bk-vue-cec/lib/pagination.js

一个为运维业务场景而生，好看易用的Vue2原创组件库，由T-inside Design进行托管社区化运作

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('vue'), require('bk-magic-vue/lib/locale')) :
	typeof define === 'function' && define.amd ? define(['exports', 'vue', 'bk-magic-vue/lib/locale'], factory) :
	(global = global || self, factory(global.library = {}, global.Vue, global.locale));
}(this, function (exports, Vue, locale) { 'use strict';

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

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

	var runtime_1 = createCommonjsModule(function (module) {
	var runtime = (function (exports) {
	  var Op = Object.prototype;
	  var hasOwn = Op.hasOwnProperty;
	  var undefined$1;
	  var $Symbol = typeof Symbol === "function" ? Symbol : {};
	  var iteratorSymbol = $Symbol.iterator || "@@iterator";
	  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
	  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
	  function define(obj, key, value) {
	    Object.defineProperty(obj, key, {
	      value: value,
	      enumerable: true,
	      configurable: true,
	      writable: true
	    });
	    return obj[key];
	  }
	  try {
	    define({}, "");
	  } catch (err) {
	    define = function(obj, key, value) {
	      return obj[key] = value;
	    };
	  }
	  function wrap(innerFn, outerFn, self, tryLocsList) {
	    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
	    var generator = Object.create(protoGenerator.prototype);
	    var context = new Context(tryLocsList || []);
	    generator._invoke = makeInvokeMethod(innerFn, self, context);
	    return generator;
	  }
	  exports.wrap = wrap;
	  function tryCatch(fn, obj, arg) {
	    try {
	      return { type: "normal", arg: fn.call(obj, arg) };
	    } catch (err) {
	      return { type: "throw", arg: err };
	    }
	  }
	  var GenStateSuspendedStart = "suspendedStart";
	  var GenStateSuspendedYield = "suspendedYield";
	  var GenStateExecuting = "executing";
	  var GenStateCompleted = "completed";
	  var ContinueSentinel = {};
	  function Generator() {}
	  function GeneratorFunction() {}
	  function GeneratorFunctionPrototype() {}
	  var IteratorPrototype = {};
	  define(IteratorPrototype, iteratorSymbol, function () {
	    return this;
	  });
	  var getProto = Object.getPrototypeOf;
	  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
	  if (NativeIteratorPrototype &&
	      NativeIteratorPrototype !== Op &&
	      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
	    IteratorPrototype = NativeIteratorPrototype;
	  }
	  var Gp = GeneratorFunctionPrototype.prototype =
	    Generator.prototype = Object.create(IteratorPrototype);
	  GeneratorFunction.prototype = GeneratorFunctionPrototype;
	  define(Gp, "constructor", GeneratorFunctionPrototype);
	  define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
	  GeneratorFunction.displayName = define(
	    GeneratorFunctionPrototype,
	    toStringTagSymbol,
	    "GeneratorFunction"
	  );
	  function defineIteratorMethods(prototype) {
	    ["next", "throw", "return"].forEach(function(method) {
	      define(prototype, method, function(arg) {
	        return this._invoke(method, arg);
	      });
	    });
	  }
	  exports.isGeneratorFunction = function(genFun) {
	    var ctor = typeof genFun === "function" && genFun.constructor;
	    return ctor
	      ? ctor === GeneratorFunction ||
	        (ctor.displayName || ctor.name) === "GeneratorFunction"
	      : false;
	  };
	  exports.mark = function(genFun) {
	    if (Object.setPrototypeOf) {
	      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
	    } else {
	      genFun.__proto__ = GeneratorFunctionPrototype;
	      define(genFun, toStringTagSymbol, "GeneratorFunction");
	    }
	    genFun.prototype = Object.create(Gp);
	    return genFun;
	  };
	  exports.awrap = function(arg) {
	    return { __await: arg };
	  };
	  function AsyncIterator(generator, PromiseImpl) {
	    function invoke(method, arg, resolve, reject) {
	      var record = tryCatch(generator[method], generator, arg);
	      if (record.type === "throw") {
	        reject(record.arg);
	      } else {
	        var result = record.arg;
	        var value = result.value;
	        if (value &&
	            typeof value === "object" &&
	            hasOwn.call(value, "__await")) {
	          return PromiseImpl.resolve(value.__await).then(function(value) {
	            invoke("next", value, resolve, reject);
	          }, function(err) {
	            invoke("throw", err, resolve, reject);
	          });
	        }
	        return PromiseImpl.resolve(value).then(function(unwrapped) {
	          result.value = unwrapped;
	          resolve(result);
	        }, function(error) {
	          return invoke("throw", error, resolve, reject);
	        });
	      }
	    }
	    var previousPromise;
	    function enqueue(method, arg) {
	      function callInvokeWithMethodAndArg() {
	        return new PromiseImpl(function(resolve, reject) {
	          invoke(method, arg, resolve, reject);
	        });
	      }
	      return previousPromise =
	        previousPromise ? previousPromise.then(
	          callInvokeWithMethodAndArg,
	          callInvokeWithMethodAndArg
	        ) : callInvokeWithMethodAndArg();
	    }
	    this._invoke = enqueue;
	  }
	  defineIteratorMethods(AsyncIterator.prototype);
	  define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
	    return this;
	  });
	  exports.AsyncIterator = AsyncIterator;
