diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
index 9f41d4a..797e64c 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
@@ -70,8 +70,19 @@ function each(source, callback) {
 
   return source;
 }
+const from = (arr) => {
+  if (Array.from) {
+    return Array.from(arr);
+  }
 
-const contents = (elm) => (elm ? Array.from(elm.childNodes) : []);
+  const result = [];
+  each(arr, (elm) => {
+    result.push(elm);
+  });
+  return result;
+};
+
+const contents = (elm) => (elm ? from(elm.childNodes) : []);
 
 const before = (parentElm, preferredAnchor, insertedElms) => {
   if (insertedElms) {
@@ -110,7 +121,7 @@ const appendChildren = (node, children) => {
 };
 const removeElements = (nodes) => {
   if (isArrayLike(nodes)) {
-    each(Array.from(nodes), (e) => removeElements(e));
+    each(from(nodes), (e) => removeElements(e));
   } else if (nodes) {
     const { parentNode } = nodes;
 
@@ -127,7 +138,6 @@ const createDOM = (html) => {
   return each(contents(createdDiv), (elm) => removeElements(elm));
 };
 
-const zeroDomRect = new DOMRect();
 const zeroObj = {
   w: 0,
   h: 0,
@@ -150,6 +160,7 @@ const clientSize = (elm) =>
         h: elm.clientHeight,
       }
     : zeroObj;
+const getBoundingClientRect = (elm) => elm.getBoundingClientRect();
 
 const cssNumber = {
   animationiterationcount: 1,
@@ -207,7 +218,7 @@ const zeroObj$1 = {
   y: 0,
 };
 const offset = (elm) => {
-  const rect = elm ? elm.getBoundingClientRect() : 0;
+  const rect = elm ? getBoundingClientRect(elm) : 0;
   return rect
     ? {
         x: rect.left + window.pageYOffset,
@@ -480,10 +491,9 @@ class Environment {
   }
 }
 
-const env = new Environment();
 var index = () => {
   return [
-    env,
+    new Environment(),
     createDOM(
       '\
     <div class="os-host">\
diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map
index e9fe662..62d2b56 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map
@@ -1 +1 @@
-{"version":3,"file":"overlayscrollbars.esm.js","sources":["../src/support/utils/types.ts","../src/support/dom/attribute.ts","../src/support/dom/class.ts","../src/support/utils/object.ts","../src/support/utils/array.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/dom/dimensions.ts","../src/support/dom/style.ts","../src/support/dom/offset.ts","../../../node_modules/@babel/runtime/helpers/classPrivateFieldGet.js","../../../node_modules/@babel/runtime/helpers/classPrivateFieldSet.js","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/support/options/validation.ts","../src/environment/environment.ts","../src/index.ts"],"sourcesContent":["import { PlainObject } from 'typings';\r\n\r\nexport const type: (obj: any) => string = (obj) => {\r\n  if (obj === undefined) return `${obj}`;\r\n  if (obj === null) return `${obj}`;\r\n  return Object.prototype.toString\r\n    .call(obj)\r\n    .replace(/^\\[object (.+)\\]$/, '$1')\r\n    .toLowerCase();\r\n};\r\n\r\nexport function isNumber(obj: any): obj is number {\r\n  return typeof obj === 'number';\r\n}\r\n\r\nexport function isString(obj: any): obj is string {\r\n  return typeof obj === 'string';\r\n}\r\n\r\nexport function isBoolean(obj: any): obj is boolean {\r\n  return typeof obj === 'boolean';\r\n}\r\n\r\nexport function isFunction(obj: any): obj is (...args: Array<unknown>) => unknown {\r\n  return typeof obj === 'function';\r\n}\r\n\r\nexport function isUndefined(obj: any): obj is undefined {\r\n  return obj === undefined;\r\n}\r\n\r\nexport function isNull(obj: any): obj is null {\r\n  return obj === null;\r\n}\r\n\r\nexport function isArray(obj: any): obj is Array<any> {\r\n  return Array.isArray(obj);\r\n}\r\n\r\nexport function isObject(obj: any): boolean {\r\n  return typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n}\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport function isArrayLike<T extends PlainObject = any>(obj: any): obj is ArrayLike<T> {\r\n  const length = !!obj && obj.length;\r\n  return isArray(obj) || (!isFunction(obj) && isNumber(length) && length > -1 && length % 1 == 0); // eslint-disable-line eqeqeq\r\n}\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isPlainObject<T = any>(obj: any): obj is PlainObject<T> {\r\n  if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n  let key;\r\n  const proto = 'prototype';\r\n  const { hasOwnProperty } = Object[proto];\r\n  const hasOwnConstructor = hasOwnProperty.call(obj, 'constructor');\r\n  const hasIsPrototypeOf = obj.constructor && obj.constructor[proto] && hasOwnProperty.call(obj.constructor[proto], 'isPrototypeOf');\r\n\r\n  if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n    return false;\r\n  }\r\n\r\n  /* eslint-disable no-restricted-syntax */\r\n  for (key in obj) {\r\n    /**/\r\n  }\r\n  /* eslint-enable */\r\n\r\n  return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n}\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport function isHTMLElement(obj: any): obj is HTMLElement {\r\n  const instaceOfRightHandSide = window.HTMLElement;\r\n  const doInstanceOf = isObject(instaceOfRightHandSide) || isFunction(instaceOfRightHandSide);\r\n  return !!(doInstanceOf ? obj instanceof instaceOfRightHandSide : obj && isObject(obj) && obj.nodeType === 1 && isString(obj.nodeName));\r\n}\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isEmptyObject(obj: any): boolean {\r\n  /* eslint-disable no-restricted-syntax, guard-for-in */\r\n  for (const name in obj) return false;\r\n  return true;\r\n  /* eslint-enable */\r\n}\r\n","import { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\nfunction getSetProp(\r\n  topLeft: GetSetPropName,\r\n  fallback: number | string,\r\n  elm: HTMLElement | HTMLInputElement | null,\r\n  value?: number | string\r\n): number | string | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm[topLeft] : fallback;\r\n  }\r\n  elm && (elm[topLeft] = value);\r\n}\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport function attr(elm: HTMLElement | null, attrName: string): string | null;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value: string): void;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value?: string): string | null | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm.getAttribute(attrName) : null;\r\n  }\r\n  elm && elm.setAttribute(attrName, value);\r\n}\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | null, attrName: string): void => {\r\n  elm?.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport function scrollLeft(elm: HTMLElement | null): number;\r\nexport function scrollLeft(elm: HTMLElement | null, value: number): void;\r\nexport function scrollLeft(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollLeft', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport function scrollTop(elm: HTMLElement | null): number;\r\nexport function scrollTop(elm: HTMLElement | null, value: number): void;\r\nexport function scrollTop(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollTop', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport function val(elm: HTMLInputElement | null): string;\r\nexport function val(elm: HTMLInputElement | null, value: string): void;\r\nexport function val(elm: HTMLInputElement | null, value?: string): string | void {\r\n  return getSetProp('value', '', elm, value) as string;\r\n}\r\n","import { isString } from 'support/utils/types';\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (elm: Element | null, className: string, action: (elmClassList: DOMTokenList, clazz: string) => boolean | void): boolean => {\r\n  let clazz: string;\r\n  let i = 0;\r\n  let result = false;\r\n\r\n  if (elm && isString(className)) {\r\n    const classes: Array<string> = className.match(rnothtmlwhite) || [];\r\n    result = classes.length > 0;\r\n    while ((clazz = classes[i++])) {\r\n      result = (action(elm.classList, clazz) as boolean) && result;\r\n    }\r\n  }\r\n  return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: Element | null, className: string): boolean =>\r\n  classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n */\r\nexport const addClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n};\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n","/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n  Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array<string> => (obj ? Object.keys(obj) : []);\r\n","import { keys } from 'support/utils/object';\r\nimport { isArrayLike } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T>,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,\r\n): Array<T> | ReadonlyArray<T>;\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,\r\n): Array<T> | ReadonlyArray<T> | null;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T>,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,\r\n): ArrayLike<T>;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,\r\n): ArrayLike<T> | null;\r\nexport function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;\r\nexport function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;\r\nexport function each<T>(\r\n  source: ArrayLike<T> | PlainObject | null,\r\n  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void,\r\n): Array<T> | ReadonlyArray<T> | ArrayLike<T> | PlainObject | null {\r\n  if (isArrayLike(source)) {\r\n    for (let i = 0; i < source.length; i++) {\r\n      if (callback(source[i], i, source) === false) {\r\n        break;\r\n      }\r\n    }\r\n  } else if (source) {\r\n    each(keys(source), (key) => callback(source[key], key, source));\r\n  }\r\n  return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = <T = any>(arr: Array<T>, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);\r\n","import { each } from 'support/utils/array';\r\n\r\nconst elementIsVisible = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\n\r\nexport const find = (selector: string, elm?: Element | null): ReadonlyArray<Element> => {\r\n  const arr: Array<Element> = [];\r\n\r\n  each((elm || document).querySelectorAll(selector), (e: Element) => {\r\n    arr.push(e);\r\n  });\r\n\r\n  return arr;\r\n};\r\n\r\nexport const findFirst = (selector: string, elm?: Element | null): Element | null => (elm || document).querySelector(selector);\r\n\r\nexport const is = (elm: Element | null, selector: string): boolean => {\r\n  if (elm) {\r\n    if (selector === ':visible') {\r\n      return elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (selector === ':hidden') {\r\n      return !elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (elm.matches(selector)) {\r\n      return true;\r\n    }\r\n  }\r\n  return false;\r\n};\r\n\r\nexport