/**
* SimpleBar.js - v5.3.9
* Scrollbars, simpler.
* https://grsmto.github.io/simplebar/
*
* Made by Adrien Denat from a fork by Jonathan Nicol
* Under MIT License
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.SimpleBar = factory());
}(this, (function () { 'use strict';
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var check = function (it) {
return it && it.Math == Math && it;
};
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global_1 =
// eslint-disable-next-line es-x/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')();
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var defineProperty = Object.defineProperty;
var defineGlobalProperty = function (key, value) {
try {
defineProperty(global_1, key, { value: value, configurable: true, writable: true });
} catch (error) {
global_1[key] = value;
} return value;
};
var SHARED = '__core-js_shared__';
var store = global_1[SHARED] || defineGlobalProperty(SHARED, {});
var sharedStore = store;
var shared = createCommonjsModule(function (module) {
(module.exports = function (key, value) {
return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
})('versions', []).push({
version: '3.22.6',
mode: 'global',
copyright: '© 2014-2022 Denis Pushkarev (zloirock.ru)',
license: 'https://github.com/zloirock/core-js/blob/v3.22.6/LICENSE',
source: 'https://github.com/zloirock/core-js'
});
});
var fails = function (exec) {
try {
return !!exec();
} catch (error) {
return true;
}
};
var functionBindNative = !fails(function () {
// eslint-disable-next-line es-x/no-function-prototype-bind -- safe
var test = (function () { /* empty */ }).bind();
// eslint-disable-next-line no-prototype-builtins -- safe
return typeof test != 'function' || test.hasOwnProperty('prototype');
});
var FunctionPrototype = Function.prototype;
var bind = FunctionPrototype.bind;
var call = FunctionPrototype.call;
var uncurryThis = functionBindNative && bind.bind(call, call);
var functionUncurryThis = functionBindNative ? function (fn) {
return fn && uncurryThis(fn);
} : function (fn) {
return fn && function () {
return call.apply(fn, arguments);
};
};
var TypeError$1 = global_1.TypeError;
// `RequireObjectCoercible` abstract operation
// https://tc39.es/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible = function (it) {
if (it == undefined) throw TypeError$1("Can't call method on " + it);
return it;
};
var Object$1 = global_1.Object;
// `ToObject` abstract operation
// https://tc39.es/ecma262/#sec-toobject
var toObject = function (argument) {
return Object$1(requireObjectCoercible(argument));
};
var hasOwnProperty = functionUncurryThis({}.hasOwnProperty);
// `HasOwnProperty` abstract operation
// https://tc39.es/ecma262/#sec-hasownproperty
// eslint-disable-next-line es-x/no-object-hasown -- safe
var hasOwnProperty_1 = Object.hasOwn || function hasOwn(it, key) {
return hasOwnProperty(toObject(it), key);
};
var id = 0;
var postfix = Math.random();
var toString = functionUncurryThis(1.0.toString);
var uid = function (key) {
return 'Symbol(' + (key === undefined ? '' : key) + ')_' + toString(++id + postfix, 36);
};
// `IsCallable` abstract operation
// https://tc39.es/ecma262/#sec-iscallable
var isCallable = function (argument) {
return typeof argument == 'function';
};
var aFunction = function (argument) {
return isCallable(argument) ? argument : undefined;
};
var getBuiltIn = function (namespace, method) {
return arguments.length < 2 ? aFunction(global_1[namespace]) : global_1[namespace] && global_1[namespace][method];
};
var engineUserAgent = getBuiltIn('navigator', 'userAgent') || '';
var process = global_1.process;
var Deno = global_1.Deno;
var versions = process && process.versions || Deno && Deno.version;
var v8 = versions && versions.v8;
var match, version;
if (v8) {
match = v8.split('.');
// in old Chrome, versions of V8 isn't V8 = Chrome / 10
// but their correct versions are not interesting for us
version = match[0] > 0 && match[0] < 4 ? 1 : +(match[0] + match[1]);
}
// BrowserFS NodeJS `process` polyfill incorrectly set `.v8` to `0.0`
// so check `userAgent` even if `.v8` exists, but 0
if (!version && engineUserAgent) {
match = engineUserAgent.match(/Edge\/(\d+)/);
if (!match || match[1] >= 74) {
match = engineUserAgent.match(/Chrome\/(\d+)/);
if (match) version = +match[1];
}
}
var engineV8Version = version;
/* eslint-disable es-x/no-symbol -- required for testing */
// eslint-disable-next-line es-x/no-object-getownpropertysymbols -- required for testing
var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(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 && engineV8Version && engineV8Version < 41;
});
/* eslint-disable es-x/no-symbol -- required for testing */
var useSymbolAsUid = nativeSymbol
&& !Symbol.sham
&& typeof Symbol.iterator == 'symbol';
var WellKnownSymbolsStore = shared('wks');
var Symbol$1 = global_1.Symbol;
var symbolFor = Symbol$1 && Symbol$1['for'];
var createWellKnownSymbol = useSymbolAsUid ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;
var wellKnownSymbol = function (name) {
if (!hasOwnProperty_1(WellKnownSymbolsStore, name) || !(nativeSymbol || typeof WellKnownSymbolsStore[name] == 'string')) {
var description = 'Symbol.' + name;
if (nativeSymbol && hasOwnProperty_1(Symbol$1, name)) {
WellKnownSymbolsStore[name] = Symbol$1[name];
} else if (useSymbolAsUid && symbolFor) {
WellKnownSymbolsStore[name] = symbolFor(description);
} else {
WellKnownSymbolsStore[name] = createWellKnownSymbol(description);
}
} return WellKnownSymbolsStore[name];
};
var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var test = {};
test[TO_STRING_TAG] = 'z';
var toStringTagSupport = String(test) === '[object z]';
// Detect IE8's incomplete defineProperty implementation
var descriptors = !fails(function () {
// eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
});
var isObject = function (it) {
return typeof it == 'object' ? it !== null : isCallable(it);
};
var document$1 = global_1.document;
// typeof document.createElement is 'object' in old IE
var EXISTS = isObject(document$1) && isObject(document$1.createElement);
var documentCreateElement = function (it) {
return EXISTS ? document$1.createElement(it) : {};
};
// Thanks to IE8 for its funny defineProperty
var ie8DomDefine = !descriptors && !fails(function () {
// eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
return Object.defineProperty(documentCreateElement('div'), 'a', {
get: function () { return 7; }
}).a != 7;
});
// V8 ~ Chrome 36-
// https://bugs.chromium.org/p/v8/issues/detail?id=3334
var v8PrototypeDefineBug = descriptors && fails(function () {
// eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
return Object.defineProperty(function () { /* empty */ }, 'prototype', {
value: 42,
writable: false
}).prototype != 42;
});
var String$1 = global_1.String;
var TypeError$2 = global_1.TypeError;
// `Assert: Type(argument) is Object`
var anObject = function (argument) {
if (isObject(argument)) return argument;
throw TypeError$2(String$1(argument) + ' is not an object');
};
var call$1 = Function.prototype.call;
var functionCall = functionBindNative ? call$1.bind(call$1) : function () {
return call$1.apply(call$1, arguments);
};
var objectIsPrototypeOf = functionUncurryThis({}.isPrototypeOf);
var Object$2 = global_1.Object;
var isSymbol = useSymbolAsUid ? function (it) {
return typeof it == 'symbol';
} : function (it) {
var $Symbol = getBuiltIn('Symbol');
return isCallable($Symbol) && objectIsPrototypeOf($Symbol.prototype, Object$2(it));
};
var String$2 = global_1.String;
var tryToString = function (argument) {
try {
return String$2(argument);
} catch (error) {
return 'Object';
}
};
var TypeError$3 = global_1.TypeError;
// `Assert: IsCallable(argument) is true`
var aCallable = function (argument) {
if (isCallable(argument)) return argument;
throw TypeError$3(tryToString(argument) + ' is not a function');
};
// `GetMethod` abstract operation
// https://tc39.es/ecma262/#sec-getmethod
var getMethod = function (V, P) {
var func = V[P];
return func == null ? undefined : aCallable(func);
};
var TypeError$4 = global_1.TypeError;
// `OrdinaryToPrimitive` abstract operation
// https://tc39.es/ecma262/#sec-ordinarytoprimitive
var ordinaryToPrimitive = function (input, pref) {
var fn, val;
if (pref === 'string' && isCallable(fn = input.toString) && !isObject(val = functionCall(fn, input))) return val;
if (isCallable(fn = input.valueOf) && !isObject(val = functionCall(fn, input))) return val;
if (pref !== 'string' && isCallable(fn = input.toString) && !isObject(val = functionCall(fn, input))) return val;
throw TypeError$4("Can't convert object to primitive value");
};
var TypeError$5 = global_1.TypeError;
var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
// `ToPrimitive` abstract operation
// https://tc39.es/ecma262/#sec-toprimitive
var toPrimitive = function (input, pref) {
if (!isObject(input) || isSymbol(input)) return input;
var exoticToPrim = getMethod(input, TO_PRIMITIVE);
var result;
if (exoticToPrim) {
if (pref === undefined) pref = 'default';
result = functionCall(exoticToPrim, input, pref);
if (!isObject(result) || isSymbol(result)) return result;
throw TypeError$5("Can't convert object to primitive value");
}
if (pref === undefined) pref = 'number';
return ordinaryToPrimitive(input, pref);
};
// `ToPropertyKey` abstract operation
// https://tc39.es/ecma262/#sec-topropertykey
var toPropertyKey = function (argument) {
var key = toPrimitive(argument, 'string');
return isSymbol(key) ? key : key + '';
};
var TypeError$6 = global_1.TypeError;
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var $defineProperty = Object.defineProperty;
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
var ENUMERABLE = 'enumerable';
var CONFIGURABLE = 'configurable';
var WRITABLE = 'writable';
// `Object.defineProperty` method
// https://tc39.es/ecma262/#sec-object.defineproperty
var f = descriptors ? v8PrototypeDefineBug ? function defineProperty(O, P, Attributes) {
anObject(O);
P = toPropertyKey(P);
anObject(Attributes);
if (typeof O === 'function' && P === 'prototype' && 'value' in Attributes && WRITABLE in Attributes && !Attributes[WRITABLE]) {
var current = $getOwnPropertyDescriptor(O, P);
if (current && current[WRITABLE]) {
O[P] = Attributes.value;
Attributes = {
configurable: CONFIGURABLE in Attributes ? Attributes[CONFIGURABLE] : current[CONFIGURABLE],
enumerable: ENUMERABLE in Attributes ? Attributes[ENUMERABLE] : current[ENUMERABLE],
writable: false
};
}
} return $defineProperty(O, P, Attributes);
} : $defineProperty : function defineProperty(O, P, Attributes) {
anObject(O);
P = toPropertyKey(P);
anObject(Attributes);
if (ie8DomDefine) try {
return $defineProperty(O, P, Attributes);
} catch (error) { /* empty */ }
if ('get' in Attributes || 'set' in Attributes) throw TypeError$6('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 createNonEnumerableProperty = descriptors ? function (object, key, value) {
return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
} : function (object, key, value) {
object[key] = value;
return object;
};
var FunctionPrototype$1 = Function.prototype;
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var getDescriptor = descriptors && Object.getOwnPropertyDescriptor;
var EXISTS$1 = hasOwnProperty_1(FunctionPrototype$1, 'name');
// additional protection from minified / mangled / dropped function names
var PROPER = EXISTS$1 && (function something() { /* empty */ }).name === 'something';
var CONFIGURABLE$1 = EXISTS$1 && (!descriptors || (descriptors && getDescriptor(FunctionPrototype$1, 'name').configurable));
var functionName = {
EXISTS: EXISTS$1,
PROPER: PROPER,
CONFIGURABLE: CONFIGURABLE$1
};
var functionToString = functionUncurryThis(Function.toString);
// this helper broken in `core-js@3.4.1-3.4.4`, so we can't use `shared` helper
if (!isCallable(sharedStore.inspectSource)) {
sharedStore.inspectSource = function (it) {
return functionToString(it);
};
}
var inspectSource = sharedStore.inspectSource;
var WeakMap$1 = global_1.WeakMap;
var nativeWeakMap = isCallable(WeakMap$1) && /native code/.test(inspectSource(WeakMap$1));
var keys = shared('keys');
var sharedKey = function (key) {
return keys[key] || (keys[key] = uid(key));
};
var hiddenKeys = {};
var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
var TypeError$7 = global_1.TypeError;
var WeakMap$2 = global_1.WeakMap;
var set, get, has;
var enforce = function (it) {
return has(it) ? get(it) : set(it, {});
};
var getterFor = function (TYPE) {
return function (it) {
var state;
if (!isObject(it) || (state = get(it)).type !== TYPE) {
throw TypeError$7('Incompatible receiver, ' + TYPE + ' required');
} return state;
};
};
if (nativeWeakMap || sharedStore.state) {
var store$1 = sharedStore.state || (sharedStore.state = new WeakMap$2());
var wmget = functionUncurryThis(store$1.get);
var wmhas = functionUncurryThis(store$1.has);
var wmset = functionUncurryThis(store$1.set);
set = function (it, metadata) {
if (wmhas(store$1, it)) throw new TypeError$7(OBJECT_ALREADY_INITIALIZED);
metadata.facade = it;
wmset(store$1, it, metadata);
return metadata;
};
get = function (it) {
return wmget(store$1, it) || {};
};
has = function (it) {
return wmhas(store$1, it);
};
} else {
var STATE = sharedKey('state');
hiddenKeys[STATE] = true;
set = function (it, metadata) {
if (hasOwnProperty_1(it, STATE)) throw new TypeError$7(OBJECT_ALREADY_INITIALIZED);
metadata.facade = it;
createNonEnumerableProperty(it, STATE, metadata);
return metadata;
};
get = function (it) {
return hasOwnProperty_1(it, STATE) ? it[STATE] : {};
};
has = function (it) {
return hasOwnProperty_1(it, STATE);
};
}
var internalState = {
set: set,
get: get,
has: has,
enforce: enforce,
getterFor: getterFor
};
var makeBuiltIn_1 = createCommonjsModule(function (module) {
var CONFIGURABLE_FUNCTION_NAME = functionName.CONFIGURABLE;
var enforceInternalState = internalState.enforce;
var getInternalState = internalState.get;
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var defineProperty = Object.defineProperty;
var CONFIGURABLE_LENGTH = descriptors && !fails(function () {
return defineProperty(function () { /* empty */ }, 'length', { value: 8 }).length !== 8;
});
var TEMPLATE = String(String).split('String');
var makeBuiltIn = module.exports = function (value, name, options) {
if (String(name).slice(0, 7) === 'Symbol(') {
name = '[' + String(name).replace(/^Symbol\(([^)]*)\)/, '$1') + ']';
}
if (options && options.getter) name = 'get ' + name;
if (options && options.setter) name = 'set ' + name;
if (!hasOwnProperty_1(value, 'name') || (CONFIGURABLE_FUNCTION_NAME && value.name !== name)) {
defineProperty(value, 'name', { value: name, configurable: true });
}
if (CONFIGURABLE_LENGTH && options && hasOwnProperty_1(options, 'arity') && value.length !== options.arity) {
defineProperty(value, 'length', { value: options.arity });
}
if (options && hasOwnProperty_1(options, 'constructor') && options.constructor) {
if (descriptors) try {
defineProperty(value, 'prototype', { writable: false });
} catch (error) { /* empty */ }
} else value.prototype = undefined;
var state = enforceInternalState(value);
if (!hasOwnProperty_1(state, 'source')) {
state.source = TEMPLATE.join(typeof name == 'string' ? name : '');
} return value;
};
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
// eslint-disable-next-line no-extend-native -- required
Function.prototype.toString = makeBuiltIn(function toString() {
return isCallable(this) && getInternalState(this).source || inspectSource(this);
}, 'toString');
});
var defineBuiltIn = function (O, key, value, options) {
if (!options) options = {};
var simple = options.enumerable;
var name = options.name !== undefined ? options.name : key;
if (isCallable(value)) makeBuiltIn_1(value, name, options);
if (options.global) {
if (simple) O[key] = value;
else defineGlobalProperty(key, value);
} else {
if (!options.unsafe) delete O[key];
else if (O[key]) simple = true;
if (simple) O[key] = value;
else createNonEnumerableProperty(O, key, value);
} return O;
};
var toString$1 = functionUncurryThis({}.toString);
var stringSlice = functionUncurryThis(''.slice);
var classofRaw = function (it) {
return stringSlice(toString$1(it), 8, -1);
};
var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
var Object$3 = global_1.Object;
// 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 (error) { /* empty */ }
};
// getting tag from ES6+ `Object.prototype.toString`
var classof = toStringTagSupport ? classofRaw : function (it) {
var O, tag, result;
return it === undefined ? 'Undefined' : it === null ? 'Null'
// @@toStringTag case
: typeof (tag = tryGet(O = Object$3(it), TO_STRING_TAG$1)) == 'string' ? tag
// builtinTag case
: CORRECT_ARGUMENTS ? classofRaw(O)
// ES3 arguments fallback
: (result = classofRaw(O)) == 'Object' && isCallable(O.callee) ? 'Arguments' : result;
};
// `Object.prototype.toString` method implementation
// https://tc39.es/ecma262/#sec-object.prototype.tostring
var objectToString = toStringTagSupport ? {}.toString : function toString() {
return '[object ' + classof(this) + ']';
};
// `Object.prototype.toString` method
// https://tc39.es/ecma262/#sec-object.prototype.tostring
if (!toStringTagSupport) {
defineBuiltIn(Object.prototype, 'toString', objectToString, { unsafe: true });
}
// iterable DOM collections
// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
var domIterables = {
CSSRuleList: 0,
CSSStyleDeclaration: 0,
CSSValueList: 0,
ClientRectList: 0,
DOMRectList: 0,
DOMStringList: 0,
DOMTokenList: 1,
DataTransferItemList: 0,
FileList: 0,
HTMLAllCollection: 0,
HTMLCollection: 0,
HTMLFormElement: 0,
HTMLSelectElement: 0,
MediaList: 0,
MimeTypeArray: 0,
NamedNodeMap: 0,
NodeList: 1,
PaintRequestList: 0,
Plugin: 0,
PluginArray: 0,
SVGLengthList: 0,
SVGNumberList: 0,
SVGPathSegList: 0,
SVGPointList: 0,
SVGStringList: 0,
SVGTransformList: 0,
SourceBufferList: 0,
StyleSheetList: 0,
TextTrackCueList: 0,
TextTrackList: 0,
TouchList: 0
};
// in old WebKit versions, `element.classList` is not an instance of global `DOMTokenList`
var classList = documentCreateElement('span').classList;
var DOMTokenListPrototype = classList && classList.constructor && classList.constructor.prototype;
var domTokenListPrototype = DOMTokenListPrototype === Object.prototype ? undefined : DOMTokenListPrototype;
var bind$1 = functionUncurryThis(functionUncurryThis.bind);
// optional / simple context binding
var functionBindContext = function (fn, that) {
aCallable(fn);
return that === undefined ? fn : functionBindNative ? bind$1(fn, that) : function (/* ...args */) {
return fn.apply(that, arguments);
};
};
var Object$4 = global_1.Object;
var split = functionUncurryThis(''.split);
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var indexedObject = fails(function () {
// throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
// eslint-disable-next-line no-prototype-builtins -- safe
return !Object$4('z').propertyIsEnumerable(0);
}) ? function (it) {
return classofRaw(it) == 'String' ? split(it, '') : Object$4(it);
} : Object$4;
var ceil = Math.ceil;
var floor = Math.floor;
// `Math.trunc` method
// https://tc39.es/ecma262/#sec-math.trunc
// eslint-disable-next-line es-x/no-math-trunc -- safe
var mathTrunc = Math.trunc || function trunc(x) {
var n = +x;
return (n > 0 ? floor : ceil)(n);
};
// `ToIntegerOrInfinity` abstract operation
// https://tc39.es/ecma262/#sec-tointegerorinfinity
var toIntegerOrInfinity = function (argument) {
var number = +argument;
// eslint-disable-next-line no-self-compare -- NaN check
return number !== number || number === 0 ? 0 : mathTrunc(number);
};
var min = Math.min;
// `ToLength` abstract operation
// https://tc39.es/ecma262/#sec-tolength
var toLength = function (argument) {
return argument > 0 ? min(toIntegerOrInfinity(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
};
// `LengthOfArrayLike` abstract operation
// https://tc39.es/ecma262/#sec-lengthofarraylike
var lengthOfArrayLike = function (obj) {
return toLength(obj.length);
};
// `IsArray` abstract operation
// https://tc39.es/ecma262/#sec-isarray
// eslint-disable-next-line es-x/no-array-isarray -- safe
var isArray = Array.isArray || function isArray(argument) {
return classofRaw(argument) == 'Array';
};
var noop = function () { /* empty */ };
var empty = [];
var construct = getBuiltIn('Reflect', 'construct');
var constructorRegExp = /^\s*(?:class|function)\b/;
var exec = functionUncurryThis(constructorRegExp.exec);
var INCORRECT_TO_STRING = !constructorRegExp.exec(noop);
