IS_MAP) target[index] = result; // map
          else if (result) switch (TYPE) {
            case 3: return true;              // some
            case 5: return value;             // find
            case 6: return index;             // findIndex
            case 2: target.push(value);       // filter
          } else if (IS_EVERY) return false;  // every
        }
      }
      return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
    };
  };

  // 19.1.2.14 / 15.2.3.14 Object.keys(O)



  var objectKeys = Object.keys || function keys(O) {
    return objectKeysInternal(O, enumBugKeys);
  };

  var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject(O);
    var keys = objectKeys(Properties);
    var length = keys.length;
    var i = 0;
    var key;
    while (length > i) objectDefineProperty.f(O, key = keys[i++], Properties[key]);
    return O;
  };

  var document$1 = global.document;

  var html = document$1 && document$1.documentElement;

  // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])





  var IE_PROTO = sharedKey('IE_PROTO');
  var PROTOTYPE = 'prototype';
  var Empty = function () { /* empty */ };

  // Create object with fake `null` prototype: use iframe Object with cleared prototype
  var createDict = function () {
    // Thrash, waste and sodomy: IE GC bug
    var iframe = documentCreateElement('iframe');
    var length = enumBugKeys.length;
    var lt = '<';
    var script = 'script';
    var gt = '>';
    var js = 'java' + script + ':';
    var iframeDocument;
    iframe.style.display = 'none';
    html.appendChild(iframe);
    iframe.src = String(js);
    iframeDocument = iframe.contentWindow.document;
    iframeDocument.open();
    iframeDocument.write(lt + script + gt + 'document.F=Object' + lt + '/' + script + gt);
    iframeDocument.close();
    createDict = iframeDocument.F;
    while (length--) delete createDict[PROTOTYPE][enumBugKeys[length]];
    return createDict();
  };

  var objectCreate = Object.create || function create(O, Properties) {
    var result;
    if (O !== null) {
      Empty[PROTOTYPE] = anObject(O);
      result = new Empty();
      Empty[PROTOTYPE] = null;
      // add "__proto__" for Object.getPrototypeOf polyfill
      result[IE_PROTO] = O;
    } else result = createDict();
    return Properties === undefined ? result : objectDefineProperties(result, Properties);
  };

  hiddenKeys[IE_PROTO] = true;

  var UNSCOPABLES = wellKnownSymbol('unscopables');


  var ArrayPrototype = Array.prototype;

  // Array.prototype[@@unscopables]
  // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
  if (ArrayPrototype[UNSCOPABLES] == undefined) {
    hide(ArrayPrototype, UNSCOPABLES, objectCreate(null));
  }

  // add a key to Array.prototype[@@unscopables]
  var addToUnscopables = function (key) {
    ArrayPrototype[UNSCOPABLES][key] = true;
  };

  var internalFind = arrayMethods(5);
  var FIND = 'find';
  var SKIPS_HOLES = true;

  // Shouldn't skip holes
  if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });

  // `Array.prototype.find` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.find
  _export({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
    find: function find(callbackfn /* , that = undefined */) {
      return internalFind(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
    }
  });

  // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
  addToUnscopables(FIND);

  var sloppyArrayMethod = function (METHOD_NAME, argument) {
    var method = [][METHOD_NAME];
    return !method || !fails(function () {
      // eslint-disable-next-line no-useless-call
      method.call(null, argument || function () { throw Error(); }, 1);
    });
  };

  var nativeJoin = [].join;

  var ES3_STRINGS = indexedObject != Object;
  var SLOPPY_METHOD = sloppyArrayMethod('join', ',');

  // `Array.prototype.join` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.join
  _export({ target: 'Array', proto: true, forced: ES3_STRINGS || SLOPPY_METHOD }, {
    join: function join(separator) {
      return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
    }
  });

  var internalMap = arrayMethods(1);

  var SPECIES_SUPPORT$1 = arrayMethodHasSpeciesSupport('map');

  // `Array.prototype.map` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.map
  // with adding support of @@species
  _export({ target: 'Array', proto: true, forced: !SPECIES_SUPPORT$1 }, {
    map: function map(callbackfn /* , thisArg */) {
      return internalMap(this, callbackfn, arguments[1]);
    }
  });

  var SPECIES$2 = wellKnownSymbol('species');
  var nativeSlice = [].slice;
  var max$1 = Math.max;

  var SPECIES_SUPPORT$2 = arrayMethodHasSpeciesSupport('slice');

  // `Array.prototype.slice` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.slice
  // fallback for not array-like ES3 strings and DOM objects
  _export({ target: 'Array', proto: true, forced: !SPECIES_SUPPORT$2 }, {
    slice: function slice(start, end) {
      var O = toIndexedObject(this);
      var length = toLength(O.length);
      var k = toAbsoluteIndex(start, length);
      var fin = toAbsoluteIndex(end === undefined ? length : end, length);
      // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
      var Constructor, result, n;
      if (isArray(O)) {
        Constructor = O.constructor;
        // cross-realm fallback
        if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
          Constructor = undefined;
        } else if (isObject(Constructor)) {
          Constructor = Constructor[SPECIES$2];
          if (Constructor === null) Constructor = undefined;
        }
        if (Constructor === Array || Constructor === undefined) {
          return nativeSlice.call(O, k, fin);
        }
      }
      result = new (Constructor === undefined ? Array : Constructor)(max$1(fin - k, 0));
      for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
      result.length = n;
      return result;
    }
  });

  var nativeSort = [].sort;
  var test = [1, 2, 3];

  // IE8-
  var FAILS_ON_UNDEFINED = fails(function () {
    test.sort(undefined);
  });
  // V8 bug
  var FAILS_ON_NULL = fails(function () {
    test.sort(null);
  });
  // Old WebKit
  var SLOPPY_METHOD$1 = sloppyArrayMethod('sort');

  var FORCED$1 = FAILS_ON_UNDEFINED || !FAILS_ON_NULL || SLOPPY_METHOD$1;

