/**
* SimpleBar.js - v5.3.0
* 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 O = "object";
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 no-undef
check(typeof globalThis == O && globalThis) ||
check(typeof window == O && window) ||
check(typeof self == O && self) ||
check(typeof commonjsGlobal == O && commonjsGlobal) ||
// eslint-disable-next-line no-new-func
Function("return this")();
var fails = function (exec) {
try {
return !!exec();
} catch (error) {
return true;
}
};
// Thank's IE8 for his funny defineProperty
var descriptors = !fails(function () {
return (
Object.defineProperty({}, "a", {
get: function () {
return 7;
},
}).a != 7
);
});
var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
// Nashorn ~ JDK8 bug
var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);
// `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable
var f = NASHORN_BUG
? function propertyIsEnumerable(V) {
var descriptor = getOwnPropertyDescriptor(this, V);
return !!descriptor && descriptor.enumerable;
}
: nativePropertyIsEnumerable;
var objectPropertyIsEnumerable = {
f: f,
};
var createPropertyDescriptor = function (bitmap, value) {
return {
enumerable: !(bitmap & 1),
configurable: !(bitmap & 2),
writable: !(bitmap & 4),
value: value,
};
};
var toString = {}.toString;
var classofRaw = function (it) {
return toString.call(it).slice(8, -1);
};
var split = "".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
return !Object("z").propertyIsEnumerable(0);
})
? function (it) {
return classofRaw(it) == "String" ? split.call(it, "") : Object(it);
}
: Object;
// `RequireObjectCoercible` abstract operation
// https://tc39.github.io/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible = function (it) {
if (it == undefined) throw TypeError("Can't call method on " + it);
return it;
};
// toObject with fallback for non-array-like ES3 strings
var toIndexedObject = function (it) {
return indexedObject(requireObjectCoercible(it));
};
var isObject = function (it) {
return typeof it === "object" ? it !== null : typeof it === "function";
};
// `ToPrimitive` abstract operation
// https://tc39.github.io/ecma262/#sec-toprimitive
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
var toPrimitive = function (input, PREFERRED_STRING) {
if (!isObject(input)) return input;
var fn, val;
if (PREFERRED_STRING && typeof (fn = input.toString) == "function" && !isObject((val = fn.call(input)))) return val;
if (typeof (fn = input.valueOf) == "function" && !isObject((val = fn.call(input)))) return val;
if (!PREFERRED_STRING && typeof (fn = input.toString) == "function" && !isObject((val = fn.call(input)))) return val;
throw TypeError("Can't convert object to primitive value");
};
var hasOwnProperty = {}.hasOwnProperty;
var has = function (it, key) {
return hasOwnProperty.call(it, key);
};
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) : {};
};
// Thank's IE8 for his funny defineProperty
var ie8DomDefine =
!descriptors &&
!fails(function () {
return (
Object.defineProperty(documentCreateElement("div"), "a", {
get: function () {
return 7;
},
}).a != 7
);
});
var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
// `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
var f$1 = descriptors
? nativeGetOwnPropertyDescriptor
: function getOwnPropertyDescriptor(O, P) {
O = toIndexedObject(O);
P = toPrimitive(P, true);
if (ie8DomDefine)
try {
return nativeGetOwnPropertyDescriptor(O, P);
} catch (error) {
/* empty */
}
if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
};
var objectGetOwnPropertyDescriptor = {
f: f$1,
};
var anObject = function (it) {
if (!isObject(it)) {
throw TypeError(String(it) + " is not an object");
}
return it;
};
var nativeDefineProperty = Object.defineProperty;
// `Object.defineProperty` method
// https://tc39.github.io/ecma262/#sec-object.defineproperty
var f$2 = descriptors
? nativeDefineProperty
: function defineProperty(O, P, Attributes) {
anObject(O);
P = toPrimitive(P, true);
anObject(Attributes);
if (ie8DomDefine)
try {
return nativeDefineProperty(O, P, Attributes);
} catch (error) {
/* empty */
}
if ("get" in Attributes || "set" in Attributes) throw TypeError("Accessors not supported");
if ("value" in Attributes) O[P] = Attributes.value;
return O;
};
var objectDefineProperty = {
f: f$2,
};
var hide = descriptors
? function (object, key, value) {
return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
}
: function (object, key, value) {
object[key] = value;
return object;
};
var setGlobal = function (key, value) {
try {
hide(global_1, key, value);
} catch (error) {
global_1[key] = value;
}
return value;
};
var shared = createCommonjsModule(function (module) {
var SHARED = "__core-js_shared__";
var store = global_1[SHARED] || setGlobal(SHARED, {});
(module.exports = function (key, value) {
return store[key] || (store[key] = value !== undefined ? value : {});
})("versions", []).push({
version: "3.2.1",
mode: "global",
copyright: "© 2019 Denis Pushkarev (zloirock.ru)",
});
});
var functionToString = shared("native-function-to-string", Function.toString);
var WeakMap$1 = global_1.WeakMap;
var nativeWeakMap = typeof WeakMap$1 === "function" && /native code/.test(functionToString.call(WeakMap$1));
var id = 0;
var postfix = Math.random();
var uid = function (key) {
return "Symbol(" + String(key === undefined ? "" : key) + ")_" + (++id + postfix).toString(36);
};
var keys = shared("keys");
var sharedKey = function (key) {
return keys[key] || (keys[key] = uid(key));
};
var hiddenKeys = {};
var WeakMap$2 = global_1.WeakMap;
var set, get, has$1;
var enforce = function (it) {
return has$1(it) ? get(it) : set(it, {});
};
var getterFor = function (TYPE) {
return function (it) {
var state;
if (!isObject(it) || (state = get(it)).type !== TYPE) {
throw TypeError("Incompatible receiver, " + TYPE + " required");
}
return state;
};
};
if (nativeWeakMap) {
var store = new WeakMap$2();
var wmget = store.get;
var wmhas = store.has;
var wmset = store.set;
set = function (it, metadata) {
wmset.call(store, it, metadata);
return metadata;
};
get = function (it) {
return wmget.call(store, it) || {};
};
has$1 = function (it) {
return wmhas.call(store, it);
};
} else {
var STATE = sharedKey("state");
hiddenKeys[STATE] = true;
set = function (it, metadata) {
hide(it, STATE, metadata);
return metadata;
};
get = function (it) {
return has(it, STATE) ? it[STATE] : {};
};
has$1 = function (it) {
return has(it, STATE);
};
}
var internalState = {
set: set,
get: get,
has: has$1,
enforce: enforce,
getterFor: getterFor,
};
var redefine = createCommonjsModule(function (module) {
var getInternalState = internalState.get;
var enforceInternalState = internalState.enforce;
var TEMPLATE = String(functionToString).split("toString");
shared("inspectSource", function (it) {
return functionToString.call(it);
});
(module.exports = function (O, key, value, options) {
var unsafe = options ? !!options.unsafe : false;
var simple = options ? !!options.enumerable : false;
var noTargetGet = options ? !!options.noTargetGet : false;
if (typeof value == "function") {
if (typeof key == "string" && !has(value, "name")) hide(value, "name", key);
enforceInternalState(value).source = TEMPLATE.join(typeof key == "string" ? key : "");
}
if (O === global_1) {
if (simple) O[key] = value;
else setGlobal(key, value);
return;
} else if (!unsafe) {
delete O[key];
} else if (!noTargetGet && O[key]) {
simple = true;
}
if (simple) O[key] = value;
else hide(O, key, value);
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
})(Function.prototype, "toString", function toString() {
return (typeof this == "function" && getInternalState(this).source) || functionToString.call(this);
});
});
var path = global_1;
var aFunction = function (variable) {
return typeof variable == "function" ? variable : undefined;
};
var getBuiltIn = function (namespace, method) {
return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global_1[namespace]) : (path[namespace] && path[namespace][method]) || (global_1[namespace] && global_1[namespace][method]);
};
var ceil = Math.ceil;
var floor = Math.floor;
// `ToInteger` abstract operation
// https://tc39.github.io/ecma262/#sec-tointeger
var toInteger = function (argument) {
return isNaN((argument = +argument)) ? 0 : (argument > 0 ? floor : ceil)(argument);
};
var min = Math.min;
// `ToLength` abstract operation
// https://tc39.github.io/ecma262/#sec-tolength
var toLength = function (argument) {
return argument > 0 ? min(toInteger(argument), 0x1fffffffffffff) : 0; // 2 ** 53 - 1 == 9007199254740991
};
var max = Math.max;
var min$1 = Math.min;
// Helper for a popular repeating case of the spec:
// Let integer be ? ToInteger(index).