var isConstructorModern = function isConstructor(argument) {
if (!isCallable(argument)) return false;
try {
construct(noop, empty, argument);
return true;
} catch (error) {
return false;
}
};
var isConstructorLegacy = function isConstructor(argument) {
if (!isCallable(argument)) return false;
switch (classof(argument)) {
case 'AsyncFunction':
case 'GeneratorFunction':
case 'AsyncGeneratorFunction': return false;
}
try {
// we can't check .prototype since constructors produced by .bind haven't it
// `Function#toString` throws on some built-it function in some legacy engines
// (for example, `DOMQuad` and similar in FF41-)
return INCORRECT_TO_STRING || !!exec(constructorRegExp, inspectSource(argument));
} catch (error) {
return true;
}
};
isConstructorLegacy.sham = true;
// `IsConstructor` abstract operation
// https://tc39.es/ecma262/#sec-isconstructor
var isConstructor = !construct || fails(function () {
var called;
return isConstructorModern(isConstructorModern.call)
|| !isConstructorModern(Object)
|| !isConstructorModern(function () { called = true; })
|| called;
}) ? isConstructorLegacy : isConstructorModern;
var SPECIES = wellKnownSymbol('species');
var Array$1 = global_1.Array;
// a part of `ArraySpeciesCreate` abstract operation
// https://tc39.es/ecma262/#sec-arrayspeciescreate
var arraySpeciesConstructor = function (originalArray) {
var C;
if (isArray(originalArray)) {
C = originalArray.constructor;
// cross-realm fallback
if (isConstructor(C) && (C === Array$1 || isArray(C.prototype))) C = undefined;
else if (isObject(C)) {
C = C[SPECIES];
if (C === null) C = undefined;
}
} return C === undefined ? Array$1 : C;
};
// `ArraySpeciesCreate` abstract operation
// https://tc39.es/ecma262/#sec-arrayspeciescreate
var arraySpeciesCreate = function (originalArray, length) {
return new (arraySpeciesConstructor(originalArray))(length === 0 ? 0 : length);
};
var push = functionUncurryThis([].push);
// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex, filterReject }` methods implementation
var createMethod = function (TYPE) {
var IS_MAP = TYPE == 1;
var IS_FILTER = TYPE == 2;
var IS_SOME = TYPE == 3;
var IS_EVERY = TYPE == 4;
var IS_FIND_INDEX = TYPE == 6;
var IS_FILTER_REJECT = TYPE == 7;
var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
return function ($this, callbackfn, that, specificCreate) {
var O = toObject($this);
var self = indexedObject(O);
var boundFunction = functionBindContext(callbackfn, that);
var length = lengthOfArrayLike(self);
var index = 0;
var create = specificCreate || arraySpeciesCreate;
var target = IS_MAP ? create($this, length) : IS_FILTER || IS_FILTER_REJECT ? 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(target, value); // filter
} else switch (TYPE) {
case 4: return false; // every
case 7: push(target, value); // filterReject
}
}
}
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.filterReject` method
// https://github.com/tc39/proposal-array-filtering
filterReject: createMethod(7)
};
var arrayMethodIsStrict = function (METHOD_NAME, argument) {
var method = [][METHOD_NAME];
return !!method && fails(function () {
// eslint-disable-next-line no-useless-call -- required for testing
method.call(null, argument || function () { return 1; }, 1);
});
};
var $forEach = arrayIteration.forEach;
var STRICT_METHOD = arrayMethodIsStrict('forEach');
// `Array.prototype.forEach` method implementation
// https://tc39.es/ecma262/#sec-array.prototype.foreach
var arrayForEach = !STRICT_METHOD ? function forEach(callbackfn /* , thisArg */) {
return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
// eslint-disable-next-line es-x/no-array-prototype-foreach -- safe
} : [].forEach;
var handlePrototype = function (CollectionPrototype) {
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype && CollectionPrototype.forEach !== arrayForEach) try {
createNonEnumerableProperty(CollectionPrototype, 'forEach', arrayForEach);
} catch (error) {
CollectionPrototype.forEach = arrayForEach;
}
};
for (var COLLECTION_NAME in domIterables) {
if (domIterables[COLLECTION_NAME]) {
handlePrototype(global_1[COLLECTION_NAME] && global_1[COLLECTION_NAME].prototype);
}
}
handlePrototype(domTokenListPrototype);
var canUseDOM = !!(
typeof window !== 'undefined' &&
window.document &&
window.document.createElement
);
var canUseDom = canUseDOM;
var $propertyIsEnumerable = {}.propertyIsEnumerable;
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
// Nashorn ~ JDK8 bug
var NASHORN_BUG = getOwnPropertyDescriptor && !$propertyIsEnumerable.call({ 1: 2 }, 1);
// `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
var f$1 = NASHORN_BUG ? function propertyIsEnumerable(V) {
var descriptor = getOwnPropertyDescriptor(this, V);
return !!descriptor && descriptor.enumerable;
} : $propertyIsEnumerable;
var objectPropertyIsEnumerable = {
f: f$1
};
// toObject with fallback for non-array-like ES3 strings
var toIndexedObject = function (it) {
return indexedObject(requireObjectCoercible(it));
};
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var $getOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;
// `Object.getOwnPropertyDescriptor` method
// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
var f$2 = descriptors ? $getOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
O = toIndexedObject(O);
P = toPropertyKey(P);
if (ie8DomDefine) try {
return $getOwnPropertyDescriptor$1(O, P);
} catch (error) { /* empty */ }
if (hasOwnProperty_1(O, P)) return createPropertyDescriptor(!functionCall(objectPropertyIsEnumerable.f, O, P), O[P]);
};
var objectGetOwnPropertyDescriptor = {
f: f$2
};
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(integer, length).
var toAbsoluteIndex = function (index, length) {
var integer = toIntegerOrInfinity(index);
return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
};
// `Array.prototype.{ indexOf, includes }` methods implementation
var createMethod$1 = function (IS_INCLUDES) {
return function ($this, el, fromIndex) {
var O = toIndexedObject($this);
var length = lengthOfArrayLike(O);
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 indexOf = arrayIncludes.indexOf;
var push$1 = functionUncurryThis([].push);
var objectKeysInternal = function (object, names) {
var O = toIndexedObject(object);
var i = 0;
var result = [];
var key;
for (key in O) !hasOwnProperty_1(hiddenKeys, key) && hasOwnProperty_1(O, key) && push$1(result, key);
// Don't enum bug & hidden keys
while (names.length > i) if (hasOwnProperty_1(O, key = names[i++])) {
~indexOf(result, key) || push$1(result, key);
}
return result;
};
// IE8- don't enum bug keys
var enumBugKeys = [
'constructor',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'toLocaleString',
'toString',
'valueOf'
];
var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype');
// `Object.getOwnPropertyNames` method
// https://tc39.es/ecma262/#sec-object.getownpropertynames
// eslint-disable-next-line es-x/no-object-getownpropertynames -- safe
var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
return objectKeysInternal(O, hiddenKeys$1);
};
var objectGetOwnPropertyNames = {
f: f$3
};
// eslint-disable-next-line es-x/no-object-getownpropertysymbols -- safe
var f$4 = Object.getOwnPropertySymbols;
var objectGetOwnPropertySymbols = {
f: f$4
};
var concat = functionUncurryThis([].concat);
// all object keys, includes non-enumerable and symbols
var ownKeys = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
var keys = objectGetOwnPropertyNames.f(anObject(it));
var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
return getOwnPropertySymbols ? concat(keys, getOwnPropertySymbols(it)) : keys;
};
var copyConstructorProperties = function (target, source, exceptions) {
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 (!hasOwnProperty_1(target, key) && !(exceptions && hasOwnProperty_1(exceptions, 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
: isCallable(detection) ? 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$1 = 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.dontCallGetSet - prevent calling a getter on target
options.name - the .name of the function if it does not match the key
*/
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_1;
} else if (STATIC) {
target = global_1[TARGET] || defineGlobalProperty(TARGET, {});
} else {
target = (global_1[TARGET] || {}).prototype;
}
if (target) for (key in source) {
sourceProperty = source[key];
if (options.dontCallGetSet) {
descriptor = getOwnPropertyDescriptor$1(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)) {
createNonEnumerableProperty(sourceProperty, 'sham', true);
}
defineBuiltIn(target, key, sourceProperty, options);
}
};
var String$3 = global_1.String;
var toString_1 = function (argument) {
if (classof(argument) === 'Symbol') throw TypeError('Cannot convert a Symbol value to a string');
return String$3(argument);
};
// a string of all valid unicode whitespaces
var whitespaces = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002' +
'\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
var replace = functionUncurryThis(''.replace);
var whitespace = '[' + whitespaces + ']';
var ltrim = RegExp('^' + whitespace + whitespace + '*');
var rtrim = RegExp(whitespace + whitespace + '*$');
// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
var createMethod$2 = function (TYPE) {
return function ($this) {
var string = toString_1(requireObjectCoercible($this));
if (TYPE & 1) string = replace(string, ltrim, '');
if (TYPE & 2) string = replace(string, rtrim, '');
return string;
};
};
var stringTrim = {
// `String.prototype.{ trimLeft, trimStart }` methods
// https://tc39.es/ecma262/#sec-string.prototype.trimstart
start: createMethod$2(1),
// `String.prototype.{ trimRight, trimEnd }` methods
// https://tc39.es/ecma262/#sec-string.prototype.trimend
end: createMethod$2(2),
// `String.prototype.trim` method
// https://tc39.es/ecma262/#sec-string.prototype.trim
trim: createMethod$2(3)
};
var trim = stringTrim.trim;
var $parseInt = global_1.parseInt;
var Symbol$2 = global_1.Symbol;
var ITERATOR = Symbol$2 && Symbol$2.iterator;
var hex = /^[+-]?0x/i;
var exec$1 = functionUncurryThis(hex.exec);
var FORCED = $parseInt(whitespaces + '08') !== 8 || $parseInt(whitespaces + '0x16') !== 22
// MS Edge 18- broken with boxed symbols
|| (ITERATOR && !fails(function () { $parseInt(Object(ITERATOR)); }));
// `parseInt` method
// https://tc39.es/ecma262/#sec-parseint-string-radix
var numberParseInt = FORCED ? function parseInt(string, radix) {
var S = trim(toString_1(string));
return $parseInt(S, (radix >>> 0) || (exec$1(hex, S) ? 16 : 10));
} : $parseInt;
// `parseInt` method
// https://tc39.es/ecma262/#sec-parseint-string-radix
_export({ global: true, forced: parseInt != numberParseInt }, {
parseInt: numberParseInt
});
// `Object.keys` method
// https://tc39.es/ecma262/#sec-object.keys
// eslint-disable-next-line es-x/no-object-keys -- safe
var objectKeys = Object.keys || function keys(O) {
return objectKeysInternal(O, enumBugKeys);
};
// eslint-disable-next-line es-x/no-object-assign -- safe
var $assign = Object.assign;
// eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
var defineProperty$1 = Object.defineProperty;
var concat$1 = functionUncurryThis([].concat);
// `Object.assign` method
// https://tc39.es/ecma262/#sec-object.assign
var objectAssign = !$assign || fails(function () {
// should have correct order of operations (Edge bug)
if (descriptors && $assign({ b: 1 }, $assign(defineProperty$1({}, 'a', {
enumerable: true,
get: function () {
defineProperty$1(this, 'b', {
value: 3,
enumerable: false
});
}
}), { b: 2 })).b !== 1) return true;
// should work with symbols and should have deterministic property order (V8 bug)
var A = {};
var B = {};
// eslint-disable-next-line es-x/no-symbol -- safe
var symbol = Symbol();
var alphabet = 'abcdefghijklmnopqrst';
A[symbol] = 7;
alphabet.split('').forEach(function (chr) { B[chr] = chr; });
return $assign({}, A)[symbol] != 7 || objectKeys($assign({}, B)).join('') != alphabet;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars -- required for `.length`
var T = toObject(target);
var argumentsLength = arguments.length;
var index = 1;
var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
var propertyIsEnumerable = objectPropertyIsEnumerable.f;
while (argumentsLength > index) {
var S = indexedObject(arguments[index++]);
var keys = getOwnPropertySymbols ? concat$1(objectKeys(S), getOwnPropertySymbols(S)) : objectKeys(S);
var length = keys.length;
var j = 0;
var key;
while (length > j) {
key = keys[j++];
if (!descriptors || functionCall(propertyIsEnumerable, S, key)) T[key] = S[key];
}
} return T;
} : $assign;
// `Object.assign` method
// https://tc39.es/ecma262/#sec-object.assign
// eslint-disable-next-line es-x/no-object-assign -- required for testing
_export({ target: 'Object', stat: true, arity: 2, forced: Object.assign !== objectAssign }, {
assign: objectAssign
});
var SPECIES$1 = wellKnownSymbol('species');
var arrayMethodHasSpeciesSupport = 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 engineV8Version >= 51 || !fails(function () {
var array = [];
var constructor = array.constructor = {};
constructor[SPECIES$1] = function () {
return { foo: 1 };
};
return array[METHOD_NAME](Boolean).foo !== 1;
});
};
var $filter = arrayIteration.filter;
var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
// `Array.prototype.filter` method
// https://tc39.es/ecma262/#sec-array.prototype.filter
// with adding support of @@species
_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
filter: function filter(callbackfn /* , thisArg */) {
return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
}
});
// `Object.defineProperties` method
// https://tc39.es/ecma262/#sec-object.defineproperties
// eslint-disable-next-line es-x/no-object-defineproperties -- safe
var f$5 = descriptors && !v8PrototypeDefineBug ? Object.defineProperties : function defineProperties(O, Properties) {
anObject(O);
var props = toIndexedObject(Properties);
var keys = objectKeys(Properties);
var length = keys.length;
var index = 0;
var key;
while (length > index) objectDefineProperty.f(O, key = keys[index++], props[key]);
return O;
};
var objectDefineProperties = {
f: f$5
};
var html = getBuiltIn('document', 'documentElement');
/* global ActiveXObject -- old IE, WSH */
var GT = '>';
var LT = '<';
var PROTOTYPE = 'prototype';
var SCRIPT = 'script';
var IE_PROTO = sharedKey('IE_PROTO');
var EmptyConstructor = function () { /* empty */ };
var scriptTag = function (content) {
return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
};
// Create object with fake `null` prototype: use ActiveX Object with cleared prototype
var NullProtoObjectViaActiveX = function (activeXDocument) {
activeXDocument.write(scriptTag(''));
activeXDocument.close();
var temp = activeXDocument.parentWindow.Object;
activeXDocument = null; // avoid memory leak
return temp;
};
// Create object with fake `null` prototype: use iframe Object with cleared prototype
var NullProtoObjectViaIFrame = function () {
// Thrash, waste and sodomy: IE GC bug
var iframe = documentCreateElement('iframe');
var JS = 'java' + SCRIPT + ':';
var iframeDocument;
iframe.style.display = 'none';
html.appendChild(iframe);
// https://github.com/zloirock/core-js/issues/475
iframe.src = String(JS);
iframeDocument = iframe.contentWindow.document;
iframeDocument.open();
iframeDocument.write(scriptTag('document.F=Object'));
iframeDocument.close();
return iframeDocument.F;
};
// Check for document.domain and active x support
// No need to use active x approach when document.domain is not set
// see https://github.com/es-shims/es5-shim/issues/150
// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
// avoid IE GC bug
var activeXDocument;
var NullProtoObject = function () {
try {
activeXDocument = new ActiveXObject('htmlfile');
} catch (error) { /* ignore */ }
NullProtoObject = typeof document != 'undefined'
? document.domain && activeXDocument
? NullProtoObjectViaActiveX(activeXDocument) // old IE
: NullProtoObjectViaIFrame()
: NullProtoObjectViaActiveX(activeXDocument); // WSH
var length = enumBugKeys.length;
while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
return NullProtoObject();
};
hiddenKeys[IE_PROTO] = true;
// `Object.create` method
// https://tc39.es/ecma262/#sec-object.create
// eslint-disable-next-line es-x/no-object-create -- safe
var objectCreate = Object.create || function create(O, Properties) {
var result;
if (O !== null) {
EmptyConstructor[PROTOTYPE] = anObject(O);
result = new EmptyConstructor();
EmptyConstructor[PROTOTYPE] = null;
// add "__proto__" for Object.getPrototypeOf polyfill
result[IE_PROTO] = O;
} else result = NullProtoObject();
return Properties === undefined ? result : objectDefineProperties.f(result, Properties);
};
var defineProperty$2 = objectDefineProperty.f;
var UNSCOPABLES = wellKnownSymbol('unscopables');
var ArrayPrototype = Array.prototype;
// Array.prototype[@@unscopables]
// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
defineProperty$2(ArrayPrototype, UNSCOPABLES, {
configurable: true,
value: objectCreate(null)
});
}
// add a key to Array.prototype[@@unscopables]
var addToUnscopables = function (key) {
ArrayPrototype[UNSCOPABLES][key] = true;
};
var iterators = {};
var correctPrototypeGetter = !fails(function () {
function F() { /* empty */ }
F.prototype.constructor = null;
// eslint-disable-next-line es-x/no-object-getprototypeof -- required for testing
return Object.getPrototypeOf(new F()) !== F.prototype;
});
var IE_PROTO$1 = sharedKey('IE_PROTO');
var Object$5 = global_1.Object;
var ObjectPrototype = Object$5.prototype;
// `Object.getPrototypeOf` method
// https://tc39.es/ecma262/#sec-object.getprototypeof
var objectGetPrototypeOf = correctPrototypeGetter ? Object$5.getPrototypeOf : function (O) {
var object = toObject(O);
if (hasOwnProperty_1(object, IE_PROTO$1)) return object[IE_PROTO$1];
var constructor = object.constructor;
if (isCallable(constructor) && object instanceof constructor) {
return constructor.prototype;
} return object instanceof Object$5 ? ObjectPrototype : null;
};
var ITERATOR$1 = wellKnownSymbol('iterator');
var BUGGY_SAFARI_ITERATORS = false;
// `%IteratorPrototype%` object
// https://tc39.es/ecma262/#sec-%iteratorprototype%-object
var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
/* eslint-disable es-x/no-array-prototype-keys -- safe */
if ([].keys) {
arrayIterator = [].keys();
// Safari 8 has buggy iterators w/o `next`
if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;
else {
PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
}
}
var NEW_ITERATOR_PROTOTYPE = IteratorPrototype == undefined || fails(function () {
var test = {};
// FF44- legacy iterators case
return IteratorPrototype[ITERATOR$1].call(test) !== test;
});
if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype = {};
// `%IteratorPrototype%[@@iterator]()` method
// https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator
if (!isCallable(IteratorPrototype[ITERATOR$1])) {
defineBuiltIn(IteratorPrototype, ITERATOR$1, function () {
return this;
});
}
var iteratorsCore = {
IteratorPrototype: IteratorPrototype,
BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
};
var defineProperty$3 = objectDefineProperty.f;
var TO_STRING_TAG$2 = wellKnownSymbol('toStringTag');
var setToStringTag = function (target, TAG, STATIC) {
if (target && !STATIC) target = target.prototype;
if (target && !hasOwnProperty_1(target, TO_STRING_TAG$2)) {
defineProperty$3(target, TO_STRING_TAG$2, { configurable: true, value: TAG });
}
};
var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;
var returnThis = function () { return this; };
var createIteratorConstructor = function (IteratorConstructor, NAME, next, ENUMERABLE_NEXT) {
var TO_STRING_TAG = NAME + ' Iterator';
IteratorConstructor.prototype = objectCreate(IteratorPrototype$1, { next: createPropertyDescriptor(+!ENUMERABLE_NEXT, next) });
setToStringTag(IteratorConstructor, TO_STRING_TAG, false);
iterators[TO_STRING_TAG] = returnThis;
return IteratorConstructor;
};
var String$4 = global_1.String;
var TypeError$8 = global_1.TypeError;
var aPossiblePrototype = function (argument) {
if (typeof argument == 'object' || isCallable(argument)) return argument;
throw TypeError$8("Can't set " + String$4(argument) + ' as a prototype');
};
/* eslint-disable no-proto -- safe */
// `Object.setPrototypeOf` method
// https://tc39.es/ecma262/#sec-object.setprototypeof
// Works with __proto__ only. Old v8 can't work with null proto objects.