const children = (elm: Element | null, selector?: string): ReadonlyArray<Element> => {\r\n  const childs: Array<Element> = [];\r\n\r\n  each(elm && elm.children, (child: Element) => {\r\n    if (selector) {\r\n      if (child.matches(selector)) {\r\n        childs.push(child);\r\n      }\r\n    } else {\r\n      childs.push(child);\r\n    }\r\n  });\r\n\r\n  return childs;\r\n};\r\n\r\nexport const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? Array.from<ChildNode>(elm.childNodes) : []);\r\n\r\nexport const parent = (elm: Node | null): Node | null => (elm ? elm.parentElement : null);\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike<Node> | Node | undefined | null;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (parentElm: Node | null, preferredAnchor: Node | null, insertedElms: NodeCollection): void => {\r\n  if (insertedElms) {\r\n    let anchor: Node | null = preferredAnchor;\r\n    let fragment: DocumentFragment | Node | undefined | null;\r\n\r\n    // parent must be defined\r\n    if (parentElm) {\r\n      if (isArrayLike(insertedElms)) {\r\n        fragment = document.createDocumentFragment();\r\n\r\n        // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n        each(insertedElms, (insertedElm) => {\r\n          if (insertedElm === anchor) {\r\n            anchor = insertedElm.previousSibling;\r\n          }\r\n          fragment!.appendChild(insertedElm);\r\n        });\r\n      } else {\r\n        fragment = insertedElms;\r\n      }\r\n\r\n      // if the preferred anchor isn't null set it to a valid anchor\r\n      if (preferredAnchor) {\r\n        if (!anchor) {\r\n          anchor = parentElm.firstChild;\r\n        } else if (anchor !== preferredAnchor) {\r\n          anchor = anchor.nextSibling;\r\n        }\r\n      }\r\n\r\n      parentElm.insertBefore(fragment, anchor);\r\n    }\r\n  }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n  if (isArrayLike(nodes)) {\r\n    each(Array.from(nodes), (e) => removeElements(e));\r\n  } else if (nodes) {\r\n    const { parentNode } = nodes;\r\n    if (parentNode) {\r\n      parentNode.removeChild(nodes);\r\n    }\r\n  }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\nexport const createDiv = (): HTMLDivElement => document.createElement('div');\r\n\r\nexport const createDOM = (html: string): ReadonlyArray<Node> => {\r\n  const createdDiv = createDiv();\r\n  createdDiv.innerHTML = html.trim();\r\n\r\n  return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { WH } from 'support/dom';\r\n\r\nconst zeroDomRect = new DOMRect();\r\nconst zeroObj: WH = {\r\n  w: 0,\r\n  h: 0,\r\n};\r\n\r\nexport const windowSize = (): WH => ({\r\n  w: window.innerWidth,\r\n  h: window.innerHeight,\r\n});\r\n\r\nexport const offsetSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.offsetWidth,\r\n        h: elm.offsetHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const clientSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.clientWidth,\r\n        h: elm.clientHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const getBoundingClientRect = (elm: HTMLElement | null): DOMRect => (elm ? elm.getBoundingClientRect() : zeroDomRect);\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype CssStyles = { [key: string]: string | number };\r\nconst cssNumber = {\r\n  animationiterationcount: 1,\r\n  columncount: 1,\r\n  fillopacity: 1,\r\n  flexgrow: 1,\r\n  flexshrink: 1,\r\n  fontweight: 1,\r\n  lineheight: 1,\r\n  opacity: 1,\r\n  order: 1,\r\n  orphans: 1,\r\n  widows: 1,\r\n  zindex: 1,\r\n  zoom: 1,\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number => (!cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val);\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n  /* istanbul ignore next */\r\n  computedStyle != null ? computedStyle.getPropertyValue(prop) : elm.style[prop];\r\nconst setCSSVal = (elm: HTMLElement | null, prop: string, val: string | number): void => {\r\n  try {\r\n    if (elm && elm.style[prop] !== undefined) {\r\n      elm.style[prop] = adaptCSSVal(prop, val);\r\n    }\r\n  } catch (e) {}\r\n};\r\n\r\nexport function style(elm: HTMLElement | null, styles: CssStyles): void;\r\nexport function style(elm: HTMLElement | null, styles: string): string;\r\nexport function style(elm: HTMLElement | null, styles: Array<string> | string): { [key: string]: string };\r\nexport function style(elm: HTMLElement | null, styles: CssStyles | Array<string> | string): { [key: string]: string } | string | void {\r\n  const getSingleStyle = isString(styles);\r\n  const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n  if (getStyles) {\r\n    let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n    if (elm) {\r\n      const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n      getStylesResult = getSingleStyle\r\n        ? getCSSVal(elm, computedStyle, styles as string)\r\n        : (styles as Array<string>).reduce((result, key) => {\r\n            result[key] = getCSSVal(elm, computedStyle, key as string);\r\n            return result;\r\n          }, getStylesResult);\r\n    }\r\n    return getStylesResult;\r\n  }\r\n  each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\nexport const hide = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'none' });\r\n};\r\n\r\nexport const show = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'block' });\r\n};\r\n","import { XY } from 'support/dom';\r\n\r\nconst zeroObj: XY = {\r\n  x: 0,\r\n  y: 0,\r\n};\r\n\r\nexport const offset = (elm: HTMLElement | null): XY => {\r\n  const rect = elm ? elm.getBoundingClientRect() : 0;\r\n  return rect\r\n    ? {\r\n        x: rect.left + window.pageYOffset,\r\n        y: rect.top + window.pageXOffset,\r\n      }\r\n    : zeroObj;\r\n};\r\n\r\nexport const position = (elm: HTMLElement | null): XY =>\r\n  elm\r\n    ? {\r\n        x: elm.offsetLeft,\r\n        y: elm.offsetTop,\r\n      }\r\n    : zeroObj;\r\n","function _classPrivateFieldGet(receiver, privateMap) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to get private field on non-instance\");\n  }\n\n  if (descriptor.get) {\n    return descriptor.get.call(receiver);\n  }\n\n  return descriptor.value;\n}\n\nmodule.exports = _classPrivateFieldGet;","function _classPrivateFieldSet(receiver, privateMap, value) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to set private field on non-instance\");\n  }\n\n  if (descriptor.set) {\n    descriptor.set.call(receiver, value);\n  } else {\n    if (!descriptor.writable) {\n      throw new TypeError(\"attempted to set read only private field\");\n    }\n\n    descriptor.value = value;\n  }\n\n  return value;\n}\n\nmodule.exports = _classPrivateFieldSet;","import { each, hasOwnProperty } from 'support/utils';\r\nimport { createDiv } from 'support/dom';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray<string> = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray<string> = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without, or undefined if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string | undefined => {\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const uppercasedName: string = firstLetterToUpper(name);\r\n  const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n  each(cssPrefixes, (prefix: string) => {\r\n    const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n    const resultPossibilities: Array<string> = [\r\n      name, // transition\r\n      prefix + name, // -webkit-transition\r\n      prefixWithoutDashes + uppercasedName, // webkitTransition\r\n      firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n    ];\r\n    result = resultPossibilities.find((resultPossibility: string) => elmStyle[resultPossibility] !== undefined);\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported wuthout, or undefined if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string | undefined => {\r\n  const name = `${property} ${values}`;\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n  const possbleValues: Array<string> = values.split(' ');\r\n  const preparedSuffix: string = suffix || '';\r\n  const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n  each(possbleValues, (possibleValue: string) => {\r\n    each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n      const prop = prefix + possibleValue;\r\n      dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n      if (dummyStyle.length) {\r\n        result = prop;\r\n        return false;\r\n      }\r\n    });\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): any => {\r\n  let result: any = jsCache[name] || window[name];\r\n\r\n  if (hasOwnProperty(jsCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  each(jsPrefixes, (prefix: string) => {\r\n    result = result || window[prefix + firstLetterToUpper(name)];\r\n    return !result;\r\n  });\r\n\r\n  jsCache[name] = result;\r\n  return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const resizeObserver: any | undefined = jsAPI('ResizeObserver');\r\n","function _extends() {\n  module.exports = _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends;","import { each, indexOf, hasOwnProperty, keys } from 'support/utils';\r\nimport { type, isArray, isUndefined, isEmptyObject, isPlainObject, isString } from 'support/utils/types';\r\nimport { OptionsTemplate, OptionsTemplateTypes, OptionsTemplateType, OptionsValidated, Func, OptionsValidatedResult } from 'support/options';\r\nimport { PlainObject } from 'typings';\r\n\r\nconst { stringify } = JSON;\r\n\r\n/**\r\n * A prefix and suffix tuple which serves as recognition pattern for template types.\r\n */\r\nconst templateTypePrefixSuffix: readonly [string, string] = ['__TPL_', '_TYPE__'];\r\n/**\r\n * A object which serves as a mapping for \"normal\" types and template types.