  // `Array.prototype.sort` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.sort
  _export({ target: 'Array', proto: true, forced: FORCED$1 }, {
    sort: function sort(comparefn) {
      return comparefn === undefined
        ? nativeSort.call(toObject(this))
        : nativeSort.call(toObject(this), aFunction(comparefn));
    }
  });

  var max$2 = Math.max;
  var min$2 = Math.min;
  var MAX_SAFE_INTEGER$1 = 0x1fffffffffffff;
  var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';

  var SPECIES_SUPPORT$3 = arrayMethodHasSpeciesSupport('splice');

  // `Array.prototype.splice` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.splice
  // with adding support of @@species
  _export({ target: 'Array', proto: true, forced: !SPECIES_SUPPORT$3 }, {
    splice: function splice(start, deleteCount /* , ...items */) {
      var O = toObject(this);
      var len = toLength(O.length);
      var actualStart = toAbsoluteIndex(start, len);
      var argumentsLength = arguments.length;
      var insertCount, actualDeleteCount, A, k, from, to;
      if (argumentsLength === 0) {
        insertCount = actualDeleteCount = 0;
      } else if (argumentsLength === 1) {
        insertCount = 0;
        actualDeleteCount = len - actualStart;
      } else {
        insertCount = argumentsLength - 2;
        actualDeleteCount = min$2(max$2(toInteger(deleteCount), 0), len - actualStart);
      }
      if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER$1) {
        throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
      }
      A = arraySpeciesCreate(O, actualDeleteCount);
      for (k = 0; k < actualDeleteCount; k++) {
        from = actualStart + k;
        if (from in O) createProperty(A, k, O[from]);
      }
      A.length = actualDeleteCount;
      if (insertCount < actualDeleteCount) {
        for (k = actualStart; k < len - actualDeleteCount; k++) {
          from = k + actualDeleteCount;
          to = k + insertCount;
          if (from in O) O[to] = O[from];
          else delete O[to];
        }
        for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
      } else if (insertCount > actualDeleteCount) {
        for (k = len - actualDeleteCount; k > actualStart; k--) {
          from = k + actualDeleteCount - 1;
          to = k + insertCount - 1;
          if (from in O) O[to] = O[from];
          else delete O[to];
        }
      }
      for (k = 0; k < insertCount; k++) {
        O[k + actualStart] = arguments[k + 2];
      }
      O.length = len - actualDeleteCount + insertCount;
      return A;
    }
  });

  var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  // ES3 wrong here
  var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

  // fallback for IE11 Script Access Denied error
  var tryGet = function (it, key) {
    try {
      return it[key];
    } catch (e) { /* empty */ }
  };

  // getting tag from ES6+ `Object.prototype.toString`
  var classof = function (it) {
    var O, tag, result;
    return it === undefined ? 'Undefined' : it === null ? 'Null'
      // @@toStringTag case
      : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag
      // builtinTag case
      : CORRECT_ARGUMENTS ? classofRaw(O)
      // ES3 arguments fallback
      : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
  };

  var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
  var test$1 = {};

  test$1[TO_STRING_TAG$1] = 'z';

  // `Object.prototype.toString` method implementation
  // https://tc39.github.io/ecma262/#sec-object.prototype.tostring
  var objectToString = String(test$1) !== '[object z]' ? function toString() {
    return '[object ' + classof(this) + ']';
  } : test$1.toString;

  var ObjectPrototype = Object.prototype;

  // `Object.prototype.toString` method
  // https://tc39.github.io/ecma262/#sec-object.prototype.tostring
  if (objectToString !== ObjectPrototype.toString) {
    redefine(ObjectPrototype, 'toString', objectToString, { unsafe: true });
  }

  // a string of all valid unicode whitespaces
  // eslint-disable-next-line max-len
  var whitespaces = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

  var whitespace = '[' + whitespaces + ']';
  var ltrim = RegExp('^' + whitespace + whitespace + '*');
  var rtrim = RegExp(whitespace + whitespace + '*$');

  // 1 -> String#trimStart
  // 2 -> String#trimEnd
  // 3 -> String#trim
  var stringTrim = function (string, TYPE) {
    string = String(requireObjectCoercible(string));
    if (TYPE & 1) string = string.replace(ltrim, '');
    if (TYPE & 2) string = string.replace(rtrim, '');
    return string;
  };

  var nativeParseFloat = global.parseFloat;


  var FORCED$2 = 1 / nativeParseFloat(whitespaces + '-0') !== -Infinity;

  var _parseFloat = FORCED$2 ? function parseFloat(str) {
    var string = stringTrim(String(str), 3);
    var result = nativeParseFloat(string);
    return result === 0 && string.charAt(0) == '-' ? -0 : result;
  } : nativeParseFloat;

  // `parseFloat` method
  // https://tc39.github.io/ecma262/#sec-parsefloat-string
  _export({ global: true, forced: parseFloat != _parseFloat }, {
    parseFloat: _parseFloat
  });

  // `RegExp.prototype.flags` getter implementation
  // https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
  var regexpFlags = function () {
    var that = anObject(this);
    var result = '';
    if (that.global) result += 'g';
    if (that.ignoreCase) result += 'i';
    if (that.multiline) result += 'm';
    if (that.unicode) result += 'u';
    if (that.sticky) result += 'y';
    return result;
  };

  var TO_STRING = 'toString';
  var nativeToString = /./[TO_STRING];

  var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });
  // FF44- RegExp#toString has a wrong name
  var INCORRECT_NAME = nativeToString.name != TO_STRING;

  // `RegExp.prototype.toString` method
  // https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring
  if (NOT_GENERIC || INCORRECT_NAME) {
    redefine(RegExp.prototype, TO_STRING, function toString() {
      var R = anObject(this);
      return '/'.concat(R.source, '/',
        'flags' in R ? R.flags : !descriptors && R instanceof RegExp ? regexpFlags.call(R) : undefined);
    }, { unsafe: true });
  }

  var MATCH = wellKnownSymbol('match');