// eslint-disable-next-line es-x/no-object-setprototypeof -- safe
var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
var CORRECT_SETTER = false;
var test = {};
var setter;
try {
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
setter = functionUncurryThis(Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set);
setter(test, []);
CORRECT_SETTER = test instanceof Array;
} catch (error) { /* empty */ }
return function setPrototypeOf(O, proto) {
anObject(O);
aPossiblePrototype(proto);
if (CORRECT_SETTER) setter(O, proto);
else O.__proto__ = proto;
return O;
};
}() : undefined);
var PROPER_FUNCTION_NAME = functionName.PROPER;
var CONFIGURABLE_FUNCTION_NAME = functionName.CONFIGURABLE;
var IteratorPrototype$2 = iteratorsCore.IteratorPrototype;
var BUGGY_SAFARI_ITERATORS$1 = iteratorsCore.BUGGY_SAFARI_ITERATORS;
var ITERATOR$2 = wellKnownSymbol('iterator');
var KEYS = 'keys';
var VALUES = 'values';
var ENTRIES = 'entries';
var returnThis$1 = function () { return this; };
var defineIterator = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
createIteratorConstructor(IteratorConstructor, NAME, next);
var getIterationMethod = function (KIND) {
if (KIND === DEFAULT && defaultIterator) return defaultIterator;
if (!BUGGY_SAFARI_ITERATORS$1 && KIND in IterablePrototype) return IterablePrototype[KIND];
switch (KIND) {
case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
} return function () { return new IteratorConstructor(this); };
};
var TO_STRING_TAG = NAME + ' Iterator';
var INCORRECT_VALUES_NAME = false;
var IterablePrototype = Iterable.prototype;
var nativeIterator = IterablePrototype[ITERATOR$2]
|| IterablePrototype['@@iterator']
|| DEFAULT && IterablePrototype[DEFAULT];
var defaultIterator = !BUGGY_SAFARI_ITERATORS$1 && nativeIterator || getIterationMethod(DEFAULT);
var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
var CurrentIteratorPrototype, methods, KEY;
// fix native
if (anyNativeIterator) {
CurrentIteratorPrototype = objectGetPrototypeOf(anyNativeIterator.call(new Iterable()));
if (CurrentIteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
if ( objectGetPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype$2) {
if (objectSetPrototypeOf) {
objectSetPrototypeOf(CurrentIteratorPrototype, IteratorPrototype$2);
} else if (!isCallable(CurrentIteratorPrototype[ITERATOR$2])) {
defineBuiltIn(CurrentIteratorPrototype, ITERATOR$2, returnThis$1);
}
}
// Set @@toStringTag to native iterators
setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true);
}
}
// fix Array.prototype.{ values, @@iterator }.name in V8 / FF
if (PROPER_FUNCTION_NAME && DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
if ( CONFIGURABLE_FUNCTION_NAME) {
createNonEnumerableProperty(IterablePrototype, 'name', VALUES);
} else {
INCORRECT_VALUES_NAME = true;
defaultIterator = function values() { return functionCall(nativeIterator, this); };
}
}
// export additional methods
if (DEFAULT) {
methods = {
values: getIterationMethod(VALUES),
keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
entries: getIterationMethod(ENTRIES)
};
if (FORCED) for (KEY in methods) {
if (BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
defineBuiltIn(IterablePrototype, KEY, methods[KEY]);
}
} else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME }, methods);
}
// define iterator
if ( IterablePrototype[ITERATOR$2] !== defaultIterator) {
defineBuiltIn(IterablePrototype, ITERATOR$2, defaultIterator, { name: DEFAULT });
}
iterators[NAME] = defaultIterator;
return methods;
};
var defineProperty$4 = objectDefineProperty.f;
var ARRAY_ITERATOR = 'Array Iterator';
var setInternalState = internalState.set;
var getInternalState = internalState.getterFor(ARRAY_ITERATOR);
// `Array.prototype.entries` method
// https://tc39.es/ecma262/#sec-array.prototype.entries
// `Array.prototype.keys` method
// https://tc39.es/ecma262/#sec-array.prototype.keys
// `Array.prototype.values` method
// https://tc39.es/ecma262/#sec-array.prototype.values
// `Array.prototype[@@iterator]` method
// https://tc39.es/ecma262/#sec-array.prototype-@@iterator
// `CreateArrayIterator` internal method
// https://tc39.es/ecma262/#sec-createarrayiterator
var es_array_iterator = defineIterator(Array, 'Array', function (iterated, kind) {
setInternalState(this, {
type: ARRAY_ITERATOR,
target: toIndexedObject(iterated), // target
index: 0, // next index
kind: kind // kind
});
// `%ArrayIteratorPrototype%.next` method
// https://tc39.es/ecma262/#sec-%arrayiteratorprototype%.next
}, function () {
var state = getInternalState(this);
var target = state.target;
var kind = state.kind;
var index = state.index++;
if (!target || index >= target.length) {
state.target = undefined;
return { value: undefined, done: true };
}
if (kind == 'keys') return { value: index, done: false };
if (kind == 'values') return { value: target[index], done: false };
return { value: [index, target[index]], done: false };
}, 'values');
// argumentsList[@@iterator] is %ArrayProto_values%
// https://tc39.es/ecma262/#sec-createunmappedargumentsobject
// https://tc39.es/ecma262/#sec-createmappedargumentsobject
var values = iterators.Arguments = iterators.Array;
// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables('keys');
addToUnscopables('values');
addToUnscopables('entries');
// V8 ~ Chrome 45- bug
if ( descriptors && values.name !== 'values') try {
defineProperty$4(values, 'name', { value: 'values' });
} catch (error) { /* empty */ }
var charAt = functionUncurryThis(''.charAt);
var charCodeAt = functionUncurryThis(''.charCodeAt);
var stringSlice$1 = functionUncurryThis(''.slice);
var createMethod$3 = function (CONVERT_TO_STRING) {
return function ($this, pos) {
var S = toString_1(requireObjectCoercible($this));
var position = toIntegerOrInfinity(pos);
var size = S.length;
var first, second;
if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
first = charCodeAt(S, position);
return first < 0xD800 || first > 0xDBFF || position + 1 === size
|| (second = charCodeAt(S, position + 1)) < 0xDC00 || second > 0xDFFF
? CONVERT_TO_STRING
? charAt(S, position)
: first
: CONVERT_TO_STRING
? stringSlice$1(S, position, position + 2)
: (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
};
};
var stringMultibyte = {
// `String.prototype.codePointAt` method
// https://tc39.es/ecma262/#sec-string.prototype.codepointat
codeAt: createMethod$3(false),
// `String.prototype.at` method
// https://github.com/mathiasbynens/String.prototype.at
charAt: createMethod$3(true)
};
var charAt$1 = stringMultibyte.charAt;
var STRING_ITERATOR = 'String Iterator';
var setInternalState$1 = internalState.set;
var getInternalState$1 = internalState.getterFor(STRING_ITERATOR);
// `String.prototype[@@iterator]` method
// https://tc39.es/ecma262/#sec-string.prototype-@@iterator
defineIterator(String, 'String', function (iterated) {
setInternalState$1(this, {
type: STRING_ITERATOR,
string: toString_1(iterated),
index: 0
});
// `%StringIteratorPrototype%.next` method
// https://tc39.es/ecma262/#sec-%stringiteratorprototype%.next
}, function next() {
var state = getInternalState$1(this);
var string = state.string;
var index = state.index;
var point;
if (index >= string.length) return { value: undefined, done: true };
point = charAt$1(string, index);
state.index += point.length;
return { value: point, done: false };
});
var defineBuiltIns = function (target, src, options) {
for (var key in src) defineBuiltIn(target, key, src[key], options);
return target;
};
var createProperty = function (object, key, value) {
var propertyKey = toPropertyKey(key);
if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
else object[propertyKey] = value;
};
var Array$2 = global_1.Array;
var max$1 = Math.max;
var arraySliceSimple = function (O, start, end) {
var length = lengthOfArrayLike(O);
var k = toAbsoluteIndex(start, length);
var fin = toAbsoluteIndex(end === undefined ? length : end, length);
var result = Array$2(max$1(fin - k, 0));
for (var n = 0; k < fin; k++, n++) createProperty(result, n, O[k]);
result.length = n;
return result;
};
/* eslint-disable es-x/no-object-getownpropertynames -- safe */
var $getOwnPropertyNames = objectGetOwnPropertyNames.f;
var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
? Object.getOwnPropertyNames(window) : [];
var getWindowNames = function (it) {
try {
return $getOwnPropertyNames(it);
} catch (error) {
return arraySliceSimple(windowNames);
}
};
// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
var f$6 = function getOwnPropertyNames(it) {
return windowNames && classofRaw(it) == 'Window'
? getWindowNames(it)
: $getOwnPropertyNames(toIndexedObject(it));
};
var objectGetOwnPropertyNamesExternal = {
f: f$6
};
// FF26- bug: ArrayBuffers are non-extensible, but Object.isExtensible does not report it
var arrayBufferNonExtensible = fails(function () {
if (typeof ArrayBuffer == 'function') {
var buffer = new ArrayBuffer(8);
// eslint-disable-next-line es-x/no-object-isextensible, es-x/no-object-defineproperty -- safe
if (Object.isExtensible(buffer)) Object.defineProperty(buffer, 'a', { value: 8 });
}
});
// eslint-disable-next-line es-x/no-object-isextensible -- safe
var $isExtensible = Object.isExtensible;
var FAILS_ON_PRIMITIVES = fails(function () { $isExtensible(1); });
// `Object.isExtensible` method
// https://tc39.es/ecma262/#sec-object.isextensible
var objectIsExtensible = (FAILS_ON_PRIMITIVES || arrayBufferNonExtensible) ? function isExtensible(it) {
if (!isObject(it)) return false;
if (arrayBufferNonExtensible && classofRaw(it) == 'ArrayBuffer') return false;
return $isExtensible ? $isExtensible(it) : true;
} : $isExtensible;
var freezing = !fails(function () {
// eslint-disable-next-line es-x/no-object-isextensible, es-x/no-object-preventextensions -- required for testing
return Object.isExtensible(Object.preventExtensions({}));
});
var internalMetadata = createCommonjsModule(function (module) {
var defineProperty = objectDefineProperty.f;
var REQUIRED = false;
var METADATA = uid('meta');
var id = 0;
var setMetadata = function (it) {
defineProperty(it, METADATA, { value: {
objectID: 'O' + id++, // object ID
weakData: {} // weak collections IDs
} });
};
var fastKey = function (it, create) {
// return a primitive with prefix
if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
if (!hasOwnProperty_1(it, METADATA)) {
// can't set metadata to uncaught frozen object
if (!objectIsExtensible(it)) return 'F';
// not necessary to add metadata
if (!create) return 'E';
// add missing metadata
setMetadata(it);
// return object ID
} return it[METADATA].objectID;
};
var getWeakData = function (it, create) {
if (!hasOwnProperty_1(it, METADATA)) {
// can't set metadata to uncaught frozen object
if (!objectIsExtensible(it)) return true;
// not necessary to add metadata
if (!create) return false;
// add missing metadata
setMetadata(it);
// return the store of weak collections IDs
} return it[METADATA].weakData;
};
// add metadata on freeze-family methods calling
var onFreeze = function (it) {
if (freezing && REQUIRED && objectIsExtensible(it) && !hasOwnProperty_1(it, METADATA)) setMetadata(it);
return it;
};
var enable = function () {
meta.enable = function () { /* empty */ };
REQUIRED = true;
var getOwnPropertyNames = objectGetOwnPropertyNames.f;
var splice = functionUncurryThis([].splice);
var test = {};
test[METADATA] = 1;
// prevent exposing of metadata key
if (getOwnPropertyNames(test).length) {
objectGetOwnPropertyNames.f = function (it) {
var result = getOwnPropertyNames(it);
for (var i = 0, length = result.length; i < length; i++) {
if (result[i] === METADATA) {
splice(result, i, 1);
break;
}
} return result;
};
_export({ target: 'Object', stat: true, forced: true }, {
getOwnPropertyNames: objectGetOwnPropertyNamesExternal.f
});
}
};
var meta = module.exports = {
enable: enable,
fastKey: fastKey,
getWeakData: getWeakData,
onFreeze: onFreeze
};
hiddenKeys[METADATA] = true;
});
var internalMetadata_1 = internalMetadata.enable;
var internalMetadata_2 = internalMetadata.fastKey;
var internalMetadata_3 = internalMetadata.getWeakData;
var internalMetadata_4 = internalMetadata.onFreeze;
var ITERATOR$3 = wellKnownSymbol('iterator');
var ArrayPrototype$1 = Array.prototype;
// check on default Array iterator
var isArrayIteratorMethod = function (it) {
return it !== undefined && (iterators.Array === it || ArrayPrototype$1[ITERATOR$3] === it);
};
var ITERATOR$4 = wellKnownSymbol('iterator');
var getIteratorMethod = function (it) {
if (it != undefined) return getMethod(it, ITERATOR$4)
|| getMethod(it, '@@iterator')
|| iterators[classof(it)];
};
var TypeError$9 = global_1.TypeError;
var getIterator = function (argument, usingIterator) {
var iteratorMethod = arguments.length < 2 ? getIteratorMethod(argument) : usingIterator;
if (aCallable(iteratorMethod)) return anObject(functionCall(iteratorMethod, argument));
throw TypeError$9(tryToString(argument) + ' is not iterable');
};
var iteratorClose = function (iterator, kind, value) {
var innerResult, innerError;
anObject(iterator);
try {
innerResult = getMethod(iterator, 'return');
if (!innerResult) {
if (kind === 'throw') throw value;
return value;
}
innerResult = functionCall(innerResult, iterator);
} catch (error) {
innerError = true;
innerResult = error;
}
if (kind === 'throw') throw value;
if (innerError) throw innerResult;
anObject(innerResult);
return value;
};
var TypeError$a = global_1.TypeError;
var Result = function (stopped, result) {
this.stopped = stopped;
this.result = result;
};
var ResultPrototype = Result.prototype;
var iterate = function (iterable, unboundFunction, options) {
var that = options && options.that;
var AS_ENTRIES = !!(options && options.AS_ENTRIES);
var IS_ITERATOR = !!(options && options.IS_ITERATOR);
var INTERRUPTED = !!(options && options.INTERRUPTED);
var fn = functionBindContext(unboundFunction, that);
var iterator, iterFn, index, length, result, next, step;
var stop = function (condition) {
if (iterator) iteratorClose(iterator, 'normal', condition);
return new Result(true, condition);
};
var callFn = function (value) {
if (AS_ENTRIES) {
anObject(value);
return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
} return INTERRUPTED ? fn(value, stop) : fn(value);
};
if (IS_ITERATOR) {
iterator = iterable;
} else {
iterFn = getIteratorMethod(iterable);
if (!iterFn) throw TypeError$a(tryToString(iterable) + ' is not iterable');
// optimisation for array iterators
if (isArrayIteratorMethod(iterFn)) {
for (index = 0, length = lengthOfArrayLike(iterable); length > index; index++) {
result = callFn(iterable[index]);
if (result && objectIsPrototypeOf(ResultPrototype, result)) return result;
} return new Result(false);
}
iterator = getIterator(iterable, iterFn);
}
next = iterator.next;
while (!(step = functionCall(next, iterator)).done) {
try {
result = callFn(step.value);
} catch (error) {
iteratorClose(iterator, 'throw', error);
}
if (typeof result == 'object' && result && objectIsPrototypeOf(ResultPrototype, result)) return result;
} return new Result(false);
};
var TypeError$b = global_1.TypeError;
var anInstance = function (it, Prototype) {
if (objectIsPrototypeOf(Prototype, it)) return it;
throw TypeError$b('Incorrect invocation');
};
var ITERATOR$5 = wellKnownSymbol('iterator');
var SAFE_CLOSING = false;
try {
var called = 0;
var iteratorWithReturn = {
next: function () {
return { done: !!called++ };
},
'return': function () {
SAFE_CLOSING = true;
}
};
iteratorWithReturn[ITERATOR$5] = function () {
return this;
};
// eslint-disable-next-line es-x/no-array-from, no-throw-literal -- required for testing
Array.from(iteratorWithReturn, function () { throw 2; });
} catch (error) { /* empty */ }
var checkCorrectnessOfIteration = function (exec, SKIP_CLOSING) {
if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
var ITERATION_SUPPORT = false;
try {
var object = {};
object[ITERATOR$5] = function () {
return {
next: function () {
return { done: ITERATION_SUPPORT = true };
}
};
};
exec(object);
} catch (error) { /* empty */ }
return ITERATION_SUPPORT;
};
// makes subclassing work correct for wrapped built-ins
var inheritIfRequired = function ($this, dummy, Wrapper) {
var NewTarget, NewTargetPrototype;
if (
// it can work only with native `setPrototypeOf`
objectSetPrototypeOf &&
// we haven't completely correct pre-ES6 way for getting `new.target`, so use this
isCallable(NewTarget = dummy.constructor) &&
NewTarget !== Wrapper &&
isObject(NewTargetPrototype = NewTarget.prototype) &&
NewTargetPrototype !== Wrapper.prototype
) objectSetPrototypeOf($this, NewTargetPrototype);
return $this;
};
var collection = function (CONSTRUCTOR_NAME, wrapper, common) {
var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
var ADDER = IS_MAP ? 'set' : 'add';
var NativeConstructor = global_1[CONSTRUCTOR_NAME];
var NativePrototype = NativeConstructor && NativeConstructor.prototype;
var Constructor = NativeConstructor;
var exported = {};
var fixMethod = function (KEY) {
var uncurriedNativeMethod = functionUncurryThis(NativePrototype[KEY]);
defineBuiltIn(NativePrototype, KEY,
KEY == 'add' ? function add(value) {
uncurriedNativeMethod(this, value === 0 ? 0 : value);
return this;
} : KEY == 'delete' ? function (key) {
return IS_WEAK && !isObject(key) ? false : uncurriedNativeMethod(this, key === 0 ? 0 : key);
} : KEY == 'get' ? function get(key) {
return IS_WEAK && !isObject(key) ? undefined : uncurriedNativeMethod(this, key === 0 ? 0 : key);
} : KEY == 'has' ? function has(key) {
return IS_WEAK && !isObject(key) ? false : uncurriedNativeMethod(this, key === 0 ? 0 : key);
} : function set(key, value) {
uncurriedNativeMethod(this, key === 0 ? 0 : key, value);
return this;
}
);
};
var REPLACE = isForced_1(
CONSTRUCTOR_NAME,
!isCallable(NativeConstructor) || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
new NativeConstructor().entries().next();
}))
);
if (REPLACE) {
// create collection constructor
Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
internalMetadata.enable();
} else if (isForced_1(CONSTRUCTOR_NAME, true)) {
var instance = new Constructor();
// early implementations not supports chaining
var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
// V8 ~ Chromium 40- weak-collections throws on primitives, but should return false
var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });
// most early implementations doesn't supports iterables, most modern - not close it correctly
// eslint-disable-next-line no-new -- required for testing
var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });
// for early implementations -0 and +0 not the same
var BUGGY_ZERO = !IS_WEAK && fails(function () {
// V8 ~ Chromium 42- fails only with 5+ elements
var $instance = new NativeConstructor();
var index = 5;
while (index--) $instance[ADDER](index, index);
return !$instance.has(-0);
});
if (!ACCEPT_ITERABLES) {
Constructor = wrapper(function (dummy, iterable) {
anInstance(dummy, NativePrototype);
var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });
return that;
});
Constructor.prototype = NativePrototype;
NativePrototype.constructor = Constructor;
}
if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
fixMethod('delete');
fixMethod('has');
IS_MAP && fixMethod('get');
}
if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);
// weak collections should not contains .clear method
if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;
}
exported[CONSTRUCTOR_NAME] = Constructor;
_export({ global: true, constructor: true, forced: Constructor != NativeConstructor }, exported);
setToStringTag(Constructor, CONSTRUCTOR_NAME);
if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
return Constructor;
};
var getWeakData = internalMetadata.getWeakData;
var setInternalState$2 = internalState.set;
var internalStateGetterFor = internalState.getterFor;
var find = arrayIteration.find;
var findIndex = arrayIteration.findIndex;
var splice = functionUncurryThis([].splice);
var id$1 = 0;
// fallback for uncaught frozen keys
var uncaughtFrozenStore = function (store) {
return store.frozen || (store.frozen = new UncaughtFrozenStore());
};
var UncaughtFrozenStore = function () {
this.entries = [];
};
var findUncaughtFrozen = function (store, key) {
return find(store.entries, function (it) {
return it[0] === key;
});
};
UncaughtFrozenStore.prototype = {
get: function (key) {
var entry = findUncaughtFrozen(this, key);
if (entry) return entry[1];
},
has: function (key) {
return !!findUncaughtFrozen(this, key);
},
set: function (key, value) {
var entry = findUncaughtFrozen(this, key);
if (entry) entry[1] = value;
else this.entries.push([key, value]);
},
'delete': function (key) {
var index = findIndex(this.entries, function (it) {
return it[0] === key;
});
if (~index) splice(this.entries, index, 1);
return !!~index;
}
};
var collectionWeak = {
getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
var Constructor = wrapper(function (that, iterable) {
anInstance(that, Prototype);
setInternalState$2(that, {
type: CONSTRUCTOR_NAME,
id: id$1++,
frozen: undefined
});
if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });
});
var Prototype = Constructor.prototype;
var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
var define = function (that, key, value) {
var state = getInternalState(that);
var data = getWeakData(anObject(key), true);
if (data === true) uncaughtFrozenStore(state).set(key, value);
else data[state.id] = value;
return that;
};
defineBuiltIns(Prototype, {