\r\n * Key   = normal type string\r\n * value = template type string\r\n */\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce(\r\n  (result, item) => {\r\n    result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];\r\n    return result;\r\n  },\r\n  {} as OptionsTemplateTypesDictionary\r\n);\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff: OptionsValidated<T>,\r\n  doWriteErrors?: boolean,\r\n  propPath?: string\r\n): OptionsValidatedResult<T> => {\r\n  const validatedOptions: OptionsValidated<T> = {};\r\n  const optionsCopy: T = { ...options };\r\n  const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n  each(props, (prop: Extract<keyof T, string>) => {\r\n    const optionsDiffValue: any = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];\r\n    const optionsValue: any = options[prop];\r\n    const templateValue: PlainObject | string | OptionsTemplateTypes | Array<OptionsTemplateTypes> = template[prop];\r\n    const templateIsComplex = isPlainObject(templateValue);\r\n    const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n    // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n    if (templateIsComplex && isPlainObject(optionsValue)) {\r\n      const validatedResult = validateRecursive(optionsValue, templateValue as PlainObject, optionsDiffValue, doWriteErrors, propPrefix + prop);\r\n      validatedOptions[prop] = validatedResult.validated;\r\n      optionsCopy[prop] = validatedResult.foreign as any;\r\n\r\n      each([optionsCopy, validatedOptions], (value) => {\r\n        if (isEmptyObject(value[prop])) {\r\n          delete value[prop];\r\n        }\r\n      });\r\n    } else if (!templateIsComplex) {\r\n      let isValid = false;\r\n      const errorEnumStrings: Array<string> = [];\r\n      const errorPossibleTypes: Array<string> = [];\r\n      const optionsValueType = type(optionsValue);\r\n      const templateValueArr: Array<string | OptionsTemplateTypes> = !isArray(templateValue)\r\n        ? [templateValue as string | OptionsTemplateTypes]\r\n        : (templateValue as Array<OptionsTemplateTypes>);\r\n\r\n      each(templateValueArr, (currTemplateType) => {\r\n        // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n        const isEnumString = indexOf(Object.values(optionsTemplateTypes), currTemplateType) < 0;\r\n        if (isEnumString && isString(optionsValue)) {\r\n          // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n          const enumStringSplit = currTemplateType.split(' ');\r\n          isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n          // build error message\r\n          errorEnumStrings.push(...enumStringSplit);\r\n        } else {\r\n          isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n        }\r\n\r\n        // build error message\r\n        errorPossibleTypes.push(isEnumString ? optionsTemplateTypes.string : currTemplateType);\r\n\r\n        // continue if invalid, break if valid\r\n        return !isValid;\r\n      });\r\n\r\n      if (isValid) {\r\n        const doStringifyComparison = isArray(optionsValue) || isPlainObject(optionsValue);\r\n        if (doStringifyComparison ? stringify(optionsValue) !== stringify(optionsDiffValue) : optionsValue !== optionsDiffValue) {\r\n          validatedOptions[prop] = optionsValue;\r\n        }\r\n      } else if (doWriteErrors) {\r\n        console.warn(\r\n          `${\r\n            `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n            `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n          }${errorEnumStrings.length > 0 ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].` : ''}`\r\n        );\r\n      }\r\n\r\n      delete optionsCopy[prop];\r\n    }\r\n  });\r\n\r\n  return {\r\n    foreign: optionsCopy,\r\n    validated: validatedOptions,\r\n  };\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validate = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff?: OptionsValidated<T>,\r\n  doWriteErrors?: boolean\r\n): OptionsValidatedResult<T> => {\r\n  /*\r\n    if (!isEmptyObject(foreign) && doWriteErrors)\r\n        console.warn(`The following options are discarded due to invalidity:\\r\\n ${window.JSON.stringify(foreign, null, 2)}`);\r\n\r\n    //add values, which aren't specified in the template, to the finished validated object to prevent them from being discarded\r\n    if (keepForeignProps) {\r\n        Object.assign(result.validated, foreign);\r\n    }\r\n    */\r\n  return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);\r\n};\r\n\r\nexport { validate, optionsTemplateTypes };\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n  readonly boolean: OptionsTemplateType<boolean>;\r\n  readonly number: OptionsTemplateType<number>;\r\n  readonly string: OptionsTemplateType<string>;\r\n  readonly array: OptionsTemplateType<Array<any>>;\r\n  readonly object: OptionsTemplateType<object>; // eslint-disable-line @typescript-eslint/ban-types\r\n  readonly function: OptionsTemplateType<Func>;\r\n  readonly null: OptionsTemplateType<null>;\r\n};\r\n","import {\r\n  createDOM,\r\n  addClass,\r\n  style,\r\n  appendChildren,\r\n  clientSize,\r\n  offset,\r\n  offsetSize,\r\n  scrollLeft,\r\n  jsAPI,\r\n  XY,\r\n  removeAttr,\r\n  removeElements,\r\n  windowSize,\r\n} from 'support';\r\n\r\ntype OnEnvironmentChanged = (env: Environment) => void;\r\n\r\nconst { abs, round } = Math;\r\n\r\nconst nativeScrollbarSize = (body: HTMLElement, measureElm: HTMLElement): XY => {\r\n  appendChildren(body, measureElm);\r\n  const cSize = clientSize(measureElm);\r\n  const oSize = offsetSize(measureElm);\r\n\r\n  return {\r\n    x: oSize.h - cSize.h,\r\n    y: oSize.w - cSize.w,\r\n  };\r\n};\r\n\r\nconst nativeScrollbarStyling = (testElm: HTMLElement): boolean => {\r\n  let result = false;\r\n  addClass(testElm, 'os-viewport-native-scrollbars-invisible');\r\n  try {\r\n    result =\r\n      style(testElm, 'scrollbar-width') === 'none' || window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';\r\n  } catch (ex) {}\r\n\r\n  return result;\r\n};\r\n\r\nconst rtlScrollBehavior = (parentElm: HTMLElement, childElm: HTMLElement): { i: boolean; n: boolean } => {\r\n  const strHidden = 'hidden';\r\n  style(parentElm, { overflowX: strHidden, overflowY: strHidden });\r\n  scrollLeft(parentElm, 0);\r\n\r\n  const parentOffset = offset(parentElm);\r\n  const childOffset = offset(childElm);\r\n  scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n  const childOffsetAfterScroll = offset(childElm);\r\n  return {\r\n    /**\r\n     * origin direction = determines if the zero scroll position is on the left or right side\r\n     * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n     * true = on the left side\r\n     * false = on the right side\r\n     */\r\n    i: parentOffset.x === childOffset.x,\r\n    /**\r\n     * negative = determines if the maximum scroll is positive or negative\r\n     * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n     * true = negative\r\n     * false = positive\r\n     */\r\n    n: childOffset.x !== childOffsetAfterScroll.x,\r\n  };\r\n};\r\n\r\nconst passiveEvents = (): boolean => {\r\n  let supportsPassive = false;\r\n  try {\r\n    /* eslint-disable */\r\n    // @ts-ignore\r\n    window.addEventListener(\r\n      'test',\r\n      null,\r\n      Object.defineProperty({}, 'passive', {\r\n        get: function () {\r\n          supportsPassive = true;\r\n        },\r\n      })\r\n    );\r\n    /* eslint-enable */\r\n  } catch (e) {}\r\n  return supportsPassive;\r\n};\r\n\r\nconst windowDPR = (): number => {\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const dDPI = window.screen.deviceXDPI || 0;\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const sDPI = window.screen.logicalXDPI || 1;\r\n  return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n  const absValOne = abs(valOne);\r\n  const absValTwo = abs(valTwo);\r\n  return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport class Environment {\r\n  #onChangedListener: Set<OnEnvironmentChanged> = new Set();\r\n\r\n  autoUpdateLoop!: boolean;\r\n\r\n  nativeScrollbarSize!: XY;\r\n\r\n  nativeScrollbarIsOverlaid!: XY<boolean>;\r\n\r\n  nativeScrollbarStyling!: boolean;\r\n\r\n  rtlScrollBehavior!: { n: boolean; i: boolean };\r\n\r\n  supportPassiveEvents!: boolean;\r\n\r\n  supportResizeObserver!: boolean;\r\n\r\n  constructor() {\r\n    const _self = this;\r\n    const { body } = document;\r\n    const envDOM = createDOM('<div id=\"os-dummy-scrollbar-size\"><div></div></div>');\r\n    const envElm = envDOM[0] as HTMLElement;\r\n    const envChildElm = envElm.firstChild as HTMLElement;\r\n\r\n    const nScrollBarSize = nativeScrollbarSize(body, envElm);\r\n    const nativeScrollbarIsOverlaid = {\r\n      x: nScrollBarSize.x === 0,\r\n      y: nScrollBarSize.y === 0,\r\n    };\r\n\r\n    _self.autoUpdateLoop = false;\r\n    _self.nativeScrollbarSize = nScrollBarSize;\r\n    _self.nativeScrollbarIsOverlaid = nativeScrollbarIsOverlaid;\r\n    _self.nativeScrollbarStyling = nativeScrollbarStyling(envElm);\r\n    _self.rtlScrollBehavior = rtlScrollBehavior(envElm, envChildElm);\r\n    _self.supportPassiveEvents = passiveEvents();\r\n    _self.supportResizeObserver = !!jsAPI('ResizeObserver');\r\n\r\n    removeAttr(envElm, 'style');\r\n    removeElements(envElm);\r\n\r\n    if (nativeScrollbarIsOverlaid.x && nativeScrollbarIsOverlaid.y) {\r\n      let size = windowSize();\r\n      let dpr = windowDPR();\r\n      const onChangedListener = this.#onChangedListener;\r\n\r\n      window.addEventListener('resize', () => {\r\n        if (onChangedListener.size) {\r\n          const sizeNew = windowSize();\r\n          const deltaSize = {\r\n            w: sizeNew.w - size.w,\r\n            h: sizeNew.h - size.h,\r\n          };\r\n\r\n          if (deltaSize.w === 0 && deltaSize.h === 0) return;\r\n\r\n          const deltaAbsSize = {\r\n            w: abs(deltaSize.w),\r\n            h: abs(deltaSize.h),\r\n          };\r\n          const deltaAbsRatio = {\r\n            w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n            h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n          };\r\n          const dprNew = windowDPR();\r\n          const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n          const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n          const dprChanged = dprNew !== dpr && dpr > 0;\r\n          const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n          const oldScrollbarSize = _self.nativeScrollbarSize;\r\n          let newScrollbarSize;\r\n\r\n          if (isZoom) {\r\n            newScrollbarSize = _self.nativeScrollbarSize = nativeScrollbarSize(body, envElm);\r\n            removeElements(envElm);\r\n\r\n            if (oldScrollbarSize.x !== newScrollbarSize.x || oldScrollbarSize.y !== newScrollbarSize.y) {\r\n              onChangedListener.forEach((listener) => listener && listener(_self));\r\n            }\r\n          }\r\n\r\n          size = sizeNew;\r\n          dpr = dprNew;\r\n        }\r\n      });\r\n    }\r\n  }\r\n\r\n  addListener(listener: OnEnvironmentChanged): void {\r\n    this.#onChangedListener.add(listener);\r\n  }\r\n\r\n  removeListener(listener: OnEnvironmentChanged): void {\r\n    this.