	  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
	    if (PromiseImpl === void 0) PromiseImpl = Promise;
	    var iter = new AsyncIterator(
	      wrap(innerFn, outerFn, self, tryLocsList),
	      PromiseImpl
	    );
	    return exports.isGeneratorFunction(outerFn)
	      ? iter
	      : iter.next().then(function(result) {
	          return result.done ? result.value : iter.next();
	        });
	  };
	  function makeInvokeMethod(innerFn, self, context) {
	    var state = GenStateSuspendedStart;
	    return function invoke(method, arg) {
	      if (state === GenStateExecuting) {
	        throw new Error("Generator is already running");
	      }
	      if (state === GenStateCompleted) {
	        if (method === "throw") {
	          throw arg;
	        }
	        return doneResult();
	      }
	      context.method = method;
	      context.arg = arg;
	      while (true) {
	        var delegate = context.delegate;
	        if (delegate) {
	          var delegateResult = maybeInvokeDelegate(delegate, context);
	          if (delegateResult) {
	            if (delegateResult === ContinueSentinel) continue;
	            return delegateResult;
	          }
	        }
	        if (context.method === "next") {
	          context.sent = context._sent = context.arg;
	        } else if (context.method === "throw") {
	          if (state === GenStateSuspendedStart) {
	            state = GenStateCompleted;
	            throw context.arg;
	          }
	          context.dispatchException(context.arg);
	        } else if (context.method === "return") {
	          context.abrupt("return", context.arg);
	        }
	        state = GenStateExecuting;
	        var record = tryCatch(innerFn, self, context);
	        if (record.type === "normal") {
	          state = context.done
	            ? GenStateCompleted
	            : GenStateSuspendedYield;
	          if (record.arg === ContinueSentinel) {
	            continue;
	          }
	          return {
	            value: record.arg,
	            done: context.done
	          };
	        } else if (record.type === "throw") {
	          state = GenStateCompleted;
	          context.method = "throw";
	          context.arg = record.arg;
	        }
	      }
	    };
	  }
	  function maybeInvokeDelegate(delegate, context) {
	    var method = delegate.iterator[context.method];
	    if (method === undefined$1) {
	      context.delegate = null;
	      if (context.method === "throw") {
	        if (delegate.iterator["return"]) {
	          context.method = "return";
	          context.arg = undefined$1;
	          maybeInvokeDelegate(delegate, context);
	          if (context.method === "throw") {
	            return ContinueSentinel;
	          }
	        }
	        context.method = "throw";
	        context.arg = new TypeError(
	          "The iterator does not provide a 'throw' method");
	      }
	      return ContinueSentinel;
	    }
	    var record = tryCatch(method, delegate.iterator, context.arg);
	    if (record.type === "throw") {
	      context.method = "throw";
	      context.arg = record.arg;
	      context.delegate = null;
	      return ContinueSentinel;
	    }
	    var info = record.arg;
	    if (! info) {
	      context.method = "throw";
	      context.arg = new TypeError("iterator result is not an object");
	      context.delegate = null;
	      return ContinueSentinel;
	    }
	    if (info.done) {
	      context[delegate.resultName] = info.value;
	      context.next = delegate.nextLoc;
	      if (context.method !== "return") {
	        context.method = "next";
	        context.arg = undefined$1;
	      }
	    } else {
	      return info;
	    }
	    context.delegate = null;
	    return ContinueSentinel;
	  }
	  defineIteratorMethods(Gp);
	  define(Gp, toStringTagSymbol, "Generator");
	  define(Gp, iteratorSymbol, function() {
	    return this;
	  });
	  define(Gp, "toString", function() {
	    return "[object Generator]";
	  });
	  function pushTryEntry(locs) {
	    var entry = { tryLoc: locs[0] };
	    if (1 in locs) {
	      entry.catchLoc = locs[1];
	    }
	    if (2 in locs) {
	      entry.finallyLoc = locs[2];
	      entry.afterLoc = locs[3];
	    }
	    this.tryEntries.push(entry);
	  }
	  function resetTryEntry(entry) {
	    var record = entry.completion || {};
	    record.type = "normal";
	    delete record.arg;
	    entry.completion = record;
	  }
	  function Context(tryLocsList) {
	    this.tryEntries = [{ tryLoc: "root" }];
	    tryLocsList.forEach(pushTryEntry, this);
	    this.reset(true);
	  }
	  exports.keys = function(object) {
	    var keys = [];
	    for (var key in object) {
	      keys.push(key);
	    }
	    keys.reverse();
	    return function next() {
	      while (keys.length) {
	        var key = keys.pop();
	        if (key in object) {
	          next.value = key;
	          next.done = false;
	          return next;
	        }
	      }
	      next.done = true;
	      return next;
	    };
	  };
	  function values(iterable) {
	    if (iterable) {
	      var iteratorMethod = iterable[iteratorSymbol];
	      if (iteratorMethod) {
	        return iteratorMethod.call(iterable);
	      }
	      if (typeof iterable.next === "function") {
	        return iterable;
	      }
	      if (!isNaN(iterable.length)) {
	        var i = -1, next = function next() {
	          while (++i < iterable.length) {
	            if (hasOwn.call(iterable, i)) {
	              next.value = iterable[i];
	              next.done = false;