// If integer < 0, let result be max((length + integer), 0); else let result be min(length, length).
var toAbsoluteIndex = function (index, length) {
var integer = toInteger(index);
return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
};
// `Array.prototype.{ indexOf, includes }` methods implementation
var createMethod = function (IS_INCLUDES) {
return function ($this, el, fromIndex) {
var O = toIndexedObject($this);
var length = toLength(O.length);
var index = toAbsoluteIndex(fromIndex, length);
var value;
// Array#includes uses SameValueZero equality algorithm
// eslint-disable-next-line no-self-compare
if (IS_INCLUDES && el != el)
while (length > index) {
value = O[index++];
// eslint-disable-next-line no-self-compare
if (value != value) return true;
// Array#indexOf ignores holes, Array#includes - not
}
else
for (; length > index; index++) {
if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
}
return !IS_INCLUDES && -1;
};
};
var arrayIncludes = {
// `Array.prototype.includes` method
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
includes: createMethod(true),
// `Array.prototype.indexOf` method
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
indexOf: createMethod(false),
};
var indexOf = arrayIncludes.indexOf;
var objectKeysInternal = function (object, names) {
var O = toIndexedObject(object);
var i = 0;
var result = [];
var key;
for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
// Don't enum bug & hidden keys
while (names.length > i)
if (has(O, (key = names[i++]))) {
~indexOf(result, key) || result.push(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.github.io/ecma262/#sec-object.getownpropertynames
var f$3 =
Object.getOwnPropertyNames ||
function getOwnPropertyNames(O) {
return objectKeysInternal(O, hiddenKeys$1);
};
var objectGetOwnPropertyNames = {
f: f$3,
};
var f$4 = Object.getOwnPropertySymbols;
var objectGetOwnPropertySymbols = {
f: f$4,
};
// 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 ? keys.concat(getOwnPropertySymbols(it)) : keys;
};
var copyConstructorProperties = function (target, source) {
var keys = ownKeys(source);
var defineProperty = objectDefineProperty.f;
var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
}
};
var replacement = /#|\.prototype\./;
var isForced = function (feature, detection) {
var value = data[normalize(feature)];
return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == "function" ? fails(detection) : !!detection;
};
var normalize = (isForced.normalize = function (string) {
return String(string).replace(replacement, ".").toLowerCase();
});
var data = (isForced.data = {});
var NATIVE = (isForced.NATIVE = "N");
var POLYFILL = (isForced.POLYFILL = "P");
var isForced_1 = isForced;
var getOwnPropertyDescriptor$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.noTargetGet - prevent calling a getter on target
*/
var _export = function (options, source) {
var TARGET = options.target;
var GLOBAL = options.global;
var STATIC = options.stat;
var FORCED, target, key, targetProperty, sourceProperty, descriptor;
if (GLOBAL) {
target = global_1;
} else if (STATIC) {
target = global_1[TARGET] || setGlobal(TARGET, {});
} else {
target = (global_1[TARGET] || {}).prototype;
}
if (target)
for (key in source) {
sourceProperty = source[key];
if (options.noTargetGet) {
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)) {
hide(sourceProperty, "sham", true);
}
// extend global
redefine(target, key, sourceProperty, options);
}
};
var aFunction$1 = function (it) {
if (typeof it != "function") {
throw TypeError(String(it) + " is not a function");
}
return it;
};
// optional / simple context binding
var bindContext = function (fn, that, length) {
aFunction$1(fn);
if (that === undefined) return fn;
switch (length) {
case 0:
return function () {
return fn.call(that);
};
case 1:
return function (a) {
return fn.call(that, a);
};
case 2:
return function (a, b) {
return fn.call(that, a, b);
};
case 3:
return function (a, b, c) {
return fn.call(that, a, b, c);
};
}
return function (/* ...args */) {
return fn.apply(that, arguments);
};
};
// `ToObject` abstract operation
// https://tc39.github.io/ecma262/#sec-toobject
var toObject = function (argument) {
return Object(requireObjectCoercible(argument));
};
// `IsArray` abstract operation
// https://tc39.github.io/ecma262/#sec-isarray
var isArray =
Array.isArray ||
function isArray(arg) {
return classofRaw(arg) == "Array";
};
var nativeSymbol =
!!Object.getOwnPropertySymbols &&
!fails(function () {
// Chrome 38 Symbol has incorrect toString conversion
// eslint-disable-next-line no-undef
return !String(Symbol());
});
var Symbol$1 = global_1.Symbol;
var store$1 = shared("wks");
var wellKnownSymbol = function (name) {
return store$1[name] || (store$1[name] = (nativeSymbol && Symbol$1[name]) || (nativeSymbol ? Symbol$1 : uid)("Symbol." + name));
};
var SPECIES = wellKnownSymbol("species");
// `ArraySpeciesCreate` abstract operation
// https://tc39.github.io/ecma262/#sec-arrayspeciescreate
var arraySpeciesCreate = function (originalArray, length) {
var C;
if (isArray(originalArray)) {
C = originalArray.constructor;
// cross-realm fallback
if (typeof C == "function" && (C === Array || isArray(C.prototype))) C = undefined;
else if (isObject(C)) {
C = C[SPECIES];
if (C === null) C = undefined;
}
}
return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
};
var push = [].push;
// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
var createMethod$1 = function (TYPE) {
var IS_MAP = TYPE == 1;
var IS_FILTER = TYPE == 2;
var IS_SOME = TYPE == 3;
var IS_EVERY = TYPE == 4;
var IS_FIND_INDEX = TYPE == 6;
var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
return function ($this, callbackfn, that, specificCreate) {
var O = toObject($this);
var self = indexedObject(O);
var boundFunction = bindContext(callbackfn, that, 3);
var length = toLength(self.length);
var index = 0;
var create = specificCreate || arraySpeciesCreate;
var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
var value, result;
for (; length > index; index++)
if (NO_HOLES || index in self) {
value = self[index];
result = boundFunction(value, index, O);
if (TYPE) {
if (IS_MAP) target[index] = result; // map
else if (result)
switch (TYPE) {
case 3:
return true; // some
case 5:
return value; // find
case 6:
return index; // findIndex
case 2:
push.call(target, value); // filter
}
else if (IS_EVERY) return false; // every
}
}
return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
};
};
var arrayIteration = {
// `Array.prototype.forEach` method
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
forEach: createMethod$1(0),
// `Array.prototype.map` method
// https://tc39.github.io/ecma262/#sec-array.prototype.map
map: createMethod$1(1),
// `Array.prototype.filter` method
// https://tc39.github.io/ecma262/#sec-array.prototype.filter
filter: createMethod$1(2),
// `Array.prototype.some` method
// https://tc39.github.io/ecma262/#sec-array.prototype.some
some: createMethod$1(3),
// `Array.prototype.every` method
// https://tc39.github.io/ecma262/#sec-array.prototype.every
every: createMethod$1(4),
// `Array.prototype.find` method
// https://tc39.github.io/ecma262/#sec-array.prototype.find
find: createMethod$1(5),
// `Array.prototype.findIndex` method
// https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
findIndex: createMethod$1(6),
};
var sloppyArrayMethod = function (METHOD_NAME, argument) {
var method = [][METHOD_NAME];
return (
!method ||
!fails(function () {
// eslint-disable-next-line no-useless-call,no-throw-literal
method.call(
null,
argument ||
function () {
throw 1;
},
1
);
})
);
};
var $forEach = arrayIteration.forEach;
// `Array.prototype.forEach` method implementation
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
var arrayForEach = sloppyArrayMethod("forEach")
? function forEach(callbackfn /* , thisArg */) {
return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
}
: [].forEach;
// `Array.prototype.forEach` method
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
_export(
{ target: "Array", proto: true, forced: [].forEach != arrayForEach },
{
forEach: arrayForEach,
}
);
// 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,
};
for (var COLLECTION_NAME in domIterables) {
var Collection = global_1[COLLECTION_NAME];
var CollectionPrototype = Collection && Collection.prototype;
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype && CollectionPrototype.forEach !== arrayForEach)
try {
hide(CollectionPrototype, "forEach", arrayForEach);
} catch (error) {
CollectionPrototype.forEach = arrayForEach;
}
}
var canUseDOM = !!(typeof window !== "undefined" && window.document && window.document.createElement);
var canUseDom = canUseDOM;
var SPECIES$1 = wellKnownSymbol("species");
var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
return !fails(function () {
var array = [];
var constructor = (array.constructor = {});
constructor[SPECIES$1] = function () {
return { foo: 1 };
};
return array[METHOD_NAME](Boolean).foo !== 1;
});
};
var $filter = arrayIteration.filter;
// `Array.prototype.filter` method
// https://tc39.github.io/ecma262/#sec-array.prototype.filter
// with adding support of @@species
_export(
{ target: "Array", proto: true, forced: !arrayMethodHasSpeciesSupport("filter") },
{
filter: function filter(callbackfn /* , thisArg */) {
return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
},
}
);
// `Object.keys` method
// https://tc39.github.io/ecma262/#sec-object.keys
var objectKeys =
Object.keys ||
function keys(O) {
return objectKeysInternal(O, enumBugKeys);
};
// `Object.defineProperties` method
// https://tc39.github.io/ecma262/#sec-object.defineproperties
var objectDefineProperties = descriptors
? Object.defineProperties
: function defineProperties(O, Properties) {
anObject(O);
var keys = objectKeys(Properties);
var length = keys.length;
var index = 0;
var key;
while (length > index) objectDefineProperty.f(O, (key = keys[index++]), Properties[key]);
return O;
};
var html = getBuiltIn("document", "documentElement");
var IE_PROTO = sharedKey("IE_PROTO");
var PROTOTYPE = "prototype";
var Empty = function () {
/* empty */
};
// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
// Thrash, waste and sodomy: IE GC bug
var iframe = documentCreateElement("iframe");
var length = enumBugKeys.length;
var lt = "<";
var script = "script";
var gt = ">";
var js = "java" + script + ":";
var iframeDocument;
iframe.style.display = "none";
html.appendChild(iframe);
iframe.src = String(js);
iframeDocument = iframe.contentWindow.document;
iframeDocument.open();
iframeDocument.write(lt + script + gt + "document.F=Object" + lt + "/" + script + gt);
iframeDocument.close();
createDict = iframeDocument.F;
while (length--) delete createDict[PROTOTYPE][enumBugKeys[length]];
return createDict();
};
// `Object.create` method
// https://tc39.github.io/ecma262/#sec-object.create
var objectCreate =
Object.create ||
function create(O, Properties) {
var result;
if (O !== null) {
Empty[PROTOTYPE] = anObject(O);
result = new Empty();
Empty[PROTOTYPE] = null;
// add "__proto__" for Object.getPrototypeOf polyfill
result[IE_PROTO] = O;