#onChangedListener.delete(listener);\r\n  }\r\n}\r\n","import { createDOM } from 'support/dom';\r\nimport { Environment } from 'environment';\r\n\r\nconst abc = {\r\n  a: 1,\r\n  b: 1,\r\n  c: 1,\r\n};\r\nconst env = new Environment();\r\nexport default () => {\r\n  return [\r\n    env,\r\n    createDOM(\r\n      '\\\r\n    <div class=\"os-host\">\\\r\n        <div class=\"os-resize-observer-host\"></div>\\\r\n        <div class=\"os-padding\">\\\r\n            <div class=\"os-viewport\">\\\r\n                <div class=\"os-content\">\\\r\n                    fdfhdfgh\\\r\n                </div>\\\r\n            </div>\\\r\n        </div>\\\r\n        <div class=\"os-scrollbar os-scrollbar-horizontal\">\\\r\n            <div class=\"os-scrollbar-track\">\\\r\n                <div class=\"os-scrollbar-handle\"></div>\\\r\n            </div>\\\r\n        </div>\\\r\n        <div class=\"os-scrollbar os-scrollbar-vertical\">\\\r\n            <div class=\"os-scrollbar-track\">\\\r\n                <div class=\"os-scrollbar-handle\"></div>\\\r\n            </div>\\\r\n        </div>\\\r\n        <div class=\"os-scrollbar-corner\"></div>\\\r\n    </div>'\r\n    ),\r\n  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+{"version":3,"file":"overlayscrollbars.esm.js","sources":["../src/support/utils/types.ts","../src/support/dom/attribute.ts","../src/support/dom/class.ts","../src/support/utils/object.ts","../src/support/utils/array.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/dom/dimensions.ts","../src/support/dom/style.ts","../src/support/dom/offset.ts","../../../node_modules/@babel/runtime/helpers/classPrivateFieldGet.js","../../../node_modules/@babel/runtime/helpers/classPrivateFieldSet.js","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/support/options/validation.ts","../src/environment/environment.ts","../src/index.ts"],"sourcesContent":["import { PlainObject } from 'typings';\r\n\r\nexport const type: (obj: any) => string = (obj) => {\r\n  if (obj === undefined) return `${obj}`;\r\n  if (obj === null) return `${obj}`;\r\n  return Object.prototype.toString\r\n    .call(obj)\r\n    .replace(/^\\[object (.+)\\]$/, '$1')\r\n    .toLowerCase();\r\n};\r\n\r\nexport function isNumber(obj: any): obj is number {\r\n  return typeof obj === 'number';\r\n}\r\n\r\nexport function isString(obj: any): obj is string {\r\n  return typeof obj === 'string';\r\n}\r\n\r\nexport function isBoolean(obj: any): obj is boolean {\r\n  return typeof obj === 'boolean';\r\n}\r\n\r\nexport function isFunction(obj: any): obj is (...args: Array<unknown>) => unknown {\r\n  return typeof obj === 'function';\r\n}\r\n\r\nexport function isUndefined(obj: any): obj is undefined {\r\n  return obj === undefined;\r\n}\r\n\r\nexport function isNull(obj: any): obj is null {\r\n  return obj === null;\r\n}\r\n\r\nexport function isArray(obj: any): obj is Array<any> {\r\n  return Array.isArray(obj);\r\n}\r\n\r\nexport function isObject(obj: any): boolean {\r\n  return typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n}\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport function isArrayLike<T extends PlainObject = any>(obj: any): obj is ArrayLike<T> {\r\n  const length = !!obj && obj.length;\r\n  return isArray(obj) || (!isFunction(obj) && isNumber(length) && length > -1 && length % 1 == 0); // eslint-disable-line eqeqeq\r\n}\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isPlainObject<T = any>(obj: any): obj is PlainObject<T> {\r\n  if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n  let key;\r\n  const proto = 'prototype';\r\n  const { hasOwnProperty } = Object[proto];\r\n  const hasOwnConstructor = hasOwnProperty.call(obj, 'constructor');\r\n  const hasIsPrototypeOf = obj.constructor && obj.constructor[proto] && hasOwnProperty.call(obj.constructor[proto], 'isPrototypeOf');\r\n\r\n  if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n    return false;\r\n  }\r\n\r\n  /* eslint-disable no-restricted-syntax */\r\n  for (key in obj) {\r\n    /**/\r\n  }\r\n  /* eslint-enable */\r\n\r\n  return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n}\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport function isHTMLElement(obj: any): obj is HTMLElement {\r\n  const instaceOfRightHandSide = window.HTMLElement;\r\n  const doInstanceOf = isObject(instaceOfRightHandSide) || isFunction(instaceOfRightHandSide);\r\n  return !!(doInstanceOf ? obj instanceof instaceOfRightHandSide : obj && isObject(obj) && obj.nodeType === 1 && isString(obj.nodeName));\r\n}\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isEmptyObject(obj: any): boolean {\r\n  /* eslint-disable no-restricted-syntax, guard-for-in */\r\n  for (const name in obj) return false;\r\n  return true;\r\n  /* eslint-enable */\r\n}\r\n","import { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\nfunction getSetProp(\r\n  topLeft: GetSetPropName,\r\n  fallback: number | string,\r\n  elm: HTMLElement | HTMLInputElement | null,\r\n  value?: number | string\r\n): number | string | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm[topLeft] : fallback;\r\n  }\r\n  elm && (elm[topLeft] = value);\r\n}\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport function attr(elm: HTMLElement | null, attrName: string): string | null;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value: string): void;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value?: string): string | null | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm.getAttribute(attrName) : null;\r\n  }\r\n  elm && elm.setAttribute(attrName, value);\r\n}\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | null, attrName: string): void => {\r\n  elm?.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport function scrollLeft(elm: HTMLElement | null): number;\r\nexport function scrollLeft(elm: HTMLElement | null, value: number): void;\r\nexport function scrollLeft(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollLeft', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport function scrollTop(elm: HTMLElement | null): number;\r\nexport function scrollTop(elm: HTMLElement | null, value: number): void;\r\nexport function scrollTop(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollTop', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport function val(elm: HTMLInputElement | null): string;\r\nexport function val(elm: HTMLInputElement | null, value: string): void;\r\nexport function val(elm: HTMLInputElement | null, value?: string): string | void {\r\n  return getSetProp('value', '', elm, value) as string;\r\n}\r\n","import { isString } from 'support/utils/types';\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (elm: Element | null, className: string, action: (elmClassList: DOMTokenList, clazz: string) => boolean | void): boolean => {\r\n  let clazz: string;\r\n  let i = 0;\r\n  let result = false;\r\n\r\n  if (elm && isString(className)) {\r\n    const classes: Array<string> = className.match(rnothtmlwhite) || [];\r\n    result = classes.length > 0;\r\n    while ((clazz = classes[i++])) {\r\n      result = (action(elm.classList, clazz) as boolean) && result;\r\n    }\r\n  }\r\n  return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: Element | null, className: string): boolean =>\r\n  classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n */\r\nexport const addClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n};\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n","/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n  Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array<string> => (obj ? Object.keys(obj) : []);\r\n","import { keys } from 'support/utils/object';\r\nimport { isArrayLike } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T>,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void\r\n): Array<T> | ReadonlyArray<T>;\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void\r\n): Array<T> | ReadonlyArray<T> | null;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T>,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void\r\n): ArrayLike<T>;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void\r\n): ArrayLike<T> | null;\r\nexport function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;\r\nexport function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;\r\nexport function each<T>(\r\n  source: ArrayLike<T> | PlainObject | null,\r\n  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void\r\n): Array<T> | ReadonlyArray<T> | ArrayLike<T> | PlainObject | null {\r\n  if (isArrayLike(source)) {\r\n    for (let i = 0; i < source.length; i++) {\r\n      if (callback(source[i], i, source) === false) {\r\n        break;\r\n      }\r\n    }\r\n  } else if (source) {\r\n    each(keys(source), (key) => callback(source[key], key, source));\r\n  }\r\n  return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = <T = any>(arr: Array<T>, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);\r\n\r\nexport const from = <T = any>(arr: ArrayLike<T>) => {\r\n  if (Array.from) {\r\n    return Array.from(arr);\r\n  }\r\n  const result: Array<T> = [];\r\n  each(arr, (elm) => {\r\n    result.push(elm);\r\n  });\r\n  return result;\r\n};\r\n","import { each, from } from 'support/utils/array';\r\n\r\nconst elementIsVisible = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\n\r\nexport const find = (selector: string, elm?: Element | null): ReadonlyArray<Element> => {\r\n  const arr: Array<Element> = [];\r\n\r\n  each((elm || document).querySelectorAll(selector), (e: Element) => {\r\n    arr.push(e);\r\n  });\r\n\r\n  return arr;\r\n};\r\n\r\nexport const findFirst = (selector: string, elm?: Element | null): Element | null => (elm || document).querySelector(selector);\r\n\r\nexport const is = (elm: Element | null, selector: string): boolean => {\r\n  if (elm) {\r\n    if (selector === ':visible') {\r\n      return elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (selector === ':hidden') {\r\n      return !elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (elm.matches(selector)) {\r\n      return true;\r\n    }\r\n  }\r\n  return false;\r\n};\r\n\r\nexport const children = (elm: Element | null, selector?: string): ReadonlyArray<Element> => {\r\n  const childs: Array<Element> = [];\r\n\r\n  each(elm && elm.children, (child: Element) => {\r\n    if (selector) {\r\n      if (child.matches(selector)) {\r\n        childs.push(child);\r\n      }\r\n    } else {\r\n      childs.push(child);\r\n    }\r\n  });\r\n\r\n  return childs;\r\n};\r\n\r\nexport const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? from(elm.childNodes) : []);\r\n\r\nexport const parent = (elm: Node | null): Node | null => (elm ? elm.parentElement : null);\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike<Node> | Node | undefined | null;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (parentElm: Node | null, preferredAnchor: Node | null, insertedElms: NodeCollection): void => {\r\n  if (insertedElms) {\r\n    let anchor: Node | null = preferredAnchor;\r\n    let fragment: DocumentFragment | Node | undefined | null;\r\n\r\n    // parent must be defined\r\n    if (parentElm) {\r\n      if (isArrayLike(insertedElms)) {\r\n        fragment = document.createDocumentFragment();\r\n\r\n        // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n        each(insertedElms, (insertedElm) => {\r\n          if (insertedElm === anchor) {\r\n            anchor = insertedElm.previousSibling;\r\n          }\r\n          fragment!.appendChild(insertedElm);\r\n        });\r\n      } else {\r\n        fragment = insertedElms;\r\n      }\r\n\r\n      // if the preferred anchor isn't null set it to a valid anchor\r\n      if (preferredAnchor) {\r\n        if (!anchor) {\r\n          anchor = parentElm.firstChild;\r\n        } else if (anchor !