	              return next;
	            }
	          }
	          next.value = undefined$1;
	          next.done = true;
	          return next;
	        };
	        return next.next = next;
	      }
	    }
	    return { next: doneResult };
	  }
	  exports.values = values;
	  function doneResult() {
	    return { value: undefined$1, done: true };
	  }
	  Context.prototype = {
	    constructor: Context,
	    reset: function(skipTempReset) {
	      this.prev = 0;
	      this.next = 0;
	      this.sent = this._sent = undefined$1;
	      this.done = false;
	      this.delegate = null;
	      this.method = "next";
	      this.arg = undefined$1;
	      this.tryEntries.forEach(resetTryEntry);
	      if (!skipTempReset) {
	        for (var name in this) {
	          if (name.charAt(0) === "t" &&
	              hasOwn.call(this, name) &&
	              !isNaN(+name.slice(1))) {
	            this[name] = undefined$1;
	          }
	        }
	      }
	    },
	    stop: function() {
	      this.done = true;
	      var rootEntry = this.tryEntries[0];
	      var rootRecord = rootEntry.completion;
	      if (rootRecord.type === "throw") {
	        throw rootRecord.arg;
	      }
	      return this.rval;
	    },
	    dispatchException: function(exception) {
	      if (this.done) {
	        throw exception;
	      }
	      var context = this;
	      function handle(loc, caught) {
	        record.type = "throw";
	        record.arg = exception;
	        context.next = loc;
	        if (caught) {
	          context.method = "next";
	          context.arg = undefined$1;
	        }
	        return !! caught;
	      }
	      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	        var entry = this.tryEntries[i];
	        var record = entry.completion;
	        if (entry.tryLoc === "root") {
	          return handle("end");
	        }
	        if (entry.tryLoc <= this.prev) {
	          var hasCatch = hasOwn.call(entry, "catchLoc");
	          var hasFinally = hasOwn.call(entry, "finallyLoc");
	          if (hasCatch && hasFinally) {
	            if (this.prev < entry.catchLoc) {
	              return handle(entry.catchLoc, true);
	            } else if (this.prev < entry.finallyLoc) {
	              return handle(entry.finallyLoc);
	            }
	          } else if (hasCatch) {
	            if (this.prev < entry.catchLoc) {
	              return handle(entry.catchLoc, true);
	            }
	          } else if (hasFinally) {
	            if (this.prev < entry.finallyLoc) {
	              return handle(entry.finallyLoc);
	            }
	          } else {
	            throw new Error("try statement without catch or finally");
	          }
	        }
	      }
	    },
	    abrupt: function(type, arg) {
	      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	        var entry = this.tryEntries[i];
	        if (entry.tryLoc <= this.prev &&
	            hasOwn.call(entry, "finallyLoc") &&
	            this.prev < entry.finallyLoc) {
	          var finallyEntry = entry;
	          break;
	        }
	      }
	      if (finallyEntry &&
	          (type === "break" ||
	           type === "continue") &&
	          finallyEntry.tryLoc <= arg &&
	          arg <= finallyEntry.finallyLoc) {
	        finallyEntry = null;
	      }
	      var record = finallyEntry ? finallyEntry.completion : {};
	      record.type = type;
	      record.arg = arg;
	      if (finallyEntry) {
	        this.method = "next";
	        this.next = finallyEntry.finallyLoc;
	        return ContinueSentinel;
	      }
	      return this.complete(record);
	    },
	    complete: function(record, afterLoc) {
	      if (record.type === "throw") {
	        throw record.arg;
	      }
	      if (record.type === "break" ||
	          record.type === "continue") {
	        this.next = record.arg;
	      } else if (record.type === "return") {
	        this.rval = this.arg = record.arg;
	        this.method = "return";
	        this.next = "end";
	      } else if (record.type === "normal" && afterLoc) {
	        this.next = afterLoc;
	      }
	      return ContinueSentinel;
	    },
	    finish: function(finallyLoc) {
	      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	        var entry = this.tryEntries[i];
	        if (entry.finallyLoc === finallyLoc) {
	          this.complete(entry.completion, entry.afterLoc);
	          resetTryEntry(entry);
	          return ContinueSentinel;
	        }
	      }
	    },
	    "catch": function(tryLoc) {
	      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	        var entry = this.tryEntries[i];
	        if (entry.tryLoc === tryLoc) {
	          var record = entry.completion;
	          if (record.type === "throw") {
	            var thrown = record.arg;
	            resetTryEntry(entry);
	          }
	          return thrown;
	        }
	      }
	      throw new Error("illegal catch attempt");
	    },
	    delegateYield: function(iterable, resultName, nextLoc) {
	      this.delegate = {
	        iterator: values(iterable),
	        resultName: resultName,
	        nextLoc: nextLoc
	      };
	      if (this.method === "next") {
	        this.arg = undefined$1;
	      }
	      return ContinueSentinel;
	    }
	  };
	  return exports;
	}(
	   module.exports 
	));
	try {
	  regeneratorRuntime = runtime;
	} catch (accidentalStrictMode) {
	  if (typeof globalThis === "object") {
	    globalThis.regeneratorRuntime = runtime;
	  } else {
	    Function("r", "regeneratorRuntime = r")(runtime);
	  }
	}
	});