} else result = createDict();
return Properties === undefined ? result : objectDefineProperties(result, Properties);
};
hiddenKeys[IE_PROTO] = true;
var UNSCOPABLES = wellKnownSymbol("unscopables");
var ArrayPrototype = Array.prototype;
// Array.prototype[@@unscopables]
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
hide(ArrayPrototype, UNSCOPABLES, objectCreate(null));
}
// add a key to Array.prototype[@@unscopables]
var addToUnscopables = function (key) {
ArrayPrototype[UNSCOPABLES][key] = true;
};
var iterators = {};
var correctPrototypeGetter = !fails(function () {
function F() {
/* empty */
}
F.prototype.constructor = null;
return Object.getPrototypeOf(new F()) !== F.prototype;
});
var IE_PROTO$1 = sharedKey("IE_PROTO");
var ObjectPrototype = Object.prototype;
// `Object.getPrototypeOf` method
// https://tc39.github.io/ecma262/#sec-object.getprototypeof
var objectGetPrototypeOf = correctPrototypeGetter
? Object.getPrototypeOf
: function (O) {
O = toObject(O);
if (has(O, IE_PROTO$1)) return O[IE_PROTO$1];
if (typeof O.constructor == "function" && O instanceof O.constructor) {
return O.constructor.prototype;
}
return O instanceof Object ? ObjectPrototype : null;
};
var ITERATOR = wellKnownSymbol("iterator");
var BUGGY_SAFARI_ITERATORS = false;
var returnThis = function () {
return this;
};
// `%IteratorPrototype%` object
// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object
var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
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;
}
}
if (IteratorPrototype == undefined) IteratorPrototype = {};
// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
if (!has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);
var iteratorsCore = {
IteratorPrototype: IteratorPrototype,
BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS,
};
var defineProperty = objectDefineProperty.f;
var TO_STRING_TAG = wellKnownSymbol("toStringTag");
var setToStringTag = function (it, TAG, STATIC) {
if (it && !has((it = STATIC ? it : it.prototype), TO_STRING_TAG)) {
defineProperty(it, TO_STRING_TAG, { configurable: true, value: TAG });
}
};
var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;
var returnThis$1 = function () {
return this;
};
var createIteratorConstructor = function (IteratorConstructor, NAME, next) {
var TO_STRING_TAG = NAME + " Iterator";
IteratorConstructor.prototype = objectCreate(IteratorPrototype$1, { next: createPropertyDescriptor(1, next) });
setToStringTag(IteratorConstructor, TO_STRING_TAG, false);
iterators[TO_STRING_TAG] = returnThis$1;
return IteratorConstructor;
};
var aPossiblePrototype = function (it) {
if (!isObject(it) && it !== null) {
throw TypeError("Can't set " + String(it) + " as a prototype");
}
return it;
};
// `Object.setPrototypeOf` method
// https://tc39.github.io/ecma262/#sec-object.setprototypeof
// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
var objectSetPrototypeOf =
Object.setPrototypeOf ||
("__proto__" in {}
? (function () {
var CORRECT_SETTER = false;
var test = {};
var setter;
try {
setter = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__").set;
setter.call(test, []);
CORRECT_SETTER = test instanceof Array;
} catch (error) {
/* empty */
}
return function setPrototypeOf(O, proto) {
anObject(O);
aPossiblePrototype(proto);
if (CORRECT_SETTER) setter.call(O, proto);
else O.__proto__ = proto;
return O;
};
})()
: undefined);
var IteratorPrototype$2 = iteratorsCore.IteratorPrototype;
var BUGGY_SAFARI_ITERATORS$1 = iteratorsCore.BUGGY_SAFARI_ITERATORS;
var ITERATOR$1 = wellKnownSymbol("iterator");
var KEYS = "keys";
var VALUES = "values";
var ENTRIES = "entries";
var returnThis$2 = 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$1] || 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 (IteratorPrototype$2 !== Object.prototype && CurrentIteratorPrototype.next) {
if (objectGetPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype$2) {
if (objectSetPrototypeOf) {
objectSetPrototypeOf(CurrentIteratorPrototype, IteratorPrototype$2);
} else if (typeof CurrentIteratorPrototype[ITERATOR$1] != "function") {
hide(CurrentIteratorPrototype, ITERATOR$1, returnThis$2);
}
}
// Set @@toStringTag to native iterators
setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true);
}
}
// fix Array#{values, @@iterator}.name in V8 / FF
if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
INCORRECT_VALUES_NAME = true;
defaultIterator = function values() {
return nativeIterator.call(this);
};
}
// define iterator
if (IterablePrototype[ITERATOR$1] !== defaultIterator) {
hide(IterablePrototype, ITERATOR$1, defaultIterator);
}
iterators[NAME] = defaultIterator;
// 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)) {
redefine(IterablePrototype, KEY, methods[KEY]);
}
}
else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME }, methods);
}
return methods;
};
var ARRAY_ITERATOR = "Array Iterator";
var setInternalState = internalState.set;
var getInternalState = internalState.getterFor(ARRAY_ITERATOR);
// `Array.prototype.entries` method
// https://tc39.github.io/ecma262/#sec-array.prototype.entries
// `Array.prototype.keys` method
// https://tc39.github.io/ecma262/#sec-array.prototype.keys
// `Array.prototype.values` method
// https://tc39.github.io/ecma262/#sec-array.prototype.values
// `Array.prototype[@@iterator]` method
// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
// `CreateArrayIterator` internal method
// https://tc39.github.io/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.github.io/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.github.io/ecma262/#sec-createunmappedargumentsobject
// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
iterators.Arguments = iterators.Array;
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables("keys");
addToUnscopables("values");
addToUnscopables("entries");
var nativeAssign = Object.assign;
// `Object.assign` method
// https://tc39.github.io/ecma262/#sec-object.assign
// should work with symbols and should have deterministic property order (V8 bug)
var objectAssign =
!nativeAssign ||
fails(function () {
var A = {};
var B = {};
// eslint-disable-next-line no-undef
var symbol = Symbol();
var alphabet = "abcdefghijklmnopqrst";
A[symbol] = 7;
alphabet.split("").forEach(function (chr) {
B[chr] = chr;
});
return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join("") != alphabet;
})
? function assign(target, source) {
// eslint-disable-line no-unused-vars
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 ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
var length = keys.length;
var j = 0;
var key;
while (length > j) {
key = keys[j++];
if (!descriptors || propertyIsEnumerable.call(S, key)) T[key] = S[key];
}
}
return T;
}
: nativeAssign;
// `Object.assign` method
// https://tc39.github.io/ecma262/#sec-object.assign
_export(
{ target: "Object", stat: true, forced: Object.assign !== objectAssign },
{
assign: objectAssign,
}
);
var TO_STRING_TAG$1 = wellKnownSymbol("toStringTag");
// ES3 wrong here
var CORRECT_ARGUMENTS =
classofRaw(
(function () {
return arguments;
})()
) == "Arguments";
// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
try {
return it[key];
} catch (error) {
/* empty */
}
};
// getting tag from ES6+ `Object.prototype.toString`
var classof = function (it) {
var O, tag, result;
return it === undefined
? "Undefined"
: it === null
? "Null"
: // @@toStringTag case
typeof (tag = tryGet((O = Object(it)), TO_STRING_TAG$1)) == "string"
? tag
: // builtinTag case
CORRECT_ARGUMENTS
? classofRaw(O)
: // ES3 arguments fallback
(result = classofRaw(O)) == "Object" && typeof O.callee == "function"
? "Arguments"
: result;
};
var TO_STRING_TAG$2 = wellKnownSymbol("toStringTag");
var test = {};
test[TO_STRING_TAG$2] = "z";
// `Object.prototype.toString` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
var objectToString =
String(test) !== "[object z]"
? function toString() {
return "[object " + classof(this) + "]";
}
: test.toString;
var ObjectPrototype$1 = Object.prototype;
// `Object.prototype.toString` method
// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
if (objectToString !== ObjectPrototype$1.toString) {
redefine(ObjectPrototype$1, "toString", objectToString, { unsafe: true });
}
// a string of all valid unicode whitespaces
// eslint-disable-next-line max-len
var whitespaces = "\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF";
var whitespace = "[" + whitespaces + "]";
var ltrim = RegExp("^" + whitespace + whitespace + "*");
var rtrim = RegExp(whitespace + whitespace + "*$");
// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
var createMethod$2 = function (TYPE) {
return function ($this) {
var string = String(requireObjectCoercible($this));
if (TYPE & 1) string = string.replace(ltrim, "");
if (TYPE & 2) string = string.replace(rtrim, "");
return string;
};
};
var stringTrim = {
// `String.prototype.{ trimLeft, trimStart }` methods
// https://tc39.github.io/ecma262/#sec-string.prototype.trimstart
start: createMethod$2(1),
// `String.prototype.{ trimRight, trimEnd }` methods
// https://tc39.github.io/ecma262/#sec-string.prototype.trimend
end: createMethod$2(2),
// `String.prototype.trim` method
// https://tc39.github.io/ecma262/#sec-string.prototype.trim
trim: createMethod$2(3),
};
var trim = stringTrim.trim;
var nativeParseInt = global_1.parseInt;
var hex = /^[+-]?0[Xx]/;
var FORCED = nativeParseInt(whitespaces + "08") !== 8 || nativeParseInt(whitespaces + "0x16") !== 22;
// `parseInt` method
// https://tc39.github.io/ecma262/#sec-parseint-string-radix
var _parseInt = FORCED
? function parseInt(string, radix) {
var S = trim(String(string));
return nativeParseInt(S, radix >>> 0 || (hex.test(S) ? 16 : 10));
}
: nativeParseInt;
// `parseInt` method
// https://tc39.github.io/ecma262/#sec-parseint-string-radix
_export(
{ global: true, forced: parseInt != _parseInt },
{
parseInt: _parseInt,
}
);
// `String.prototype.{ codePointAt, at }` methods implementation
var createMethod$3 = function (CONVERT_TO_STRING) {
return function ($this, pos) {
var S = String(requireObjectCoercible($this));
var position = toInteger(pos);
var size = S.length;
var first, second;
if (position < 0 || position >= size) return CONVERT_TO_STRING ? "" : undefined;
first = S.charCodeAt(position);
return first < 0xd800 || first > 0xdbff || position + 1 === size || (second = S.charCodeAt(position + 1)) < 0xdc00 || second > 0xdfff ? (CONVERT_TO_STRING ? S.charAt(position) : first) : CONVERT_TO_STRING ? S.slice(position, position + 2) : ((first - 0xd800) << 10) + (second - 0xdc00) + 0x10000;
};
};
var stringMultibyte = {
// `String.prototype.codePointAt` method
// https://tc39.github.io/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 = 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.github.io/ecma262/#sec-string.prototype-@@iterator
defineIterator(
String,
"String",
function (iterated) {
setInternalState$1(this, {
type: STRING_ITERATOR,
string: String(iterated),
index: 0,
});
// `%StringIteratorPrototype%.next` method
// https://tc39.github.io/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(string, index);
state.index += point.length;