// `{ WeakMap, WeakSet }.prototype.delete(key)` methods
// https://tc39.es/ecma262/#sec-weakmap.prototype.delete
// https://tc39.es/ecma262/#sec-weakset.prototype.delete
'delete': function (key) {
var state = getInternalState(this);
if (!isObject(key)) return false;
var data = getWeakData(key);
if (data === true) return uncaughtFrozenStore(state)['delete'](key);
return data && hasOwnProperty_1(data, state.id) && delete data[state.id];
},
// `{ WeakMap, WeakSet }.prototype.has(key)` methods
// https://tc39.es/ecma262/#sec-weakmap.prototype.has
// https://tc39.es/ecma262/#sec-weakset.prototype.has
has: function has(key) {
var state = getInternalState(this);
if (!isObject(key)) return false;
var data = getWeakData(key);
if (data === true) return uncaughtFrozenStore(state).has(key);
return data && hasOwnProperty_1(data, state.id);
}
});
defineBuiltIns(Prototype, IS_MAP ? {
// `WeakMap.prototype.get(key)` method
// https://tc39.es/ecma262/#sec-weakmap.prototype.get
get: function get(key) {
var state = getInternalState(this);
if (isObject(key)) {
var data = getWeakData(key);
if (data === true) return uncaughtFrozenStore(state).get(key);
return data ? data[state.id] : undefined;
}
},
// `WeakMap.prototype.set(key, value)` method
// https://tc39.es/ecma262/#sec-weakmap.prototype.set
set: function set(key, value) {
return define(this, key, value);
}
} : {
// `WeakSet.prototype.add(value)` method
// https://tc39.es/ecma262/#sec-weakset.prototype.add
add: function add(value) {
return define(this, value, true);
}
});
return Constructor;
}
};
var enforceInternalState = internalState.enforce;
var IS_IE11 = !global_1.ActiveXObject && 'ActiveXObject' in global_1;
var InternalWeakMap;
var wrapper = function (init) {
return function WeakMap() {
return init(this, arguments.length ? arguments[0] : undefined);
};
};
// `WeakMap` constructor
// https://tc39.es/ecma262/#sec-weakmap-constructor
var $WeakMap = collection('WeakMap', wrapper, collectionWeak);
// IE11 WeakMap frozen keys fix
// We can't use feature detection because it crash some old IE builds
// https://github.com/zloirock/core-js/issues/485
if (nativeWeakMap && IS_IE11) {
InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
internalMetadata.enable();
var WeakMapPrototype = $WeakMap.prototype;
var nativeDelete = functionUncurryThis(WeakMapPrototype['delete']);
var nativeHas = functionUncurryThis(WeakMapPrototype.has);
var nativeGet = functionUncurryThis(WeakMapPrototype.get);
var nativeSet = functionUncurryThis(WeakMapPrototype.set);
defineBuiltIns(WeakMapPrototype, {
'delete': function (key) {
if (isObject(key) && !objectIsExtensible(key)) {
var state = enforceInternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeDelete(this, key) || state.frozen['delete'](key);
} return nativeDelete(this, key);
},
has: function has(key) {
if (isObject(key) && !objectIsExtensible(key)) {
var state = enforceInternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeHas(this, key) || state.frozen.has(key);
} return nativeHas(this, key);
},
get: function get(key) {
if (isObject(key) && !objectIsExtensible(key)) {
var state = enforceInternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeHas(this, key) ? nativeGet(this, key) : state.frozen.get(key);
} return nativeGet(this, key);
},
set: function set(key, value) {
if (isObject(key) && !objectIsExtensible(key)) {
var state = enforceInternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
nativeHas(this, key) ? nativeSet(this, key, value) : state.frozen.set(key, value);
} else nativeSet(this, key, value);
return this;
}
});
}
var ITERATOR$6 = wellKnownSymbol('iterator');
var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');
var ArrayValues = es_array_iterator.values;
var handlePrototype$1 = function (CollectionPrototype, COLLECTION_NAME) {
if (CollectionPrototype) {
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype[ITERATOR$6] !== ArrayValues) try {
createNonEnumerableProperty(CollectionPrototype, ITERATOR$6, ArrayValues);
} catch (error) {
CollectionPrototype[ITERATOR$6] = ArrayValues;
}
if (!CollectionPrototype[TO_STRING_TAG$3]) {
createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG$3, COLLECTION_NAME);
}
if (domIterables[COLLECTION_NAME]) for (var METHOD_NAME in es_array_iterator) {
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype[METHOD_NAME] !== es_array_iterator[METHOD_NAME]) try {
createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, es_array_iterator[METHOD_NAME]);
} catch (error) {
CollectionPrototype[METHOD_NAME] = es_array_iterator[METHOD_NAME];
}
}
}
};
for (var COLLECTION_NAME$1 in domIterables) {
handlePrototype$1(global_1[COLLECTION_NAME$1] && global_1[COLLECTION_NAME$1].prototype, COLLECTION_NAME$1);
}
handlePrototype$1(domTokenListPrototype, 'DOMTokenList');
/**
* lodash (Custom Build)
* Build: `lodash modularize exports="npm" -o ./`
* Copyright jQuery Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';
/** Used as references for various `Number` constants. */
var NAN = 0 / 0;
/** `Object#toString` result references. */
var symbolTag = '[object Symbol]';
/** Used to match leading and trailing whitespace. */
var reTrim = /^\s+|\s+$/g;
/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
/** Used to detect binary string values. */
var reIsBinary = /^0b[01]+$/i;
/** Used to detect octal string values. */
var reIsOctal = /^0o[0-7]+$/i;
/** Built-in method references without a dependency on `root`. */
var freeParseInt = parseInt;
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();
/** Used for built-in method references. */
var objectProto = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var objectToString$1 = objectProto.toString;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max,
nativeMin = Math.min;
/**
* Gets the timestamp of the number of milliseconds that have elapsed since
* the Unix epoch (1 January 1970 00:00:00 UTC).
*
* @static
* @memberOf _
* @since 2.4.0
* @category Date
* @returns {number} Returns the timestamp.
* @example
*
* _.defer(function(stamp) {
* console.log(_.now() - stamp);
* }, _.now());
* // => Logs the number of milliseconds it took for the deferred invocation.
*/
var now = function() {
return root.Date.now();
};
/**
* Creates a debounced function that delays invoking `func` until after `wait`
* milliseconds have elapsed since the last time the debounced function was
* invoked. The debounced function comes with a `cancel` method to cancel
* delayed `func` invocations and a `flush` method to immediately invoke them.
* Provide `options` to indicate whether `func` should be invoked on the
* leading and/or trailing edge of the `wait` timeout. The `func` is invoked
* with the last arguments provided to the debounced function. Subsequent
* calls to the debounced function return the result of the last `func`
* invocation.
*
* **Note:** If `leading` and `trailing` options are `true`, `func` is
* invoked on the trailing edge of the timeout only if the debounced function
* is invoked more than once during the `wait` timeout.
*
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
*
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
* for details over the differences between `_.debounce` and `_.throttle`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to debounce.
* @param {number} [wait=0] The number of milliseconds to delay.
* @param {Object} [options={}] The options object.
* @param {boolean} [options.leading=false]
* Specify invoking on the leading edge of the timeout.
* @param {number} [options.maxWait]
* The maximum time `func` is allowed to be delayed before it's invoked.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new debounced function.
* @example
*
* // Avoid costly calculations while the window size is in flux.
* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
*
* // Invoke `sendMail` when clicked, debouncing subsequent calls.
* jQuery(element).on('click', _.debounce(sendMail, 300, {
* 'leading': true,
* 'trailing': false
* }));
*
* // Ensure `batchLog` is invoked once after 1 second of debounced calls.
* var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
* var source = new EventSource('/stream');
* jQuery(source).on('message', debounced);
*
* // Cancel the trailing debounced invocation.
* jQuery(window).on('popstate', debounced.cancel);
*/
function debounce(func, wait, options) {
var lastArgs,
lastThis,
maxWait,
result,
timerId,
lastCallTime,
lastInvokeTime = 0,
leading = false,
maxing = false,
trailing = true;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
wait = toNumber(wait) || 0;
if (isObject$1(options)) {
leading = !!options.leading;
maxing = 'maxWait' in options;
maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}
function invokeFunc(time) {
var args = lastArgs,
thisArg = lastThis;
lastArgs = lastThis = undefined;
lastInvokeTime = time;
result = func.apply(thisArg, args);
return result;
}
function leadingEdge(time) {
// Reset any `maxWait` timer.
lastInvokeTime = time;
// Start the timer for the trailing edge.
timerId = setTimeout(timerExpired, wait);
// Invoke the leading edge.
return leading ? invokeFunc(time) : result;
}
function remainingWait(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime,
result = wait - timeSinceLastCall;
return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
}
function shouldInvoke(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime;
// Either this is the first call, activity has stopped and we're at the
// trailing edge, the system time has gone backwards and we're treating
// it as the trailing edge, or we've hit the `maxWait` limit.
return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
(timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
}
function timerExpired() {
var time = now();
if (shouldInvoke(time)) {
return trailingEdge(time);
}
// Restart the timer.
timerId = setTimeout(timerExpired, remainingWait(time));
}
function trailingEdge(time) {
timerId = undefined;
// Only invoke if we have `lastArgs` which means `func` has been
// debounced at least once.
if (trailing && lastArgs) {
return invokeFunc(time);
}
lastArgs = lastThis = undefined;
return result;
}
function cancel() {
if (timerId !== undefined) {
clearTimeout(timerId);
}
lastInvokeTime = 0;
lastArgs = lastCallTime = lastThis = timerId = undefined;
}
function flush() {
return timerId === undefined ? result : trailingEdge(now());
}
function debounced() {
var time = now(),
isInvoking = shouldInvoke(time);
lastArgs = arguments;
lastThis = this;
lastCallTime = time;
if (isInvoking) {
if (timerId === undefined) {
return leadingEdge(lastCallTime);
}
if (maxing) {
// Handle invocations in a tight loop.
timerId = setTimeout(timerExpired, wait);
return invokeFunc(lastCallTime);
}
}
if (timerId === undefined) {
timerId = setTimeout(timerExpired, wait);
}
return result;
}
debounced.cancel = cancel;
debounced.flush = flush;
return debounced;
}
/**
* Creates a throttled function that only invokes `func` at most once per
* every `wait` milliseconds. The throttled function comes with a `cancel`
* method to cancel delayed `func` invocations and a `flush` method to
* immediately invoke them. Provide `options` to indicate whether `func`
* should be invoked on the leading and/or trailing edge of the `wait`
* timeout. The `func` is invoked with the last arguments provided to the
* throttled function. Subsequent calls to the throttled function return the
* result of the last `func` invocation.
*
* **Note:** If `leading` and `trailing` options are `true`, `func` is
* invoked on the trailing edge of the timeout only if the throttled function
* is invoked more than once during the `wait` timeout.
*
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
*
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
* for details over the differences between `_.throttle` and `_.debounce`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to throttle.
* @param {number} [wait=0] The number of milliseconds to throttle invocations to.
* @param {Object} [options={}] The options object.
* @param {boolean} [options.leading=true]
* Specify invoking on the leading edge of the timeout.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new throttled function.
* @example
*
* // Avoid excessively updating the position while scrolling.
* jQuery(window).on('scroll', _.throttle(updatePosition, 100));
*
* // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
* var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
* jQuery(element).on('click', throttled);
*
* // Cancel the trailing throttled invocation.
* jQuery(window).on('popstate', throttled.cancel);
*/
function throttle(func, wait, options) {
var leading = true,
trailing = true;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
if (isObject$1(options)) {
leading = 'leading' in options ? !!options.leading : leading;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}
return debounce(func, wait, {
'leading': leading,
'maxWait': wait,
'trailing': trailing
});
}
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject$1(value) {
var type = typeof value;
return !!value && (type == 'object' || type == 'function');
}
/**
* Checks if `value` is object-like. A value is object-like if it's not `null`
* and has a `typeof` result of "object".
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
*
* _.isObjectLike(null);
* // => false
*/
function isObjectLike(value) {
return !!value && typeof value == 'object';
}
/**
* Checks if `value` is classified as a `Symbol` primitive or object.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
* @example
*
* _.isSymbol(Symbol.iterator);
* // => true
*
* _.isSymbol('abc');
* // => false
*/
function isSymbol$1(value) {
return typeof value == 'symbol' ||
(isObjectLike(value) && objectToString$1.call(value) == symbolTag);
}
/**
* Converts `value` to a number.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to process.
* @returns {number} Returns the number.
* @example
*
* _.toNumber(3.2);
* // => 3.2
*
* _.toNumber(Number.MIN_VALUE);
* // => 5e-324
*
* _.toNumber(Infinity);
* // => Infinity
*
* _.toNumber('3.2');
* // => 3.2
*/
function toNumber(value) {
if (typeof value == 'number') {
return value;
}
if (isSymbol$1(value)) {
return NAN;
}
if (isObject$1(value)) {
var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
value = isObject$1(other) ? (other + '') : other;
}
if (typeof value != 'string') {
return value === 0 ? value : +value;
}
value = value.replace(reTrim, '');
var isBinary = reIsBinary.test(value);
return (isBinary || reIsOctal.test(value))
? freeParseInt(value.slice(2), isBinary ? 2 : 8)
: (reIsBadHex.test(value) ? NAN : +value);
}
var lodash_throttle = throttle;
/**
* lodash (Custom Build)
* Build: `lodash modularize exports="npm" -o ./`
* Copyright jQuery Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT$1 = 'Expected a function';
/** Used as references for various `Number` constants. */
var NAN$1 = 0 / 0;
/** `Object#toString` result references. */
var symbolTag$1 = '[object Symbol]';
/** Used to match leading and trailing whitespace. */
var reTrim$1 = /^\s+|\s+$/g;
/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex$1 = /^[-+]0x[0-9a-f]+$/i;
/** Used to detect binary string values. */
var reIsBinary$1 = /^0b[01]+$/i;
/** Used to detect octal string values. */
var reIsOctal$1 = /^0o[0-7]+$/i;
/** Built-in method references without a dependency on `root`. */
var freeParseInt$1 = parseInt;
/** Detect free variable `global` from Node.js. */
var freeGlobal$1 = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
/** Detect free variable `self`. */
var freeSelf$1 = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root$1 = freeGlobal$1 || freeSelf$1 || Function('return this')();
/** Used for built-in method references. */
var objectProto$1 = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var objectToString$2 = objectProto$1.toString;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax$1 = Math.max,
nativeMin$1 = Math.min;
/**
* Gets the timestamp of the number of milliseconds that have elapsed since
* the Unix epoch (1 January 1970 00:00:00 UTC).
*
* @static
* @memberOf _
* @since 2.4.0
* @category Date
* @returns {number} Returns the timestamp.
* @example
*
* _.defer(function(stamp) {
* console.log(_.now() - stamp);
* }, _.now());
* // => Logs the number of milliseconds it took for the deferred invocation.
*/
var now$1 = function() {
return root$1.Date.now();
};
/**
* Creates a debounced function that delays invoking `func` until after `wait`
* milliseconds have elapsed since the last time the debounced function was
* invoked. The debounced function comes with a `cancel` method to cancel
* delayed `func` invocations and a `flush` method to immediately invoke them.
* Provide `options` to indicate whether `func` should be invoked on the
* leading and/or trailing edge of the `wait` timeout. The `func` is invoked
* with the last arguments provided to the debounced function. Subsequent
* calls to the debounced function return the result of the last `func`
* invocation.
*
* **Note:** If `leading` and `trailing` options are `true`, `func` is
* invoked on the trailing edge of the timeout only if the debounced function
* is invoked more than once during the `wait` timeout.
*
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
*
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
* for details over the differences between `_.debounce` and `_.throttle`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to debounce.
* @param {number} [wait=0] The number of milliseconds to delay.
* @param {Object} [options={}] The options object.
* @param {boolean} [options.leading=false]
* Specify invoking on the leading edge of the timeout.
* @param {number} [options.maxWait]
* The maximum time `func` is allowed to be delayed before it's invoked.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new debounced function.
* @example
*
* // Avoid costly calculations while the window size is in flux.
* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
*
* // Invoke `sendMail` when clicked, debouncing subsequent calls.
* jQuery(element).on('click', _.debounce(sendMail, 300, {
* 'leading': true,
* 'trailing': false
* }));
*
* // Ensure `batchLog` is invoked once after 1 second of debounced calls.
* var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
* var source = new EventSource('/stream');
* jQuery(source).on('message', debounced);
*
* // Cancel the trailing debounced invocation.
* jQuery(window).on('popstate', debounced.cancel);
*/
function debounce$1(func, wait, options) {
var lastArgs,
lastThis,
maxWait,
result,
timerId,
lastCallTime,
lastInvokeTime = 0,
leading = false,
maxing = false,
trailing = true;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT$1);
}
wait = toNumber$1(wait) || 0;
if (isObject$2(options)) {
leading = !!options.leading;
maxing = 'maxWait' in options;
maxWait = maxing ? nativeMax$1(toNumber$1(options.maxWait) || 0, wait) : maxWait;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}
function invokeFunc(time) {
var args = lastArgs,
thisArg = lastThis;
lastArgs = lastThis = undefined;
lastInvokeTime = time;
result = func.apply(thisArg, args);
return result;
}
function leadingEdge(time) {
// Reset any `maxWait` timer.
lastInvokeTime = time;
// Start the timer for the trailing edge.
timerId = setTimeout(timerExpired, wait);
// Invoke the leading edge.
return leading ? invokeFunc(time) : result;
}
function remainingWait(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime,
result = wait - timeSinceLastCall;
return maxing ? nativeMin$1(result, maxWait - timeSinceLastInvoke) : result;
}
function shouldInvoke(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime;
// Either this is the first call, activity has stopped and we're at the
// trailing edge, the system time has gone backwards and we're treating
// it as the trailing edge, or we've hit the `maxWait` limit.
return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
(timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
}
function timerExpired() {
var time = now$1();
if (shouldInvoke(time)) {
return trailingEdge(time);
}
// Restart the timer.
timerId = setTimeout(timerExpired, remainingWait(time));
}
function trailingEdge(time) {
timerId = undefined;
// Only invoke if we have `lastArgs` which means `func` has been
// debounced at least once.
if (trailing && lastArgs) {
return invokeFunc(time);
}
lastArgs = lastThis = undefined;
return result;
}
function cancel() {
if (timerId !== undefined) {
clearTimeout(timerId);
}
lastInvokeTime = 0;
lastArgs = lastCallTime = lastThis = timerId = undefined;
}
function flush() {
return timerId === undefined ? result : trailingEdge(now$1());
}
function debounced() {
var time = now$1(),
isInvoking = shouldInvoke(time);
lastArgs = arguments;
lastThis = this;
lastCallTime = time;
if (isInvoking) {
if (timerId === undefined) {
return leadingEdge(lastCallTime);
}
if (maxing) {
// Handle invocations in a tight loop.
timerId = setTimeout(timerExpired, wait);
return invokeFunc(lastCallTime);
}
}
if (timerId === undefined) {
timerId = setTimeout(timerExpired, wait);
}
return result;
}
debounced.cancel = cancel;
debounced.flush = flush;
return debounced;
}
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject$2(value) {
var type = typeof value;
return !!value && (type == 'object' || type == 'function');
}
/**
* Checks if `value` is object-like. A value is object-like if it's not `null`
* and has a `typeof` result of "object".