== preferredAnchor) {\r\n          anchor = anchor.nextSibling;\r\n        }\r\n      }\r\n\r\n      parentElm.insertBefore(fragment, anchor);\r\n    }\r\n  }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n  if (isArrayLike(nodes)) {\r\n    each(from(nodes), (e) => removeElements(e));\r\n  } else if (nodes) {\r\n    const { parentNode } = nodes;\r\n    if (parentNode) {\r\n      parentNode.removeChild(nodes);\r\n    }\r\n  }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\nexport const createDiv = (): HTMLDivElement => document.createElement('div');\r\n\r\nexport const createDOM = (html: string): ReadonlyArray<Node> => {\r\n  const createdDiv = createDiv();\r\n  createdDiv.innerHTML = html.trim();\r\n\r\n  return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { WH } from 'support/dom';\r\n\r\nconst zeroObj: WH = {\r\n  w: 0,\r\n  h: 0,\r\n};\r\n\r\nexport const windowSize = (): WH => ({\r\n  w: window.innerWidth,\r\n  h: window.innerHeight,\r\n});\r\n\r\nexport const offsetSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.offsetWidth,\r\n        h: elm.offsetHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const clientSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.clientWidth,\r\n        h: elm.clientHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype CssStyles = { [key: string]: string | number };\r\nconst cssNumber = {\r\n  animationiterationcount: 1,\r\n  columncount: 1,\r\n  fillopacity: 1,\r\n  flexgrow: 1,\r\n  flexshrink: 1,\r\n  fontweight: 1,\r\n  lineheight: 1,\r\n  opacity: 1,\r\n  order: 1,\r\n  orphans: 1,\r\n  widows: 1,\r\n  zindex: 1,\r\n  zoom: 1,\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number => (!cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val);\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n  /* istanbul ignore next */\r\n  computedStyle != null ? computedStyle.getPropertyValue(prop) : elm.style[prop];\r\nconst setCSSVal = (elm: HTMLElement | null, prop: string, val: string | number): void => {\r\n  try {\r\n    if (elm && elm.style[prop] !== undefined) {\r\n      elm.style[prop] = adaptCSSVal(prop, val);\r\n    }\r\n  } catch (e) {}\r\n};\r\n\r\nexport function style(elm: HTMLElement | null, styles: CssStyles): void;\r\nexport function style(elm: HTMLElement | null, styles: string): string;\r\nexport function style(elm: HTMLElement | null, styles: Array<string> | string): { [key: string]: string };\r\nexport function style(elm: HTMLElement | null, styles: CssStyles | Array<string> | string): { [key: string]: string } | string | void {\r\n  const getSingleStyle = isString(styles);\r\n  const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n  if (getStyles) {\r\n    let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n    if (elm) {\r\n      const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n      getStylesResult = getSingleStyle\r\n        ? getCSSVal(elm, computedStyle, styles as string)\r\n        : (styles as Array<string>).reduce((result, key) => {\r\n            result[key] = getCSSVal(elm, computedStyle, key as string);\r\n            return result;\r\n          }, getStylesResult);\r\n    }\r\n    return getStylesResult;\r\n  }\r\n  each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\nexport const hide = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'none' });\r\n};\r\n\r\nexport const show = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'block' });\r\n};\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\nimport { XY } from 'support/dom';\r\n\r\nconst zeroObj: XY = {\r\n  x: 0,\r\n  y: 0,\r\n};\r\n\r\nexport const offset = (elm: HTMLElement | null): XY => {\r\n  const rect = elm ? getBoundingClientRect(elm) : 0;\r\n  return rect\r\n    ? {\r\n        x: rect.left + window.pageYOffset,\r\n        y: rect.top + window.pageXOffset,\r\n      }\r\n    : zeroObj;\r\n};\r\n\r\nexport const position = (elm: HTMLElement | null): XY =>\r\n  elm\r\n    ? {\r\n        x: elm.offsetLeft,\r\n        y: elm.offsetTop,\r\n      }\r\n    : zeroObj;\r\n","function _classPrivateFieldGet(receiver, privateMap) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to get private field on non-instance\");\n  }\n\n  if (descriptor.get) {\n    return descriptor.get.call(receiver);\n  }\n\n  return descriptor.value;\n}\n\nmodule.exports = _classPrivateFieldGet;","function _classPrivateFieldSet(receiver, privateMap, value) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to set private field on non-instance\");\n  }\n\n  if (descriptor.set) {\n    descriptor.set.call(receiver, value);\n  } else {\n    if (!descriptor.writable) {\n      throw new TypeError(\"attempted to set read only private field\");\n    }\n\n    descriptor.value = value;\n  }\n\n  return value;\n}\n\nmodule.exports = _classPrivateFieldSet;","import { each, hasOwnProperty } from 'support/utils';\r\nimport { createDiv } from 'support/dom';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray<string> = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray<string> = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without, or undefined if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string | undefined => {\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const uppercasedName: string = firstLetterToUpper(name);\r\n  const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n  each(cssPrefixes, (prefix: string) => {\r\n    const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n    const resultPossibilities: Array<string> = [\r\n      name, // transition\r\n      prefix + name, // -webkit-transition\r\n      prefixWithoutDashes + uppercasedName, // webkitTransition\r\n      firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n    ];\r\n    result = resultPossibilities.find((resultPossibility: string) => elmStyle[resultPossibility] !== undefined);\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported wuthout, or undefined if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string | undefined => {\r\n  const name = `${property} ${values}`;\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n  const possbleValues: Array<string> = values.split(' ');\r\n  const preparedSuffix: string = suffix || '';\r\n  const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n  each(possbleValues, (possibleValue: string) => {\r\n    each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n      const prop = prefix + possibleValue;\r\n      dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n      if (dummyStyle.length) {\r\n        result = prop;\r\n        return false;\r\n      }\r\n    });\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): any => {\r\n  let result: any = jsCache[name] || window[name];\r\n\r\n  if (hasOwnProperty(jsCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  each(jsPrefixes, (prefix: string) => {\r\n    result = result || window[prefix + firstLetterToUpper(name)];\r\n    return !result;\r\n  });\r\n\r\n  jsCache[name] = result;\r\n  return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const resizeObserver: any | undefined = jsAPI('ResizeObserver');\r\n","function _extends() {\n  module.exports = _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends;","import { each, indexOf, hasOwnProperty, keys } from 'support/utils';\r\nimport { type, isArray, isUndefined, isEmptyObject, isPlainObject, isString } from 'support/utils/types';\r\nimport { OptionsTemplate, OptionsTemplateTypes, OptionsTemplateType, OptionsValidated, Func, OptionsValidatedResult } from 'support/options';\r\nimport { PlainObject } from 'typings';\r\n\r\nconst { stringify } = JSON;\r\n\r\n/**\r\n * A prefix and suffix tuple which serves as recognition pattern for template types.\r\n */\r\nconst templateTypePrefixSuffix: readonly [string, string] = ['__TPL_', '_TYPE__'];\r\n/**\r\n * A object which serves as a mapping for \"normal\" types and template types.\r\n * Key   = normal type string\r\n * value = template type string\r\n */\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce(\r\n  (result, item) => {\r\n    result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];\r\n    return result;\r\n  },\r\n  {} as OptionsTemplateTypesDictionary\r\n);\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff: OptionsValidated<T>,\r\n  doWriteErrors?: boolean,\r\n  propPath?: string\r\n): OptionsValidatedResult<T> => {\r\n  const validatedOptions: OptionsValidated<T> = {};\r\n  const optionsCopy: T = { ...options };\r\n  const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n  each(props, (prop: Extract<keyof T, string>) => {\r\n    const optionsDiffValue: any = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];\r\n    const optionsValue: any = options[prop];\r\n    const templateValue: PlainObject | string | OptionsTemplateTypes | Array<OptionsTemplateTypes> = template[prop];\r\n    const templateIsComplex = isPlainObject(templateValue);\r\n    const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n    // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n    if (templateIsComplex && isPlainObject(optionsValue)) {\r\n      const validatedResult = validateRecursive(optionsValue, templateValue as PlainObject, optionsDiffValue, doWriteErrors, propPrefix + prop);\r\n      validatedOptions[prop] = validatedResult.validated;\r\n      optionsCopy[prop] = validatedResult.foreign as any;\r\n\r\n      each([optionsCopy, validatedOptions], (value) => {\r\n        if (isEmptyObject(value[prop])) {\r\n          delete value[prop];\r\n        }\r\n      });\r\n    } else if (!templateIsComplex) {\r\n      let isValid = false;\r\n      const errorEnumStrings: Array<string> = [];\r\n      const errorPossibleTypes: Array<string> = [];\r\n      const optionsValueType = type(optionsValue);\r\n      const templateValueArr: Array<string | OptionsTemplateTypes> = !isArray(templateValue)\r\n        ? [templateValue as string | OptionsTemplateTypes]\r\n        : (templateValue as Array<OptionsTemplateTypes>);\r\n\r\n      each(templateValueArr, (currTemplateType) => {\r\n        // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n        const isEnumString = indexOf(Object.values(optionsTemplateTypes), currTemplateType) < 0;\r\n        if (isEnumString && isString(optionsValue)) {\r\n          // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n          const enumStringSplit = currTemplateType.split(' ');\r\n          isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n          // build error message\r\n          errorEnumStrings.push(...enumStringSplit);\r\n        } else {\r\n          isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n        }\r\n\r\n        // build error message\r\n        errorPossibleTypes.push(isEnumString ? optionsTemplateTypes.string : currTemplateType);\r\n\r\n        // continue if invalid, break if valid\r\n        return !isValid;\r\n      });\r\n\r\n      if (isValid) {\r\n        const doStringifyComparison = isArray(optionsValue) || isPlainObject(optionsValue);\r\n        if (doStringifyComparison ? stringify(optionsValue) !