lin-view-ui/lib/tab-group.js

vue components library

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

var fails$6 = function (exec) {
  try {
    return !!exec();
  } catch (error) {
    return true;
  }
};

var fails$5 = fails$6;

// Detect IE8's incomplete defineProperty implementation
var descriptors = !fails$5(function () {
  // eslint-disable-next-line es/no-object-defineproperty -- required for testing
  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
});

var objectDefineProperty = {};

var check = function (it) {
  return it && it.Math == Math && it;
};

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global$c =
  // eslint-disable-next-line es/no-global-this -- safe
  check(typeof globalThis == 'object' && globalThis) ||
  check(typeof window == 'object' && window) ||
  // eslint-disable-next-line no-restricted-globals -- safe
  check(typeof self == 'object' && self) ||
  check(typeof commonjsGlobal == 'object' && commonjsGlobal) ||
  // eslint-disable-next-line no-new-func -- fallback
  (function () { return this; })() || Function('return this')();

var isObject$5 = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};

var global$b = global$c;
var isObject$4 = isObject$5;

var document$1 = global$b.document;
// typeof document.createElement is 'object' in old IE
var EXISTS = isObject$4(document$1) && isObject$4(document$1.createElement);

var documentCreateElement = function (it) {
  return EXISTS ? document$1.createElement(it) : {};
};

var DESCRIPTORS$4 = descriptors;
var fails$4 = fails$6;
var createElement = documentCreateElement;

// Thank's IE8 for his funny defineProperty
var ie8DomDefine = !DESCRIPTORS$4 && !fails$4(function () {
  // eslint-disable-next-line es/no-object-defineproperty -- requied for testing
  return Object.defineProperty(createElement('div'), 'a', {
    get: function () { return 7; }
  }).a != 7;
});

var isObject$3 = isObject$5;

var anObject$2 = function (it) {
  if (!isObject$3(it)) {
    throw TypeError(String(it) + ' is not an object');
  } return it;
};

var isObject$2 = isObject$5;

// `ToPrimitive` abstract operation
// https://tc39.es/ecma262/#sec-toprimitive
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
var toPrimitive$2 = function (input, PREFERRED_STRING) {
  if (!isObject$2(input)) return input;
  var fn, val;
  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$2(val = fn.call(input))) return val;
  if (typeof (fn = input.valueOf) == 'function' && !isObject$2(val = fn.call(input))) return val;
  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$2(val = fn.call(input))) return val;
  throw TypeError("Can't convert object to primitive value");
};

var DESCRIPTORS$3 = descriptors;
var IE8_DOM_DEFINE$1 = ie8DomDefine;
var anObject$1 = anObject$2;
var toPrimitive$1 = toPrimitive$2;

// eslint-disable-next-line es/no-object-defineproperty -- safe
var $defineProperty = Object.defineProperty;

// `Object.defineProperty` method
// https://tc39.es/ecma262/#sec-object.defineproperty
objectDefineProperty.f = DESCRIPTORS$3 ? $defineProperty : function defineProperty(O, P, Attributes) {
  anObject$1(O);
  P = toPrimitive$1(P, true);
  anObject$1(Attributes);
  if (IE8_DOM_DEFINE$1) try {
    return $defineProperty(O, P, Attributes);
  } catch (error) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};

var DESCRIPTORS$2 = descriptors;
var defineProperty = objectDefineProperty.f;

var FunctionPrototype = Function.prototype;
var FunctionPrototypeToString = FunctionPrototype.toString;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

// Function instances `.name` property
// https://tc39.es/ecma262/#sec-function-instances-name
if (DESCRIPTORS$2 && !(NAME in FunctionPrototype)) {
  defineProperty(FunctionPrototype, NAME, {
    configurable: true,
    get: function () {
      try {
        return FunctionPrototypeToString.call(this).match(nameRE)[1];
      } catch (error) {
        return '';
      }
    }
  });
}

var objectGetOwnPropertyDescriptor = {};

var objectPropertyIsEnumerable = {};

var $propertyIsEnumerable = {}.propertyIsEnumerable;
// eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
var getOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;

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

// `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
objectPropertyIsEnumerable.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
  var descriptor = getOwnPropertyDescriptor$1(this, V);
  return !!descriptor && descriptor.enumerable;
} : $propertyIsEnumerable;

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

var toString = {}.toString;