	var regenerator = runtime_1;

	function _typeof(obj) {
	  "@babel/helpers - typeof";

	  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);
	}

	function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
	  try {
	    var info = gen[key](arg);
	    var value = info.value;
	  } catch (error) {
	    reject(error);
	    return;
	  }

	  if (info.done) {
	    resolve(value);
	  } else {
	    Promise.resolve(value).then(_next, _throw);
	  }
	}

	function _asyncToGenerator(fn) {
	  return function () {
	    var self = this,
	        args = arguments;
	    return new Promise(function (resolve, reject) {
	      var gen = fn.apply(self, args);

	      function _next(value) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
	      }

	      function _throw(err) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
	      }

	      _next(undefined);
	    });
	  };
	}

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

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

	function _createClass(Constructor, protoProps, staticProps) {
	  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
	  if (staticProps) _defineProperties(Constructor, staticProps);
	  return Constructor;
	}

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

	  return obj;
	}

	function _extends() {
	  _extends = Object.assign || function (target) {
	    for (var i = 1; i < arguments.length; i++) {
	      var source = arguments[i];

	      for (var key in source) {
	        if (Object.prototype.hasOwnProperty.call(source, key)) {
	          target[key] = source[key];
	        }
	      }
	    }

	    return target;
	  };

	  return _extends.apply(this, arguments);
	}

	function _objectSpread(target) {
	  for (var i = 1; i < arguments.length; i++) {
	    var source = arguments[i] != null ? Object(arguments[i]) : {};
	    var ownKeys = Object.keys(source);

	    if (typeof Object.getOwnPropertySymbols === 'function') {
	      ownKeys.push.apply(ownKeys, Object.getOwnPropertySymbols(source).filter(function (sym) {
	        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
	      }));
	    }

	    ownKeys.forEach(function (key) {
	      _defineProperty(target, key, source[key]);
	    });
	  }

	  return target;
	}

	function _toConsumableArray(arr) {
	  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
	}

	function _arrayWithoutHoles(arr) {
	  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
	}

	function _iterableToArray(iter) {
	  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
	}

	function _unsupportedIterableToArray(o, minLen) {
	  if (!o) return;
	  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
	  var n = Object.prototype.toString.call(o).slice(8, -1);
	  if (n === "Object" && o.constructor) n = o.constructor.name;
	  if (n === "Map" || n === "Set") return Array.from(o);
	  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
	}

	function _arrayLikeToArray(arr, len) {
	  if (len == null || len > arr.length) len = arr.length;

	  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

	  return arr2;
	}

	function _nonIterableSpread() {
	  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
	}

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

	var id = 0;
	var px = Math.random();
	var _uid = function (key) {
	  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
	};

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

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

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

	var _descriptors = !_fails(function () {
	  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
	});

	var _global = createCommonjsModule(function (module) {
	var global = module.exports = typeof window != 'undefined' && window.Math == Math
	  ? window : typeof self != 'undefined' && self.Math == Math ? self
	  : Function('return this')();
	if (typeof __g == 'number') __g = global;
	});

	var document$1 = _global.document;
	var is = _isObject(document$1) && _isObject(document$1.createElement);
	var _domCreate = function (it) {
	  return is ? document$1.createElement(it) : {};
	};

	var _ie8DomDefine = !_descriptors && !_fails(function () {
	  return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;
	});

	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 dP = Object.defineProperty;
	var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
	  _anObject(O);
	  P = _toPrimitive(P, true);
	  _anObject(Attributes);
	  if (_ie8DomDefine) try {
	    return dP(O, P, Attributes);
	  } catch (e) {  }
	  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
	  if ('value' in Attributes) O[P] = Attributes.value;
	  return O;
	};
	var _objectDp = {
		f: f
	};

	var _meta = createCommonjsModule(function (module) {
	var META = _uid('meta');
	var setDesc = _objectDp.f;
	var id = 0;
	var isExtensible = Object.isExtensible || function () {
	  return true;
	};
	var FREEZE = !_fails(function () {
	  return isExtensible(Object.preventExtensions({}));
	});
	var setMeta = function (it) {
	  setDesc(it, META, { value: {
	    i: 'O' + ++id,
	    w: {}
	  } });
	};
	var fastKey = function (it, create) {
	  if (!_isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
	  if (!_has(it, META)) {
	    if (!isExtensible(it)) return 'F';
	    if (!create) return 'E';
	    setMeta(it);
	  } return it[META].i;
	};
	var getWeak = function (it, create) {
	  if (!_has(it, META)) {
	    if (!isExtensible(it)) return true;
	    if (!create) return false;
	    setMeta(it);
	  } return it[META].w;
	};
	var onFreeze = function (it) {
	  if (FREEZE && meta.NEED && isExtensible(it) && !_has(it, META)) setMeta(it);
	  return it;
	};
	var meta = module.exports = {
	  KEY: META,
	  NEED: false,
	  fastKey: fastKey,
	  getWeak: getWeak,
	  onFreeze: onFreeze
	};
	});
	var _meta_1 = _meta.KEY;
	var _meta_2 = _meta.NEED;
	var _meta_3 = _meta.fastKey;
	var _meta_4 = _meta.getWeak;
	var _meta_5 = _meta.onFreeze;

	var _core = createCommonjsModule(function (module) {
	var core = module.exports = { version: '2.6.12' };
	if (typeof __e == 'number') __e = core;
	});
	var _core_1 = _core.version;

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

	var _ctx = function (fn, that, length) {
	  _aFunction(fn);
	  if (that === undefined) return fn;
	  switch (length) {
	    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 () {
	    return fn.apply(that, arguments);
	  };
	};