== stringify(optionsDiffValue) : optionsValue !== optionsDiffValue) {\r\n          validatedOptions[prop] = optionsValue;\r\n        }\r\n      } else if (doWriteErrors) {\r\n        console.warn(\r\n          `${\r\n            `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n            `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n          }${errorEnumStrings.length > 0 ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].` : ''}`\r\n        );\r\n      }\r\n\r\n      delete optionsCopy[prop];\r\n    }\r\n  });\r\n\r\n  return {\r\n    foreign: optionsCopy,\r\n    validated: validatedOptions,\r\n  };\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validate = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff?: OptionsValidated<T>,\r\n  doWriteErrors?: boolean\r\n): OptionsValidatedResult<T> => {\r\n  /*\r\n    if (!isEmptyObject(foreign) && doWriteErrors)\r\n        console.warn(`The following options are discarded due to invalidity:\\r\\n ${window.JSON.stringify(foreign, null, 2)}`);\r\n\r\n    //add values, which aren't specified in the template, to the finished validated object to prevent them from being discarded\r\n    if (keepForeignProps) {\r\n        Object.assign(result.validated, foreign);\r\n    }\r\n    */\r\n  return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);\r\n};\r\n\r\nexport { validate, optionsTemplateTypes };\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n  readonly boolean: OptionsTemplateType<boolean>;\r\n  readonly number: OptionsTemplateType<number>;\r\n  readonly string: OptionsTemplateType<string>;\r\n  readonly array: OptionsTemplateType<Array<any>>;\r\n  readonly object: OptionsTemplateType<object>; // eslint-disable-line @typescript-eslint/ban-types\r\n  readonly function: OptionsTemplateType<Func>;\r\n  readonly null: OptionsTemplateType<null>;\r\n};\r\n","import {\r\n  createDOM,\r\n  addClass,\r\n  style,\r\n  appendChildren,\r\n  clientSize,\r\n  offset,\r\n  offsetSize,\r\n  scrollLeft,\r\n  jsAPI,\r\n  XY,\r\n  removeAttr,\r\n  removeElements,\r\n  windowSize,\r\n} from 'support';\r\n\r\ntype OnEnvironmentChanged = (env: Environment) => void;\r\n\r\nconst { abs, round } = Math;\r\n\r\nconst nativeScrollbarSize = (body: HTMLElement, measureElm: HTMLElement): XY => {\r\n  appendChildren(body, measureElm);\r\n  const cSize = clientSize(measureElm);\r\n  const oSize = offsetSize(measureElm);\r\n\r\n  return {\r\n    x: oSize.h - cSize.h,\r\n    y: oSize.w - cSize.w,\r\n  };\r\n};\r\n\r\nconst nativeScrollbarStyling = (testElm: HTMLElement): boolean => {\r\n  let result = false;\r\n  addClass(testElm, 'os-viewport-native-scrollbars-invisible');\r\n  try {\r\n    result =\r\n      style(testElm, 'scrollbar-width') === 'none' || window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';\r\n  } catch (ex) {}\r\n\r\n  return result;\r\n};\r\n\r\nconst rtlScrollBehavior = (parentElm: HTMLElement, childElm: HTMLElement): { i: boolean; n: boolean } => {\r\n  const strHidden = 'hidden';\r\n  style(parentElm, { overflowX: strHidden, overflowY: strHidden });\r\n  scrollLeft(parentElm, 0);\r\n\r\n  const parentOffset = offset(parentElm);\r\n  const childOffset = offset(childElm);\r\n  scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n  const childOffsetAfterScroll = offset(childElm);\r\n  return {\r\n    /**\r\n     * origin direction = determines if the zero scroll position is on the left or right side\r\n     * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n     * true = on the left side\r\n     * false = on the right side\r\n     */\r\n    i: parentOffset.x === childOffset.x,\r\n    /**\r\n     * negative = determines if the maximum scroll is positive or negative\r\n     * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n     * true = negative\r\n     * false = positive\r\n     */\r\n    n: childOffset.x !== childOffsetAfterScroll.x,\r\n  };\r\n};\r\n\r\nconst passiveEvents = (): boolean => {\r\n  let supportsPassive = false;\r\n  try {\r\n    /* eslint-disable */\r\n    // @ts-ignore\r\n    window.addEventListener(\r\n      'test',\r\n      null,\r\n      Object.defineProperty({}, 'passive', {\r\n        get: function () {\r\n          supportsPassive = true;\r\n        },\r\n      })\r\n    );\r\n    /* eslint-enable */\r\n  } catch (e) {}\r\n  return supportsPassive;\r\n};\r\n\r\nconst windowDPR = (): number => {\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const dDPI = window.screen.deviceXDPI || 0;\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const sDPI = window.screen.logicalXDPI || 1;\r\n  return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n  const absValOne = abs(valOne);\r\n  const absValTwo = abs(valTwo);\r\n  return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport class Environment {\r\n  #onChangedListener: Set<OnEnvironmentChanged> = new Set();\r\n\r\n  autoUpdateLoop!: boolean;\r\n\r\n  nativeScrollbarSize!: XY;\r\n\r\n  nativeScrollbarIsOverlaid!: XY<boolean>;\r\n\r\n  nativeScrollbarStyling!: boolean;\r\n\r\n  rtlScrollBehavior!: { n: boolean; i: boolean };\r\n\r\n  supportPassiveEvents!: boolean;\r\n\r\n  supportResizeObserver!: boolean;\r\n\r\n  constructor() {\r\n    const _self = this;\r\n    const { body } = document;\r\n    const envDOM = createDOM('<div id=\"os-dummy-scrollbar-size\"><div></div></div>');\r\n    const envElm = envDOM[0] as HTMLElement;\r\n    const envChildElm = envElm.firstChild as HTMLElement;\r\n\r\n    const nScrollBarSize = nativeScrollbarSize(body, envElm);\r\n    const nativeScrollbarIsOverlaid = {\r\n      x: nScrollBarSize.x === 0,\r\n      y: nScrollBarSize.y === 0,\r\n    };\r\n\r\n    _self.autoUpdateLoop = false;\r\n    _self.nativeScrollbarSize = nScrollBarSize;\r\n    _self.nativeScrollbarIsOverlaid = nativeScrollbarIsOverlaid;\r\n    _self.nativeScrollbarStyling = nativeScrollbarStyling(envElm);\r\n    _self.rtlScrollBehavior = rtlScrollBehavior(envElm, envChildElm);\r\n    _self.supportPassiveEvents = passiveEvents();\r\n    _self.supportResizeObserver = !!jsAPI('ResizeObserver');\r\n\r\n    removeAttr(envElm, 'style');\r\n    removeElements(envElm);\r\n\r\n    if (nativeScrollbarIsOverlaid.x && nativeScrollbarIsOverlaid.y) {\r\n      let size = windowSize();\r\n      let dpr = windowDPR();\r\n      const onChangedListener = this.#onChangedListener;\r\n\r\n      window.addEventListener('resize', () => {\r\n        if (onChangedListener.size) {\r\n          const sizeNew = windowSize();\r\n          const deltaSize = {\r\n            w: sizeNew.w - size.w,\r\n            h: sizeNew.h - size.h,\r\n          };\r\n\r\n          if (deltaSize.w === 0 && deltaSize.h === 0) return;\r\n\r\n          const deltaAbsSize = {\r\n            w: abs(deltaSize.w),\r\n            h: abs(deltaSize.h),\r\n          };\r\n          const deltaAbsRatio = {\r\n            w: abs(round(sizeNew.w / (size.w / 100.0))),\r\n            h: abs(round(sizeNew.h / (size.h / 100.0))),\r\n          };\r\n          const dprNew = windowDPR();\r\n          const deltaIsBigger = deltaAbsSize.w > 2 && deltaAbsSize.h > 2;\r\n          const difference = !diffBiggerThanOne(deltaAbsRatio.w, deltaAbsRatio.h);\r\n          const dprChanged = dprNew !== dpr && dpr > 0;\r\n          const isZoom = deltaIsBigger && difference && dprChanged;\r\n\r\n          const oldScrollbarSize = _self.nativeScrollbarSize;\r\n          let newScrollbarSize;\r\n\r\n          if (isZoom) {\r\n            newScrollbarSize = _self.nativeScrollbarSize = nativeScrollbarSize(body, envElm);\r\n            removeElements(envElm);\r\n\r\n            if (oldScrollbarSize.x !== newScrollbarSize.x || oldScrollbarSize.y !== newScrollbarSize.y) {\r\n              onChangedListener.forEach((listener) => listener && listener(_self));\r\n            }\r\n          }\r\n\r\n          size = sizeNew;\r\n          dpr = dprNew;\r\n        }\r\n      });\r\n    }\r\n  }\r\n\r\n  addListener(listener: OnEnvironmentChanged): void {\r\n    this.#onChangedListener.add(listener);\r\n  }\r\n\r\n  removeListener(listener: OnEnvironmentChanged): void {\r\n    this.#onChangedListener.delete(listener);\r\n  }\r\n}\r\n","import { createDOM } from 'support/dom';\r\nimport { Environment } from 'environment';\r\n\r\nconst abc = {\r\n  a: 1,\r\n  b: 1,\r\n  c: 1,\r\n};\r\n\r\nexport default () => {\r\n  return 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diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.min.js b/packages/overlayscrollbars/dist/overlayscrollbars.esm.min.js
index f5225bb..33c75b7 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.min.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.min.js
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\ No newline at end of file