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
*
* _.isObjectLike(null);
* // => false
*/
function isObjectLike$1(value) {
return !!value && typeof value == 'object';
}
/**
* Checks if `value` is classified as a `Symbol` primitive or object.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
* @example
*
* _.isSymbol(Symbol.iterator);
* // => true
*
* _.isSymbol('abc');
* // => false
*/
function isSymbol$2(value) {
return typeof value == 'symbol' ||
(isObjectLike$1(value) && objectToString$2.call(value) == symbolTag$1);
}
/**
* Converts `value` to a number.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to process.
* @returns {number} Returns the number.
* @example
*
* _.toNumber(3.2);
* // => 3.2
*
* _.toNumber(Number.MIN_VALUE);
* // => 5e-324
*
* _.toNumber(Infinity);
* // => Infinity
*
* _.toNumber('3.2');
* // => 3.2
*/
function toNumber$1(value) {
if (typeof value == 'number') {
return value;
}
if (isSymbol$2(value)) {
return NAN$1;
}
if (isObject$2(value)) {
var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
value = isObject$2(other) ? (other + '') : other;
}
if (typeof value != 'string') {
return value === 0 ? value : +value;
}
value = value.replace(reTrim$1, '');
var isBinary = reIsBinary$1.test(value);
return (isBinary || reIsOctal$1.test(value))
? freeParseInt$1(value.slice(2), isBinary ? 2 : 8)
: (reIsBadHex$1.test(value) ? NAN$1 : +value);
}
var lodash_debounce = debounce$1;
/**
* lodash (Custom Build)
* Build: `lodash modularize exports="npm" -o ./`
* Copyright jQuery Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT$2 = 'Expected a function';
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';
/** `Object#toString` result references. */
var funcTag = '[object Function]',
genTag = '[object GeneratorFunction]';
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Detect free variable `global` from Node.js. */
var freeGlobal$2 = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
/** Detect free variable `self`. */
var freeSelf$2 = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root$2 = freeGlobal$2 || freeSelf$2 || Function('return this')();
/**
* Gets the value at `key` of `object`.
*
* @private
* @param {Object} [object] The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function getValue(object, key) {
return object == null ? undefined : object[key];
}
/**
* Checks if `value` is a host object in IE < 9.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a host object, else `false`.
*/
function isHostObject(value) {
// Many host objects are `Object` objects that can coerce to strings
// despite having improperly defined `toString` methods.
var result = false;
if (value != null && typeof value.toString != 'function') {
try {
result = !!(value + '');
} catch (e) {}
}
return result;
}
/** Used for built-in method references. */
var arrayProto = Array.prototype,
funcProto = Function.prototype,
objectProto$2 = Object.prototype;
/** Used to detect overreaching core-js shims. */
var coreJsData = root$2['__core-js_shared__'];
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
return uid ? ('Symbol(src)_1.' + uid) : '';
}());
/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty$1 = objectProto$2.hasOwnProperty;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var objectToString$3 = objectProto$2.toString;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty$1).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/** Built-in value references. */
var splice$1 = arrayProto.splice;
/* Built-in method references that are verified to be native. */
var Map = getNative(root$2, 'Map'),
nativeCreate = getNative(Object, 'create');
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Hash(entries) {
var index = -1,
length = entries ? entries.length : 0;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the hash.
*
* @private
* @name clear
* @memberOf Hash
*/
function hashClear() {
this.__data__ = nativeCreate ? nativeCreate(null) : {};
}
/**
* Removes `key` and its value from the hash.
*
* @private
* @name delete
* @memberOf Hash
* @param {Object} hash The hash to modify.
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function hashDelete(key) {
return this.has(key) && delete this.__data__[key];
}
/**
* Gets the hash value for `key`.
*
* @private
* @name get
* @memberOf Hash
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function hashGet(key) {
var data = this.__data__;
if (nativeCreate) {
var result = data[key];
return result === HASH_UNDEFINED ? undefined : result;
}
return hasOwnProperty$1.call(data, key) ? data[key] : undefined;
}
/**
* Checks if a hash value for `key` exists.
*
* @private
* @name has
* @memberOf Hash
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function hashHas(key) {
var data = this.__data__;
return nativeCreate ? data[key] !== undefined : hasOwnProperty$1.call(data, key);
}
/**
* Sets the hash `key` to `value`.
*
* @private
* @name set
* @memberOf Hash
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the hash instance.
*/
function hashSet(key, value) {
var data = this.__data__;
data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
return this;
}
// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function ListCache(entries) {
var index = -1,
length = entries ? entries.length : 0;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the list cache.
*
* @private
* @name clear
* @memberOf ListCache
*/
function listCacheClear() {
this.__data__ = [];
}
/**
* Removes `key` and its value from the list cache.
*
* @private
* @name delete
* @memberOf ListCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function listCacheDelete(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
return false;
}
var lastIndex = data.length - 1;
if (index == lastIndex) {
data.pop();
} else {
splice$1.call(data, index, 1);
}
return true;
}
/**
* Gets the list cache value for `key`.
*
* @private
* @name get
* @memberOf ListCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function listCacheGet(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
return index < 0 ? undefined : data[index][1];
}
/**
* Checks if a list cache value for `key` exists.
*
* @private
* @name has
* @memberOf ListCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function listCacheHas(key) {
return assocIndexOf(this.__data__, key) > -1;
}
/**
* Sets the list cache `key` to `value`.
*
* @private
* @name set
* @memberOf ListCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the list cache instance.
*/
function listCacheSet(key, value) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
data.push([key, value]);
} else {
data[index][1] = value;
}
return this;
}
// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function MapCache(entries) {
var index = -1,
length = entries ? entries.length : 0;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the map.
*
* @private
* @name clear
* @memberOf MapCache
*/
function mapCacheClear() {
this.__data__ = {
'hash': new Hash,
'map': new (Map || ListCache),
'string': new Hash
};
}
/**
* Removes `key` and its value from the map.
*
* @private
* @name delete
* @memberOf MapCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function mapCacheDelete(key) {
return getMapData(this, key)['delete'](key);
}
/**
* Gets the map value for `key`.
*
* @private
* @name get
* @memberOf MapCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function mapCacheGet(key) {
return getMapData(this, key).get(key);
}
/**
* Checks if a map value for `key` exists.
*
* @private
* @name has
* @memberOf MapCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function mapCacheHas(key) {
return getMapData(this, key).has(key);
}
/**
* Sets the map `key` to `value`.
*
* @private
* @name set
* @memberOf MapCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the map cache instance.
*/
function mapCacheSet(key, value) {
getMapData(this, key).set(key, value);
return this;
}
// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function assocIndexOf(array, key) {
var length = array.length;
while (length--) {
if (eq(array[length][0], key)) {
return length;
}
}
return -1;
}
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
*/
function baseIsNative(value) {
if (!isObject$3(value) || isMasked(value)) {
return false;
}
var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
return pattern.test(toSource(value));
}
/**
* Gets the data for `map`.
*
* @private
* @param {Object} map The map to query.
* @param {string} key The reference key.
* @returns {*} Returns the map data.
*/
function getMapData(map, key) {
var data = map.__data__;
return isKeyable(key)
? data[typeof key == 'string' ? 'string' : 'hash']
: data.map;
}
/**
* Gets the native function at `key` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the method to get.
* @returns {*} Returns the function if it's native, else `undefined`.
*/
function getNative(object, key) {
var value = getValue(object, key);
return baseIsNative(value) ? value : undefined;
}
/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
? (value !== '__proto__')
: (value === null);
}
/**
* Checks if `func` has its source masked.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
*/
function isMasked(func) {
return !!maskSrcKey && (maskSrcKey in func);
}
/**
* Converts `func` to its source code.
*
* @private
* @param {Function} func The function to process.
* @returns {string} Returns the source code.
*/
function toSource(func) {
if (func != null) {
try {
return funcToString.call(func);
} catch (e) {}
try {
return (func + '');
} catch (e) {}
}
return '';
}
/**
* Creates a function that memoizes the result of `func`. If `resolver` is
* provided, it determines the cache key for storing the result based on the
* arguments provided to the memoized function. By default, the first argument
* provided to the memoized function is used as the map cache key. The `func`
* is invoked with the `this` binding of the memoized function.
*
* **Note:** The cache is exposed as the `cache` property on the memoized
* function. Its creation may be customized by replacing the `_.memoize.Cache`
* constructor with one whose instances implement the
* [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
* method interface of `delete`, `get`, `has`, and `set`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to have its output memoized.
* @param {Function} [resolver] The function to resolve the cache key.
* @returns {Function} Returns the new memoized function.
* @example
*
* var object = { 'a': 1, 'b': 2 };
* var other = { 'c': 3, 'd': 4 };
*
* var values = _.memoize(_.values);
* values(object);
* // => [1, 2]
*
* values(other);
* // => [3, 4]
*
* object.a = 2;
* values(object);
* // => [1, 2]
*
* // Modify the result cache.
* values.cache.set(object, ['a', 'b']);
* values(object);
* // => ['a', 'b']
*
* // Replace `_.memoize.Cache`.
* _.memoize.Cache = WeakMap;
*/
function memoize(func, resolver) {
if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {
throw new TypeError(FUNC_ERROR_TEXT$2);
}
var memoized = function() {
var args = arguments,
key = resolver ? resolver.apply(this, args) : args[0],
cache = memoized.cache;
if (cache.has(key)) {
return cache.get(key);
}
var result = func.apply(this, args);
memoized.cache = cache.set(key, result);
return result;
};
memoized.cache = new (memoize.Cache || MapCache);
return memoized;
}
// Assign cache to `_.memoize`.
memoize.Cache = MapCache;
/**
* Performs a
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* comparison between two values to determine if they are equivalent.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.eq(object, object);
* // => true
*
* _.eq(object, other);
* // => false
*
* _.eq('a', 'a');
* // => true
*
* _.eq('a', Object('a'));
* // => false
*
* _.eq(NaN, NaN);
* // => true
*/
function eq(value, other) {
return value === other || (value !== value && other !== other);
}
/**
* Checks if `value` is classified as a `Function` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
// The use of `Object#toString` avoids issues with the `typeof` operator
// in Safari 8-9 which returns 'object' for typed array and other constructors.
var tag = isObject$3(value) ? objectToString$3.call(value) : '';
return tag == funcTag || tag == genTag;
}
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject$3(value) {
var type = typeof value;
return !!value && (type == 'object' || type == 'function');
}
var lodash_memoize = memoize;
var resizeObservers = [];
var hasActiveObservations = function () {
return resizeObservers.some(function (ro) { return ro.activeTargets.length > 0; });
};
var hasSkippedObservations = function () {
return resizeObservers.some(function (ro) { return ro.skippedTargets.length > 0; });
};
var msg = 'ResizeObserver loop completed with undelivered notifications.';
var deliverResizeLoopError = function () {
var event;
if (typeof ErrorEvent === 'function') {
event = new ErrorEvent('error', {
message: msg
});
}
else {
event = document.createEvent('Event');
event.initEvent('error', false, false);
event.message = msg;
}
window.dispatchEvent(event);
};
var ResizeObserverBoxOptions;
(function (ResizeObserverBoxOptions) {
ResizeObserverBoxOptions["BORDER_BOX"] = "border-box";
ResizeObserverBoxOptions["CONTENT_BOX"] = "content-box";
ResizeObserverBoxOptions["DEVICE_PIXEL_CONTENT_BOX"] = "device-pixel-content-box";
})(ResizeObserverBoxOptions || (ResizeObserverBoxOptions = {}));
var freeze = function (obj) { return Object.freeze(obj); };
var ResizeObserverSize = (function () {
function ResizeObserverSize(inlineSize, blockSize) {
this.inlineSize = inlineSize;
this.blockSize = blockSize;
freeze(this);
}
return ResizeObserverSize;
}());
var DOMRectReadOnly = (function () {
function DOMRectReadOnly(x, y, width, height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
this.top = this.y;
this.left = this.x;
this.bottom = this.top + this.height;
this.right = this.left + this.width;
return freeze(this);
}
DOMRectReadOnly.prototype.toJSON = function () {
var _a = this, x = _a.x, y = _a.y, top = _a.top, right = _a.right, bottom = _a.bottom, left = _a.left, width = _a.width, height = _a.height;
return { x: x, y: y, top: top, right: right, bottom: bottom, left: left, width: width, height: height };
};
DOMRectReadOnly.fromRect = function (rectangle) {
return new DOMRectReadOnly(rectangle.x, rectangle.y, rectangle.width, rectangle.height);
};
return DOMRectReadOnly;
}());
var isSVG = function (target) { return target instanceof SVGElement && 'getBBox' in target; };
var isHidden = function (target) {
if (isSVG(target)) {
var _a = target.getBBox(), width = _a.width, height = _a.height;
return !width && !height;
}
var _b = target, offsetWidth = _b.offsetWidth, offsetHeight = _b.offsetHeight;
return !(offsetWidth || offsetHeight || target.getClientRects().length);
};
var isElement = function (obj) {
var _a, _b;
if (obj instanceof Element) {
return true;
}
var scope = (_b = (_a = obj) === null || _a === void 0 ? void 0 : _a.ownerDocument) === null || _b === void 0 ? void 0 : _b.defaultView;
return !!(scope && obj instanceof scope.Element);
};
var isReplacedElement = function (target) {
switch (target.tagName) {
case 'INPUT':
if (target.type !== 'image') {
break;
}
case 'VIDEO':
case 'AUDIO':
case 'EMBED':
case 'OBJECT':
case 'CANVAS':
case 'IFRAME':
case 'IMG':
return true;
}
return false;
};
var global$1 = typeof window !== 'undefined' ? window : {};
var cache = new WeakMap();
var scrollRegexp = /auto|scroll/;
var verticalRegexp = /^tb|vertical/;
var IE = (/msie|trident/i).test(global$1.navigator && global$1.navigator.userAgent);
var parseDimension = function (pixel) { return parseFloat(pixel || '0'); };
var size = function (inlineSize, blockSize, switchSizes) {
if (inlineSize === void 0) { inlineSize = 0; }
if (blockSize === void 0) { blockSize = 0; }
if (switchSizes === void 0) { switchSizes = false; }
return new ResizeObserverSize((switchSizes ? blockSize : inlineSize) || 0, (switchSizes ? inlineSize : blockSize) || 0);
};
var zeroBoxes = freeze({
devicePixelContentBoxSize: size(),
borderBoxSize: size(),
contentBoxSize: size(),
contentRect: new DOMRectReadOnly(0, 0, 0, 0)
});
var calculateBoxSizes = function (target, forceRecalculation) {
if (forceRecalculation === void 0) { forceRecalculation = false; }
if (cache.has(target) && !forceRecalculation) {
return cache.get(target);
}
if (isHidden(target)) {
cache.set(target, zeroBoxes);
return zeroBoxes;
}
var cs = getComputedStyle(target);
var svg = isSVG(target) && target.ownerSVGElement && target.getBBox();
var removePadding = !IE && cs.boxSizing === 'border-box';
var switchSizes = verticalRegexp.test(cs.writingMode || '');
var canScrollVertically = !svg && scrollRegexp.test(cs.overflowY || '');
var canScrollHorizontally = !svg && scrollRegexp.test(cs.overflowX || '');
var paddingTop = svg ? 0 : parseDimension(cs.paddingTop);
var paddingRight = svg ? 0 : parseDimension(cs.paddingRight);
var paddingBottom = svg ? 0 : parseDimension(cs.paddingBottom);
var paddingLeft = svg ? 0 : parseDimension(cs.paddingLeft);
var borderTop = svg ? 0 : parseDimension(cs.borderTopWidth);
var borderRight = svg ? 0 : parseDimension(cs.borderRightWidth);
var borderBottom = svg ? 0 : parseDimension(cs.borderBottomWidth);
var borderLeft = svg ? 0 : parseDimension(cs.borderLeftWidth);
var horizontalPadding = paddingLeft + paddingRight;
var verticalPadding = paddingTop + paddingBottom;
var horizontalBorderArea = borderLeft + borderRight;
var verticalBorderArea = borderTop + borderBottom;
var horizontalScrollbarThickness = !canScrollHorizontally ? 0 : target.offsetHeight - verticalBorderArea - target.clientHeight;
var verticalScrollbarThickness = !canScrollVertically ? 0 : target.offsetWidth - horizontalBorderArea - target.clientWidth;
var widthReduction = removePadding ? horizontalPadding + horizontalBorderArea : 0;
var heightReduction = removePadding ? verticalPadding + verticalBorderArea : 0;
var contentWidth = svg ? svg.width : parseDimension(cs.width) - widthReduction - verticalScrollbarThickness;
var contentHeight = svg ? svg.height : parseDimension(cs.height) - heightReduction - horizontalScrollbarThickness;
var borderBoxWidth = contentWidth + horizontalPadding + verticalScrollbarThickness + horizontalBorderArea;
var borderBoxHeight = contentHeight + verticalPadding + horizontalScrollbarThickness + verticalBorderArea;
var boxes = freeze({
devicePixelContentBoxSize: size(Math.round(contentWidth * devicePixelRatio), Math.round(contentHeight * devicePixelRatio), switchSizes),
borderBoxSize: size(borderBoxWidth, borderBoxHeight, switchSizes),
contentBoxSize: size(contentWidth, contentHeight, switchSizes),
contentRect: new DOMRectReadOnly(paddingLeft, paddingTop, contentWidth, contentHeight)
});
cache.set(target, boxes);
return boxes;
};
var calculateBoxSize = function (target, observedBox, forceRecalculation) {
var _a = calculateBoxSizes(target, forceRecalculation), borderBoxSize = _a.borderBoxSize, contentBoxSize = _a.contentBoxSize, devicePixelContentBoxSize = _a.devicePixelContentBoxSize;
switch (observedBox) {
case ResizeObserverBoxOptions.DEVICE_PIXEL_CONTENT_BOX:
return devicePixelContentBoxSize;
case ResizeObserverBoxOptions.BORDER_BOX:
return borderBoxSize;
default:
return contentBoxSize;
}
};
var ResizeObserverEntry = (function () {
function ResizeObserverEntry(target) {
var boxes = calculateBoxSizes(target);
this.target = target;
this.contentRect = boxes.contentRect;
this.borderBoxSize = freeze([boxes.borderBoxSize]);
this.contentBoxSize = freeze([boxes.contentBoxSize]);
this.devicePixelContentBoxSize = freeze([boxes.devicePixelContentBoxSize]);
}
return ResizeObserverEntry;
}());
var calculateDepthForNode = function (node) {
if (isHidden(node)) {
return Infinity;
}
var depth = 0;
var parent = node.parentNode;
while (parent) {
depth += 1;
parent = parent.parentNode;
}
return depth;
};
var broadcastActiveObservations = function () {
var shallowestDepth = Infinity;
var callbacks = [];
resizeObservers.forEach(function processObserver(ro) {
if (ro.activeTargets.length === 0) {