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

	var _hide = _descriptors ? function (object, key, value) {
	  return _objectDp.f(object, key, _propertyDesc(1, value));
	} : function (object, key, value) {
	  object[key] = value;
	  return object;
	};

	var PROTOTYPE = 'prototype';
	var $export = function (type, name, source) {
	  var IS_FORCED = type & $export.F;
	  var IS_GLOBAL = type & $export.G;
	  var IS_STATIC = type & $export.S;
	  var IS_PROTO = type & $export.P;
	  var IS_BIND = type & $export.B;
	  var IS_WRAP = type & $export.W;
	  var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
	  var expProto = exports[PROTOTYPE];
	  var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE];
	  var key, own, out;
	  if (IS_GLOBAL) source = name;
	  for (key in source) {
	    own = !IS_FORCED && target && target[key] !== undefined;
	    if (own && _has(exports, key)) continue;
	    out = own ? target[key] : source[key];
	    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
	    : IS_BIND && own ? _ctx(out, _global)
	    : IS_WRAP && target[key] == out ? (function (C) {
	      var F = function (a, b, c) {
	        if (this instanceof C) {
	          switch (arguments.length) {
	            case 0: return new C();
	            case 1: return new C(a);
	            case 2: return new C(a, b);
	          } return new C(a, b, c);
	        } return C.apply(this, arguments);
	      };
	      F[PROTOTYPE] = C[PROTOTYPE];
	      return F;
	    })(out) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
	    if (IS_PROTO) {
	      (exports.virtual || (exports.virtual = {}))[key] = out;
	      if (type & $export.R && expProto && !expProto[key]) _hide(expProto, key, out);
	    }
	  }
	};
	$export.F = 1;
	$export.G = 2;
	$export.S = 4;
	$export.P = 8;
	$export.B = 16;
	$export.W = 32;
	$export.U = 64;
	$export.R = 128;
	var _export = $export;

	var _objectSap = function (KEY, exec) {
	  var fn = (_core.Object || {})[KEY] || Object[KEY];
	  var exp = {};
	  exp[KEY] = exec(fn);
	  _export(_export.S + _export.F * _fails(function () { fn(1); }), 'Object', exp);
	};

	var meta = _meta.onFreeze;
	_objectSap('seal', function ($seal) {
	  return function seal(it) {
	    return $seal && _isObject(it) ? $seal(meta(it)) : it;
	  };
	});

	var seal = _core.Object.seal;

	var seal$1 = seal;

	var _defined = function (it) {
	  if (it == undefined) throw TypeError("Can't call method on  " + it);
	  return it;
	};

	var _stringWs = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
	  '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

	var space = '[' + _stringWs + ']';
	var non = '\u200b\u0085';
	var ltrim = RegExp('^' + space + space + '*');
	var rtrim = RegExp(space + space + '*$');
	var exporter = function (KEY, exec, ALIAS) {
	  var exp = {};
	  var FORCE = _fails(function () {
	    return !!_stringWs[KEY]() || non[KEY]() != non;
	  });
	  var fn = exp[KEY] = FORCE ? exec(trim) : _stringWs[KEY];
	  if (ALIAS) exp[ALIAS] = fn;
	  _export(_export.P + _export.F * FORCE, 'String', exp);
	};
	var trim = exporter.trim = function (string, TYPE) {
	  string = String(_defined(string));
	  if (TYPE & 1) string = string.replace(ltrim, '');
	  if (TYPE & 2) string = string.replace(rtrim, '');
	  return string;
	};
	var _stringTrim = exporter;

	var $parseInt = _global.parseInt;
	var $trim = _stringTrim.trim;
	var hex = /^[-+]?0[xX]/;
	var _parseInt = $parseInt(_stringWs + '08') !== 8 || $parseInt(_stringWs + '0x16') !== 22 ? function parseInt(str, radix) {
	  var string = $trim(String(str), 3);
	  return $parseInt(string, (radix >>> 0) || (hex.test(string) ? 16 : 10));
	} : $parseInt;

	_export(_export.G + _export.F * (parseInt != _parseInt), { parseInt: _parseInt });

	var _parseInt$1 = _core.parseInt;

	var _parseInt$2 = _parseInt$1;

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

	var _isArray = Array.isArray || function isArray(arg) {
	  return _cof(arg) == 'Array';
	};

	_export(_export.S, 'Array', { isArray: _isArray });

	var isArray = _core.Array.isArray;

	var isArray$1 = isArray;

	var _toObject = function (it) {
	  return Object(_defined(it));
	};

	var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
	  return _cof(it) == 'String' ? it.split('') : Object(it);
	};

	var _toIobject = function (it) {
	  return _iobject(_defined(it));
	};

	var ceil = Math.ceil;
	var floor = Math.floor;
	var _toInteger = function (it) {
	  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
	};

	var min = Math.min;
	var _toLength = function (it) {
	  return it > 0 ? min(_toInteger(it), 0x1fffffffffffff) : 0;
	};

	var max = Math.max;
	var min$1 = Math.min;
	var _toAbsoluteIndex = function (index, length) {
	  index = _toInteger(index);
	  return index < 0 ? max(index + length, 0) : min$1(index, length);
	};

	var _arrayIncludes = function (IS_INCLUDES) {
	  return function ($this, el, fromIndex) {
	    var O = _toIobject($this);
	    var length = _toLength(O.length);
	    var index = _toAbsoluteIndex(fromIndex, length);
	    var value;
	    if (IS_INCLUDES && el != el) while (length > index) {
	      value = O[index++];
	      if (value != value) return true;
	    } 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 _shared = createCommonjsModule(function (module) {
	var SHARED = '__core-js_shared__';
	var store = _global[SHARED] || (_global[SHARED] = {});
	(module.exports = function (key, value) {
	  return store[key] || (store[key] = value !== undefined ? value : {});
	})('versions', []).push({
	  version: _core.version,
	  mode:  'pure' ,
	  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
	});
	});

	var shared = _shared('keys');
	var _sharedKey = function (key) {
	  return shared[key] || (shared[key] = _uid(key));
	};

	var arrayIndexOf = _arrayIncludes(false);
	var IE_PROTO = _sharedKey('IE_PROTO');
	var _objectKeysInternal = function (object, names) {
	  var O = _toIobject(object);
	  var i = 0;
	  var result = [];
	  var key;
	  for (key in O) if (key != IE_PROTO) _has(O, key) && result.push(key);
	  while (names.length > i) if (_has(O, key = names[i++])) {
	    ~arrayIndexOf(result, key) || result.push(key);
	  }
	  return result;
	};

	var _enumBugKeys = (
	  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
	).split(',');

	var _objectKeys = Object.keys || function keys(O) {
	  return _objectKeysInternal(O, _enumBugKeys);
	};