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if(e){const{parentNode:t}=e;t&&t.removeChild(e)}},v=e=>{const t=document.createElement("div");return t.innerHTML=e.trim(),a((r=t)?c(r.childNodes):[],e=>u(e));var r},f={w:0,h:0},h=()=>({w:window.innerWidth,h:window.innerHeight}),w={animationiterationcount:1,columncount:1,fillopacity:1,flexgrow:1,flexshrink:1,fontweight:1,lineheight:1,opacity:1,order:1,orphans:1,widows:1,zindex:1,zoom:1},p=(e,t,r)=>null!=t?t.getPropertyValue(r):e.style[r],y=(t,r,n)=>{try{t&&void 0!==t.style[r]&&(t.style[r]=((t,r)=>!w[t.toLowerCase()]&&e(r)?r+"px":r)(r,n))}catch(o){}};function b(e,n){const o=t(n);if(r(n)||o){let t=o?"":{};if(e){const r=window.getComputedStyle(e,null);t=o?p(e,r,n):n.reduce((t,n)=>(t[n]=p(e,r,n),t),t)}return t}a(l(n),t=>y(e,t,n[t]))}const g={x:0,y:0},m=e=>{const t=e?(e=>e.getBoundingClientRect())(e):0;return t?{x:t.left+window.pageYOffset,y:t.top+window.pageXOffset}:g};var x=function(e,t){var r=t.get(e);if(!r)throw new TypeError("attempted to get private field on non-instance");return r.get?r.get.call(e):r.value};var S=function(e,t,r){var n=t.get(e);if(!n)throw new TypeError("attempted to set private field on non-instance");if(n.set)n.set.call(e,r);else{if(!n.writable)throw new TypeError("attempted to set read only private field");n.value=r}return r};const z=["WebKit","Moz","O","MS","webkit","moz","o","ms"],O={},P=e=>{let t=O[e]||window[e];return r=O,n=e,Object.prototype.hasOwnProperty.call(r,n)||(a(z,r=>{var n;return t=t||window[r+(n=e,n.charAt(0).toUpperCase()+n.slice(1))],!t}),O[e]=t),t;var r,n};P("ResizeObserver");!function(e,t,r){e(r={path:t,exports:{},require:function(e,t){return function(){throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs")}(null==t&&r.path)}},r.exports),r.exports}((function(e){function t(){return e.exports=t=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e},t.apply(this,arguments)}e.exports=t}));const E=["__TPL_","_TYPE__"],{abs:L,round:C}=(["boolean","number","string","array","object","function","null"].reduce((e,t)=>(e[t]=E[0]+t+E[1],e),{}),Math),j=(e,t)=>{d(e,t);const r=(n=t)?{w:n.clientWidth,h:n.clientHeight}:f;var n;const o=(e=>e?{w:e.offsetWidth,h:e.offsetHeight}:f)(t);return{x:o.h-r.h,y:o.w-r.w}},k=()=>{const e=window.screen.deviceXDPI||0,t=window.screen.logicalXDPI||1;return window.devicePixelRatio||e/t};var A=new WeakMap;class T{constructor(){A.set(this,{writable:!0,value:void 0}),S(this,A,new Set);const e=this,{body:t}=document,r=v('<div id="os-dummy-scrollbar-size"><div></div></div>')[0],n=r.firstChild,i=j(t,r),l={x:0===i.x,y:0===i.y};var a,c;if(e.autoUpdateLoop=!1,e.nativeScrollbarSize=i,e.nativeScrollbarIsOverlaid=l,e.nativeScrollbarStyling=(e=>{let t=!1;s(e,"os-viewport-native-scrollbars-invisible");try{t="none"===b(e,"scrollbar-width")||"none"===window.getComputedStyle(e,"::-webkit-scrollbar").getPropertyValue("display")}catch(r){}return t})(r),e.rtlScrollBehavior=((e,t)=>{b(e,{overflowX:"hidden",overflowY:"hidden"}),o(e,0);const r=m(e),n=m(t);o(e,-999);const i=m(t);return{i:r.x===n.x,n:n.x!==i.x}})(r,n),e.supportPassiveEvents=(()=>{let e=!1;try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:function(){e=!0}}))}catch(t){}return e})(),e.supportResizeObserver=!!P("ResizeObserver"),c="style",null==(a=r)||a.removeAttribute(c),u(r),l.x&&l.y){let n=h(),o=k();const i=x(this,A);window.addEventListener("resize",()=>{if(i.size){const s=h(),l={w:s.w-n.w,h:s.h-n.h};if(0===l.w&&0===l.h)return;const a={w:L(l.w),h:L(l.h)},c={w:L(C(s.w/(n.w/100))),h:L(C(s.h/(n.h/100)))},d=k(),v=a.w>2&&a.h>2,f=!((e,t)=>{const r=L(e),n=L(t);return!(r===n||r+1===n||r-1===n)})(c.w,c.h),w=d!==o&&o>0,p=v&&f&&w,y=e.nativeScrollbarSize;let b;p&&(b=e.nativeScrollbarSize=j(t,r),u(r),y.x===b.x&&y.y===b.y||i.forEach(t=>t&&t(e))),n=s,o=d}})}}addListener(e){x(this,A).add(e)}removeListener(e){x(this,A).delete(e)}}export default()=>[new T,v('    <div class="os-host">        <div class="os-resize-observer-host"></div>        <div class="os-padding">            <div class="os-viewport">                <div class="os-content">                    fdfhdfgh                </div>            </div>        </div>        <div class="os-scrollbar os-scrollbar-horizontal">            <div class="os-scrollbar-track">                <div class="os-scrollbar-handle"></div>            </div>        </div>        <div class="os-scrollbar os-scrollbar-vertical">            <div class="os-scrollbar-track">                <div class="os-scrollbar-handle"></div>            </div>        </div>        <div class="os-scrollbar-corner"></div>    </div>')];
\ No newline at end of file
diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.js b/packages/overlayscrollbars/dist/overlayscrollbars.js
index 6a88645..47d9a45 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.js
@@ -87,9 +87,20 @@
 
     return source;
   }
+  var from = function from(arr) {
+    if (Array.from) {
+      return Array.from(arr);
+    }
+
+    var result = [];
+    each(arr, function (elm) {
+      result.push(elm);
+    });
+    return result;
+  };
 
   var contents = function contents(elm) {
-    return elm ? Array.from(elm.childNodes) : [];
+    return elm ? from(elm.childNodes) : [];
   };
 
   var before = function before(parentElm, preferredAnchor, insertedElms) {
@@ -129,7 +140,7 @@
   };
   var removeElements = function removeElements(nodes) {
     if (isArrayLike(nodes)) {
-      each(Array.from(nodes), function (e) {
+      each(from(nodes), function (e) {
         return removeElements(e);
       });
     } else if (nodes) {
@@ -152,7 +163,6 @@
     });
   };
 
-  var zeroDomRect = new DOMRect();
   var zeroObj = {
     w: 0,
     h: 0,
@@ -179,6 +189,9 @@
         }
       : zeroObj;
   };
+  var getBoundingClientRect = function getBoundingClientRect(elm) {
+    return elm.getBoundingClientRect();
+  };
 
   var cssNumber = {
     animationiterationcount: 1,
@@ -242,7 +255,7 @@
     y: 0,
   };
   var offset = function offset(elm) {
-    var rect = elm ? elm.getBoundingClientRect() : 0;
+    var rect = elm ? getBoundingClientRect(elm) : 0;
     return rect
       ? {
           x: rect.left + window.pageYOffset,
@@ -526,10 +539,9 @@
     return Environment;
   })();
 
-  var env = new Environment();
   var index = function () {
     return [
-      env,
+      new Environment(),
       createDOM(
         '\
     <div class="os-host">\
diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.js.map
index 8f76ec5..8748c37 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.js.map
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.js.map
@@ -1 +1 @@
-{"version":3,"file":"overlayscrollbars.js","sources":["../src/support/utils/types.ts","../src/support/dom/attribute.ts","../src/support/dom/class.ts","../src/support/utils/object.ts","../src/support/utils/array.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/dom/dimensions.ts","../src/support/dom/style.ts","../src/support/dom/offset.ts","../../../node_modules/@babel/runtime/helpers/classPrivateFieldGet.js","../../../node_modules/@babel/runtime/helpers/classPrivateFieldSet.js","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/support/options/validation.ts","../src/environment/environment.ts","../src/index.ts"],"sourcesContent":["import { PlainObject } from 'typings';\r\n\r\nexport const type: (obj: any) => string = (obj) => {\r\n  if (obj === undefined) return `${obj}`;\r\n  if (obj === null) return `${obj}`;\r\n  return Object.prototype.toString\r\n    .call(obj)\r\n    .replace(/^\\[object (.+)\\]$/, '$1')\r\n    .toLowerCase();\r\n};\r\n\r\nexport function isNumber(obj: any): obj is number {\r\n  return typeof obj === 'number';\r\n}\r\n\r\nexport function isString(obj: any): obj is string {\r\n  return typeof obj === 'string';\r\n}\r\n\r\nexport function isBoolean(obj: any): obj is boolean {\r\n  return typeof obj === 'boolean';\r\n}\r\n\r\nexport function isFunction(obj: any): obj is (...args: Array<unknown>) => unknown {\r\n  return typeof obj === 'function';\r\n}\r\n\r\nexport function isUndefined(obj: any): obj is undefined {\r\n  return obj === undefined;\r\n}\r\n\r\nexport function isNull(obj: any): obj is null {\r\n  return obj === null;\r\n}\r\n\r\nexport function isArray(obj: any): obj is Array<any> {\r\n  return Array.isArray(obj);\r\n}\r\n\r\nexport function isObject(obj: any): boolean {\r\n  return typeof obj === 'object' && !isArray(obj) && !isNull(obj);\r\n}\r\n\r\n/**\r\n * Returns true if the given object is array like, false otherwise.\r\n * @param obj The Object\r\n */\r\nexport function isArrayLike<T extends PlainObject = any>(obj: any): obj is ArrayLike<T> {\r\n  const length = !!obj && obj.length;\r\n  return isArray(obj) || (!isFunction(obj) && isNumber(length) && length > -1 && length % 1 == 0); // eslint-disable-line eqeqeq\r\n}\r\n\r\n/**\r\n * Returns true if the given object is a \"plain\" (e.g. { key: value }) object, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isPlainObject<T = any>(obj: any): obj is PlainObject<T> {\r\n  if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n  let key;\r\n  const proto = 'prototype';\r\n  const { hasOwnProperty } = Object[proto];\r\n  const hasOwnConstructor = hasOwnProperty.call(obj, 'constructor');\r\n  const hasIsPrototypeOf = obj.constructor && obj.constructor[proto] && hasOwnProperty.call(obj.constructor[proto], 'isPrototypeOf');\r\n\r\n  if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {\r\n    return false;\r\n  }\r\n\r\n  /* eslint-disable no-restricted-syntax */\r\n  for (key in obj) {\r\n    /**/\r\n  }\r\n  /* eslint-enable */\r\n\r\n  return isUndefined(key) || hasOwnProperty.call(obj, key);\r\n}\r\n\r\n/**\r\n * Checks whether the given object is a HTMLElement.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport function isHTMLElement(obj: any): obj is HTMLElement {\r\n  const instaceOfRightHandSide = window.HTMLElement;\r\n  const doInstanceOf = isObject(instaceOfRightHandSide) || isFunction(instaceOfRightHandSide);\r\n  return !!(doInstanceOf ? obj instanceof instaceOfRightHandSide : obj && isObject(obj) && obj.nodeType === 1 && isString(obj.nodeName));\r\n}\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isEmptyObject(obj: any): boolean {\r\n  /* eslint-disable no-restricted-syntax, guard-for-in */\r\n  for (const name in obj) return false;\r\n  return true;\r\n  /* eslint-enable */\r\n}\r\n","import { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\nfunction getSetProp(\r\n  topLeft: GetSetPropName,\r\n  fallback: number | string,\r\n  elm: HTMLElement | HTMLInputElement | null,\r\n  value?: number | string\r\n): number | string | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm[topLeft] : fallback;\r\n  }\r\n  elm && (elm[topLeft] = value);\r\n}\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport function attr(elm: HTMLElement | null, attrName: string): string | null;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value: string): void;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value?: string): string | null | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm.getAttribute(attrName) : null;\r\n  }\r\n  elm && elm.setAttribute(attrName, value);\r\n}\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | null, attrName: string): void => {\r\n  elm?.