  // `IsRegExp` abstract operation
  // https://tc39.github.io/ecma262/#sec-isregexp
  var isRegexp = function (it) {
    var isRegExp;
    return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classofRaw(it) == 'RegExp');
  };

  var SPECIES$3 = wellKnownSymbol('species');

  // `SpeciesConstructor` abstract operation
  // https://tc39.github.io/ecma262/#sec-speciesconstructor
  var speciesConstructor = function (O, defaultConstructor) {
    var C = anObject(O).constructor;
    var S;
    return C === undefined || (S = anObject(C)[SPECIES$3]) == undefined ? defaultConstructor : aFunction(S);
  };

  // CONVERT_TO_STRING: true  -> String#at
  // CONVERT_TO_STRING: false -> String#codePointAt
  var stringAt = function (that, pos, CONVERT_TO_STRING) {
    var S = String(requireObjectCoercible(that));
    var position = toInteger(pos);
    var size = S.length;
    var first, second;
    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
    first = S.charCodeAt(position);
    return first < 0xd800 || first > 0xdbff || position + 1 === size
      || (second = S.charCodeAt(position + 1)) < 0xdc00 || second > 0xdfff
        ? CONVERT_TO_STRING ? S.charAt(position) : first
        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xd800 << 10) + (second - 0xdc00) + 0x10000;
  };

  // `AdvanceStringIndex` abstract operation
  // https://tc39.github.io/ecma262/#sec-advancestringindex
  var advanceStringIndex = function (S, index, unicode) {
    return index + (unicode ? stringAt(S, index, true).length : 1);
  };

  var nativeExec = RegExp.prototype.exec;
  // This always refers to the native implementation, because the
  // String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
  // which loads this file before patching the method.
  var nativeReplace = String.prototype.replace;

  var patchedExec = nativeExec;

  var UPDATES_LAST_INDEX_WRONG = (function () {
    var re1 = /a/;
    var re2 = /b*/g;
    nativeExec.call(re1, 'a');
    nativeExec.call(re2, 'a');
    return re1.lastIndex !== 0 || re2.lastIndex !== 0;
  })();

  // nonparticipating capturing group, copied from es5-shim's String#split patch.
  var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;

  var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;

  if (PATCH) {
    patchedExec = function exec(str) {
      var re = this;
      var lastIndex, reCopy, match, i;

      if (NPCG_INCLUDED) {
        reCopy = new RegExp('^' + re.source + '$(?!\\s)', regexpFlags.call(re));
      }
      if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;

      match = nativeExec.call(re, str);

      if (UPDATES_LAST_INDEX_WRONG && match) {
        re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
      }
      if (NPCG_INCLUDED && match && match.length > 1) {
        // Fix browsers whose `exec` methods don't consistently return `undefined`
        // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
        nativeReplace.call(match[0], reCopy, function () {
          for (i = 1; i < arguments.length - 2; i++) {
            if (arguments[i] === undefined) match[i] = undefined;
          }
        });
      }

      return match;
    };
  }

  var regexpExec = patchedExec;

  // `RegExpExec` abstract operation
  // https://tc39.github.io/ecma262/#sec-regexpexec
  var regexpExecAbstract = function (R, S) {
    var exec = R.exec;
    if (typeof exec === 'function') {
      var result = exec.call(R, S);
      if (typeof result !== 'object') {
        throw TypeError('RegExp exec method returned something other than an Object or null');
      }
      return result;
    }

    if (classofRaw(R) !== 'RegExp') {
      throw TypeError('RegExp#exec called on incompatible receiver');
    }

    return regexpExec.call(R, S);
  };

  var SPECIES$4 = wellKnownSymbol('species');

  var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
    // #replace needs built-in support for named groups.
    // #match works fine because it just return the exec results, even if it has
    // a "grops" property.
    var re = /./;
    re.exec = function () {
      var result = [];
      result.groups = { a: '7' };
      return result;
    };
    return ''.replace(re, '$<a>') !== '7';
  });

  // Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
  // Weex JS has frozen built-in prototypes, so use try / catch wrapper
  var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
    var re = /(?:)/;
    var originalExec = re.exec;
    re.exec = function () { return originalExec.apply(this, arguments); };
    var result = 'ab'.split(re);
    return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
  });

  var fixRegexpWellKnownSymbolLogic = function (KEY, length, exec, sham) {
    var SYMBOL = wellKnownSymbol(KEY);

    var DELEGATES_TO_SYMBOL = !fails(function () {
      // String methods call symbol-named RegEp methods
      var O = {};
      O[SYMBOL] = function () { return 7; };
      return ''[KEY](O) != 7;
    });

    var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails(function () {
      // Symbol-named RegExp methods call .exec
      var execCalled = false;
      var re = /a/;
      re.exec = function () { execCalled = true; return null; };

      if (KEY === 'split') {
        // RegExp[@@split] doesn't call the regex's exec method, but first creates
        // a new one. We need to return the patched regex when creating the new one.
        re.constructor = {};
        re.constructor[SPECIES$4] = function () { return re; };
      }

      re[SYMBOL]('');
      return !execCalled;
    });

    if (
      !DELEGATES_TO_SYMBOL ||
      !DELEGATES_TO_EXEC ||
      (KEY === 'replace' && !REPLACE_SUPPORTS_NAMED_GROUPS) ||
      (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
    ) {
      var nativeRegExpMethod = /./[SYMBOL];
      var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
        if (regexp.exec === regexpExec) {
          if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
            // The native String method already delegates to @@method (this
            // polyfilled function), leasing to infinite recursion.
            // We avoid it by directly calling the native @@method method.
            return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
          }
          return { done: true, value: nativeMethod.call(str, regexp, arg2) };
        }
        return { done: false };
      });
      var stringMethod = methods[0];
      var regexMethod = methods[1];

      redefine(String.prototype, KEY, stringMethod);
      redefine(RegExp.prototype, SYMBOL, length == 2
        // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
        // 21.2.5.11 RegExp.prototype[@@split](string, limit)
        ? function (string, arg) { return regexMethod.call(string, this, arg); }
        // 21.2.5.6 RegExp.prototype[@@match](string)
        // 21.2.5.9 RegExp.prototype[@@search](string)
        : function (string) { return regexMethod.call(string, this); }
      );
      if (sham) hide(RegExp.prototype[SYMBOL], 'sham', true);
    }
  };

  var arrayPush = [].push;
  var min$3 = Math.min;
  var MAX_UINT32 = 0xffffffff;

  // babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
  var SUPPORTS_Y = !fails(function () { return !RegExp(MAX_UINT32, 'y'); });

  // @@split logic
  fixRegexpWellKnownSymbolLogic(
    'split',
    2,
    function (SPLIT, nativeSplit, maybeCallNative) {
      var internalSplit;
      if (
        'abbc'.split(/(b)*/)[1] == 'c' ||
        'test'.split(/(?:)/, -1).length != 4 ||
        'ab'.split(/(?:ab)*/).length != 2 ||
        '.'.split(/(.?)(.?)/).length != 4 ||
        '.'.split(/()()/).length > 1 ||
        ''.split(/.?/).length
      ) {
        // based on es5-shim implementation, need to rework it
        internalSplit = function (separator, limit) {
          var string = String(requireObjectCoercible(this));
          var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
          if (lim === 0) return [];
          if (separator === undefined) return [string];
          // If `separator` is not a regex, use native split
          if (!isRegexp(separator)) {
            return nativeSplit.call(string, separator, lim);
          }
          var output = [];
          var flags = (separator.ignoreCase ? 'i' : '') +
                      (separator.multiline ? 'm' : '') +
                      (separator.unicode ? 'u' : '') +
                      (separator.sticky ? 'y' : '');
          var lastLastIndex = 0;
          // Make `global` and avoid `lastIndex` issues by working with a copy
          var separatorCopy = new RegExp(separator.source, flags + 'g');
          var match, lastIndex, lastLength;
          while (match = regexpExec.call(separatorCopy, string)) {
            lastIndex = separatorCopy.lastIndex;
            if (lastIndex > lastLastIndex) {
              output.push(string.slice(lastLastIndex, match.index));
              if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
              lastLength = match[0].length;
              lastLastIndex = lastIndex;
              if (output.length >= lim) break;
            }
            if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
          }
          if (lastLastIndex === string.length) {
            if (lastLength || !separatorCopy.test('')) output.push('');
          } else output.push(string.slice(lastLastIndex));
          return output.length > lim ? output.slice(0, lim) : output;
        };
      // Chakra, V8
      } else if ('0'.split(undefined, 0).length) {
        internalSplit = function (separator, limit) {
          return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
        };
      } else internalSplit = nativeSplit;

      return [
        // `String.prototype.split` method
        // https://tc39.github.io/ecma262/#sec-string.prototype.split
        function split(separator, limit) {
          var O = requireObjectCoercible(this);
          var splitter = separator == undefined ? undefined : separator[SPLIT];
          return splitter !== undefined
            ? splitter.call(separator, O, limit)
            : internalSplit.call(String(O), separator, limit);
        },
        // `RegExp.prototype[@@split]` method
        // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
        //
        // NOTE: This cannot be properly polyfilled in engines that don't support
        // the 'y' flag.
        function (regexp, limit) {
          var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
          if (res.done) return res.value;

          var rx = anObject(regexp);
          var S = String(this);
          var C = speciesConstructor(rx, RegExp);

          var unicodeMatching = rx.unicode;
          var flags = (rx.ignoreCase ? 'i' : '') +
                      (rx.multiline ? 'm' : '') +
                      (rx.unicode ? 'u' : '') +
                      (SUPPORTS_Y ? 'y' : 'g');

          // ^(? + rx + ) is needed, in combination with some S slicing, to
          // simulate the 'y' flag.
          var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
          var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
          if (lim === 0) return [];
          if (S.length === 0) return regexpExecAbstract(splitter, S) === null ? [S] : [];
          var p = 0;
          var q = 0;
          var A = [];
          while (q < S.length) {
            splitter.lastIndex = SUPPORTS_Y ? q : 0;
            var z = regexpExecAbstract(splitter, SUPPORTS_Y ? S : S.slice(q));
            var e;
            if (
              z === null ||
              (e = min$3(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
            ) {
              q = advanceStringIndex(S, q, unicodeMatching);
            } else {
              A.push(S.slice(p, q));
              if (A.length === lim) return A;
              for (var i = 1; i <= z.length - 1; i++) {
                A.push(z[i]);
                if (A.length === lim) return A;
              }
              q = p = e;
            }
          }
          A.push(S.slice(p));
          return A;
        }
      ];
    },
    !SUPPORTS_Y
  );

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

    return _typeof(obj);
  }

  /**
   * @author Nadim Basalamah <dimbslmh@gmail.com>
   * @version: v1.1.0
   * https://github.com/dimbslmh/bootstrap-table/tree/master/src/extensions/multiple-sort/bootstrap-table-multiple-sort.js
   * Modification: ErwannNevou <https://github.com/ErwannNevou>
   */