	_objectSap('keys', function () {
	  return function keys(it) {
	    return _objectKeys(_toObject(it));
	  };
	});

	var keys = _core.Object.keys;

	var keys$1 = keys;

	var f$1 = Object.getOwnPropertySymbols;
	var _objectGops = {
		f: f$1
	};

	var f$2 = {}.propertyIsEnumerable;
	var _objectPie = {
		f: f$2
	};

	var $assign = Object.assign;
	var _objectAssign = !$assign || _fails(function () {
	  var A = {};
	  var B = {};
	  var S = Symbol();
	  var K = 'abcdefghijklmnopqrst';
	  A[S] = 7;
	  K.split('').forEach(function (k) { B[k] = k; });
	  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
	}) ? function assign(target, source) {
	  var T = _toObject(target);
	  var aLen = arguments.length;
	  var index = 1;
	  var getSymbols = _objectGops.f;
	  var isEnum = _objectPie.f;
	  while (aLen > index) {
	    var S = _iobject(arguments[index++]);
	    var keys = getSymbols ? _objectKeys(S).concat(getSymbols(S)) : _objectKeys(S);
	    var length = keys.length;
	    var j = 0;
	    var key;
	    while (length > j) {
	      key = keys[j++];
	      if (!_descriptors || isEnum.call(S, key)) T[key] = S[key];
	    }
	  } return T;
	} : $assign;

	_export(_export.S + _export.F, 'Object', { assign: _objectAssign });

	var assign = _core.Object.assign;

	var assign$1 = assign;

	var $parseFloat = _global.parseFloat;
	var $trim$1 = _stringTrim.trim;
	var _parseFloat = 1 / $parseFloat(_stringWs + '-0') !== -Infinity ? function parseFloat(str) {
	  var string = $trim$1(String(str), 3);
	  var result = $parseFloat(string);
	  return result === 0 && string.charAt(0) == '-' ? -0 : result;
	} : $parseFloat;

	_export(_export.G + _export.F * (parseFloat != _parseFloat), { parseFloat: _parseFloat });

	var _parseFloat$1 = _core.parseFloat;

	var _parseFloat$2 = _parseFloat$1;