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

var fails$3 = fails$6;
var classof$1 = classofRaw;

var split = ''.split;

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var indexedObject = fails$3(function () {
  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
  // eslint-disable-next-line no-prototype-builtins -- safe
  return !Object('z').propertyIsEnumerable(0);
}) ? function (it) {
  return classof$1(it) == 'String' ? split.call(it, '') : Object(it);
} : Object;

// `RequireObjectCoercible` abstract operation
// https://tc39.es/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible$2 = function (it) {
  if (it == undefined) throw TypeError("Can't call method on " + it);
  return it;
};

// toObject with fallback for non-array-like ES3 strings
var IndexedObject$1 = indexedObject;
var requireObjectCoercible$1 = requireObjectCoercible$2;

var toIndexedObject$3 = function (it) {
  return IndexedObject$1(requireObjectCoercible$1(it));
};

var requireObjectCoercible = requireObjectCoercible$2;

// `ToObject` abstract operation
// https://tc39.es/ecma262/#sec-toobject
var toObject$2 = function (argument) {
  return Object(requireObjectCoercible(argument));
};

var toObject$1 = toObject$2;

var hasOwnProperty = {}.hasOwnProperty;

var has$6 = Object.hasOwn || function hasOwn(it, key) {
  return hasOwnProperty.call(toObject$1(it), key);
};

var DESCRIPTORS$1 = descriptors;
var propertyIsEnumerableModule = objectPropertyIsEnumerable;
var createPropertyDescriptor$1 = createPropertyDescriptor$2;
var toIndexedObject$2 = toIndexedObject$3;
var toPrimitive = toPrimitive$2;
var has$5 = has$6;
var IE8_DOM_DEFINE = ie8DomDefine;

// eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

// `Object.getOwnPropertyDescriptor` method
// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
objectGetOwnPropertyDescriptor.f = DESCRIPTORS$1 ? $getOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject$2(O);
  P = toPrimitive(P, true);
  if (IE8_DOM_DEFINE) try {
    return $getOwnPropertyDescriptor(O, P);
  } catch (error) { /* empty */ }
  if (has$5(O, P)) return createPropertyDescriptor$1(!propertyIsEnumerableModule.f.call(O, P), O[P]);
};

var DESCRIPTORS = descriptors;
var definePropertyModule$1 = objectDefineProperty;
var createPropertyDescriptor = createPropertyDescriptor$2;

var createNonEnumerableProperty$4 = DESCRIPTORS ? function (object, key, value) {
  return definePropertyModule$1.f(object, key, createPropertyDescriptor(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

var redefine$1 = {exports: {}};

var global$a = global$c;
var createNonEnumerableProperty$3 = createNonEnumerableProperty$4;

var setGlobal$3 = function (key, value) {
  try {
    createNonEnumerableProperty$3(global$a, key, value);
  } catch (error) {
    global$a[key] = value;
  } return value;
};

var global$9 = global$c;
var setGlobal$2 = setGlobal$3;

var SHARED = '__core-js_shared__';
var store$3 = global$9[SHARED] || setGlobal$2(SHARED, {});

var sharedStore = store$3;

var store$2 = sharedStore;

var functionToString = Function.toString;

// this helper broken in `core-js@3.4.1-3.4.4`, so we can't use `shared` helper
if (typeof store$2.inspectSource != 'function') {
  store$2.inspectSource = function (it) {
    return functionToString.call(it);
  };
}

var inspectSource$2 = store$2.inspectSource;

var global$8 = global$c;
var inspectSource$1 = inspectSource$2;

var WeakMap$1 = global$8.WeakMap;

var nativeWeakMap = typeof WeakMap$1 === 'function' && /native code/.test(inspectSource$1(WeakMap$1));

var shared$3 = {exports: {}};

var store$1 = sharedStore;

(shared$3.exports = function (key, value) {
  return store$1[key] || (store$1[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: '3.14.0',
  mode: 'global',
  copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
});

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

var uid$2 = function (key) {
  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
};

var shared$2 = shared$3.exports;
var uid$1 = uid$2;

var keys = shared$2('keys');