return;
}
var entries = [];
ro.activeTargets.forEach(function processTarget(ot) {
var entry = new ResizeObserverEntry(ot.target);
var targetDepth = calculateDepthForNode(ot.target);
entries.push(entry);
ot.lastReportedSize = calculateBoxSize(ot.target, ot.observedBox);
if (targetDepth < shallowestDepth) {
shallowestDepth = targetDepth;
}
});
callbacks.push(function resizeObserverCallback() {
ro.callback.call(ro.observer, entries, ro.observer);
});
ro.activeTargets.splice(0, ro.activeTargets.length);
});
for (var _i = 0, callbacks_1 = callbacks; _i < callbacks_1.length; _i++) {
var callback = callbacks_1[_i];
callback();
}
return shallowestDepth;
};
var gatherActiveObservationsAtDepth = function (depth) {
resizeObservers.forEach(function processObserver(ro) {
ro.activeTargets.splice(0, ro.activeTargets.length);
ro.skippedTargets.splice(0, ro.skippedTargets.length);
ro.observationTargets.forEach(function processTarget(ot) {
if (ot.isActive()) {
if (calculateDepthForNode(ot.target) > depth) {
ro.activeTargets.push(ot);
}
else {
ro.skippedTargets.push(ot);
}
}
});
});
};
var process$1 = function () {
var depth = 0;
gatherActiveObservationsAtDepth(depth);
while (hasActiveObservations()) {
depth = broadcastActiveObservations();
gatherActiveObservationsAtDepth(depth);
}
if (hasSkippedObservations()) {
deliverResizeLoopError();
}
return depth > 0;
};
var trigger;
var callbacks = [];
var notify = function () { return callbacks.splice(0).forEach(function (cb) { return cb(); }); };
var queueMicroTask = function (callback) {
if (!trigger) {
var toggle_1 = 0;
var el_1 = document.createTextNode('');
var config = { characterData: true };
new MutationObserver(function () { return notify(); }).observe(el_1, config);
trigger = function () { el_1.textContent = "" + (toggle_1 ? toggle_1-- : toggle_1++); };
}
callbacks.push(callback);
trigger();
};
var queueResizeObserver = function (cb) {
queueMicroTask(function ResizeObserver() {
requestAnimationFrame(cb);
});
};
var watching = 0;
var isWatching = function () { return !!watching; };
var CATCH_PERIOD = 250;
var observerConfig = { attributes: true, characterData: true, childList: true, subtree: true };
var events = [
'resize',
'load',
'transitionend',
'animationend',
'animationstart',
'animationiteration',
'keyup',
'keydown',
'mouseup',
'mousedown',
'mouseover',
'mouseout',
'blur',
'focus'
];
var time = function (timeout) {
if (timeout === void 0) { timeout = 0; }
return Date.now() + timeout;
};
var scheduled = false;
var Scheduler = (function () {
function Scheduler() {
var _this = this;
this.stopped = true;
this.listener = function () { return _this.schedule(); };
}
Scheduler.prototype.run = function (timeout) {
var _this = this;
if (timeout === void 0) { timeout = CATCH_PERIOD; }
if (scheduled) {
return;
}
scheduled = true;
var until = time(timeout);
queueResizeObserver(function () {
var elementsHaveResized = false;
try {
elementsHaveResized = process$1();
}
finally {
scheduled = false;
timeout = until - time();
if (!isWatching()) {
return;
}
if (elementsHaveResized) {
_this.run(1000);
}
else if (timeout > 0) {
_this.run(timeout);
}
else {
_this.start();
}
}
});
};
Scheduler.prototype.schedule = function () {
this.stop();
this.run();
};
Scheduler.prototype.observe = function () {
var _this = this;
var cb = function () { return _this.observer && _this.observer.observe(document.body, observerConfig); };
document.body ? cb() : global$1.addEventListener('DOMContentLoaded', cb);
};
Scheduler.prototype.start = function () {
var _this = this;
if (this.stopped) {
this.stopped = false;
this.observer = new MutationObserver(this.listener);
this.observe();
events.forEach(function (name) { return global$1.addEventListener(name, _this.listener, true); });
}
};
Scheduler.prototype.stop = function () {
var _this = this;
if (!this.stopped) {
this.observer && this.observer.disconnect();
events.forEach(function (name) { return global$1.removeEventListener(name, _this.listener, true); });
this.stopped = true;
}
};
return Scheduler;
}());
var scheduler = new Scheduler();
var updateCount = function (n) {
!watching && n > 0 && scheduler.start();
watching += n;
!watching && scheduler.stop();
};
var skipNotifyOnElement = function (target) {
return !isSVG(target)
&& !isReplacedElement(target)
&& getComputedStyle(target).display === 'inline';
};
var ResizeObservation = (function () {
function ResizeObservation(target, observedBox) {
this.target = target;
this.observedBox = observedBox || ResizeObserverBoxOptions.CONTENT_BOX;
this.lastReportedSize = {
inlineSize: 0,
blockSize: 0
};
}
ResizeObservation.prototype.isActive = function () {
var size = calculateBoxSize(this.target, this.observedBox, true);
if (skipNotifyOnElement(this.target)) {
this.lastReportedSize = size;
}
if (this.lastReportedSize.inlineSize !== size.inlineSize
|| this.lastReportedSize.blockSize !== size.blockSize) {
return true;
}
return false;
};
return ResizeObservation;
}());
var ResizeObserverDetail = (function () {
function ResizeObserverDetail(resizeObserver, callback) {
this.activeTargets = [];
this.skippedTargets = [];
this.observationTargets = [];
this.observer = resizeObserver;
this.callback = callback;
}
return ResizeObserverDetail;
}());
var observerMap = new WeakMap();
var getObservationIndex = function (observationTargets, target) {
for (var i = 0; i < observationTargets.length; i += 1) {
if (observationTargets[i].target === target) {
return i;
}
}
return -1;
};
var ResizeObserverController = (function () {
function ResizeObserverController() {
}
ResizeObserverController.connect = function (resizeObserver, callback) {
var detail = new ResizeObserverDetail(resizeObserver, callback);
observerMap.set(resizeObserver, detail);
};
ResizeObserverController.observe = function (resizeObserver, target, options) {
var detail = observerMap.get(resizeObserver);
var firstObservation = detail.observationTargets.length === 0;
if (getObservationIndex(detail.observationTargets, target) < 0) {
firstObservation && resizeObservers.push(detail);
detail.observationTargets.push(new ResizeObservation(target, options && options.box));
updateCount(1);
scheduler.schedule();
}
};
ResizeObserverController.unobserve = function (resizeObserver, target) {
var detail = observerMap.get(resizeObserver);
var index = getObservationIndex(detail.observationTargets, target);
var lastObservation = detail.observationTargets.length === 1;
if (index >= 0) {
lastObservation && resizeObservers.splice(resizeObservers.indexOf(detail), 1);
detail.observationTargets.splice(index, 1);
updateCount(-1);
}
};
ResizeObserverController.disconnect = function (resizeObserver) {
var _this = this;
var detail = observerMap.get(resizeObserver);
detail.observationTargets.slice().forEach(function (ot) { return _this.unobserve(resizeObserver, ot.target); });
detail.activeTargets.splice(0, detail.activeTargets.length);
};
return ResizeObserverController;
}());
var ResizeObserver = (function () {
function ResizeObserver(callback) {
if (arguments.length === 0) {
throw new TypeError("Failed to construct 'ResizeObserver': 1 argument required, but only 0 present.");
}
if (typeof callback !== 'function') {
throw new TypeError("Failed to construct 'ResizeObserver': The callback provided as parameter 1 is not a function.");
}
ResizeObserverController.connect(this, callback);
}
ResizeObserver.prototype.observe = function (target, options) {
if (arguments.length === 0) {
throw new TypeError("Failed to execute 'observe' on 'ResizeObserver': 1 argument required, but only 0 present.");
}
if (!isElement(target)) {
throw new TypeError("Failed to execute 'observe' on 'ResizeObserver': parameter 1 is not of type 'Element");
}
ResizeObserverController.observe(this, target, options);
};
ResizeObserver.prototype.unobserve = function (target) {
if (arguments.length === 0) {
throw new TypeError("Failed to execute 'unobserve' on 'ResizeObserver': 1 argument required, but only 0 present.");
}
if (!isElement(target)) {
throw new TypeError("Failed to execute 'unobserve' on 'ResizeObserver': parameter 1 is not of type 'Element");
}
ResizeObserverController.unobserve(this, target);
};
ResizeObserver.prototype.disconnect = function () {
ResizeObserverController.disconnect(this);
};
ResizeObserver.toString = function () {
return 'function ResizeObserver () { [polyfill code] }';
};
return ResizeObserver;
}());
var TypeError$c = global_1.TypeError;
// `Array.prototype.{ reduce, reduceRight }` methods implementation
var createMethod$4 = function (IS_RIGHT) {
return function (that, callbackfn, argumentsLength, memo) {
aCallable(callbackfn);
var O = toObject(that);
var self = indexedObject(O);
var length = lengthOfArrayLike(O);
var index = IS_RIGHT ? length - 1 : 0;
var i = IS_RIGHT ? -1 : 1;
if (argumentsLength < 2) while (true) {
if (index in self) {
memo = self[index];
index += i;
break;
}
index += i;
if (IS_RIGHT ? index < 0 : length <= index) {
throw TypeError$c('Reduce of empty array with no initial value');
}
}
for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {
memo = callbackfn(memo, self[index], index, O);
}
return memo;
};
};
var arrayReduce = {
// `Array.prototype.reduce` method
// https://tc39.es/ecma262/#sec-array.prototype.reduce
left: createMethod$4(false),
// `Array.prototype.reduceRight` method
// https://tc39.es/ecma262/#sec-array.prototype.reduceright
right: createMethod$4(true)
};
var engineIsNode = classofRaw(global_1.process) == 'process';
var $reduce = arrayReduce.left;
var STRICT_METHOD$1 = arrayMethodIsStrict('reduce');
// Chrome 80-82 has a critical bug
// https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
var CHROME_BUG = !engineIsNode && engineV8Version > 79 && engineV8Version < 83;
// `Array.prototype.reduce` method
// https://tc39.es/ecma262/#sec-array.prototype.reduce
_export({ target: 'Array', proto: true, forced: !STRICT_METHOD$1 || CHROME_BUG }, {
reduce: function reduce(callbackfn /* , initialValue */) {
var length = arguments.length;
return $reduce(this, callbackfn, length, length > 1 ? arguments[1] : undefined);
}
});
// `RegExp.prototype.flags` getter implementation
// https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
var regexpFlags = function () {
var that = anObject(this);
var result = '';
if (that.hasIndices) result += 'd';
if (that.global) result += 'g';
if (that.ignoreCase) result += 'i';
if (that.multiline) result += 'm';
if (that.dotAll) result += 's';
if (that.unicode) result += 'u';
if (that.sticky) result += 'y';
return result;
};
// babel-minify and Closure Compiler transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
var $RegExp = global_1.RegExp;
var UNSUPPORTED_Y = fails(function () {
var re = $RegExp('a', 'y');
re.lastIndex = 2;
return re.exec('abcd') != null;
});
// UC Browser bug
// https://github.com/zloirock/core-js/issues/1008
var MISSED_STICKY = UNSUPPORTED_Y || fails(function () {
return !$RegExp('a', 'y').sticky;
});
var BROKEN_CARET = UNSUPPORTED_Y || fails(function () {
// https://bugzilla.mozilla.org/show_bug.cgi?id=773687
var re = $RegExp('^r', 'gy');
re.lastIndex = 2;
return re.exec('str') != null;
});
var regexpStickyHelpers = {
BROKEN_CARET: BROKEN_CARET,
MISSED_STICKY: MISSED_STICKY,
UNSUPPORTED_Y: UNSUPPORTED_Y
};
// babel-minify and Closure Compiler transpiles RegExp('.', 's') -> /./s and it causes SyntaxError
var $RegExp$1 = global_1.RegExp;
var regexpUnsupportedDotAll = fails(function () {
var re = $RegExp$1('.', 's');
return !(re.dotAll && re.exec('\n') && re.flags === 's');
});
// babel-minify and Closure Compiler transpiles RegExp('(?b)', 'g') -> /(?b)/g and it causes SyntaxError
var $RegExp$2 = global_1.RegExp;
var regexpUnsupportedNcg = fails(function () {
var re = $RegExp$2('(?b)', 'g');
return re.exec('b').groups.a !== 'b' ||
'b'.replace(re, '$c') !== 'bc';
});
/* eslint-disable regexp/no-empty-capturing-group, regexp/no-empty-group, regexp/no-lazy-ends -- testing */
/* eslint-disable regexp/no-useless-quantifier -- testing */
var getInternalState$2 = internalState.get;
var nativeReplace = shared('native-string-replace', String.prototype.replace);
var nativeExec = RegExp.prototype.exec;
var patchedExec = nativeExec;
var charAt$2 = functionUncurryThis(''.charAt);
var indexOf$1 = functionUncurryThis(''.indexOf);
var replace$1 = functionUncurryThis(''.replace);
var stringSlice$2 = functionUncurryThis(''.slice);
var UPDATES_LAST_INDEX_WRONG = (function () {
var re1 = /a/;
var re2 = /b*/g;
functionCall(nativeExec, re1, 'a');
functionCall(nativeExec, re2, 'a');
return re1.lastIndex !== 0 || re2.lastIndex !== 0;
})();
var UNSUPPORTED_Y$1 = regexpStickyHelpers.BROKEN_CARET;
// 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 || UNSUPPORTED_Y$1 || regexpUnsupportedDotAll || regexpUnsupportedNcg;
if (PATCH) {
patchedExec = function exec(string) {
var re = this;
var state = getInternalState$2(re);
var str = toString_1(string);
var raw = state.raw;
var result, reCopy, lastIndex, match, i, object, group;
if (raw) {
raw.lastIndex = re.lastIndex;
result = functionCall(patchedExec, raw, str);
re.lastIndex = raw.lastIndex;
return result;
}
var groups = state.groups;
var sticky = UNSUPPORTED_Y$1 && re.sticky;
var flags = functionCall(regexpFlags, re);
var source = re.source;
var charsAdded = 0;
var strCopy = str;
if (sticky) {
flags = replace$1(flags, 'y', '');
if (indexOf$1(flags, 'g') === -1) {
flags += 'g';
}
strCopy = stringSlice$2(str, re.lastIndex);
// Support anchored sticky behavior.
if (re.lastIndex > 0 && (!re.multiline || re.multiline && charAt$2(str, re.lastIndex - 1) !== '\n')) {
source = '(?: ' + source + ')';
strCopy = ' ' + strCopy;
charsAdded++;
}
// ^(? + rx + ) is needed, in combination with some str slicing, to
// simulate the 'y' flag.
reCopy = new RegExp('^(?:' + source + ')', flags);
}
if (NPCG_INCLUDED) {
reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
}
if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;
match = functionCall(nativeExec, sticky ? reCopy : re, strCopy);
if (sticky) {
if (match) {
match.input = stringSlice$2(match.input, charsAdded);
match[0] = stringSlice$2(match[0], charsAdded);
match.index = re.lastIndex;
re.lastIndex += match[0].length;
} else re.lastIndex = 0;
} else 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 /(.?)?/
functionCall(nativeReplace, match[0], reCopy, function () {
for (i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undefined) match[i] = undefined;
}
});
}
if (match && groups) {
match.groups = object = objectCreate(null);
for (i = 0; i < groups.length; i++) {
group = groups[i];
object[group[0]] = match[group[1]];
}
}
return match;
};
}
var regexpExec = patchedExec;
// `RegExp.prototype.exec` method
// https://tc39.es/ecma262/#sec-regexp.prototype.exec
_export({ target: 'RegExp', proto: true, forced: /./.exec !== regexpExec }, {
exec: regexpExec
});
// TODO: Remove from `core-js@4` since it's moved to entry points
var SPECIES$2 = wellKnownSymbol('species');
var RegExpPrototype = RegExp.prototype;
var fixRegexpWellKnownSymbolLogic = function (KEY, exec, FORCED, 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/;
if (KEY === 'split') {
// We can't use real regex here since it causes deoptimization
// and serious performance degradation in V8
// https://github.com/zloirock/core-js/issues/306
re = {};
// 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$2] = function () { return re; };
re.flags = '';
re[SYMBOL] = /./[SYMBOL];
}
re.exec = function () { execCalled = true; return null; };
re[SYMBOL]('');
return !execCalled;
});
if (
!DELEGATES_TO_SYMBOL ||
!DELEGATES_TO_EXEC ||
FORCED
) {
var uncurriedNativeRegExpMethod = functionUncurryThis(/./[SYMBOL]);
var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
var uncurriedNativeMethod = functionUncurryThis(nativeMethod);
var $exec = regexp.exec;
if ($exec === regexpExec || $exec === RegExpPrototype.exec) {
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: uncurriedNativeRegExpMethod(regexp, str, arg2) };
}
return { done: true, value: uncurriedNativeMethod(str, regexp, arg2) };
}
return { done: false };
});
defineBuiltIn(String.prototype, KEY, methods[0]);
defineBuiltIn(RegExpPrototype, SYMBOL, methods[1]);
}
if (SHAM) createNonEnumerableProperty(RegExpPrototype[SYMBOL], 'sham', true);
};
var charAt$3 = stringMultibyte.charAt;
// `AdvanceStringIndex` abstract operation
// https://tc39.es/ecma262/#sec-advancestringindex
var advanceStringIndex = function (S, index, unicode) {
return index + (unicode ? charAt$3(S, index).length : 1);
};
var TypeError$d = global_1.TypeError;
// `RegExpExec` abstract operation
// https://tc39.es/ecma262/#sec-regexpexec
var regexpExecAbstract = function (R, S) {
var exec = R.exec;
if (isCallable(exec)) {
var result = functionCall(exec, R, S);
if (result !== null) anObject(result);
return result;
}
if (classofRaw(R) === 'RegExp') return functionCall(regexpExec, R, S);
throw TypeError$d('RegExp#exec called on incompatible receiver');
};
// @@match logic
fixRegexpWellKnownSymbolLogic('match', function (MATCH, nativeMatch, maybeCallNative) {
return [
// `String.prototype.match` method
// https://tc39.es/ecma262/#sec-string.prototype.match
function match(regexp) {
var O = requireObjectCoercible(this);
var matcher = regexp == undefined ? undefined : getMethod(regexp, MATCH);
return matcher ? functionCall(matcher, regexp, O) : new RegExp(regexp)[MATCH](toString_1(O));
},
// `RegExp.prototype[@@match]` method
// https://tc39.es/ecma262/#sec-regexp.prototype-@@match
function (string) {
var rx = anObject(this);
var S = toString_1(string);
var res = maybeCallNative(nativeMatch, rx, S);
if (res.done) return res.value;
if (!rx.global) return regexpExecAbstract(rx, S);
var fullUnicode = rx.unicode;
rx.lastIndex = 0;
var A = [];
var n = 0;
var result;
while ((result = regexpExecAbstract(rx, S)) !== null) {
var matchStr = toString_1(result[0]);
A[n] = matchStr;
if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
n++;
}
return n === 0 ? null : A;
}
];
});
var FUNCTION_NAME_EXISTS = functionName.EXISTS;
var defineProperty$5 = objectDefineProperty.f;
var FunctionPrototype$2 = Function.prototype;
var functionToString$1 = functionUncurryThis(FunctionPrototype$2.toString);
var nameRE = /function\b(?:\s|\/\*[\S\s]*?\*\/|\/\/[^\n\r]*[\n\r]+)*([^\s(/]*)/;
var regExpExec = functionUncurryThis(nameRE.exec);
var NAME = 'name';
// Function instances `.name` property
// https://tc39.es/ecma262/#sec-function-instances-name
if (descriptors && !FUNCTION_NAME_EXISTS) {
defineProperty$5(FunctionPrototype$2, NAME, {
configurable: true,
get: function () {
try {
return regExpExec(nameRE, functionToString$1(this))[1];
} catch (error) {
return '';
}
}
});
}
var FunctionPrototype$3 = Function.prototype;
var apply = FunctionPrototype$3.apply;
var call$2 = FunctionPrototype$3.call;
// eslint-disable-next-line es-x/no-reflect -- safe
var functionApply = typeof Reflect == 'object' && Reflect.apply || (functionBindNative ? call$2.bind(apply) : function () {
return call$2.apply(apply, arguments);
});
var floor$1 = Math.floor;
var charAt$4 = functionUncurryThis(''.charAt);
var replace$2 = functionUncurryThis(''.replace);
var stringSlice$3 = functionUncurryThis(''.slice);
var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d{1,2}|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d{1,2})/g;
// `GetSubstitution` abstract operation
// https://tc39.es/ecma262/#sec-getsubstitution
var getSubstitution = function (matched, str, position, captures, namedCaptures, replacement) {
var tailPos = position + matched.length;
var m = captures.length;
var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
if (namedCaptures !== undefined) {
namedCaptures = toObject(namedCaptures);
symbols = SUBSTITUTION_SYMBOLS;
}
return replace$2(replacement, symbols, function (match, ch) {
var capture;
switch (charAt$4(ch, 0)) {
case '$': return '$';
case '&': return matched;
case '`': return stringSlice$3(str, 0, position);
case "'": return stringSlice$3(str, tailPos);
case '<':
capture = namedCaptures[stringSlice$3(ch, 1, -1)];
break;
default: // \d\d?