  var isSingleSort = false;
  var Utils = $.fn.bootstrapTable.utils;
  var bootstrap = {
    bootstrap3: {
      icons: {
        plus: 'glyphicon-plus',
        minus: 'glyphicon-minus',
        sort: 'glyphicon-sort'
      },
      html: {
        multipleSortModal: "\n        <div class=\"modal fade\" id=\"%s\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n        <div class=\"modal-dialog\">\n            <div class=\"modal-content\">\n                <div class=\"modal-header\">\n                    <button type=\"button\" class=\"close\" data-dismiss=\"modal\" aria-label=\"Close\"><span aria-hidden=\"true\">&times;</span></button>\n                     <h4 class=\"modal-title\" id=\"%sLabel\">%s</h4>\n                </div>\n                <div class=\"modal-body\">\n                    <div class=\"bootstrap-table\">\n                        <div class=\"fixed-table-toolbar\">\n                            <div class=\"bars\">\n                                <div id=\"toolbar\">\n                                     <button id=\"add\" type=\"button\" class=\"btn btn-default\">%s %s</button>\n                                     <button id=\"delete\" type=\"button\" class=\"btn btn-default\" disabled>%s %s</button>\n                                </div>\n                            </div>\n                        </div>\n                        <div class=\"fixed-table-container\">\n                            <table id=\"multi-sort\" class=\"table\">\n                                <thead>\n                                    <tr>\n                                        <th></th>\n                                         <th><div class=\"th-inner\">%s</div></th>\n                                         <th><div class=\"th-inner\">%s</div></th>\n                                    </tr>\n                                </thead>\n                                <tbody></tbody>\n                            </table>\n                        </div>\n                    </div>\n                </div>\n                <div class=\"modal-footer\">\n                     <button type=\"button\" class=\"btn btn-default\" data-dismiss=\"modal\">%s</button>\n                     <button type=\"button\" class=\"btn btn-primary multi-sort-order-button\">%s</button>\n                </div>\n            </div>\n        </div>\n    </div>\n      ",
        multipleSortButton: '<button class="multi-sort btn btn-default" type="button" data-toggle="modal" data-target="#%s" title="%s">%s</button>',
        multipleSortSelect: '<select class="%s %s form-control">'
      }
    },
    bootstrap4: {
      icons: {
        'plus': 'fa-plus',
        'minus': 'fa-minus',
        'sort': 'fa-sort'
      },
      html: {
        multipleSortModal: "\n        <div class=\"modal fade\" id=\"%s\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n          <div class=\"modal-dialog\" role=\"document\">\n            <div class=\"modal-content\">\n              <div class=\"modal-header\">\n                <h5 class=\"modal-title\" id=\"%sLabel\">%s</h5>\n                <button type=\"button\" class=\"close\" data-dismiss=\"modal\" aria-label=\"Close\">\n                  <span aria-hidden=\"true\">&times;</span>\n                </button>\n              </div>\n              <div class=\"modal-body\">\n                <div class=\"bootstrap-table\">\n                        <div class=\"fixed-table-toolbar\">\n                            <div class=\"bars\">\n                                <div id=\"toolbar\" class=\"pb-3\">\n                                     <button id=\"add\" type=\"button\" class=\"btn btn-secondary\">%s %s</button>\n                                     <button id=\"delete\" type=\"button\" class=\"btn btn-secondary\" disabled>%s %s</button>\n                                </div>\n                            </div>\n                        </div>\n                        <div class=\"fixed-table-container\">\n                            <table id=\"multi-sort\" class=\"table\">\n                                <thead>\n                                    <tr>\n                                        <th></th>\n                                         <th><div class=\"th-inner\">%s</div></th>\n                                         <th><div class=\"th-inner\">%s</div></th>\n                                    </tr>\n                                </thead>\n                                <tbody></tbody>\n                            </table>\n                        </div>\n                    </div>\n              </div>\n              <div class=\"modal-footer\">\n                <button type=\"button\" class=\"btn btn-secondary\" data-dismiss=\"modal\">%s</button>\n                <button type=\"button\" class=\"btn btn-primary multi-sort-order-button\">%s</button>\n              </div>\n            </div>\n          </div>\n        </div>\n      ",
        multipleSortButton: '<button class="multi-sort btn btn-secondary" type="button" data-toggle="modal" data-target="#%s" title="%s">%s</button>',
        multipleSortSelect: '<select class="%s %s form-control">'
      }
    },
    semantic: {
      icons: {
        'plus': 'fa-plus',
        'minus': 'fa-minus',
        'sort': 'fa-sort'
      },
      html: {
        multipleSortModal: "\n        <div class=\"ui modal tiny\" id=\"%s\" aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n        <i class=\"close icon\"></i>\n        <div class=\"header\" id=\"%sLabel\">\n          %s\n        </div>\n        <div class=\"image content\">\n          <div class=\"bootstrap-table\">\n            <div class=\"fixed-table-toolbar\">\n                <div class=\"bars\">\n                  <div id=\"toolbar\" class=\"pb-3\">\n                    <button id=\"add\" type=\"button\" class=\"ui button\">%s %s</button>\n                    <button id=\"delete\" type=\"button\" class=\"ui button\" disabled>%s %s</button>\n                  </div>\n                </div>\n            </div>\n            <div class=\"fixed-table-container\">\n                <table id=\"multi-sort\" class=\"table\">\n                    <thead>\n                        <tr>\n                            <th></th>\n                            <th><div class=\"th-inner\">%s</div></th>\n                            <th><div class=\"th-inner\">%s</div></th>\n                        </tr>\n                    </thead>\n                    <tbody></tbody>\n                </table>\n            </div>\n          </div>\n        </div>\n        <div class=\"actions\">\n          <div class=\"ui button deny\">%s</div>\n          <div class=\"ui button approve multi-sort-order-button\">%s</div>\n        </div>\n      </div>\n      ",
        multipleSortButton: '<button class="multi-sort ui button" type="button" data-toggle="modal" data-target="#%s" title="%s">%s</button>',
        multipleSortSelect: '<select class="%s %s">'
      }
    },
    materialize: {
      icons: {
        'plus': 'plus',
        'minus': 'minus',
        'sort': 'sort'
      },
      html: {
        multipleSortModal: "\n        <div id=\"%s\" class=\"modal\" aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n          <div class=\"modal-content\" id=\"%sLabel\">\n            <h4>%s</h4>\n            <div class=\"bootstrap-table\">\n            <div class=\"fixed-table-toolbar\">\n                <div class=\"bars\">\n                  <div id=\"toolbar\" class=\"pb-3\">\n                    <button id=\"add\" type=\"button\" class=\"waves-effect waves-light btn\">%s %s</button>\n                    <button id=\"delete\" type=\"button\" class=\"waves-effect waves-light btn\" disabled>%s %s</button>\n                  </div>\n                </div>\n            </div>\n            <div class=\"fixed-table-container\">\n                <table id=\"multi-sort\" class=\"table\">\n                    <thead>\n                        <tr>\n                            <th></th>\n                            <th><div class=\"th-inner\">%s</div></th>\n                            <th><div class=\"th-inner\">%s</div></th>\n                        </tr>\n                    </thead>\n                    <tbody></tbody>\n                </table>\n            </div>\n          </div>\n          <div class=\"modal-footer\">\n            <a href=\"javascript:void(0)\" class=\"modal-close waves-effect waves-light btn\">%s</a>\n            <a href=\"javascript:void(0)\" class=\"modal-close waves-effect waves-light btn multi-sort-order-button\">%s</a>\n          </div>\n          </div>\n        </div>\n      ",
        multipleSortButton: '<a href="#%s" class="multi-sort waves-effect waves-light btn modal-trigger" type="button" data-toggle="modal" title="%s">%s</a>',
        multipleSortSelect: '<select class="%s %s browser-default">'
      }
    },
    foundation: {
      icons: {
        'plus': 'fa-plus',
        'minus': 'fa-minus',
        'sort': 'fa-sort'
      },
      html: {
        multipleSortModal: "\n        <div class=\"reveal\" id=\"%s\" data-reveal aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n            <div id=\"%sLabel\">\n              <h1>%s</h1>\n              <div class=\"bootstrap-table\">\n                <div class=\"fixed-table-toolbar\">\n                    <div class=\"bars\">\n                      <div id=\"toolbar\" class=\"padding-bottom-2\">\n                        <button id=\"add\" type=\"button\" class=\"waves-effect waves-light button\">%s %s</button>\n                        <button id=\"delete\" type=\"button\" class=\"waves-effect waves-light button\" disabled>%s %s</button>\n                      </div>\n                    </div>\n                </div>\n                <div class=\"fixed-table-container\">\n                    <table id=\"multi-sort\" class=\"table\">\n                        <thead>\n                            <tr>\n                                <th></th>\n                                <th><div class=\"th-inner\">%s</div></th>\n                                <th><div class=\"th-inner\">%s</div></th>\n                            </tr>\n                        </thead>\n                        <tbody></tbody>\n                    </table>\n                </div>\n              </div>\n              \n              <button class=\"waves-effect waves-light button\" data-close aria-label=\"Close modal\" type=\"button\">\n                <span aria-hidden=\"true\">%s</span>\n              </button>\n              <button class=\"waves-effect waves-light button multi-sort-order-button\" data-close aria-label=\"Order\" type=\"button\">\n                  <span aria-hidden=\"true\">%s</span>\n              </button>\n            </div>\n        </div>\n      ",
        multipleSortButton: '<button class="button multi-sort" data-open="%s" title="%s">%s</button>',
        multipleSortSelect: '<select class="%s %s browser-default">'
      }
    },
    bulma: {
      icons: {
        'plus': 'fa-plus',
        'minus': 'fa-minus',
        'sort': 'fa-sort'
      },
      html: {
        multipleSortModal: "\n        <div class=\"modal\" id=\"%s\" aria-labelledby=\"%sLabel\" aria-hidden=\"true\">\n          <div class=\"modal-background\"></div>\n          <div class=\"modal-content\" id=\"%sLabel\">\n            <div class=\"box\">\n            <h2>%s</h2>\n              <div class=\"bootstrap-table\">\n                  <div class=\"fixed-table-toolbar\">\n                      <div class=\"bars\">\n                        <div id=\"toolbar\" class=\"padding-bottom-2\">\n                          <button id=\"add\" type=\"button\" class=\"waves-effect waves-light button\">%s %s</button>\n                          <button id=\"delete\" type=\"button\" class=\"waves-effect waves-light button\" disabled>%s %s</button>\n                        </div>\n                      </div>\n                  </div>\n                  <div class=\"fixed-table-container\">\n                      <table id=\"multi-sort\" class=\"table\">\n                          <thead>\n                              <tr>\n                                  <th></th>\n                                  <th><div class=\"th-inner\">%s</div></th>\n                                  <th><div class=\"th-inner\">%s</div></th>\n                              </tr>\n                          </thead>\n                          <tbody></tbody>\n                      </table>\n                    </div>\n                </div>\n                <button type=\"button\" class=\"waves-effect waves-light button\" data-close>%s</button>\n                <button type=\"button\" class=\"waves-effect waves-light button multi-sort-order-button\" data-close>%s</button>\n            </div>\n          </div>\n        </div>\n      ",
        multipleSortButton: '<button class="button multi-sort" data-target="%s" title="%s">%s</button>',
        multipleSortSelect: '<select class="%s %s browser-default">'
      }
    }
  }[$.fn.bootstrapTable.theme];
  $.extend($.fn.bootstrapTable.defaults.icons, bootstrap.icons);
  $.extend($.fn.bootstrapTable.defaults.html, bootstrap.html);