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

var hiddenKeys$3 = {};

var NATIVE_WEAK_MAP = nativeWeakMap;
var global$7 = global$c;
var isObject$1 = isObject$5;
var createNonEnumerableProperty$2 = createNonEnumerableProperty$4;
var objectHas = has$6;
var shared$1 = sharedStore;
var sharedKey = sharedKey$1;
var hiddenKeys$2 = hiddenKeys$3;

var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
var WeakMap = global$7.WeakMap;
var set, get, has$4;

var enforce = function (it) {
  return has$4(it) ? get(it) : set(it, {});
};

var getterFor = function (TYPE) {
  return function (it) {
    var state;
    if (!isObject$1(it) || (state = get(it)).type !== TYPE) {
      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
    } return state;
  };
};

if (NATIVE_WEAK_MAP || shared$1.state) {
  var store = shared$1.state || (shared$1.state = new WeakMap());
  var wmget = store.get;
  var wmhas = store.has;
  var wmset = store.set;
  set = function (it, metadata) {
    if (wmhas.call(store, it)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
    metadata.facade = it;
    wmset.call(store, it, metadata);
    return metadata;
  };
  get = function (it) {
    return wmget.call(store, it) || {};
  };
  has$4 = function (it) {
    return wmhas.call(store, it);
  };
} else {
  var STATE = sharedKey('state');
  hiddenKeys$2[STATE] = true;
  set = function (it, metadata) {
    if (objectHas(it, STATE)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
    metadata.facade = it;
    createNonEnumerableProperty$2(it, STATE, metadata);
    return metadata;
  };
  get = function (it) {
    return objectHas(it, STATE) ? it[STATE] : {};
  };
  has$4 = function (it) {
    return objectHas(it, STATE);
  };
}

var internalState = {
  set: set,
  get: get,
  has: has$4,
  enforce: enforce,
  getterFor: getterFor
};

var global$6 = global$c;
var createNonEnumerableProperty$1 = createNonEnumerableProperty$4;
var has$3 = has$6;
var setGlobal$1 = setGlobal$3;
var inspectSource = inspectSource$2;
var InternalStateModule = internalState;

var getInternalState = InternalStateModule.get;
var enforceInternalState = InternalStateModule.enforce;
var TEMPLATE = String(String).split('String');

(redefine$1.exports = function (O, key, value, options) {
  var unsafe = options ? !!options.unsafe : false;
  var simple = options ? !!options.enumerable : false;
  var noTargetGet = options ? !!options.noTargetGet : false;
  var state;
  if (typeof value == 'function') {
    if (typeof key == 'string' && !has$3(value, 'name')) {
      createNonEnumerableProperty$1(value, 'name', key);
    }
    state = enforceInternalState(value);
    if (!state.source) {
      state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
    }
  }
  if (O === global$6) {
    if (simple) O[key] = value;
    else setGlobal$1(key, value);
    return;
  } else if (!unsafe) {
    delete O[key];
  } else if (!noTargetGet && O[key]) {
    simple = true;
  }
  if (simple) O[key] = value;
  else createNonEnumerableProperty$1(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 || inspectSource(this);
});

var global$5 = global$c;

var path$1 = global$5;

var path = path$1;
var global$4 = global$c;

var aFunction$2 = function (variable) {
  return typeof variable == 'function' ? variable : undefined;
};

var getBuiltIn$2 = function (namespace, method) {
  return arguments.length < 2 ? aFunction$2(path[namespace]) || aFunction$2(global$4[namespace])
    : path[namespace] && path[namespace][method] || global$4[namespace] && global$4[namespace][method];
};

var objectGetOwnPropertyNames = {};

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

// `ToInteger` abstract operation
// https://tc39.es/ecma262/#sec-tointeger
var toInteger$2 = function (argument) {
  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
};

var toInteger$1 = toInteger$2;

var min$1 = Math.min;

// `ToLength` abstract operation
// https://tc39.es/ecma262/#sec-tolength
var toLength$2 = function (argument) {
  return argument > 0 ? min$1(toInteger$1(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
};

var toInteger = toInteger$2;

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

var toIndexedObject$1 = toIndexedObject$3;
var toLength$1 = toLength$2;
var toAbsoluteIndex = toAbsoluteIndex$1;