var n = +ch;
if (n === 0) return match;
if (n > m) {
var f = floor$1(n / 10);
if (f === 0) return match;
if (f <= m) return captures[f - 1] === undefined ? charAt$4(ch, 1) : captures[f - 1] + charAt$4(ch, 1);
return match;
}
capture = captures[n - 1];
}
return capture === undefined ? '' : capture;
});
};
var REPLACE = wellKnownSymbol('replace');
var max$2 = Math.max;
var min$2 = Math.min;
var concat$2 = functionUncurryThis([].concat);
var push$2 = functionUncurryThis([].push);
var stringIndexOf = functionUncurryThis(''.indexOf);
var stringSlice$4 = functionUncurryThis(''.slice);
var maybeToString = function (it) {
return it === undefined ? it : String(it);
};
// IE <= 11 replaces $0 with the whole match, as if it was $&
// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
var REPLACE_KEEPS_$0 = (function () {
// eslint-disable-next-line regexp/prefer-escape-replacement-dollar-char -- required for testing
return 'a'.replace(/./, '$0') === '$0';
})();
// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
if (/./[REPLACE]) {
return /./[REPLACE]('a', '$0') === '';
}
return false;
})();
var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
var re = /./;
re.exec = function () {
var result = [];
result.groups = { a: '7' };
return result;
};
// eslint-disable-next-line regexp/no-useless-dollar-replacements -- false positive
return ''.replace(re, '$') !== '7';
});
// @@replace logic
fixRegexpWellKnownSymbolLogic('replace', function (_, nativeReplace, maybeCallNative) {
var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';
return [
// `String.prototype.replace` method
// https://tc39.es/ecma262/#sec-string.prototype.replace
function replace(searchValue, replaceValue) {
var O = requireObjectCoercible(this);
var replacer = searchValue == undefined ? undefined : getMethod(searchValue, REPLACE);
return replacer
? functionCall(replacer, searchValue, O, replaceValue)
: functionCall(nativeReplace, toString_1(O), searchValue, replaceValue);
},
// `RegExp.prototype[@@replace]` method
// https://tc39.es/ecma262/#sec-regexp.prototype-@@replace
function (string, replaceValue) {
var rx = anObject(this);
var S = toString_1(string);
if (
typeof replaceValue == 'string' &&
stringIndexOf(replaceValue, UNSAFE_SUBSTITUTE) === -1 &&
stringIndexOf(replaceValue, '$<') === -1
) {
var res = maybeCallNative(nativeReplace, rx, S, replaceValue);
if (res.done) return res.value;
}
var functionalReplace = isCallable(replaceValue);
if (!functionalReplace) replaceValue = toString_1(replaceValue);
var global = rx.global;
if (global) {
var fullUnicode = rx.unicode;
rx.lastIndex = 0;
}
var results = [];
while (true) {
var result = regexpExecAbstract(rx, S);
if (result === null) break;
push$2(results, result);
if (!global) break;
var matchStr = toString_1(result[0]);
if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
}
var accumulatedResult = '';
var nextSourcePosition = 0;
for (var i = 0; i < results.length; i++) {
result = results[i];
var matched = toString_1(result[0]);
var position = max$2(min$2(toIntegerOrInfinity(result.index), S.length), 0);
var captures = [];
// NOTE: This is equivalent to
// captures = result.slice(1).map(maybeToString)
// but for some reason `nativeSlice.call(result, 1, result.length)` (called in
// the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
// causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
for (var j = 1; j < result.length; j++) push$2(captures, maybeToString(result[j]));
var namedCaptures = result.groups;
if (functionalReplace) {
var replacerArgs = concat$2([matched], captures, position, S);
if (namedCaptures !== undefined) push$2(replacerArgs, namedCaptures);
var replacement = toString_1(functionApply(replaceValue, undefined, replacerArgs));
} else {
replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
}
if (position >= nextSourcePosition) {
accumulatedResult += stringSlice$4(S, nextSourcePosition, position) + replacement;
nextSourcePosition = position + matched.length;
}
}
return accumulatedResult + stringSlice$4(S, nextSourcePosition);
}
];
}, !REPLACE_SUPPORTS_NAMED_GROUPS || !REPLACE_KEEPS_$0 || REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE);
// Helper function to retrieve options from element attributes
var getOptions = function getOptions(obj) {
var options = Array.prototype.reduce.call(obj, function (acc, attribute) {
var option = attribute.name.match(/data-simplebar-(.+)/);
if (option) {
var key = option[1].replace(/\W+(.)/g, function (x, chr) {
return chr.toUpperCase();
});
switch (attribute.value) {
case 'true':
acc[key] = true;
break;
case 'false':
acc[key] = false;
break;
case undefined:
acc[key] = true;
break;
default:
acc[key] = attribute.value;
}
}
return acc;
}, {});
return options;
};
function getElementWindow(element) {
if (!element || !element.ownerDocument || !element.ownerDocument.defaultView) {
return window;
}
return element.ownerDocument.defaultView;
}
function getElementDocument(element) {
if (!element || !element.ownerDocument) {
return document;
}
return element.ownerDocument;
}
var cachedScrollbarWidth = null;
var cachedDevicePixelRatio = null;
if (canUseDom) {
window.addEventListener('resize', function () {
if (cachedDevicePixelRatio !== window.devicePixelRatio) {
cachedDevicePixelRatio = window.devicePixelRatio;
cachedScrollbarWidth = null;
}
});
}
function scrollbarWidth(el) {
if (cachedScrollbarWidth === null) {
var document = getElementDocument(el);
if (typeof document === 'undefined') {
cachedScrollbarWidth = 0;
return cachedScrollbarWidth;
}
var body = document.body;
var box = document.createElement('div');
box.classList.add('simplebar-hide-scrollbar');
body.appendChild(box);
var width = box.getBoundingClientRect().right;
body.removeChild(box);
cachedScrollbarWidth = width;
}
return cachedScrollbarWidth;
}
var SimpleBar = /*#__PURE__*/function () {
function SimpleBar(element, options) {
var _this = this;
this.onScroll = function () {
var elWindow = getElementWindow(_this.el);
if (!_this.scrollXTicking) {
elWindow.requestAnimationFrame(_this.scrollX);
_this.scrollXTicking = true;
}
if (!_this.scrollYTicking) {
elWindow.requestAnimationFrame(_this.scrollY);
_this.scrollYTicking = true;
}
};
this.scrollX = function () {
if (_this.axis.x.isOverflowing) {
_this.showScrollbar('x');
_this.positionScrollbar('x');
}
_this.scrollXTicking = false;
};
this.scrollY = function () {
if (_this.axis.y.isOverflowing) {
_this.showScrollbar('y');
_this.positionScrollbar('y');
}
_this.scrollYTicking = false;
};
this.onMouseEnter = function () {
_this.showScrollbar('x');
_this.showScrollbar('y');
};
this.onMouseMove = function (e) {
_this.mouseX = e.clientX;
_this.mouseY = e.clientY;
if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {
_this.onMouseMoveForAxis('x');
}
if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {
_this.onMouseMoveForAxis('y');
}
};
this.onMouseLeave = function () {
_this.onMouseMove.cancel();
if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {
_this.onMouseLeaveForAxis('x');
}
if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {
_this.onMouseLeaveForAxis('y');
}
_this.mouseX = -1;
_this.mouseY = -1;
};
this.onWindowResize = function () {
// Recalculate scrollbarWidth in case it's a zoom
_this.scrollbarWidth = _this.getScrollbarWidth();
_this.hideNativeScrollbar();
};
this.hideScrollbars = function () {
_this.axis.x.track.rect = _this.axis.x.track.el.getBoundingClientRect();
_this.axis.y.track.rect = _this.axis.y.track.el.getBoundingClientRect();
if (!_this.isWithinBounds(_this.axis.y.track.rect)) {
_this.axis.y.scrollbar.el.classList.remove(_this.classNames.visible);
_this.axis.y.isVisible = false;
}
if (!_this.isWithinBounds(_this.axis.x.track.rect)) {
_this.axis.x.scrollbar.el.classList.remove(_this.classNames.visible);
_this.axis.x.isVisible = false;
}
};
this.onPointerEvent = function (e) {
var isWithinTrackXBounds, isWithinTrackYBounds;
_this.axis.x.track.rect = _this.axis.x.track.el.getBoundingClientRect();
_this.axis.y.track.rect = _this.axis.y.track.el.getBoundingClientRect();
if (_this.axis.x.isOverflowing || _this.axis.x.forceVisible) {
isWithinTrackXBounds = _this.isWithinBounds(_this.axis.x.track.rect);
}
if (_this.axis.y.isOverflowing || _this.axis.y.forceVisible) {
isWithinTrackYBounds = _this.isWithinBounds(_this.axis.y.track.rect);
} // If any pointer event is called on the scrollbar
if (isWithinTrackXBounds || isWithinTrackYBounds) {
// Preventing the event's default action stops text being
// selectable during the drag.
e.preventDefault(); // Prevent event leaking
e.stopPropagation();
if (e.type === 'mousedown') {
if (isWithinTrackXBounds) {
_this.axis.x.scrollbar.rect = _this.axis.x.scrollbar.el.getBoundingClientRect();
if (_this.isWithinBounds(_this.axis.x.scrollbar.rect)) {
_this.onDragStart(e, 'x');
} else {
_this.onTrackClick(e, 'x');
}
}
if (isWithinTrackYBounds) {
_this.axis.y.scrollbar.rect = _this.axis.y.scrollbar.el.getBoundingClientRect();
if (_this.isWithinBounds(_this.axis.y.scrollbar.rect)) {
_this.onDragStart(e, 'y');
} else {
_this.onTrackClick(e, 'y');
}
}
}
}
};
this.drag = function (e) {
var eventOffset;
var track = _this.axis[_this.draggedAxis].track;
var trackSize = track.rect[_this.axis[_this.draggedAxis].sizeAttr];
var scrollbar = _this.axis[_this.draggedAxis].scrollbar;
var contentSize = _this.contentWrapperEl[_this.axis[_this.draggedAxis].scrollSizeAttr];
var hostSize = parseInt(_this.elStyles[_this.axis[_this.draggedAxis].sizeAttr], 10);
e.preventDefault();
e.stopPropagation();
if (_this.draggedAxis === 'y') {
eventOffset = e.pageY;
} else {
eventOffset = e.pageX;
} // Calculate how far the user's mouse is from the top/left of the scrollbar (minus the dragOffset).
var dragPos = eventOffset - track.rect[_this.axis[_this.draggedAxis].offsetAttr] - _this.axis[_this.draggedAxis].dragOffset; // Convert the mouse position into a percentage of the scrollbar height/width.
var dragPerc = dragPos / (trackSize - scrollbar.size); // Scroll the content by the same percentage.
var scrollPos = dragPerc * (contentSize - hostSize); // Fix browsers inconsistency on RTL
if (_this.draggedAxis === 'x') {
scrollPos = _this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollbarInverted ? scrollPos - (trackSize + scrollbar.size) : scrollPos;
scrollPos = _this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollingInverted ? -scrollPos : scrollPos;
}
_this.contentWrapperEl[_this.axis[_this.draggedAxis].scrollOffsetAttr] = scrollPos;
};
this.onEndDrag = function (e) {
var elDocument = getElementDocument(_this.el);
var elWindow = getElementWindow(_this.el);
e.preventDefault();
e.stopPropagation();
_this.el.classList.remove(_this.classNames.dragging);
elDocument.removeEventListener('mousemove', _this.drag, true);
elDocument.removeEventListener('mouseup', _this.onEndDrag, true);
_this.removePreventClickId = elWindow.setTimeout(function () {
// Remove these asynchronously so we still suppress click events
// generated simultaneously with mouseup.
elDocument.removeEventListener('click', _this.preventClick, true);
elDocument.removeEventListener('dblclick', _this.preventClick, true);
_this.removePreventClickId = null;
});
};
this.preventClick = function (e) {
e.preventDefault();
e.stopPropagation();
};
this.el = element;
this.minScrollbarWidth = 20;
this.options = Object.assign({}, SimpleBar.defaultOptions, options);
this.classNames = Object.assign({}, SimpleBar.defaultOptions.classNames, this.options.classNames);
this.axis = {
x: {
scrollOffsetAttr: 'scrollLeft',
sizeAttr: 'width',
scrollSizeAttr: 'scrollWidth',
offsetSizeAttr: 'offsetWidth',
offsetAttr: 'left',
overflowAttr: 'overflowX',
dragOffset: 0,
isOverflowing: true,
isVisible: false,
forceVisible: false,
track: {},
scrollbar: {}
},
y: {
scrollOffsetAttr: 'scrollTop',
sizeAttr: 'height',
scrollSizeAttr: 'scrollHeight',
offsetSizeAttr: 'offsetHeight',
offsetAttr: 'top',
overflowAttr: 'overflowY',
dragOffset: 0,
isOverflowing: true,
isVisible: false,
forceVisible: false,
track: {},
scrollbar: {}
}
};
this.removePreventClickId = null; // Don't re-instantiate over an existing one
if (SimpleBar.instances.has(this.el)) {
return;
}
this.recalculate = lodash_throttle(this.recalculate.bind(this), 64);
this.onMouseMove = lodash_throttle(this.onMouseMove.bind(this), 64);
this.hideScrollbars = lodash_debounce(this.hideScrollbars.bind(this), this.options.timeout);
this.onWindowResize = lodash_debounce(this.onWindowResize.bind(this), 64, {
leading: true
});
SimpleBar.getRtlHelpers = lodash_memoize(SimpleBar.getRtlHelpers);
this.init();
}
/**
* Static properties
*/
/**
* Helper to fix browsers inconsistency on RTL:
* - Firefox inverts the scrollbar initial position
* - IE11 inverts both scrollbar position and scrolling offset
* Directly inspired by @KingSora's OverlayScrollbars https://github.com/KingSora/OverlayScrollbars/blob/master/js/OverlayScrollbars.js#L1634
*/
SimpleBar.getRtlHelpers = function getRtlHelpers() {
var dummyDiv = document.createElement('div');
dummyDiv.innerHTML = '';
var scrollbarDummyEl = dummyDiv.firstElementChild;
document.body.appendChild(scrollbarDummyEl);
var dummyContainerChild = scrollbarDummyEl.firstElementChild;
scrollbarDummyEl.scrollLeft = 0;
var dummyContainerOffset = SimpleBar.getOffset(scrollbarDummyEl);
var dummyContainerChildOffset = SimpleBar.getOffset(dummyContainerChild);
scrollbarDummyEl.scrollLeft = 999;
var dummyContainerScrollOffsetAfterScroll = SimpleBar.getOffset(dummyContainerChild);
return {
// determines if the scrolling is responding with negative values
isRtlScrollingInverted: dummyContainerOffset.left !== dummyContainerChildOffset.left && dummyContainerChildOffset.left - dummyContainerScrollOffsetAfterScroll.left !== 0,
// determines if the origin scrollbar position is inverted or not (positioned on left or right)
isRtlScrollbarInverted: dummyContainerOffset.left !== dummyContainerChildOffset.left
};
};
SimpleBar.getOffset = function getOffset(el) {
var rect = el.getBoundingClientRect();
var elDocument = getElementDocument(el);
var elWindow = getElementWindow(el);
return {
top: rect.top + (elWindow.pageYOffset || elDocument.documentElement.scrollTop),
left: rect.left + (elWindow.pageXOffset || elDocument.documentElement.scrollLeft)
};
};
var _proto = SimpleBar.prototype;
_proto.init = function init() {
// Save a reference to the instance, so we know this DOM node has already been instancied
SimpleBar.instances.set(this.el, this); // We stop here on server-side
if (canUseDom) {
this.initDOM();
this.setAccessibilityAttributes();
this.scrollbarWidth = this.getScrollbarWidth();
this.recalculate();
this.initListeners();
}
};
_proto.initDOM = function initDOM() {
var _this2 = this;
// make sure this element doesn't have the elements yet
if (Array.prototype.filter.call(this.el.children, function (child) {
return child.classList.contains(_this2.classNames.wrapper);
}).length) {
// assume that element has his DOM already initiated
this.wrapperEl = this.el.querySelector("." + this.classNames.wrapper);
this.contentWrapperEl = this.options.scrollableNode || this.el.querySelector("." + this.classNames.contentWrapper);
this.contentEl = this.options.contentNode || this.el.querySelector("." + this.classNames.contentEl);
this.offsetEl = this.el.querySelector("." + this.classNames.offset);
this.maskEl = this.el.querySelector("." + this.classNames.mask);
this.placeholderEl = this.findChild(this.wrapperEl, "." + this.classNames.placeholder);
this.heightAutoObserverWrapperEl = this.el.querySelector("." + this.classNames.heightAutoObserverWrapperEl);
this.heightAutoObserverEl = this.el.querySelector("." + this.classNames.heightAutoObserverEl);
this.axis.x.track.el = this.findChild(this.el, "." + this.classNames.track + "." + this.classNames.horizontal);
this.axis.y.track.el = this.findChild(this.el, "." + this.classNames.track + "." + this.classNames.vertical);
} else {
// Prepare DOM
this.wrapperEl = document.createElement('div');
this.contentWrapperEl = document.createElement('div');
this.offsetEl = document.createElement('div');
this.maskEl = document.createElement('div');
this.contentEl = document.createElement('div');
this.placeholderEl = document.createElement('div');
this.heightAutoObserverWrapperEl = document.createElement('div');
this.heightAutoObserverEl = document.createElement('div');
this.wrapperEl.classList.add(this.classNames.wrapper);
this.contentWrapperEl.classList.add(this.classNames.contentWrapper);
this.offsetEl.classList.add(this.classNames.offset);
this.maskEl.classList.add(this.classNames.mask);
this.contentEl.classList.add(this.classNames.contentEl);
this.placeholderEl.classList.add(this.classNames.placeholder);
this.heightAutoObserverWrapperEl.classList.add(this.classNames.heightAutoObserverWrapperEl);
this.heightAutoObserverEl.classList.add(this.classNames.heightAutoObserverEl);
while (this.el.firstChild) {
this.contentEl.appendChild(this.el.firstChild);
}
this.contentWrapperEl.appendChild(this.contentEl);
this.offsetEl.appendChild(this.contentWrapperEl);
this.maskEl.appendChild(this.offsetEl);
this.heightAutoObserverWrapperEl.appendChild(this.heightAutoObserverEl);
this.wrapperEl.appendChild(this.heightAutoObserverWrapperEl);
this.wrapperEl.appendChild(this.maskEl);
this.wrapperEl.appendChild(this.placeholderEl);
this.el.appendChild(this.wrapperEl);
}
if (!this.axis.x.track.el || !this.axis.y.track.el) {
var track = document.createElement('div');
var scrollbar = document.createElement('div');
track.classList.add(this.classNames.track);
scrollbar.classList.add(this.classNames.scrollbar);
track.appendChild(scrollbar);
this.axis.x.track.el = track.cloneNode(true);
this.axis.x.track.el.classList.add(this.classNames.horizontal);
this.axis.y.track.el = track.cloneNode(true);
this.axis.y.track.el.classList.add(this.classNames.vertical);
this.el.appendChild(this.axis.x.track.el);
this.el.appendChild(this.axis.y.track.el);
}
this.axis.x.scrollbar.el = this.axis.x.track.el.querySelector("." + this.classNames.scrollbar);
this.axis.y.scrollbar.el = this.axis.y.track.el.querySelector("." + this.classNames.scrollbar);
if (!this.options.autoHide) {
this.axis.x.scrollbar.el.classList.add(this.classNames.visible);
this.axis.y.scrollbar.el.classList.add(this.classNames.visible);
}
this.el.setAttribute('data-simplebar', 'init');
};
_proto.setAccessibilityAttributes = function setAccessibilityAttributes() {
var ariaLabel = this.options.ariaLabel || 'scrollable content';
this.contentWrapperEl.setAttribute('tabindex', '0');
this.contentWrapperEl.setAttribute('role', 'region');
this.contentWrapperEl.setAttribute('aria-label', ariaLabel);
};
_proto.initListeners = function initListeners() {
var _this3 = this;
var elWindow = getElementWindow(this.el); // Event listeners
if (this.options.autoHide) {
this.el.addEventListener('mouseenter', this.onMouseEnter);
}
['mousedown', 'click', 'dblclick'].forEach(function (e) {
_this3.el.addEventListener(e, _this3.onPointerEvent, true);
});
['touchstart', 'touchend', 'touchmove'].forEach(function (e) {
_this3.el.addEventListener(e, _this3.onPointerEvent, {
capture: true,
passive: true
});
});
this.el.addEventListener('mousemove', this.onMouseMove);
this.el.addEventListener('mouseleave', this.onMouseLeave);
this.contentWrapperEl.addEventListener('scroll', this.onScroll); // Browser zoom triggers a window resize
elWindow.addEventListener('resize', this.onWindowResize); // Hack for https://github.com/WICG/ResizeObserver/issues/38
var resizeObserverStarted = false;
var resizeAnimationFrameId = null;
var resizeObserver = elWindow.ResizeObserver || ResizeObserver;
this.resizeObserver = new resizeObserver(function () {
if (!resizeObserverStarted || resizeAnimationFrameId !== null) return;
resizeAnimationFrameId = elWindow.requestAnimationFrame(function () {
_this3.recalculate();
resizeAnimationFrameId = null;
});
});
this.resizeObserver.observe(this.el);
this.resizeObserver.observe(this.contentEl);
elWindow.requestAnimationFrame(function () {
resizeObserverStarted = true;
}); // This is required to detect horizontal scroll. Vertical scroll only needs the resizeObserver.