	var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';
	var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
	var timeoutDuration = 0;
	for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
	  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
	    timeoutDuration = 1;
	    break;
	  }
	}
	function microtaskDebounce(fn) {
	  var called = false;
	  return function () {
	    if (called) {
	      return;
	    }
	    called = true;
	    window.Promise.resolve().then(function () {
	      called = false;
	      fn();
	    });
	  };
	}
	function taskDebounce(fn) {
	  var scheduled = false;
	  return function () {
	    if (!scheduled) {
	      scheduled = true;
	      setTimeout(function () {
	        scheduled = false;
	        fn();
	      }, timeoutDuration);
	    }
	  };
	}
	var supportsMicroTasks = isBrowser && window.Promise;
	var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;
	function isFunction(functionToCheck) {
	  var getType = {};
	  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
	}
	function getStyleComputedProperty(element, property) {
	  if (element.nodeType !== 1) {
	    return [];
	  }
	  var window = element.ownerDocument.defaultView;
	  var css = window.getComputedStyle(element, null);
	  return property ? css[property] : css;
	}
	function getParentNode(element) {
	  if (element.nodeName === 'HTML') {
	    return element;
	  }
	  return element.parentNode || element.host;
	}
	function getScrollParent(element) {
	  if (!element) {
	    return document.body;
	  }
	  switch (element.nodeName) {
	    case 'HTML':
	    case 'BODY':
	      return element.ownerDocument.body;
	    case '#document':
	      return element.body;
	  }
	  var _getStyleComputedProp = getStyleComputedProperty(element),
	      overflow = _getStyleComputedProp.overflow,
	      overflowX = _getStyleComputedProp.overflowX,
	      overflowY = _getStyleComputedProp.overflowY;
	  if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
	    return element;
	  }
	  return getScrollParent(getParentNode(element));
	}
	var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
	var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);
	function isIE(version) {
	  if (version === 11) {
	    return isIE11;
	  }
	  if (version === 10) {
	    return isIE10;
	  }
	  return isIE11 || isIE10;
	}
	function getOffsetParent(element) {
	  if (!element) {
	    return document.documentElement;
	  }
	  var noOffsetParent = isIE(10) ? document.body : null;
	  var offsetParent = element.offsetParent || null;
	  while (offsetParent === noOffsetParent && element.nextElementSibling) {
	    offsetParent = (element = element.nextElementSibling).offsetParent;
	  }
	  var nodeName = offsetParent && offsetParent.nodeName;
	  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
	    return element ? element.ownerDocument.documentElement : document.documentElement;
	  }
	  if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
	    return getOffsetParent(offsetParent);
	  }
	  return offsetParent;
	}
	function isOffsetContainer(element) {
	  var nodeName = element.nodeName;
	  if (nodeName === 'BODY') {
	    return false;
	  }
	  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
	}
	function getRoot(node) {
	  if (node.parentNode !== null) {
	    return getRoot(node.parentNode);
	  }
	  return node;
	}
	function findCommonOffsetParent(element1, element2) {
	  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
	    return document.documentElement;
	  }
	  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
	  var start = order ? element1 : element2;
	  var end = order ? element2 : element1;
	  var range = document.createRange();
	  range.setStart(start, 0);
	  range.setEnd(end, 0);
	  var commonAncestorContainer = range.commonAncestorContainer;
	  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
	    if (isOffsetContainer(commonAncestorContainer)) {
	      return commonAncestorContainer;
	    }
	    return getOffsetParent(commonAncestorContainer);
	  }
	  var element1root = getRoot(element1);
	  if (element1root.host) {
	    return findCommonOffsetParent(element1root.host, element2);
	  } else {
	    return findCommonOffsetParent(element1, getRoot(element2).host);
	  }
	}
	function getScroll(element) {
	  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';
	  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
	  var nodeName = element.nodeName;
	  if (nodeName === 'BODY' || nodeName === 'HTML') {
	    var html = element.ownerDocument.documentElement;
	    var scrollingElement = element.ownerDocument.scrollingElement || html;
	    return scrollingElement[upperSide];
	  }
	  return element[upperSide];
	}
	function includeScroll(rect, element) {
	  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
	  var scrollTop = getScroll(element, 'top');
	  var scrollLeft = getScroll(element, 'left');
	  var modifier = subtract ? -1 : 1;
	  rect.top += scrollTop * modifier;
	  rect.bottom += scrollTop * modifier;
	  rect.left += scrollLeft * modifier;
	  rect.right += scrollLeft * modifier;
	  return rect;
	}
	function getBordersSize(styles, axis) {
	  var sideA = axis === 'x' ? 'Left' : 'Top';
	  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';
	  return _parseFloat$2(styles["border".concat(sideA, "Width")], 10) + _parseFloat$2(styles["border".concat(sideB, "Width")], 10);
	}
	function getSize(axis, body, html, computedStyle) {
	  return Math.max(body["offset".concat(axis)], body["scroll".concat(axis)], html["client".concat(axis)], html["offset".concat(axis)], html["scroll".concat(axis)], isIE(10) ? _parseInt$2(html["offset".concat(axis)]) + _parseInt$2(computedStyle["margin".concat(axis === 'Height' ? 'Top' : 'Left')]) + _parseInt$2(computedStyle["margin".concat(axis === 'Height' ? 'Bottom' : 'Right')]) : 0);
	}
	function getWindowSizes(document) {
	  var body = document.body;
	  var html = document.documentElement;
	  var computedStyle = isIE(10) && getComputedStyle(html);
	  return {
	    height: getSize('Height', body, html, computedStyle),
	    width: getSize('Width', body, html, computedStyle)
	  };
	}
	var _extends$1 = assign$1 || function (target) {
	  for (var i = 1; i < arguments.length; i++) {
	    var source = arguments[i];
	    for (var key in source) {
	      if (Object.prototype.hasOwnProperty.call(source, key)) {
	        target[key] = source[key];
	      }
	    }
	  }
	  return target;
	};
	function getClientRect(offsets) {
	  return _extends$1({}, offsets, {
	    right: offsets.left + offsets.width,
	    bottom: offsets.top + offsets.height
	  });
	}
	function getBoundingClientRect(element) {
	  var rect = {};
	  try {
	    if (isIE(10)) {
	      rect = element.getBoundingClientRect();
	      var scrollTop = getScroll(element, 'top');
	      var scrollLeft = getScroll(element, 'left');
	      rect.top += scrollTop;
	      rect.left += scrollLeft;
	      rect.bottom += scrollTop;
	      rect.right += scrollLeft;
	    } else {
	      rect = element.getBoundingClientRect();
	    }
	  } catch (e) {}
	  var result = {
	    left: rect.left,
	    top: rect.top,
	    width: rect.right - rect.left,
	    height: rect.bottom - rect.top
	  };
	  var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
	  var width = sizes.width || element.clientWidth || result.right - result.left;