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

var arrayIncludes = {
  // `Array.prototype.includes` method
  // https://tc39.es/ecma262/#sec-array.prototype.includes
  includes: createMethod$1(true),
  // `Array.prototype.indexOf` method
  // https://tc39.es/ecma262/#sec-array.prototype.indexof
  indexOf: createMethod$1(false)
};

var has$2 = has$6;
var toIndexedObject = toIndexedObject$3;
var indexOf = arrayIncludes.indexOf;
var hiddenKeys$1 = hiddenKeys$3;

var objectKeysInternal = function (object, names) {
  var O = toIndexedObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) !has$2(hiddenKeys$1, key) && has$2(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has$2(O, key = names[i++])) {
    ~indexOf(result, key) || result.push(key);
  }
  return result;
};

// IE8- don't enum bug keys
var enumBugKeys$1 = [
  'constructor',
  'hasOwnProperty',
  'isPrototypeOf',
  'propertyIsEnumerable',
  'toLocaleString',
  'toString',
  'valueOf'
];

var internalObjectKeys = objectKeysInternal;
var enumBugKeys = enumBugKeys$1;

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

// `Object.getOwnPropertyNames` method
// https://tc39.es/ecma262/#sec-object.getownpropertynames
// eslint-disable-next-line es/no-object-getownpropertynames -- safe
objectGetOwnPropertyNames.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return internalObjectKeys(O, hiddenKeys);
};

var objectGetOwnPropertySymbols = {};

// eslint-disable-next-line es/no-object-getownpropertysymbols -- safe
objectGetOwnPropertySymbols.f = Object.getOwnPropertySymbols;

var getBuiltIn$1 = getBuiltIn$2;
var getOwnPropertyNamesModule = objectGetOwnPropertyNames;
var getOwnPropertySymbolsModule = objectGetOwnPropertySymbols;
var anObject = anObject$2;

// all object keys, includes non-enumerable and symbols
var ownKeys$1 = getBuiltIn$1('Reflect', 'ownKeys') || function ownKeys(it) {
  var keys = getOwnPropertyNamesModule.f(anObject(it));
  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
};

var has$1 = has$6;
var ownKeys = ownKeys$1;
var getOwnPropertyDescriptorModule = objectGetOwnPropertyDescriptor;
var definePropertyModule = objectDefineProperty;

var copyConstructorProperties$1 = function (target, source) {
  var keys = ownKeys(source);
  var defineProperty = definePropertyModule.f;
  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    if (!has$1(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
  }
};

var fails$2 = fails$6;

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

var isForced$1 = function (feature, detection) {
  var value = data[normalize(feature)];
  return value == POLYFILL ? true
    : value == NATIVE ? false
    : typeof detection == 'function' ? fails$2(detection)
    : !!detection;
};

var normalize = isForced$1.normalize = function (string) {
  return String(string).replace(replacement, '.').toLowerCase();
};

var data = isForced$1.data = {};
var NATIVE = isForced$1.NATIVE = 'N';
var POLYFILL = isForced$1.POLYFILL = 'P';

var isForced_1 = isForced$1;

var global$3 = global$c;
var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
var createNonEnumerableProperty = createNonEnumerableProperty$4;
var redefine = redefine$1.exports;
var setGlobal = setGlobal$3;
var copyConstructorProperties = copyConstructorProperties$1;
var isForced = isForced_1;

/*
  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$3;
  } else if (STATIC) {
    target = global$3[TARGET] || setGlobal(TARGET, {});
  } else {
    target = (global$3[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(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)) {
      createNonEnumerableProperty(sourceProperty, 'sham', true);
    }
    // extend global
    redefine(target, key, sourceProperty, options);
  }
};

var aFunction$1 = function (it) {
  if (typeof it != 'function') {
    throw TypeError(String(it) + ' is not a function');
  } return it;
};

var aFunction = aFunction$1;

// optional / simple context binding
var functionBindContext = 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);
  };
};

var classof = classofRaw;

// `IsArray` abstract operation
// https://tc39.es/ecma262/#sec-isarray
// eslint-disable-next-line es/no-array-isarray -- safe
var isArray$1 = Array.isArray || function isArray(arg) {
  return classof(arg) == 'Array';
};

var getBuiltIn = getBuiltIn$2;

var engineUserAgent = getBuiltIn('navigator', 'userAgent') || '';

var global$2 = global$c;
var userAgent = engineUserAgent;

var process = global$2.process;
var versions = process && process.versions;
var v8 = versions && versions.v8;
var match, version;

if (v8) {
  match = v8.split('.');
  version = match[0] < 4 ? 1 : match[0] + match[1];
} else if (userAgent) {
  match = userAgent.match(/Edge\/(\d+)/);
  if (!match || match[1] >= 74) {
    match = userAgent.match(/Chrome\/(\d+)/);
    if (match) version = match[1];
  }
}

var engineV8Version = version && +version;