return { value: point, done: false };
}
);
var redefineAll = function (target, src, options) {
for (var key in src) redefine(target, key, src[key], options);
return target;
};
var freezing = !fails(function () {
return Object.isExtensible(Object.preventExtensions({}));
});
var internalMetadata = createCommonjsModule(function (module) {
var defineProperty = objectDefineProperty.f;
var METADATA = uid("meta");
var id = 0;
var isExtensible =
Object.isExtensible ||
function () {
return true;
};
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 (!has(it, METADATA)) {
// can't set metadata to uncaught frozen object
if (!isExtensible(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 (!has(it, METADATA)) {
// can't set metadata to uncaught frozen object
if (!isExtensible(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 && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);
return it;
};
var meta = (module.exports = {
REQUIRED: false,
fastKey: fastKey,
getWeakData: getWeakData,
onFreeze: onFreeze,
});
hiddenKeys[METADATA] = true;
});
var internalMetadata_1 = internalMetadata.REQUIRED;
var internalMetadata_2 = internalMetadata.fastKey;
var internalMetadata_3 = internalMetadata.getWeakData;
var internalMetadata_4 = internalMetadata.onFreeze;
var ITERATOR$2 = 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$2] === it);
};
var ITERATOR$3 = wellKnownSymbol("iterator");
var getIteratorMethod = function (it) {
if (it != undefined) return it[ITERATOR$3] || it["@@iterator"] || iterators[classof(it)];
};
// call something on iterator step with safe closing on error
var callWithSafeIterationClosing = function (iterator, fn, value, ENTRIES) {
try {
return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
// 7.4.6 IteratorClose(iterator, completion)
} catch (error) {
var returnMethod = iterator["return"];
if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
throw error;
}
};
var iterate_1 = createCommonjsModule(function (module) {
var Result = function (stopped, result) {
this.stopped = stopped;
this.result = result;
};
var iterate = (module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
var boundFunction = bindContext(fn, that, AS_ENTRIES ? 2 : 1);
var iterator, iterFn, index, length, result, step;
if (IS_ITERATOR) {
iterator = iterable;
} else {
iterFn = getIteratorMethod(iterable);
if (typeof iterFn != "function") throw TypeError("Target is not iterable");
// optimisation for array iterators
if (isArrayIteratorMethod(iterFn)) {
for (index = 0, length = toLength(iterable.length); length > index; index++) {
result = AS_ENTRIES ? boundFunction(anObject((step = iterable[index]))[0], step[1]) : boundFunction(iterable[index]);
if (result && result instanceof Result) return result;
}
return new Result(false);
}
iterator = iterFn.call(iterable);
}
while (!(step = iterator.next()).done) {
result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
if (result && result instanceof Result) return result;
}
return new Result(false);
});
iterate.stop = function (result) {
return new Result(true, result);
};
});
var anInstance = function (it, Constructor, name) {
if (!(it instanceof Constructor)) {
throw TypeError("Incorrect " + (name ? name + " " : "") + "invocation");
}
return it;
};
var ITERATOR$4 = wellKnownSymbol("iterator");
var SAFE_CLOSING = false;
try {
var called = 0;
var iteratorWithReturn = {
next: function () {
return { done: !!called++ };
},
return: function () {
SAFE_CLOSING = true;
},
};
iteratorWithReturn[ITERATOR$4] = function () {
return this;
};
// eslint-disable-next-line no-throw-literal
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$4] = function () {
return {
next: function () {
return { done: (ITERATION_SUPPORT = true) };
},
};
};
exec(object);
} catch (error) {
/* empty */
}
return ITERATION_SUPPORT;
};
// makes subclassing work correct for wrapped built-ins
var inheritIfRequired = function ($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
typeof (NewTarget = dummy.constructor) == "function" &&
NewTarget !== Wrapper &&
isObject((NewTargetPrototype = NewTarget.prototype)) &&
NewTargetPrototype !== Wrapper.prototype
)
objectSetPrototypeOf($this, NewTargetPrototype);
return $this;
};
var collection = function (CONSTRUCTOR_NAME, wrapper, common, IS_MAP, IS_WEAK) {
var NativeConstructor = global_1[CONSTRUCTOR_NAME];
var NativePrototype = NativeConstructor && NativeConstructor.prototype;
var Constructor = NativeConstructor;
var ADDER = IS_MAP ? "set" : "add";
var exported = {};
var fixMethod = function (KEY) {
var nativeMethod = NativePrototype[KEY];
redefine(
NativePrototype,
KEY,
KEY == "add"
? function add(value) {
nativeMethod.call(this, value === 0 ? 0 : value);
return this;
}
: KEY == "delete"
? function (key) {
return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
}
: KEY == "get"
? function get(key) {
return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
}
: KEY == "has"
? function has(key) {
return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
}
: function set(key, value) {
nativeMethod.call(this, key === 0 ? 0 : key, value);
return this;
}
);
};
// eslint-disable-next-line max-len
if (
isForced_1(
CONSTRUCTOR_NAME,
typeof NativeConstructor != "function" ||
!(
IS_WEAK ||
(NativePrototype.forEach &&
!fails(function () {
new NativeConstructor().entries().next();
}))
)
)
) {
// create collection constructor
Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
internalMetadata.REQUIRED = true;
} 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
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, Constructor, CONSTRUCTOR_NAME);
var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
if (iterable != undefined) iterate_1(iterable, that[ADDER], that, 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, 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 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) this.entries.splice(index, 1);
return !!~index;
},
};
var collectionWeak = {
getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
var C = wrapper(function (that, iterable) {
anInstance(that, C, CONSTRUCTOR_NAME);
setInternalState$2(that, {
type: CONSTRUCTOR_NAME,
id: id$1++,
frozen: undefined,
});
if (iterable != undefined) iterate_1(iterable, that[ADDER], that, IS_MAP);
});
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;
};
redefineAll(C.prototype, {
// 23.3.3.2 WeakMap.prototype.delete(key)
// 23.4.3.3 WeakSet.prototype.delete(value)
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 && has(data, state.id) && delete data[state.id];
},
// 23.3.3.4 WeakMap.prototype.has(key)
// 23.4.3.4 WeakSet.prototype.has(value)
has: function has$1(key) {
var state = getInternalState(this);
if (!isObject(key)) return false;
var data = getWeakData(key);
if (data === true) return uncaughtFrozenStore(state).has(key);
return data && has(data, state.id);
},
});
redefineAll(
C.prototype,
IS_MAP
? {
// 23.3.3.3 WeakMap.prototype.get(key)
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;
}
},
// 23.3.3.5 WeakMap.prototype.set(key, value)
set: function set(key, value) {
return define(this, key, value);
},
}
: {
// 23.4.3.1 WeakSet.prototype.add(value)
add: function add(value) {
return define(this, value, true);
},
}
);
return C;
},
};
var es_weakMap = createCommonjsModule(function (module) {
var enforceIternalState = internalState.enforce;
var IS_IE11 = !global_1.ActiveXObject && "ActiveXObject" in global_1;
var isExtensible = Object.isExtensible;
var InternalWeakMap;
var wrapper = function (get) {
return function WeakMap() {
return get(this, arguments.length ? arguments[0] : undefined);
};
};
// `WeakMap` constructor
// https://tc39.github.io/ecma262/#sec-weakmap-constructor
var $WeakMap = (module.exports = collection("WeakMap", wrapper, collectionWeak, true, true));
// 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.REQUIRED = true;
var WeakMapPrototype = $WeakMap.prototype;
var nativeDelete = WeakMapPrototype["delete"];
var nativeHas = WeakMapPrototype.has;
var nativeGet = WeakMapPrototype.get;
var nativeSet = WeakMapPrototype.set;
redefineAll(WeakMapPrototype, {
delete: function (key) {
if (isObject(key) && !isExtensible(key)) {
var state = enforceIternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeDelete.call(this, key) || state.frozen["delete"](key);
}
return nativeDelete.call(this, key);
},
has: function has(key) {
if (isObject(key) && !isExtensible(key)) {
var state = enforceIternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeHas.call(this, key) || state.frozen.has(key);
}
return nativeHas.call(this, key);
},
get: function get(key) {
if (isObject(key) && !isExtensible(key)) {
var state = enforceIternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
}
return nativeGet.call(this, key);
},
set: function set(key, value) {
if (isObject(key) && !isExtensible(key)) {
var state = enforceIternalState(this);
if (!state.frozen) state.frozen = new InternalWeakMap();
nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
} else nativeSet.call(this, key, value);
return this;
},
});
}
});
var ITERATOR$5 = wellKnownSymbol("iterator");
var TO_STRING_TAG$3 = wellKnownSymbol("toStringTag");
var ArrayValues = es_array_iterator.values;
for (var COLLECTION_NAME$1 in domIterables) {
var Collection$1 = global_1[COLLECTION_NAME$1];
var CollectionPrototype$1 = Collection$1 && Collection$1.prototype;
if (CollectionPrototype$1) {
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype$1[ITERATOR$5] !== ArrayValues)
try {
hide(CollectionPrototype$1, ITERATOR$5, ArrayValues);
} catch (error) {
CollectionPrototype$1[ITERATOR$5] = ArrayValues;
}
if (!CollectionPrototype$1[TO_STRING_TAG$3]) hide(CollectionPrototype$1, TO_STRING_TAG$3, COLLECTION_NAME$1);
if (domIterables[COLLECTION_NAME$1])
for (var METHOD_NAME in es_array_iterator) {
// some Chrome versions have non-configurable methods on DOMTokenList
if (CollectionPrototype$1[METHOD_NAME] !== es_array_iterator[METHOD_NAME])
try {
hide(CollectionPrototype$1, METHOD_NAME, es_array_iterator[METHOD_NAME]);
} catch (error) {
CollectionPrototype$1[METHOD_NAME] = es_array_iterator[METHOD_NAME];
}
}
}
}
/**
* lodash (Custom Build)
* Build: `lodash modularize exports="npm" -o ./`
* Copyright jQuery Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = "Expected a function";
/** Used as references for various `Number` constants. */
var NAN = 0 / 0;
/** `Object#toString` result references. */
var symbolTag = "[object Symbol]";
/** Used to match leading and trailing whitespace. */
var reTrim = /^\s+|\s+$/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(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(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$1(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$1(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 = arrayProto.splice;
/* Built-in method references that are verified to be native. */
var Map$1 = 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.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$1 || 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;
/**
* A collection of shims that provide minimal functionality of the ES6 collections.