  var showSortModal = function showSortModal(that) {
    var _selector = that.sortModalSelector;

    var _id = "#".concat(_selector);

    var o = that.options;

    if (!$(_id).hasClass('modal')) {
      var sModal = Utils.sprintf(that.constants.html.multipleSortModal, _selector, _selector, _selector, that.options.formatMultipleSort(), Utils.sprintf(that.constants.html.icon, o.iconsPrefix, that.constants.icons.plus), that.options.formatAddLevel(), Utils.sprintf(that.constants.html.icon, o.iconsPrefix, that.constants.icons.minus), that.options.formatDeleteLevel(), that.options.formatColumn(), that.options.formatOrder(), that.options.formatCancel(), that.options.formatSort());
      $('body').append($(sModal));
      that.$sortModal = $(_id);
      var $rows = that.$sortModal.find('tbody > tr');
      that.$sortModal.off('click', '#add').on('click', '#add', function () {
        var total = that.$sortModal.find('.multi-sort-name:first option').length;
        var current = that.$sortModal.find('tbody tr').length;

        if (current < total) {
          current++;
          that.addLevel();
          that.setButtonStates();
        }
      });
      that.$sortModal.off('click', '#delete').on('click', '#delete', function () {
        var total = that.$sortModal.find('.multi-sort-name:first option').length;
        var current = that.$sortModal.find('tbody tr').length;