/* eslint-disable es/no-symbol -- required for testing */

var V8_VERSION$1 = engineV8Version;
var fails$1 = fails$6;

// eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
var nativeSymbol = !!Object.getOwnPropertySymbols && !fails$1(function () {
  var symbol = Symbol();
  // Chrome 38 Symbol has incorrect toString conversion
  // `get-own-property-symbols` polyfill symbols converted to object are not Symbol instances
  return !String(symbol) || !(Object(symbol) instanceof Symbol) ||
    // Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
    !Symbol.sham && V8_VERSION$1 && V8_VERSION$1 < 41;
});

/* eslint-disable es/no-symbol -- required for testing */

var NATIVE_SYMBOL$1 = nativeSymbol;

var useSymbolAsUid = NATIVE_SYMBOL$1
  && !Symbol.sham
  && typeof Symbol.iterator == 'symbol';

var global$1 = global$c;
var shared = shared$3.exports;
var has = has$6;
var uid = uid$2;
var NATIVE_SYMBOL = nativeSymbol;
var USE_SYMBOL_AS_UID = useSymbolAsUid;

var WellKnownSymbolsStore = shared('wks');
var Symbol$1 = global$1.Symbol;
var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

var wellKnownSymbol$2 = function (name) {
  if (!has(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
    if (NATIVE_SYMBOL && has(Symbol$1, name)) {
      WellKnownSymbolsStore[name] = Symbol$1[name];
    } else {
      WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
    }
  } return WellKnownSymbolsStore[name];
};

var isObject = isObject$5;
var isArray = isArray$1;
var wellKnownSymbol$1 = wellKnownSymbol$2;

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

// `ArraySpeciesCreate` abstract operation
// https://tc39.es/ecma262/#sec-arrayspeciescreate
var arraySpeciesCreate$1 = 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$1];
      if (C === null) C = undefined;
    }
  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
};

var bind = functionBindContext;
var IndexedObject = indexedObject;
var toObject = toObject$2;
var toLength = toLength$2;
var arraySpeciesCreate = arraySpeciesCreate$1;

var push = [].push;

// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex, filterOut }` methods implementation
var createMethod = function (TYPE) {
  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 IS_FILTER_OUT = TYPE == 7;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  return function ($this, callbackfn, that, specificCreate) {
    var O = toObject($this);
    var self = IndexedObject(O);
    var boundFunction = bind(callbackfn, that, 3);
    var length = toLength(self.length);
    var index = 0;
    var create = specificCreate || arraySpeciesCreate;
    var target = IS_MAP ? create($this, length) : IS_FILTER || IS_FILTER_OUT ? create($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: push.call(target, value); // filter
        } else switch (TYPE) {
          case 4: return false;             // every
          case 7: push.call(target, value); // filterOut
        }
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
  };
};

var arrayIteration = {
  // `Array.prototype.forEach` method
  // https://tc39.es/ecma262/#sec-array.prototype.foreach
  forEach: createMethod(0),
  // `Array.prototype.map` method
  // https://tc39.es/ecma262/#sec-array.prototype.map
  map: createMethod(1),
  // `Array.prototype.filter` method
  // https://tc39.es/ecma262/#sec-array.prototype.filter
  filter: createMethod(2),
  // `Array.prototype.some` method
  // https://tc39.es/ecma262/#sec-array.prototype.some
  some: createMethod(3),
  // `Array.prototype.every` method
  // https://tc39.es/ecma262/#sec-array.prototype.every
  every: createMethod(4),
  // `Array.prototype.find` method
  // https://tc39.es/ecma262/#sec-array.prototype.find
  find: createMethod(5),
  // `Array.prototype.findIndex` method
  // https://tc39.es/ecma262/#sec-array.prototype.findIndex
  findIndex: createMethod(6),
  // `Array.prototype.filterOut` method
  // https://github.com/tc39/proposal-array-filtering
  filterOut: createMethod(7)
};

var fails = fails$6;
var wellKnownSymbol = wellKnownSymbol$2;
var V8_VERSION = engineV8Version;

var SPECIES = wellKnownSymbol('species');