*
* These implementations are not meant to be used outside of the ResizeObserver
* modules as they cover only a limited range of use cases.
*/
/* eslint-disable require-jsdoc, valid-jsdoc */
var MapShim = (function () {
if (typeof Map !== "undefined") {
return Map;
}
/**
* Returns index in provided array that matches the specified key.
*
* @param {Array} arr
* @param {*} key
* @returns {number}
*/
function getIndex(arr, key) {
var result = -1;
arr.some(function (entry, index) {
if (entry[0] === key) {
result = index;
return true;
}
return false;
});
return result;
}
return /** @class */ (function () {
function class_1() {
this.__entries__ = [];
}
Object.defineProperty(class_1.prototype, "size", {
/**
* @returns {boolean}
*/
get: function () {
return this.__entries__.length;
},
enumerable: true,
configurable: true,
});
/**
* @param {*} key
* @returns {*}
*/
class_1.prototype.get = function (key) {
var index = getIndex(this.__entries__, key);
var entry = this.__entries__[index];
return entry && entry[1];
};
/**
* @param {*} key
* @param {*} value
* @returns {void}
*/
class_1.prototype.set = function (key, value) {
var index = getIndex(this.__entries__, key);
if (~index) {
this.__entries__[index][1] = value;
} else {
this.__entries__.push([key, value]);
}
};
/**
* @param {*} key
* @returns {void}
*/
class_1.prototype.delete = function (key) {
var entries = this.__entries__;
var index = getIndex(entries, key);
if (~index) {
entries.splice(index, 1);
}
};
/**
* @param {*} key
* @returns {void}
*/
class_1.prototype.has = function (key) {
return !!~getIndex(this.__entries__, key);
};
/**
* @returns {void}
*/
class_1.prototype.clear = function () {
this.__entries__.splice(0);
};
/**
* @param {Function} callback
* @param {*} [ctx=null]
* @returns {void}
*/
class_1.prototype.forEach = function (callback, ctx) {
if (ctx === void 0) {
ctx = null;
}
for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {
var entry = _a[_i];
callback.call(ctx, entry[1], entry[0]);
}
};
return class_1;
})();
})();
/**
* Detects whether window and document objects are available in current environment.
*/
var isBrowser = typeof window !== "undefined" && typeof document !== "undefined" && window.document === document;
// Returns global object of a current environment.
var global$1 = (function () {
if (typeof global !== "undefined" && global.Math === Math) {
return global;
}
if (typeof self !== "undefined" && self.Math === Math) {
return self;
}
if (typeof window !== "undefined" && window.Math === Math) {
return window;
}
// eslint-disable-next-line no-new-func
return Function("return this")();
})();
/**
* A shim for the requestAnimationFrame which falls back to the setTimeout if
* first one is not supported.
*
* @returns {number} Requests' identifier.
*/
var requestAnimationFrame$1 = (function () {
if (typeof requestAnimationFrame === "function") {
// It's required to use a bounded function because IE sometimes throws
// an "Invalid calling object" error if rAF is invoked without the global
// object on the left hand side.
return requestAnimationFrame.bind(global$1);
}
return function (callback) {
return setTimeout(function () {
return callback(Date.now());
}, 1000 / 60);
};
})();
// Defines minimum timeout before adding a trailing call.
var trailingTimeout = 2;
/**
* Creates a wrapper function which ensures that provided callback will be
* invoked only once during the specified delay period.
*
* @param {Function} callback - Function to be invoked after the delay period.
* @param {number} delay - Delay after which to invoke callback.
* @returns {Function}
*/
function throttle$1(callback, delay) {
var leadingCall = false,
trailingCall = false,
lastCallTime = 0;
/**
* Invokes the original callback function and schedules new invocation if
* the "proxy" was called during current request.
*
* @returns {void}
*/
function resolvePending() {
if (leadingCall) {
leadingCall = false;
callback();
}
if (trailingCall) {
proxy();
}
}
/**
* Callback invoked after the specified delay. It will further postpone
* invocation of the original function delegating it to the
* requestAnimationFrame.
*
* @returns {void}
*/
function timeoutCallback() {
requestAnimationFrame$1(resolvePending);
}
/**
* Schedules invocation of the original function.
*
* @returns {void}
*/
function proxy() {
var timeStamp = Date.now();
if (leadingCall) {
// Reject immediately following calls.
if (timeStamp - lastCallTime < trailingTimeout) {
return;
}
// Schedule new call to be in invoked when the pending one is resolved.
// This is important for "transitions" which never actually start
// immediately so there is a chance that we might miss one if change
// happens amids the pending invocation.
trailingCall = true;
} else {
leadingCall = true;
trailingCall = false;
setTimeout(timeoutCallback, delay);
}
lastCallTime = timeStamp;
}
return proxy;
}
// Minimum delay before invoking the update of observers.
var REFRESH_DELAY = 20;
// A list of substrings of CSS properties used to find transition events that
// might affect dimensions of observed elements.
var transitionKeys = ["top", "right", "bottom", "left", "width", "height", "size", "weight"];
// Check if MutationObserver is available.
var mutationObserverSupported = typeof MutationObserver !== "undefined";
/**
* Singleton controller class which handles updates of ResizeObserver instances.
*/
var ResizeObserverController = /** @class */ (function () {
/**
* Creates a new instance of ResizeObserverController.
*
* @private
*/
function ResizeObserverController() {
/**
* Indicates whether DOM listeners have been added.
*
* @private {boolean}
*/
this.connected_ = false;
/**
* Tells that controller has subscribed for Mutation Events.
*
* @private {boolean}
*/
this.mutationEventsAdded_ = false;
/**
* Keeps reference to the instance of MutationObserver.
*
* @private {MutationObserver}
*/
this.mutationsObserver_ = null;
/**
* A list of connected observers.
*
* @private {Array}
*/
this.observers_ = [];
this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);
this.refresh = throttle$1(this.refresh.bind(this), REFRESH_DELAY);
}
/**
* Adds observer to observers list.
*
* @param {ResizeObserverSPI} observer - Observer to be added.
* @returns {void}
*/
ResizeObserverController.prototype.addObserver = function (observer) {
if (!~this.observers_.indexOf(observer)) {
this.observers_.push(observer);
}
// Add listeners if they haven't been added yet.
if (!this.connected_) {
this.connect_();
}
};
/**
* Removes observer from observers list.
*
* @param {ResizeObserverSPI} observer - Observer to be removed.
* @returns {void}
*/
ResizeObserverController.prototype.removeObserver = function (observer) {
var observers = this.observers_;
var index = observers.indexOf(observer);
// Remove observer if it's present in registry.
if (~index) {
observers.splice(index, 1);
}
// Remove listeners if controller has no connected observers.
if (!observers.length && this.connected_) {
this.disconnect_();
}
};
/**
* Invokes the update of observers. It will continue running updates insofar
* it detects changes.
*
* @returns {void}
*/
ResizeObserverController.prototype.refresh = function () {
var changesDetected = this.updateObservers_();
// Continue running updates if changes have been detected as there might
// be future ones caused by CSS transitions.
if (changesDetected) {
this.refresh();
}
};
/**
* Updates every observer from observers list and notifies them of queued
* entries.
*
* @private
* @returns {boolean} Returns "true" if any observer has detected changes in
* dimensions of it's elements.
*/
ResizeObserverController.prototype.updateObservers_ = function () {
// Collect observers that have active observations.
var activeObservers = this.observers_.filter(function (observer) {
return observer.gatherActive(), observer.hasActive();
});
// Deliver notifications in a separate cycle in order to avoid any
// collisions between observers, e.g. when multiple instances of
// ResizeObserver are tracking the same element and the callback of one
// of them changes content dimensions of the observed target. Sometimes
// this may result in notifications being blocked for the rest of observers.
activeObservers.forEach(function (observer) {
return observer.broadcastActive();
});
return activeObservers.length > 0;
};
/**
* Initializes DOM listeners.