	  var height = sizes.height || element.clientHeight || result.bottom - result.top;
	  var horizScrollbar = element.offsetWidth - width;
	  var vertScrollbar = element.offsetHeight - height;
	  if (horizScrollbar || vertScrollbar) {
	    var styles = getStyleComputedProperty(element);
	    horizScrollbar -= getBordersSize(styles, 'x');
	    vertScrollbar -= getBordersSize(styles, 'y');
	    result.width -= horizScrollbar;
	    result.height -= vertScrollbar;
	  }
	  return getClientRect(result);
	}
	function getOffsetRectRelativeToArbitraryNode(children, parent) {
	  var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
	  var isIE10 = isIE(10);
	  var isHTML = parent.nodeName === 'HTML';
	  var childrenRect = getBoundingClientRect(children);
	  var parentRect = getBoundingClientRect(parent);
	  var scrollParent = getScrollParent(children);
	  var styles = getStyleComputedProperty(parent);
	  var borderTopWidth = _parseFloat$2(styles.borderTopWidth, 10);
	  var borderLeftWidth = _parseFloat$2(styles.borderLeftWidth, 10);
	  if (fixedPosition && isHTML) {
	    parentRect.top = Math.max(parentRect.top, 0);
	    parentRect.left = Math.max(parentRect.left, 0);
	  }
	  var offsets = getClientRect({
	    top: childrenRect.top - parentRect.top - borderTopWidth,
	    left: childrenRect.left - parentRect.left - borderLeftWidth,
	    width: childrenRect.width,
	    height: childrenRect.height
	  });
	  offsets.marginTop = 0;
	  offsets.marginLeft = 0;
	  if (!isIE10 && isHTML) {
	    var marginTop = _parseFloat$2(styles.marginTop, 10);
	    var marginLeft = _parseFloat$2(styles.marginLeft, 10);
	    offsets.top -= borderTopWidth - marginTop;
	    offsets.bottom -= borderTopWidth - marginTop;
	    offsets.left -= borderLeftWidth - marginLeft;
	    offsets.right -= borderLeftWidth - marginLeft;
	    offsets.marginTop = marginTop;
	    offsets.marginLeft = marginLeft;
	  }
	  if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
	    offsets = includeScroll(offsets, parent);
	  }
	  return offsets;
	}
	function getViewportOffsetRectRelativeToArtbitraryNode(element) {
	  var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
	  var html = element.ownerDocument.documentElement;
	  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
	  var width = Math.max(html.clientWidth, window.innerWidth || 0);
	  var height = Math.max(html.clientHeight, window.innerHeight || 0);
	  var scrollTop = !excludeScroll ? getScroll(html) : 0;
	  var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;
	  var offset = {
	    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
	    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
	    width: width,
	    height: height
	  };
	  return getClientRect(offset);
	}
	function isFixed(element) {
	  var nodeName = element.nodeName;
	  if (nodeName === 'BODY' || nodeName === 'HTML') {
	    return false;
	  }
	  if (getStyleComputedProperty(element, 'position') === 'fixed') {
	    return true;
	  }
	  var parentNode = getParentNode(element);
	  if (!parentNode) {
	    return false;
	  }
	  return isFixed(parentNode);
	}
	function getFixedPositionOffsetParent(element) {
	  if (!element || !element.parentElement || isIE()) {
	    return document.documentElement;
	  }
	  var el = element.parentElement;
	  while (el && getStyleComputedProperty(el, 'transform') === 'none') {
	    el = el.parentElement;
	  }
	  return el || document.documentElement;
	}
	function getBoundaries(popper, reference, padding, boundariesElement) {
	  var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
	  var boundaries = {
	    top: 0,
	    left: 0
	  };
	  var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
	  if (boundariesElement === 'viewport') {
	    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
	  } else {
	    var boundariesNode;
	    if (boundariesElement === 'scrollParent') {
	      boundariesNode = getScrollParent(getParentNode(reference));
	      if (boundariesNode.nodeName === 'BODY') {
	        boundariesNode = popper.ownerDocument.documentElement;
	      }
	    } else if (boundariesElement === 'window') {
	      boundariesNode = popper.ownerDocument.documentElement;
	    } else {
	      boundariesNode = boundariesElement;
	    }
	    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);
	    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
	      var _getWindowSizes = getWindowSizes(popper.ownerDocument),
	          height = _getWindowSizes.height,
	          width = _getWindowSizes.width;
	      boundaries.top += offsets.top - offsets.marginTop;
	      boundaries.bottom = height + offsets.top;
	      boundaries.left += offsets.left - offsets.marginLeft;
	      boundaries.right = width + offsets.left;
	    } else {
	      boundaries = offsets;
	    }
	  }
	  padding = padding || 0;
	  var isPaddingNumber = typeof padding === 'number';
	  boundaries.left += isPaddingNumber ? padding : padding.left || 0;
	  boundaries.top += isPaddingNumber ? padding : padding.top || 0;
	  boundaries.right -= isPaddingNumber ? padding : padding.right || 0;
	  boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0;
	  return boundaries;
	}
	function getArea(_ref) {
	  var width = _ref.width,
	      height = _ref.height;
	  return width * height;
	}
	function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
	  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
	  if (placement.indexOf('auto') === -1) {
	    return placement;
	  }
	  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);
	  var rects = {
	    top: {
	      width: boundaries.width,
	      height: refRect.top - boundaries.top
	    },
	    right: {
	      width: boundaries.right - refRect.right,
	      height: boundaries.height
	    },
	    bottom: {
	      width: boundaries.width,
	      height: boundaries.bottom - refRect.bottom
	    },
	    left: {
	      width: refRect.left - boundaries.left,
	      height: boundaries.height
	    }
	  };
	  var sortedAreas = keys$1(rects).map(function (key) {
	    return _extends$1({
	      key: key
	    }, rects[key], {
	      area: getArea(rects[key])
	    });
	  }).sort(function (a, b) {
	    return b.area - a.area;
	  });
	  var filteredAreas = sortedAreas.filter(function (_ref2) {
	    var width = _ref2.width,
	        height = _ref2.height;
	    return width >= popper.clientWidth && height >= popper.clientHeight;
	  });
	  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;
	  var variation = placement.split('-')[1];
	  return computedPlacement + (variation ? "-".concat(variation) : '');
	}
	function getReferenceOffsets(state, popper, reference) {
	  var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
	  var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
	  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
	}
	function getOuterSizes(element) {
	  var window = element.ownerDocument.defaultView;
	  var styles = window.getComputedStyle(element);
	  var x = _parseFloat$2(styles.marginTop || 0) + _parseFloat$2(styles.marginBottom || 0);
	  var y = _parseFloat$2(styles.marginLeft || 0) + _parseFloat$2(styles.marginRight || 0);
	  var result = {
	    width: element.offsetWidth + y,
	    height: element.offsetHeight + x
	  };
	  return result;
	}
	function getOppositePlacement(placement) {
	  var hash = {
	    left: 'right',