var arrayMethodHasSpeciesSupport$2 = function (METHOD_NAME) {
  // We can't use this feature detection in V8 since it causes
  // deoptimization and serious performance degradation
  // https://github.com/zloirock/core-js/issues/677
  return V8_VERSION >= 51 || !fails(function () {
    var array = [];
    var constructor = array.constructor = {};
    constructor[SPECIES] = function () {
      return { foo: 1 };
    };
    return array[METHOD_NAME](Boolean).foo !== 1;
  });
};

var $$1 = _export;
var $map = arrayIteration.map;
var arrayMethodHasSpeciesSupport$1 = arrayMethodHasSpeciesSupport$2;

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

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

var $ = _export;
var $filter = arrayIteration.filter;
var arrayMethodHasSpeciesSupport = arrayMethodHasSpeciesSupport$2;

var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');

// `Array.prototype.filter` method
// https://tc39.es/ecma262/#sec-array.prototype.filter
// with adding support of @@species
$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
  filter: function filter(callbackfn /* , thisArg */) {
    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});

var TabGroup = {
  name: "LinTabGroup",
  render: function render(h) {
    var type = this.type,
        lineWidth = this.lineWidth,
        translateX = this.translateX,
        $slots = this.$slots,
        isScroll = this.isScroll,
        onNextClick = this.onNextClick,
        onPrevClick = this.onPrevClick,
        containerTranslateX = this.containerTranslateX,
        containerWidth = this.containerWidth,
        renderTabLabel = this.renderTabLabel;
    var containerwidth = containerWidth;
    var linewidth = lineWidth;
    return h("div", {
      "class": [{
        "lin-tab-group-card": type === "card"
      }, {
        "lin-tab-group-border": type === "border-card"
      }, "lin-tab-group"]
    }, [h("div", {
      "class": ["lin-tab-group-header", {
        "lin-tab-group-header-scroll": isScroll
      }],
      "ref": "tabheader"
    }, [h("div", {
      "style": {
        transform: "translateX(".concat(containerTranslateX, "px)"),
        width: containerwidth
      },
      "class": "lin-tab-group-item-wrapper",
      "ref": "tabheaderWrapper"
    }, [renderTabLabel(h), type !== "default" || h("div", {
      "class": "lin-tab-group-active-line",
      "style": {
        width: linewidth,
        transform: "translateX(".concat(translateX, ")")
      }
    })]), isScroll ? h("span", {
      "class": "lin-tab-group-icon lin-icon-left",
      "on": {
        "click": onPrevClick
      }
    }) : null, isScroll ? h("span", {
      "class": "lin-tab-group-icon lin-icon-right",
      "on": {
        "click": onNextClick
      }
    }) : null]), h("div", {
      "class": "lin-tab-group-content"
    }, [$slots.default])]);
  },
  data: function data() {
    return {
      // 存储LinTabItem组件孩子信息
      tabChildren: [],
      // 当前选中的是哪一个tab
      currentIndex: -1,
      // 下划线宽度
      lineWidth: "0px",
      // 下划线水平位移
      translateX: "0px",
      // 是否需要滚动
      isScroll: false,
      // tab容器的水平位移
      containerTranslateX: 0,
      // tab容器的宽度
      containerWidth: "0px",
      // 每次移动的步伐
      step: 60
    };
  },
  props: {
    // 绑定值，选中选项卡的 name
    value: {
      type: String,
      default: null
    },
    // 风格类型
    type: {
      // card/border-card
      type: String,
      default: "default"
    }
  },
  provide: function provide() {
    return {
      tabGroup: this
    };
  },
  mounted: function mounted() {
    // 初始化tab
    this.initTabChildren(); // 初始化滚动行为

    this.initScroll();
    this.timer = null;
    window.addEventListener("resize", this.onResize);
  },
  methods: {
    // 渲染tab标签
    renderTabLabel: function renderTabLabel(h) {
      var tabChildren = this.tabChildren,
          currentValue = this.currentValue,
          onTabClick = this.onTabClick;
      return h("div", {
        "class": "lin-tab-group-item-container",
        "ref": "tabheaderContainer"
      }, [tabChildren.map(function (item, index) {
        return h("div", {
          "class": [{
            "lin-tab-group-active": currentValue === item.name
          }, "lin-tab-group-header-item", {
            "lin-tab-group-header-item-disabled": item.disabled
          }],
          "attrs": {
            "id": "tab-".concat(item.name)
          },
          "key": index,
          "on": {
            "click": function click() {
              return onTabClick(item);
            }
          }
        }, [item.labelSlot || item.label]);
      })]);
    },
    // 窗口大小发生变化事件
    onResize: function onResize() {
      if (this.timer) {
        clearTimeout(this.timer);
      }