*
* @private
* @returns {void}
*/
ResizeObserverController.prototype.connect_ = function () {
// Do nothing if running in a non-browser environment or if listeners
// have been already added.
if (!isBrowser || this.connected_) {
return;
}
// Subscription to the "Transitionend" event is used as a workaround for
// delayed transitions. This way it's possible to capture at least the
// final state of an element.
document.addEventListener("transitionend", this.onTransitionEnd_);
window.addEventListener("resize", this.refresh);
if (mutationObserverSupported) {
this.mutationsObserver_ = new MutationObserver(this.refresh);
this.mutationsObserver_.observe(document, {
attributes: true,
childList: true,
characterData: true,
subtree: true,
});
} else {
document.addEventListener("DOMSubtreeModified", this.refresh);
this.mutationEventsAdded_ = true;
}
this.connected_ = true;
};
/**
* Removes DOM listeners.
*
* @private
* @returns {void}
*/
ResizeObserverController.prototype.disconnect_ = function () {
// Do nothing if running in a non-browser environment or if listeners
// have been already removed.
if (!isBrowser || !this.connected_) {
return;
}
document.removeEventListener("transitionend", this.onTransitionEnd_);
window.removeEventListener("resize", this.refresh);
if (this.mutationsObserver_) {
this.mutationsObserver_.disconnect();
}
if (this.mutationEventsAdded_) {
document.removeEventListener("DOMSubtreeModified", this.refresh);
}
this.mutationsObserver_ = null;
this.mutationEventsAdded_ = false;
this.connected_ = false;
};
/**
* "Transitionend" event handler.
*
* @private
* @param {TransitionEvent} event
* @returns {void}
*/
ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {
var _b = _a.propertyName,
propertyName = _b === void 0 ? "" : _b;
// Detect whether transition may affect dimensions of an element.
var isReflowProperty = transitionKeys.some(function (key) {
return !!~propertyName.indexOf(key);
});
if (isReflowProperty) {
this.refresh();
}
};
/**
* Returns instance of the ResizeObserverController.
*
* @returns {ResizeObserverController}
*/
ResizeObserverController.getInstance = function () {
if (!this.instance_) {
this.instance_ = new ResizeObserverController();
}
return this.instance_;
};
/**
* Holds reference to the controller's instance.
*
* @private {ResizeObserverController}
*/
ResizeObserverController.instance_ = null;
return ResizeObserverController;
})();
/**
* Defines non-writable/enumerable properties of the provided target object.
*
* @param {Object} target - Object for which to define properties.
* @param {Object} props - Properties to be defined.
* @returns {Object} Target object.
*/
var defineConfigurable = function (target, props) {
for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {
var key = _a[_i];
Object.defineProperty(target, key, {
value: props[key],
enumerable: false,
writable: false,
configurable: true,
});
}
return target;
};
/**
* Returns the global object associated with provided element.
*
* @param {Object} target
* @returns {Object}
*/
var getWindowOf = function (target) {
// Assume that the element is an instance of Node, which means that it
// has the "ownerDocument" property from which we can retrieve a
// corresponding global object.
var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;
// Return the local global object if it's not possible extract one from
// provided element.
return ownerGlobal || global$1;
};
// Placeholder of an empty content rectangle.
var emptyRect = createRectInit(0, 0, 0, 0);
/**
* Converts provided string to a number.
*
* @param {number|string} value
* @returns {number}
*/
function toFloat(value) {
return parseFloat(value) || 0;
}
/**
* Extracts borders size from provided styles.
*
* @param {CSSStyleDeclaration} styles
* @param {...string} positions - Borders positions (top, right, ...)
* @returns {number}
*/
function getBordersSize(styles) {
var positions = [];
for (var _i = 1; _i < arguments.length; _i++) {
positions[_i - 1] = arguments[_i];
}
return positions.reduce(function (size, position) {
var value = styles["border-" + position + "-width"];
return size + toFloat(value);
}, 0);
}
/**
* Extracts paddings sizes from provided styles.
*
* @param {CSSStyleDeclaration} styles
* @returns {Object} Paddings box.
*/
function getPaddings(styles) {
var positions = ["top", "right", "bottom", "left"];
var paddings = {};
for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {
var position = positions_1[_i];
var value = styles["padding-" + position];
paddings[position] = toFloat(value);
}
return paddings;
}
/**
* Calculates content rectangle of provided SVG element.
*
* @param {SVGGraphicsElement} target - Element content rectangle of which needs
* to be calculated.
* @returns {DOMRectInit}
*/
function getSVGContentRect(target) {
var bbox = target.getBBox();
return createRectInit(0, 0, bbox.width, bbox.height);
}
/**
* Calculates content rectangle of provided HTMLElement.
*
* @param {HTMLElement} target - Element for which to calculate the content rectangle.
* @returns {DOMRectInit}
*/
function getHTMLElementContentRect(target) {
// Client width & height properties can't be
// used exclusively as they provide rounded values.
var clientWidth = target.clientWidth,
clientHeight = target.clientHeight;
// By this condition we can catch all non-replaced inline, hidden and
// detached elements. Though elements with width & height properties less
// than 0.5 will be discarded as well.
//
// Without it we would need to implement separate methods for each of
// those cases and it's not possible to perform a precise and performance
// effective test for hidden elements. E.g. even jQuery's ':visible' filter
// gives wrong results for elements with width & height less than 0.5.
if (!clientWidth && !clientHeight) {
return emptyRect;
}
var styles = getWindowOf(target).getComputedStyle(target);
var paddings = getPaddings(styles);
var horizPad = paddings.left + paddings.right;
var vertPad = paddings.top + paddings.bottom;
// Computed styles of width & height are being used because they are the
// only dimensions available to JS that contain non-rounded values. It could
// be possible to utilize the getBoundingClientRect if only it's data wasn't
// affected by CSS transformations let alone paddings, borders and scroll bars.
var width = toFloat(styles.width),
height = toFloat(styles.height);
// Width & height include paddings and borders when the 'border-box' box
// model is applied (except for IE).
if (styles.boxSizing === "border-box") {
// Following conditions are required to handle Internet Explorer which
// doesn't include paddings and borders to computed CSS dimensions.
//
// We can say that if CSS dimensions + paddings are equal to the "client"
// properties then it's either IE, and thus we don't need to subtract
// anything, or an element merely doesn't have paddings/borders styles.
if (Math.round(width + horizPad) !== clientWidth) {
width -= getBordersSize(styles, "left", "right") + horizPad;
}
if (Math.round(height + vertPad) !== clientHeight) {
height -= getBordersSize(styles, "top", "bottom") + vertPad;
}
}
// Following steps can't be applied to the document's root element as its
// client[Width/Height] properties represent viewport area of the window.
// Besides, it's as well not necessary as the itself neither has
// rendered scroll bars nor it can be clipped.
if (!isDocumentElement(target)) {
// In some browsers (only in Firefox, actually) CSS width & height
// include scroll bars size which can be removed at this step as scroll
// bars are the only difference between rounded dimensions + paddings
// and "client" properties, though that is not always true in Chrome.
var vertScrollbar = Math.round(width + horizPad) - clientWidth;
var horizScrollbar = Math.round(height + vertPad) - clientHeight;
// Chrome has a rather weird rounding of "client" properties.
// E.g. for an element with content width of 314.2px it sometimes gives
// the client width of 315px and for the width of 314.7px it may give
// 314px. And it doesn't happen all the time. So just ignore this delta
// as a non-relevant.
if (Math.abs(vertScrollbar) !== 1) {
width -= vertScrollbar;
}
if (Math.abs(horizScrollbar) !== 1) {
height -= horizScrollbar;
}
}
return createRectInit(paddings.left, paddings.top, width, height);
}
/**
* Checks whether provided element is an instance of the SVGGraphicsElement.
*
* @param {Element} target - Element to be checked.
* @returns {boolean}
*/
var isSVGGraphicsElement = (function () {
// Some browsers, namely IE and Edge, don't have the SVGGraphicsElement
// interface.
if (typeof SVGGraphicsElement !== "undefined") {
return function (target) {
return target instanceof getWindowOf(target).SVGGraphicsElement;
};
}
// If it's so, then check that element is at least an instance of the
// SVGElement and that it has the "getBBox" method.
// eslint-disable-next-line no-extra-parens
return function (target) {
return target instanceof getWindowOf(target).SVGElement && typeof target.getBBox === "function";
};
})();
/**
* Checks whether provided element is a document element ().
*
* @param {Element} target - Element to be checked.
* @returns {boolean}
*/
function isDocumentElement(target) {
return target === getWindowOf(target).document.documentElement;
}
/**
* Calculates an appropriate content rectangle for provided html or svg element.
*
* @param {Element} target - Element content rectangle of which needs to be calculated.
* @returns {DOMRectInit}
*/
function getContentRect(target) {
if (!isBrowser) {
return emptyRect;
}
if (isSVGGraphicsElement(target)) {
return getSVGContentRect(target);
}
return getHTMLElementContentRect(target);
}
/**
* Creates rectangle with an interface of the DOMRectReadOnly.
* Spec: https://drafts.fxtf.org/geometry/#domrectreadonly
*
* @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.
* @returns {DOMRectReadOnly}
*/
function createReadOnlyRect(_a) {
var x = _a.x,
y = _a.y,
width = _a.width,
height = _a.height;
// If DOMRectReadOnly is available use it as a prototype for the rectangle.
var Constr = typeof DOMRectReadOnly !== "undefined" ? DOMRectReadOnly : Object;
var rect = Object.create(Constr.prototype);
// Rectangle's properties are not writable and non-enumerable.
defineConfigurable(rect, {
x: x,
y: y,
width: width,
height: height,
top: y,
right: x + width,
bottom: height + y,
left: x,
});
return rect;
}
/**
* Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.
* Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit
*
* @param {number} x - X coordinate.
* @param {number} y - Y coordinate.
* @param {number} width - Rectangle's width.
* @param {number} height - Rectangle's height.
* @returns {DOMRectInit}
*/
function createRectInit(x, y, width, height) {
return { x: x, y: y, width: width, height: height };
}
/**
* Class that is responsible for computations of the content rectangle of
* provided DOM element and for keeping track of it's changes.
*/
var ResizeObservation = /** @class */ (function () {
/**
* Creates an instance of ResizeObservation.
*
* @param {Element} target - Element to be observed.
*/
function ResizeObservation(target) {
/**
* Broadcasted width of content rectangle.
*
* @type {number}
*/
this.broadcastWidth = 0;
/**
* Broadcasted height of content rectangle.
*
* @type {number}
*/
this.broadcastHeight = 0;
/**
* Reference to the last observed content rectangle.
*
* @private {DOMRectInit}
*/
this.contentRect_ = createRectInit(0, 0, 0, 0);
this.target = target;
}
/**
* Updates content rectangle and tells whether it's width or height properties
* have changed since the last broadcast.
*
* @returns {boolean}
*/
ResizeObservation.prototype.isActive = function () {
var rect = getContentRect(this.target);
this.contentRect_ = rect;
return rect.width !== this.broadcastWidth || rect.height !== this.broadcastHeight;
};
/**
* Updates 'broadcastWidth' and 'broadcastHeight' properties with a data
* from the corresponding properties of the last observed content rectangle.
*
* @returns {DOMRectInit} Last observed content rectangle.
*/
ResizeObservation.prototype.broadcastRect = function () {
var rect = this.contentRect_;
this.broadcastWidth = rect.width;
this.broadcastHeight = rect.height;
return rect;
};
return ResizeObservation;
})();
var ResizeObserverEntry = /** @class */ (function () {
/**
* Creates an instance of ResizeObserverEntry.
*
* @param {Element} target - Element that is being observed.
* @param {DOMRectInit} rectInit - Data of the element's content rectangle.
*/
function ResizeObserverEntry(target, rectInit) {
var contentRect = createReadOnlyRect(rectInit);
// According to the specification following properties are not writable
// and are also not enumerable in the native implementation.
//
// Property accessors are not being used as they'd require to define a
// private WeakMap storage which may cause memory leaks in browsers that
// don't support this type of collections.
defineConfigurable(this, { target: target, contentRect: contentRect });
}
return ResizeObserverEntry;
})();
var ResizeObserverSPI = /** @class */ (function () {
/**
* Creates a new instance of ResizeObserver.
*
* @param {ResizeObserverCallback} callback - Callback function that is invoked
* when one of the observed elements changes it's content dimensions.
* @param {ResizeObserverController} controller - Controller instance which
* is responsible for the updates of observer.
* @param {ResizeObserver} callbackCtx - Reference to the public
* ResizeObserver instance which will be passed to callback function.
*/
function ResizeObserverSPI(callback, controller, callbackCtx) {
/**
* Collection of resize observations that have detected changes in dimensions
* of elements.
*
* @private {Array}
*/
this.activeObservations_ = [];
/**
* Registry of the ResizeObservation instances.
*
* @private {Map}
*/
this.observations_ = new MapShim();
if (typeof callback !== "function") {
throw new TypeError("The callback provided as parameter 1 is not a function.");
}
this.callback_ = callback;
this.controller_ = controller;
this.callbackCtx_ = callbackCtx;
}
/**
* Starts observing provided element.
*
* @param {Element} target - Element to be observed.
* @returns {void}
*/
ResizeObserverSPI.prototype.observe = function (target) {
if (!arguments.length) {
throw new TypeError("1 argument required, but only 0 present.");
}
// Do nothing if current environment doesn't have the Element interface.
if (typeof Element === "undefined" || !(Element instanceof Object)) {
return;
}
if (!(target instanceof getWindowOf(target).Element)) {
throw new TypeError('parameter 1 is not of type "Element".');
}
var observations = this.observations_;
// Do nothing if element is already being observed.
if (observations.has(target)) {
return;
}
observations.set(target, new ResizeObservation(target));
this.controller_.addObserver(this);
// Force the update of observations.
this.controller_.refresh();
};
/**
* Stops observing provided element.
*
* @param {Element} target - Element to stop observing.
* @returns {void}
*/
ResizeObserverSPI.prototype.unobserve = function (target) {
if (!arguments.length) {
throw new TypeError("1 argument required, but only 0 present.");
}
// Do nothing if current environment doesn't have the Element interface.
if (typeof Element === "undefined" || !(Element instanceof Object)) {
return;
}
if (!(target instanceof getWindowOf(target).Element)) {
throw new TypeError('parameter 1 is not of type "Element".');
}
var observations = this.observations_;
// Do nothing if element is not being observed.
if (!observations.has(target)) {
return;
}
observations.delete(target);
if (!observations.size) {
this.controller_.removeObserver(this);
}
};
/**
* Stops observing all elements.
*
* @returns {void}
*/
ResizeObserverSPI.prototype.disconnect = function () {
this.clearActive();
this.observations_.clear();
this.controller_.removeObserver(this);
};
/**
* Collects observation instances the associated element of which has changed
* it's content rectangle.
*
* @returns {void}
*/
ResizeObserverSPI.prototype.gatherActive = function () {
var _this = this;
this.clearActive();
this.observations_.forEach(function (observation) {
if (observation.isActive()) {
_this.activeObservations_.push(observation);
}
});
};
/**
* Invokes initial callback function with a list of ResizeObserverEntry
* instances collected from active resize observations.
*
* @returns {void}
*/
ResizeObserverSPI.prototype.broadcastActive = function () {
// Do nothing if observer doesn't have active observations.
if (!this.hasActive()) {
return;
}
var ctx = this.callbackCtx_;
// Create ResizeObserverEntry instance for every active observation.
var entries = this.activeObservations_.map(function (observation) {
return new ResizeObserverEntry(observation.target, observation.broadcastRect());
});
this.callback_.call(ctx, entries, ctx);
this.clearActive();
};
/**
* Clears the collection of active observations.
*
* @returns {void}
*/
ResizeObserverSPI.prototype.clearActive = function () {
this.activeObservations_.splice(0);
};
/**
* Tells whether observer has active observations.
*
* @returns {boolean}
*/
ResizeObserverSPI.prototype.hasActive = function () {
return this.activeObservations_.length > 0;
};
return ResizeObserverSPI;
})();
// Registry of internal observers. If WeakMap is not available use current shim
// for the Map collection as it has all required methods and because WeakMap
// can't be fully polyfilled anyway.
var observers = typeof WeakMap !== "undefined" ? new WeakMap() : new MapShim();
/**
* ResizeObserver API. Encapsulates the ResizeObserver SPI implementation
* exposing only those methods and properties that are defined in the spec.
*/
var ResizeObserver = /** @class */ (function () {
/**
* Creates a new instance of ResizeObserver.
*
* @param {ResizeObserverCallback} callback - Callback that is invoked when
* dimensions of the observed elements change.
*/
function ResizeObserver(callback) {
if (!(this instanceof ResizeObserver)) {
throw new TypeError("Cannot call a class as a function.");
}
if (!arguments.length) {
throw new TypeError("1 argument required, but only 0 present.");
}
var controller = ResizeObserverController.getInstance();
var observer = new ResizeObserverSPI(callback, controller, this);
observers.set(this, observer);
}
return ResizeObserver;
})();
// Expose public methods of ResizeObserver.
["observe", "unobserve", "disconnect"].forEach(function (method) {
ResizeObserver.prototype[method] = function () {
var _a;
return (_a = observers.get(this))[method].apply(_a, arguments);
};
});
var index = (function () {
// Export existing implementation if available.
if (typeof global$1.ResizeObserver !== "undefined") {
return global$1.ResizeObserver;
}
return ResizeObserver;
})();
var cachedScrollbarWidth = null;
var cachedDevicePixelRatio = null;
if (canUseDom) {
window.addEventListener("resize", function () {
if (cachedDevicePixelRatio !== window.devicePixelRatio) {
cachedDevicePixelRatio = window.devicePixelRatio;
cachedScrollbarWidth = null;
}
});
}
function scrollbarWidth() {
if (cachedScrollbarWidth === null) {
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;
}
// `Array.prototype.{ reduce, reduceRight }` methods implementation
var createMethod$4 = function (IS_RIGHT) {
return function (that, callbackfn, argumentsLength, memo) {
aFunction$1(callbackfn);
var O = toObject(that);
var self = indexedObject(O);
var length = toLength(O.length);
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("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.github.io/ecma262/#sec-array.prototype.reduce
left: createMethod$4(false),
// `Array.prototype.reduceRight` method
// https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
right: createMethod$4(true),
};
var $reduce = arrayReduce.left;
// `Array.prototype.reduce` method
// https://tc39.github.io/ecma262/#sec-array.prototype.reduce
_export(
{ target: "Array", proto: true, forced: sloppyArrayMethod("reduce") },
{
reduce: function reduce(callbackfn /* , initialValue */) {
return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
},
}
);
var defineProperty$1 = objectDefineProperty.f;
var FunctionPrototype = Function.prototype;
var FunctionPrototypeToString = FunctionPrototype.toString;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = "name";
// Function instances `.name` property
// https://tc39.github.io/ecma262/#sec-function-instances-name
if (descriptors && !(NAME in FunctionPrototype)) {
defineProperty$1(FunctionPrototype, NAME, {
configurable: true,
get: function () {
try {
return FunctionPrototypeToString.call(this).match(nameRE)[1];
} catch (error) {
return "";
}
},
});
}
// `RegExp.prototype.flags` getter implementation
// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
var regexpFlags = function () {
var that = anObject(this);
var result = "";
if (that.global) result += "g";
if (that.ignoreCase) result += "i";
if (that.multiline) result += "m";
if (that.dotAll) result += "s";
if (that.unicode) result += "u";
if (that.sticky) result += "y";
return result;
};
var nativeExec = RegExp.prototype.exec;
// This always refers to the native implementation, because the
// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
// which loads this file before patching the method.