this.mutationObserver = new elWindow.MutationObserver(this.recalculate);
this.mutationObserver.observe(this.contentEl, {
childList: true,
subtree: true,
characterData: true
});
};
_proto.recalculate = function recalculate() {
var elWindow = getElementWindow(this.el);
this.elStyles = elWindow.getComputedStyle(this.el);
this.isRtl = this.elStyles.direction === 'rtl';
var isHeightAuto = this.heightAutoObserverEl.offsetHeight <= 1;
var isWidthAuto = this.heightAutoObserverEl.offsetWidth <= 1;
var contentElOffsetWidth = this.contentEl.offsetWidth;
var contentWrapperElOffsetWidth = this.contentWrapperEl.offsetWidth;
var elOverflowX = this.elStyles.overflowX;
var elOverflowY = this.elStyles.overflowY;
this.contentEl.style.padding = this.elStyles.paddingTop + " " + this.elStyles.paddingRight + " " + this.elStyles.paddingBottom + " " + this.elStyles.paddingLeft;
this.wrapperEl.style.margin = "-" + this.elStyles.paddingTop + " -" + this.elStyles.paddingRight + " -" + this.elStyles.paddingBottom + " -" + this.elStyles.paddingLeft;
var contentElScrollHeight = this.contentEl.scrollHeight;
var contentElScrollWidth = this.contentEl.scrollWidth;
this.contentWrapperEl.style.height = isHeightAuto ? 'auto' : '100%'; // Determine placeholder size
this.placeholderEl.style.width = isWidthAuto ? contentElOffsetWidth + "px" : 'auto';
this.placeholderEl.style.height = contentElScrollHeight + "px";
var contentWrapperElOffsetHeight = this.contentWrapperEl.offsetHeight;
this.axis.x.isOverflowing = contentElScrollWidth > contentElOffsetWidth;
this.axis.y.isOverflowing = contentElScrollHeight > contentWrapperElOffsetHeight; // Set isOverflowing to false if user explicitely set hidden overflow
this.axis.x.isOverflowing = elOverflowX === 'hidden' ? false : this.axis.x.isOverflowing;
this.axis.y.isOverflowing = elOverflowY === 'hidden' ? false : this.axis.y.isOverflowing;
this.axis.x.forceVisible = this.options.forceVisible === 'x' || this.options.forceVisible === true;
this.axis.y.forceVisible = this.options.forceVisible === 'y' || this.options.forceVisible === true;
this.hideNativeScrollbar(); // Set isOverflowing to false if scrollbar is not necessary (content is shorter than offset)
var offsetForXScrollbar = this.axis.x.isOverflowing ? this.scrollbarWidth : 0;
var offsetForYScrollbar = this.axis.y.isOverflowing ? this.scrollbarWidth : 0;
this.axis.x.isOverflowing = this.axis.x.isOverflowing && contentElScrollWidth > contentWrapperElOffsetWidth - offsetForYScrollbar;
this.axis.y.isOverflowing = this.axis.y.isOverflowing && contentElScrollHeight > contentWrapperElOffsetHeight - offsetForXScrollbar;
this.axis.x.scrollbar.size = this.getScrollbarSize('x');
this.axis.y.scrollbar.size = this.getScrollbarSize('y');
this.axis.x.scrollbar.el.style.width = this.axis.x.scrollbar.size + "px";
this.axis.y.scrollbar.el.style.height = this.axis.y.scrollbar.size + "px";
this.positionScrollbar('x');
this.positionScrollbar('y');
this.toggleTrackVisibility('x');
this.toggleTrackVisibility('y');
}
/**
* Calculate scrollbar size
*/
;
_proto.getScrollbarSize = function getScrollbarSize(axis) {
if (axis === void 0) {
axis = 'y';
}
if (!this.axis[axis].isOverflowing) {
return 0;
}
var contentSize = this.contentEl[this.axis[axis].scrollSizeAttr];
var trackSize = this.axis[axis].track.el[this.axis[axis].offsetSizeAttr];
var scrollbarSize;
var scrollbarRatio = trackSize / contentSize; // Calculate new height/position of drag handle.
scrollbarSize = Math.max(~~(scrollbarRatio * trackSize), this.options.scrollbarMinSize);
if (this.options.scrollbarMaxSize) {
scrollbarSize = Math.min(scrollbarSize, this.options.scrollbarMaxSize);
}
return scrollbarSize;
};
_proto.positionScrollbar = function positionScrollbar(axis) {
if (axis === void 0) {
axis = 'y';
}
if (!this.axis[axis].isOverflowing) {
return;
}
var contentSize = this.contentWrapperEl[this.axis[axis].scrollSizeAttr];
var trackSize = this.axis[axis].track.el[this.axis[axis].offsetSizeAttr];
var hostSize = parseInt(this.elStyles[this.axis[axis].sizeAttr], 10);
var scrollbar = this.axis[axis].scrollbar;
var scrollOffset = this.contentWrapperEl[this.axis[axis].scrollOffsetAttr];
scrollOffset = axis === 'x' && this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollingInverted ? -scrollOffset : scrollOffset;
var scrollPourcent = scrollOffset / (contentSize - hostSize);
var handleOffset = ~~((trackSize - scrollbar.size) * scrollPourcent);
handleOffset = axis === 'x' && this.isRtl && SimpleBar.getRtlHelpers().isRtlScrollbarInverted ? handleOffset + (trackSize - scrollbar.size) : handleOffset;
scrollbar.el.style.transform = axis === 'x' ? "translate3d(" + handleOffset + "px, 0, 0)" : "translate3d(0, " + handleOffset + "px, 0)";
};
_proto.toggleTrackVisibility = function toggleTrackVisibility(axis) {
if (axis === void 0) {
axis = 'y';
}
var track = this.axis[axis].track.el;
var scrollbar = this.axis[axis].scrollbar.el;
if (this.axis[axis].isOverflowing || this.axis[axis].forceVisible) {
track.style.visibility = 'visible';
this.contentWrapperEl.style[this.axis[axis].overflowAttr] = 'scroll';
} else {
track.style.visibility = 'hidden';
this.contentWrapperEl.style[this.axis[axis].overflowAttr] = 'hidden';
} // Even if forceVisible is enabled, scrollbar itself should be hidden
if (this.axis[axis].isOverflowing) {
scrollbar.style.display = 'block';
} else {
scrollbar.style.display = 'none';
}
};
_proto.hideNativeScrollbar = function hideNativeScrollbar() {
this.offsetEl.style[this.isRtl ? 'left' : 'right'] = this.axis.y.isOverflowing || this.axis.y.forceVisible ? "-" + this.scrollbarWidth + "px" : 0;
this.offsetEl.style.bottom = this.axis.x.isOverflowing || this.axis.x.forceVisible ? "-" + this.scrollbarWidth + "px" : 0;
}
/**
* On scroll event handling
*/
;
_proto.onMouseMoveForAxis = function onMouseMoveForAxis(axis) {
if (axis === void 0) {
axis = 'y';
}
this.axis[axis].track.rect = this.axis[axis].track.el.getBoundingClientRect();
this.axis[axis].scrollbar.rect = this.axis[axis].scrollbar.el.getBoundingClientRect();
var isWithinScrollbarBoundsX = this.isWithinBounds(this.axis[axis].scrollbar.rect);
if (isWithinScrollbarBoundsX) {
this.axis[axis].scrollbar.el.classList.add(this.classNames.hover);
} else {
this.axis[axis].scrollbar.el.classList.remove(this.classNames.hover);
}
if (this.isWithinBounds(this.axis[axis].track.rect)) {
this.showScrollbar(axis);
this.axis[axis].track.el.classList.add(this.classNames.hover);
} else {
this.axis[axis].track.el.classList.remove(this.classNames.hover);
}
};
_proto.onMouseLeaveForAxis = function onMouseLeaveForAxis(axis) {
if (axis === void 0) {
axis = 'y';
}
this.axis[axis].track.el.classList.remove(this.classNames.hover);
this.axis[axis].scrollbar.el.classList.remove(this.classNames.hover);
};
/**
* Show scrollbar
*/
_proto.showScrollbar = function showScrollbar(axis) {
if (axis === void 0) {
axis = 'y';
}
var scrollbar = this.axis[axis].scrollbar.el;
if (!this.axis[axis].isVisible) {
scrollbar.classList.add(this.classNames.visible);
this.axis[axis].isVisible = true;
}
if (this.options.autoHide) {
this.hideScrollbars();
}
}
/**
* Hide Scrollbar
*/
;
/**
* on scrollbar handle drag movement starts
*/
_proto.onDragStart = function onDragStart(e, axis) {
if (axis === void 0) {
axis = 'y';
}
var elDocument = getElementDocument(this.el);
var elWindow = getElementWindow(this.el);
var scrollbar = this.axis[axis].scrollbar; // Measure how far the user's mouse is from the top of the scrollbar drag handle.
var eventOffset = axis === 'y' ? e.pageY : e.pageX;
this.axis[axis].dragOffset = eventOffset - scrollbar.rect[this.axis[axis].offsetAttr];
this.draggedAxis = axis;
this.el.classList.add(this.classNames.dragging);
elDocument.addEventListener('mousemove', this.drag, true);
elDocument.addEventListener('mouseup', this.onEndDrag, true);
if (this.removePreventClickId === null) {
elDocument.addEventListener('click', this.preventClick, true);
elDocument.addEventListener('dblclick', this.preventClick, true);
} else {
elWindow.clearTimeout(this.removePreventClickId);
this.removePreventClickId = null;
}
}
/**
* Drag scrollbar handle
*/
;
_proto.onTrackClick = function onTrackClick(e, axis) {
var _this4 = this;
if (axis === void 0) {
axis = 'y';
}
if (!this.options.clickOnTrack) return;
var elWindow = getElementWindow(this.el);
this.axis[axis].scrollbar.rect = this.axis[axis].scrollbar.el.getBoundingClientRect();
var scrollbar = this.axis[axis].scrollbar;
var scrollbarOffset = scrollbar.rect[this.axis[axis].offsetAttr];
var hostSize = parseInt(this.elStyles[this.axis[axis].sizeAttr], 10);
var scrolled = this.contentWrapperEl[this.axis[axis].scrollOffsetAttr];
var t = axis === 'y' ? this.mouseY - scrollbarOffset : this.mouseX - scrollbarOffset;
var dir = t < 0 ? -1 : 1;
var scrollSize = dir === -1 ? scrolled - hostSize : scrolled + hostSize;
var scrollTo = function scrollTo() {
if (dir === -1) {
if (scrolled > scrollSize) {
var _this4$contentWrapper;
scrolled -= _this4.options.clickOnTrackSpeed;
_this4.contentWrapperEl.scrollTo((_this4$contentWrapper = {}, _this4$contentWrapper[_this4.axis[axis].offsetAttr] = scrolled, _this4$contentWrapper));
elWindow.requestAnimationFrame(scrollTo);
}
} else {
if (scrolled < scrollSize) {
var _this4$contentWrapper2;
scrolled += _this4.options.clickOnTrackSpeed;
_this4.contentWrapperEl.scrollTo((_this4$contentWrapper2 = {}, _this4$contentWrapper2[_this4.axis[axis].offsetAttr] = scrolled, _this4$contentWrapper2));
elWindow.requestAnimationFrame(scrollTo);
}
}
};
scrollTo();
}
/**
* Getter for content element
*/
;
_proto.getContentElement = function getContentElement() {
return this.contentEl;
}
/**
* Getter for original scrolling element
*/
;
_proto.getScrollElement = function getScrollElement() {
return this.contentWrapperEl;
};
_proto.getScrollbarWidth = function getScrollbarWidth() {
// Try/catch for FF 56 throwing on undefined computedStyles
try {
// Detect browsers supporting CSS scrollbar styling and do not calculate
if (getComputedStyle(this.contentWrapperEl, '::-webkit-scrollbar').display === 'none' || 'scrollbarWidth' in document.documentElement.style || '-ms-overflow-style' in document.documentElement.style) {
return 0;
} else {
return scrollbarWidth(this.el);
}
} catch (e) {
return scrollbarWidth(this.el);
}
};
_proto.removeListeners = function removeListeners() {
var _this5 = this;
var elWindow = getElementWindow(this.el); // Event listeners
if (this.options.autoHide) {
this.el.removeEventListener('mouseenter', this.onMouseEnter);
}
['mousedown', 'click', 'dblclick'].forEach(function (e) {
_this5.el.removeEventListener(e, _this5.onPointerEvent, true);
});
['touchstart', 'touchend', 'touchmove'].forEach(function (e) {
_this5.el.removeEventListener(e, _this5.onPointerEvent, {
capture: true,
passive: true
});
});
this.el.removeEventListener('mousemove', this.onMouseMove);
this.el.removeEventListener('mouseleave', this.onMouseLeave);
if (this.contentWrapperEl) {
this.contentWrapperEl.removeEventListener('scroll', this.onScroll);
}
elWindow.removeEventListener('resize', this.onWindowResize);
if (this.mutationObserver) {
this.mutationObserver.disconnect();
}
if (this.resizeObserver) {
this.resizeObserver.disconnect();
} // Cancel all debounced functions
this.recalculate.cancel();
this.onMouseMove.cancel();
this.hideScrollbars.cancel();
this.onWindowResize.cancel();
}
/**
* UnMount mutation observer and delete SimpleBar instance from DOM element
*/
;
_proto.unMount = function unMount() {
this.removeListeners();
SimpleBar.instances.delete(this.el);
}
/**
* Check if mouse is within bounds
*/
;
_proto.isWithinBounds = function isWithinBounds(bbox) {
return this.mouseX >= bbox.left && this.mouseX <= bbox.left + bbox.width && this.mouseY >= bbox.top && this.mouseY <= bbox.top + bbox.height;
}
/**
* Find element children matches query
*/
;
_proto.findChild = function findChild(el, query) {
var matches = el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector;
return Array.prototype.filter.call(el.children, function (child) {
return matches.call(child, query);
})[0];
};
return SimpleBar;
}();
SimpleBar.defaultOptions = {
autoHide: true,
forceVisible: false,
clickOnTrack: true,
clickOnTrackSpeed: 40,
classNames: {
contentEl: 'simplebar-content',
contentWrapper: 'simplebar-content-wrapper',
offset: 'simplebar-offset',
mask: 'simplebar-mask',
wrapper: 'simplebar-wrapper',
placeholder: 'simplebar-placeholder',
scrollbar: 'simplebar-scrollbar',
track: 'simplebar-track',
heightAutoObserverWrapperEl: 'simplebar-height-auto-observer-wrapper',
heightAutoObserverEl: 'simplebar-height-auto-observer',
visible: 'simplebar-visible',
horizontal: 'simplebar-horizontal',
vertical: 'simplebar-vertical',
hover: 'simplebar-hover',
dragging: 'simplebar-dragging'
},
scrollbarMinSize: 25,
scrollbarMaxSize: 0,
timeout: 1000
};
SimpleBar.instances = new WeakMap();
SimpleBar.initDOMLoadedElements = function () {
document.removeEventListener('DOMContentLoaded', this.initDOMLoadedElements);
window.removeEventListener('load', this.initDOMLoadedElements);
Array.prototype.forEach.call(document.querySelectorAll('[data-simplebar]'), function (el) {
if (el.getAttribute('data-simplebar') !== 'init' && !SimpleBar.instances.has(el)) new SimpleBar(el, getOptions(el.attributes));
});
};
SimpleBar.removeObserver = function () {
this.globalObserver.disconnect();
};
SimpleBar.initHtmlApi = function () {
this.initDOMLoadedElements = this.initDOMLoadedElements.bind(this); // MutationObserver is IE11+
if (typeof MutationObserver !== 'undefined') {
// Mutation observer to observe dynamically added elements
this.globalObserver = new MutationObserver(SimpleBar.handleMutations);
this.globalObserver.observe(document, {
childList: true,
subtree: true
});
} // Taken from jQuery `ready` function
// Instantiate elements already present on the page
if (document.readyState === 'complete' || document.readyState !== 'loading' && !document.documentElement.doScroll) {
// Handle it asynchronously to allow scripts the opportunity to delay init
window.setTimeout(this.initDOMLoadedElements);
} else {
document.addEventListener('DOMContentLoaded', this.initDOMLoadedElements);
window.addEventListener('load', this.initDOMLoadedElements);
}
};
SimpleBar.handleMutations = function (mutations) {
mutations.forEach(function (mutation) {
Array.prototype.forEach.call(mutation.addedNodes, function (addedNode) {
if (addedNode.nodeType === 1) {
if (addedNode.hasAttribute('data-simplebar')) {
!SimpleBar.instances.has(addedNode) && document.documentElement.contains(addedNode) && new SimpleBar(addedNode, getOptions(addedNode.attributes));
} else {
Array.prototype.forEach.call(addedNode.querySelectorAll('[data-simplebar]'), function (el) {
if (el.getAttribute('data-simplebar') !== 'init' && !SimpleBar.instances.has(el) && document.documentElement.contains(el)) new SimpleBar(el, getOptions(el.attributes));
});
}
}
});
Array.prototype.forEach.call(mutation.removedNodes, function (removedNode) {
if (removedNode.nodeType === 1) {
if (removedNode.getAttribute('data-simplebar') === 'init') {
SimpleBar.instances.has(removedNode) && !document.documentElement.contains(removedNode) && SimpleBar.instances.get(removedNode).unMount();
} else {
Array.prototype.forEach.call(removedNode.querySelectorAll('[data-simplebar="init"]'), function (el) {
SimpleBar.instances.has(el) && !document.documentElement.contains(el) && SimpleBar.instances.get(el).unMount();
});
}
}
});
});
};
SimpleBar.getOptions = getOptions;
/**
* HTML API
* Called only in a browser env.
*/
if (canUseDom) {
SimpleBar.initHtmlApi();
}
return SimpleBar;
})));