      this.timer = setTimeout(this.initScroll, 500);
    },
    initScroll: function initScroll() {
      var _this = this;

      this.$nextTick(function () {
        var tabheader = _this.$refs.tabheader;
        var tabheaderContainer = _this.$refs.tabheaderContainer; // 判断是否需要进行横向滚动

        _this.containerTranslateX = 0;

        if (tabheader.clientWidth < tabheaderContainer.scrollWidth) {
          _this.isScroll = true;
          _this.containerWidth = "".concat(tabheaderContainer.scrollWidth, "px");
        } else {
          _this.containerWidth = "100%";
          _this.isScroll = false;
        }

        if (_this.type === "default") {
          _this.initVar();
        }
      });
    },
    // 点击tab
    onTabClick: function onTabClick(data) {
      if (data.disabled) {
        return;
      }

      this.currentValue = data.name;
      this.$emit("tab-click", data.name);
    },
    // 初始化Tab
    initTabChildren: function initTabChildren() {
      // 获取LinTabItem组件孩子
      var tabChildren = this.getTabs();

      var _tabChildren = tabChildren.map(function (child, index) {
        if (!child.name) {
          // 没有name字段则使用索引代替
          child.index = index;
        }

        return {
          label: child.label,
          name: child.name || index,
          labelSlot: child.$slots.label || null,
          disabled: child.disabled
        };
      }); // 存储所需要的组件信息


      this.tabChildren = _tabChildren; // 初始化第一个为激活状态

      this.currentIndex = _tabChildren.length > 0 ? _tabChildren[0].name : 0;
    },
    // 获取LinTabItem组件孩子
    getTabs: function getTabs() {
      return this.$children.filter(function (item) {
        return item.$options.name === "LinTabItem";
      });
    },
    // 初始化下划线相关数据
    initVar: function initVar() {
      var _this2 = this;

      this.$nextTick(function () {
        if (_this2.currentValue !== -1) {
          var dom = document.getElementById("tab-".concat(_this2.currentValue));

          if (dom) {
            _this2.lineWidth = "".concat(dom.offsetWidth, "px");
            var left = dom.getBoundingClientRect().left;
            var tabheaderWrapper = _this2.$refs.tabheaderWrapper;
            var tabheaderWrapperX = tabheaderWrapper.getBoundingClientRect().left;
            _this2.translateX = "".concat(left - tabheaderWrapperX, "px");
          }
        }
      });
    },
    // 点击左移
    onPrevClick: function onPrevClick() {
      this.containerTranslateX += this.step;

      if (this.containerTranslateX > 0) {
        this.containerTranslateX = 0;
      }
    },
    // 点击右移
    onNextClick: function onNextClick() {
      var tabheader = this.$refs.tabheader;
      var tabheaderContainer = this.$refs.tabheaderContainer;
      var offsetWidth = tabheader.clientWidth - tabheaderContainer.scrollWidth - 40;
      this.containerTranslateX -= this.step;

      if (this.containerTranslateX < offsetWidth) {
        this.containerTranslateX = offsetWidth;
      }
    }
  },
  computed: {
    // 当前值，就是在哪一个tab
    currentValue: {
      get: function get() {
        if (this.value !== null) {
          return this.value || (this.tabChildren.length > 0 ? this.tabChildren[0].name : 0);
        }

        return this.currentIndex;
      },
      set: function set(value) {
        if (this.value !== null) {
          this.$emit("input", value);
        } else {
          this.currentIndex = value;
        }
      }
    }
  },
  watch: {
    currentValue: {
      immediate: true,
      handler: function handler() {
        this.initVar();
      }
    }
  },
  beforeDestroy: function beforeDestroy() {
    if (this.timer) {
      clearTimeout(this.timer);
      this.timer = null;
    }

    window.removeEventListener("resize", this.onResize);
  }
};

TabGroup.install = function (Vue) {
  return Vue.component(TabGroup.name, TabGroup);
};

export default TabGroup;