var nativeReplace = String.prototype.replace;
var patchedExec = nativeExec;
var UPDATES_LAST_INDEX_WRONG = (function () {
var re1 = /a/;
var re2 = /b*/g;
nativeExec.call(re1, "a");
nativeExec.call(re2, "a");
return re1.lastIndex !== 0 || re2.lastIndex !== 0;
})();
// nonparticipating capturing group, copied from es5-shim's String#split patch.
var NPCG_INCLUDED = /()??/.exec("")[1] !== undefined;
var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;
if (PATCH) {
patchedExec = function exec(str) {
var re = this;
var lastIndex, reCopy, match, i;
if (NPCG_INCLUDED) {
reCopy = new RegExp("^" + re.source + "$(?!\\s)", regexpFlags.call(re));
}
if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;
match = nativeExec.call(re, str);
if (UPDATES_LAST_INDEX_WRONG && match) {
re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
}
if (NPCG_INCLUDED && match && match.length > 1) {
// Fix browsers whose `exec` methods don't consistently return `undefined`
// for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
nativeReplace.call(match[0], reCopy, function () {
for (i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undefined) match[i] = undefined;
}
});
}
return match;
};
}
var regexpExec = patchedExec;
_export(
{ target: "RegExp", proto: true, forced: /./.exec !== regexpExec },
{
exec: regexpExec,
}
);
var SPECIES$2 = wellKnownSymbol("species");
var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
// #replace needs built-in support for named groups.
// #match works fine because it just return the exec results, even if it has
// a "grops" property.
var re = /./;
re.exec = function () {
var result = [];
result.groups = { a: "7" };
return result;
};
return "".replace(re, "$") !== "7";
});
// Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
// Weex JS has frozen built-in prototypes, so use try / catch wrapper
var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
var re = /(?:)/;
var originalExec = re.exec;
re.exec = function () {
return originalExec.apply(this, arguments);
};
var result = "ab".split(re);
return result.length !== 2 || result[0] !== "a" || result[1] !== "b";
});
var fixRegexpWellKnownSymbolLogic = function (KEY, length, exec, sham) {
var SYMBOL = wellKnownSymbol(KEY);
var DELEGATES_TO_SYMBOL = !fails(function () {
// String methods call symbol-named RegEp methods
var O = {};
O[SYMBOL] = function () {
return 7;
};
return ""[KEY](O) != 7;
});
var DELEGATES_TO_EXEC =
DELEGATES_TO_SYMBOL &&
!fails(function () {
// Symbol-named RegExp methods call .exec
var execCalled = false;
var re = /a/;
re.exec = function () {
execCalled = true;
return null;
};
if (KEY === "split") {
// RegExp[@@split] doesn't call the regex's exec method, but first creates
// a new one. We need to return the patched regex when creating the new one.
re.constructor = {};
re.constructor[SPECIES$2] = function () {
return re;
};
}
re[SYMBOL]("");
return !execCalled;
});
if (!DELEGATES_TO_SYMBOL || !DELEGATES_TO_EXEC || (KEY === "replace" && !REPLACE_SUPPORTS_NAMED_GROUPS) || (KEY === "split" && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)) {
var nativeRegExpMethod = /./[SYMBOL];
var methods = exec(SYMBOL, ""[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
if (regexp.exec === regexpExec) {
if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
// The native String method already delegates to @@method (this
// polyfilled function), leasing to infinite recursion.
// We avoid it by directly calling the native @@method method.
return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
}
return { done: true, value: nativeMethod.call(str, regexp, arg2) };
}
return { done: false };
});
var stringMethod = methods[0];
var regexMethod = methods[1];
redefine(String.prototype, KEY, stringMethod);
redefine(
RegExp.prototype,
SYMBOL,
length == 2
? // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
// 21.2.5.11 RegExp.prototype[@@split](string, limit)
function (string, arg) {
return regexMethod.call(string, this, arg);
}
: // 21.2.5.6 RegExp.prototype[@@match](string)
// 21.2.5.9 RegExp.prototype[@@search](string)
function (string) {
return regexMethod.call(string, this);
}
);
if (sham) hide(RegExp.prototype[SYMBOL], "sham", true);
}
};
var charAt$1 = stringMultibyte.charAt;
// `AdvanceStringIndex` abstract operation
// https://tc39.github.io/ecma262/#sec-advancestringindex
var advanceStringIndex = function (S, index, unicode) {
return index + (unicode ? charAt$1(S, index).length : 1);
};
// `RegExpExec` abstract operation
// https://tc39.github.io/ecma262/#sec-regexpexec
var regexpExecAbstract = function (R, S) {
var exec = R.exec;
if (typeof exec === "function") {
var result = exec.call(R, S);
if (typeof result !== "object") {
throw TypeError("RegExp exec method returned something other than an Object or null");
}
return result;
}
if (classofRaw(R) !== "RegExp") {
throw TypeError("RegExp#exec called on incompatible receiver");
}
return regexpExec.call(R, S);
};
// @@match logic
fixRegexpWellKnownSymbolLogic("match", 1, function (MATCH, nativeMatch, maybeCallNative) {
return [
// `String.prototype.match` method
// https://tc39.github.io/ecma262/#sec-string.prototype.match
function match(regexp) {
var O = requireObjectCoercible(this);
var matcher = regexp == undefined ? undefined : regexp[MATCH];
return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
},
// `RegExp.prototype[@@match]` method
// https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
function (regexp) {
var res = maybeCallNative(nativeMatch, regexp, this);
if (res.done) return res.value;
var rx = anObject(regexp);
var S = String(this);
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 = String(result[0]);
A[n] = matchStr;
if (matchStr === "") rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
n++;
}
return n === 0 ? null : A;
},
];
});
var max$1 = Math.max;
var min$2 = Math.min;
var floor$1 = Math.floor;
var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;
var maybeToString = function (it) {
return it === undefined ? it : String(it);
};
// @@replace logic
fixRegexpWellKnownSymbolLogic("replace", 2, function (REPLACE, nativeReplace, maybeCallNative) {
return [
// `String.prototype.replace` method
// https://tc39.github.io/ecma262/#sec-string.prototype.replace
function replace(searchValue, replaceValue) {
var O = requireObjectCoercible(this);
var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
return replacer !== undefined ? replacer.call(searchValue, O, replaceValue) : nativeReplace.call(String(O), searchValue, replaceValue);
},
// `RegExp.prototype[@@replace]` method
// https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
function (regexp, replaceValue) {
var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
if (res.done) return res.value;
var rx = anObject(regexp);
var S = String(this);
var functionalReplace = typeof replaceValue === "function";
if (!functionalReplace) replaceValue = String(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;
results.push(result);
if (!global) break;
var matchStr = String(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 = String(result[0]);
var position = max$1(min$2(toInteger(result.index), S.length), 0);
var captures = [];
// NOTE: This is equivalent to
// captures = result.slice(1).map(maybeToString)
// but for some reason `nativeSlice.call(result, 1, result.length)` (called in
// the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
// causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
var namedCaptures = result.groups;
if (functionalReplace) {
var replacerArgs = [matched].concat(captures, position, S);
if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
var replacement = String(replaceValue.apply(undefined, replacerArgs));
} else {
replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
}
if (position >= nextSourcePosition) {
accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
nextSourcePosition = position + matched.length;
}
}
return accumulatedResult + S.slice(nextSourcePosition);
},
];
// https://tc39.github.io/ecma262/#sec-getsubstitution
function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
var tailPos = position + matched.length;
var m = captures.length;
var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
if (namedCaptures !== undefined) {
namedCaptures = toObject(namedCaptures);
symbols = SUBSTITUTION_SYMBOLS;
}
return nativeReplace.call(replacement, symbols, function (match, ch) {
var capture;
switch (ch.charAt(0)) {
case "$":
return "$";
case "&":
return matched;
case "`":
return str.slice(0, position);
case "'":
return str.slice(tailPos);
case "<":
capture = namedCaptures[ch.slice(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 ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
return match;
}
capture = captures[n - 1];
}
return capture === 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 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.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.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 resizeObserver = elWindow.ResizeObserver || index;
this.resizeObserver = new resizeObserver(function () {
if (!resizeObserverStarted) return;
_this3.recalculate();
});
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();
}
} catch (e) {
return scrollbarWidth();
}
};
_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) && 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)) new SimpleBar(el, getOptions(el.attributes));
});
}
}
});
Array.prototype.forEach.call(mutation.removedNodes, function (removedNode) {
if (removedNode.nodeType === 1) {
if (removedNode.hasAttribute('[data-simplebar="init"]')) {
SimpleBar.instances.has(removedNode) && SimpleBar.instances.get(removedNode).unMount();
} else {
Array.prototype.forEach.call(removedNode.querySelectorAll('[data-simplebar="init"]'), function (el) {
SimpleBar.instances.has(el) && SimpleBar.instances.get(el).unMount();
});
}
}
});
});
};
SimpleBar.getOptions = getOptions;
/**
* HTML API
* Called only in a browser env.
*/
if (canUseDom) {
SimpleBar.initHtmlApi();
}
return SimpleBar;
});