        if (current > 1 && current <= total) {
          current--;
          that.$sortModal.find('tbody tr:last').remove();
          that.setButtonStates();
        }
      });
      that.$sortModal.off('click', '.multi-sort-order-button').on('click', '.multi-sort-order-button', function () {
        var $rows = that.$sortModal.find('tbody > tr');
        var $alert = that.$sortModal.find('div.alert');
        var fields = [];
        var results = [];
        that.options.sortPriority = $.map($rows, function (row) {
          var $row = $(row);
          var name = $row.find('.multi-sort-name').val();
          var order = $row.find('.multi-sort-order').val();
          fields.push(name);
          return {
            sortName: name,
            sortOrder: order
          };
        });
        var sorted_fields = fields.sort();

        for (var i = 0; i < fields.length - 1; i++) {
          if (sorted_fields[i + 1] === sorted_fields[i]) {
            results.push(sorted_fields[i]);
          }
        }

        if (results.length > 0) {
          if ($alert.length === 0) {
            $alert = "<div class=\"alert alert-danger\" role=\"alert\"><strong>".concat(that.options.formatDuplicateAlertTitle(), "</strong> ").concat(that.options.formatDuplicateAlertDescription(), "</div>");
            $($alert).insertBefore(that.$sortModal.find('.bars'));
          }
        } else {
          if ($alert.length === 1) {
            $($alert).remove();
          }

          if ($.inArray($.fn.bootstrapTable.theme, ['bootstrap3', 'bootstrap4']) !== -1) {
            that.$sortModal.modal('hide');
          }

          that.options.sortName = '';

          if (that.options.sidePagination === 'server') {
            var t = that.options.queryParams;

            that.options.queryParams = function (params) {
              params.multiSort = that.options.sortPriority;
              return $.fn.bootstrapTable.utils.calculateObjectValue(that.options, t, [params]);
            };

            isSingleSort = false;
            that.initServer(that.options.silentSort);
            return;
          }

          that.onMultipleSort();
        }
      });

      if (that.options.sortPriority === null || that.options.sortPriority.length === 0) {
        if (that.options.sortName) {
          that.options.sortPriority = [{
            sortName: that.options.sortName,
            sortOrder: that.options.sortOrder
          }];
        }
      }

      if (that.options.sortPriority !== null && that.options.sortPriority.length > 0) {
        if ($rows.length < that.options.sortPriority.length && _typeof(that.options.sortPriority) === 'object') {
          for (var i = 0; i < that.options.sortPriority.length; i++) {
            that.addLevel(i, that.options.sortPriority[i]);
          }
        }
      } else {
        that.addLevel(0);
      }

      that.setButtonStates();
    }
  };

  $.fn.bootstrapTable.methods.push('multipleSort');
  $.extend($.fn.bootstrapTable.defaults, {
    showMultiSort: false,
    showMultiSortButton: true,
    sortPriority: null,
    onMultipleSort: function onMultipleSort() {
      return false;
    }
  });
  $.extend($.fn.bootstrapTable.Constructor.EVENTS, {
    'multiple-sort.bs.table': 'onMultipleSort'
  });
  $.extend($.fn.bootstrapTable.locales, {
    formatMultipleSort: function formatMultipleSort() {
      return 'Multiple Sort';
    },
    formatAddLevel: function formatAddLevel() {
      return 'Add Level';
    },
    formatDeleteLevel: function formatDeleteLevel() {
      return 'Delete Level';
    },
    formatColumn: function formatColumn() {
      return 'Column';
    },
    formatOrder: function formatOrder() {
      return 'Order';
    },
    formatSortBy: function formatSortBy() {
      return 'Sort by';
    },
    formatThenBy: function formatThenBy() {
      return 'Then by';
    },
    formatSort: function formatSort() {
      return 'Sort';
    },
    formatCancel: function formatCancel() {
      return 'Cancel';
    },
    formatDuplicateAlertTitle: function formatDuplicateAlertTitle() {
      return 'Duplicate(s) detected!';
    },
    formatDuplicateAlertDescription: function formatDuplicateAlertDescription() {
      return 'Please remove or change any duplicate column.';
    },
    formatSortOrders: function formatSortOrders() {
      return {
        asc: 'Ascending',
        desc: 'Descending'
      };
    }
  });
  $.extend($.fn.bootstrapTable.defaults, $.fn.bootstrapTable.locales);
  var BootstrapTable = $.fn.bootstrapTable.Constructor;
  var _initToolbar = BootstrapTable.prototype.initToolbar;

  BootstrapTable.prototype.initToolbar = function () {
    var _this = this;

    this.showToolbar = this.showToolbar || this.options.showMultiSort;
    var that = this;
    var sortModalSelector = "sortModal_".concat(this.$el.attr('id'));
    var sortModalId = "#".concat(sortModalSelector);
    this.$sortModal = $(sortModalId);
    this.sortModalSelector = sortModalSelector;

    if (that.options.sortPriority !== null) {
      that.onMultipleSort();
    }

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _initToolbar.apply(this, Array.prototype.slice.apply(args));

    if (that.options.sidePagination === 'server' && !isSingleSort && that.options.sortPriority !== null) {
      var t = that.options.queryParams;

      that.options.queryParams = function (params) {
        params.multiSort = that.options.sortPriority;
        return t(params);
      };
    }

    if (this.options.showMultiSort) {
      var $btnGroup = this.$toolbar.find('>.' + that.constants.classes.buttonsGroup.split(' ').join('.')).first();
      var $multiSortBtn = this.$toolbar.find('div.multi-sort');
      var o = that.options;

      if (!$multiSortBtn.length && this.options.showMultiSortButton) {
        $multiSortBtn = Utils.sprintf(that.constants.html.multipleSortButton, that.sortModalSelector, this.options.formatMultipleSort(), Utils.sprintf(that.constants.html.icon, o.iconsPrefix, o.icons.sort));
        $btnGroup.append($multiSortBtn);

        if ($.fn.bootstrapTable.theme === 'semantic') {
          this.$toolbar.find('.multi-sort').on('click', function () {
            $(sortModalId).modal('show');
          });
        } else if ($.fn.bootstrapTable.theme === 'materialize') {
          this.$toolbar.find('.multi-sort').on('click', function () {
            $(sortModalId).modal();
          });
        } else if ($.fn.bootstrapTable.theme === 'foundation') {
          this.$toolbar.find('.multi-sort').on('click', function () {
            if (!_this.foundationModal) {
              // eslint-disable-next-line no-undef
              _this.foundationModal = new Foundation.Reveal($(sortModalId));
            }

            _this.foundationModal.open();
          });
        } else if ($.fn.bootstrapTable.theme === 'bulma') {
          this.$toolbar.find('.multi-sort').on('click', function () {
            $('html').toggleClass('is-clipped');
            $(sortModalId).toggleClass('is-active');
            $('button[data-close]').one('click', function () {
              $('html').toggleClass('is-clipped');
              $(sortModalId).toggleClass('is-active');
            });
          });
        }

        showSortModal(that);
      }

      this.$el.on('sort.bs.table', function () {
        isSingleSort = true;
      });
      this.$el.on('multiple-sort.bs.table', function () {
        isSingleSort = false;
      });
      this.$el.on('load-success.bs.table', function () {
        if (!isSingleSort && that.options.sortPriority !== null && _typeof(that.options.sortPriority) === 'object' && that.options.sidePagination !== 'server') {
          that.onMultipleSort();
        }
      });
      this.$el.on('column-switch.bs.table', function (field, checked) {
        for (var i = 0; i < that.options.sortPriority.length; i++) {
          if (that.options.sortPriority[i].sortName === checked) {
            that.options.sortPriority.splice(i, 1);
          }
        }

        that.assignSortableArrows();
        that.$sortModal.remove();
        showSortModal(that);
      });
      this.$el.on('reset-view.bs.table', function () {
        if (!isSingleSort && that.options.sortPriority !== null && _typeof(that.options.sortPriority) === 'object') {
          that.assignSortableArrows();
        }
      });
    }
  };

  BootstrapTable.prototype.multipleSort = function () {
    var that = this;

    if (!isSingleSort && that.options.sortPriority !== null && _typeof(that.options.sortPriority) === 'object' && that.options.sidePagination !== 'server') {
      that.onMultipleSort();
    }
  };

  BootstrapTable.prototype.onMultipleSort = function () {
    var that = this;

    var cmp = function cmp(x, y) {
      return x > y ? 1 : x < y ? -1 : 0;
    };

    var arrayCmp = function arrayCmp(a, b) {
      var arr1 = [];
      var arr2 = [];

      for (var i = 0; i < that.options.sortPriority.length; i++) {
        var order = that.options.sortPriority[i].sortOrder === 'desc' ? -1 : 1;
        var aa = a[that.options.sortPriority[i].sortName];
        var bb = b[that.options.sortPriority[i].sortName];

        if (aa === undefined || aa === null) {
          aa = '';
        }

        if (bb === undefined || bb === null) {
          bb = '';
        }

        if ($.isNumeric(aa) && $.isNumeric(bb)) {
          aa = parseFloat(aa);
          bb = parseFloat(bb);
        }

        if (typeof aa !== 'string') {
          aa = aa.toString();
        }

        arr1.push(order * cmp(aa, bb));
        arr2.push(order * cmp(bb, aa));
      }

      return cmp(arr1, arr2);
    };

    this.data.sort(function (a, b) {
      return arrayCmp(a, b);
    });
    this.initBody();
    this.assignSortableArrows();
    this.trigger('multiple-sort');
  };

  BootstrapTable.prototype.addLevel = function (index, sortPriority) {
    var text = index === 0 ? this.options.formatSortBy() : this.options.formatThenBy();
    this.$sortModal.find('tbody').append($('<tr>').append($('<td>').text(text)).append($('<td>').append($(Utils.sprintf(this.constants.html.multipleSortSelect, this.constants.classes.paginationDropdown, 'multi-sort-name')))).append($('<td>').append($(Utils.sprintf(this.constants.html.multipleSortSelect, this.constants.classes.paginationDropdown, 'multi-sort-order')))));
    var $multiSortName = this.$sortModal.find('.multi-sort-name').last();
    var $multiSortOrder = this.$sortModal.find('.multi-sort-order').last();
    $.each(this.columns, function (i, column) {
      if (column.sortable === false || column.visible === false) {
        return true;
      }

      $multiSortName.append("<option value=\"".concat(column.field, "\">").concat(column.title, "</option>"));
    });
    $.each(this.options.formatSortOrders(), function (value, order) {
      $multiSortOrder.append("<option value=\"".concat(value, "\">").concat(order, "</option>"));
    });

    if (sortPriority !== undefined) {
      $multiSortName.find("option[value=\"".concat(sortPriority.sortName, "\"]")).attr('selected', true);
      $multiSortOrder.find("option[value=\"".concat(sortPriority.sortOrder, "\"]")).attr('selected', true);
    }
  };

  BootstrapTable.prototype.assignSortableArrows = function () {
    var that = this;
    var headers = that.$header.find('th');

    for (var i = 0; i < headers.length; i++) {
      for (var c = 0; c < that.options.sortPriority.length; c++) {
        if ($(headers[i]).data('field') === that.options.sortPriority[c].sortName) {
          $(headers[i]).find('.sortable').removeClass('desc asc').addClass(that.options.sortPriority[c].sortOrder);
        }
      }
    }
  };

  BootstrapTable.prototype.setButtonStates = function () {
    var total = this.$sortModal.find('.multi-sort-name:first option').length;
    var current = this.$sortModal.find('tbody tr').length;

    if (current === total) {
      this.$sortModal.find('#add').attr('disabled', 'disabled');
    }

    if (current > 1) {
      this.$sortModal.find('#delete').removeAttr('disabled');
    }

    if (current < total) {
      this.$sortModal.find('#add').removeAttr('disabled');
    }

    if (current === 1) {
      this.$sortModal.find('#delete').attr('disabled', 'disabled');
    }
  };

}));