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport function scrollLeft(elm: HTMLElement | null): number;\r\nexport function scrollLeft(elm: HTMLElement | null, value: number): void;\r\nexport function scrollLeft(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollLeft', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport function scrollTop(elm: HTMLElement | null): number;\r\nexport function scrollTop(elm: HTMLElement | null, value: number): void;\r\nexport function scrollTop(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollTop', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport function val(elm: HTMLInputElement | null): string;\r\nexport function val(elm: HTMLInputElement | null, value: string): void;\r\nexport function val(elm: HTMLInputElement | null, value?: string): string | void {\r\n  return getSetProp('value', '', elm, value) as string;\r\n}\r\n","import { isString } from 'support/utils/types';\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (elm: Element | null, className: string, action: (elmClassList: DOMTokenList, clazz: string) => boolean | void): boolean => {\r\n  let clazz: string;\r\n  let i = 0;\r\n  let result = false;\r\n\r\n  if (elm && isString(className)) {\r\n    const classes: Array<string> = className.match(rnothtmlwhite) || [];\r\n    result = classes.length > 0;\r\n    while ((clazz = classes[i++])) {\r\n      result = (action(elm.classList, clazz) as boolean) && result;\r\n    }\r\n  }\r\n  return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: Element | null, className: string): boolean =>\r\n  classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n */\r\nexport const addClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n};\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n","/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n  Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array<string> => (obj ? Object.keys(obj) : []);\r\n","import { keys } from 'support/utils/object';\r\nimport { isArrayLike } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T>,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,\r\n): Array<T> | ReadonlyArray<T>;\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,\r\n): Array<T> | ReadonlyArray<T> | null;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T>,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,\r\n): ArrayLike<T>;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,\r\n): ArrayLike<T> | null;\r\nexport function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;\r\nexport function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;\r\nexport function each<T>(\r\n  source: ArrayLike<T> | PlainObject | null,\r\n  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void,\r\n): Array<T> | ReadonlyArray<T> | ArrayLike<T> | PlainObject | null {\r\n  if (isArrayLike(source)) {\r\n    for (let i = 0; i < source.length; i++) {\r\n      if (callback(source[i], i, source) === false) {\r\n        break;\r\n      }\r\n    }\r\n  } else if (source) {\r\n    each(keys(source), (key) => callback(source[key], key, source));\r\n  }\r\n  return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = <T = any>(arr: Array<T>, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);\r\n","import { each } from 'support/utils/array';\r\n\r\nconst elementIsVisible = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\n\r\nexport const find = (selector: string, elm?: Element | null): ReadonlyArray<Element> => {\r\n  const arr: Array<Element> = [];\r\n\r\n  each((elm || document).querySelectorAll(selector), (e: Element) => {\r\n    arr.push(e);\r\n  });\r\n\r\n  return arr;\r\n};\r\n\r\nexport const findFirst = (selector: string, elm?: Element | null): Element | null => (elm || document).querySelector(selector);\r\n\r\nexport const is = (elm: Element | null, selector: string): boolean => {\r\n  if (elm) {\r\n    if (selector === ':visible') {\r\n      return elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (selector === ':hidden') {\r\n      return !elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (elm.matches(selector)) {\r\n      return true;\r\n    }\r\n  }\r\n  return false;\r\n};\r\n\r\nexport const children = (elm: Element | null, selector?: string): ReadonlyArray<Element> => {\r\n  const childs: Array<Element> = [];\r\n\r\n  each(elm && elm.children, (child: Element) => {\r\n    if (selector) {\r\n      if (child.matches(selector)) {\r\n        childs.push(child);\r\n      }\r\n    } else {\r\n      childs.push(child);\r\n    }\r\n  });\r\n\r\n  return childs;\r\n};\r\n\r\nexport const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? Array.from<ChildNode>(elm.childNodes) : []);\r\n\r\nexport const parent = (elm: Node | null): Node | null => (elm ? elm.parentElement : null);\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike<Node> | Node | undefined | null;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (parentElm: Node | null, preferredAnchor: Node | null, insertedElms: NodeCollection): void => {\r\n  if (insertedElms) {\r\n    let anchor: Node | null = preferredAnchor;\r\n    let fragment: DocumentFragment | Node | undefined | null;\r\n\r\n    // parent must be defined\r\n    if (parentElm) {\r\n      if (isArrayLike(insertedElms)) {\r\n        fragment = document.createDocumentFragment();\r\n\r\n        // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n        each(insertedElms, (insertedElm) => {\r\n          if (insertedElm === anchor) {\r\n            anchor = insertedElm.previousSibling;\r\n          }\r\n          fragment!.appendChild(insertedElm);\r\n        });\r\n      } else {\r\n        fragment = insertedElms;\r\n      }\r\n\r\n      // if the preferred anchor isn't null set it to a valid anchor\r\n      if (preferredAnchor) {\r\n        if (!anchor) {\r\n          anchor = parentElm.firstChild;\r\n        } else if (anchor !== preferredAnchor) {\r\n          anchor = anchor.nextSibling;\r\n        }\r\n      }\r\n\r\n      parentElm.insertBefore(fragment, anchor);\r\n    }\r\n  }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n  if (isArrayLike(nodes)) {\r\n    each(Array.from(nodes), (e) => removeElements(e));\r\n  } else if (nodes) {\r\n    const { parentNode } = nodes;\r\n    if (parentNode) {\r\n      parentNode.removeChild(nodes);\r\n    }\r\n  }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\nexport const createDiv = (): HTMLDivElement => document.createElement('div');\r\n\r\nexport const createDOM = (html: string): ReadonlyArray<Node> => {\r\n  const createdDiv = createDiv();\r\n  createdDiv.innerHTML = html.trim();\r\n\r\n  return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { WH } from 'support/dom';\r\n\r\nconst zeroDomRect = new DOMRect();\r\nconst zeroObj: WH = {\r\n  w: 0,\r\n  h: 0,\r\n};\r\n\r\nexport const windowSize = (): WH => ({\r\n  w: window.innerWidth,\r\n  h: window.innerHeight,\r\n});\r\n\r\nexport const offsetSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.offsetWidth,\r\n        h: elm.offsetHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const clientSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.clientWidth,\r\n        h: elm.clientHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const getBoundingClientRect = (elm: HTMLElement | null): DOMRect => (elm ? elm.getBoundingClientRect() : zeroDomRect);\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype CssStyles = { [key: string]: string | number };\r\nconst cssNumber = {\r\n  animationiterationcount: 1,\r\n  columncount: 1,\r\n  fillopacity: 1,\r\n  flexgrow: 1,\r\n  flexshrink: 1,\r\n  fontweight: 1,\r\n  lineheight: 1,\r\n  opacity: 1,\r\n  order: 1,\r\n  orphans: 1,\r\n  widows: 1,\r\n  zindex: 1,\r\n  zoom: 1,\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number => (!cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val);\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n  /* istanbul ignore next */\r\n  computedStyle != null ? computedStyle.getPropertyValue(prop) : elm.style[prop];\r\nconst setCSSVal = (elm: HTMLElement | null, prop: string, val: string | number): void => {\r\n  try {\r\n    if (elm && elm.style[prop] !== undefined) {\r\n      elm.style[prop] = adaptCSSVal(prop, val);\r\n    }\r\n  } catch (e) {}\r\n};\r\n\r\nexport function style(elm: HTMLElement | null, styles: CssStyles): void;\r\nexport function style(elm: HTMLElement | null, styles: string): string;\r\nexport function style(elm: HTMLElement | null, styles: Array<string> | string): { [key: string]: string };\r\nexport function style(elm: HTMLElement | null, styles: CssStyles | Array<string> | string): { [key: string]: string } | string | void {\r\n  const getSingleStyle = isString(styles);\r\n  const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n  if (getStyles) {\r\n    let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n    if (elm) {\r\n      const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n      getStylesResult = getSingleStyle\r\n        ? getCSSVal(elm, computedStyle, styles as string)\r\n        : (styles as Array<string>).reduce((result, key) => {\r\n            result[key] = getCSSVal(elm, computedStyle, key as string);\r\n            return result;\r\n          }, getStylesResult);\r\n    }\r\n    return getStylesResult;\r\n  }\r\n  each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\nexport const hide = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'none' });\r\n};\r\n\r\nexport const show = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'block' });\r\n};\r\n","import { XY } from 'support/dom';\r\n\r\nconst zeroObj: XY = {\r\n  x: 0,\r\n  y: 0,\r\n};\r\n\r\nexport const offset = (elm: HTMLElement | null): XY => {\r\n  const rect = elm ? elm.getBoundingClientRect() : 0;\r\n  return rect\r\n    ? {\r\n        x: rect.left + window.pageYOffset,\r\n        y: rect.top + window.pageXOffset,\r\n      }\r\n    : zeroObj;\r\n};\r\n\r\nexport const position = (elm: HTMLElement | null): XY =>\r\n  elm\r\n    ? {\r\n        x: elm.offsetLeft,\r\n        y: elm.offsetTop,\r\n      }\r\n    : zeroObj;\r\n","function _classPrivateFieldGet(receiver, privateMap) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to get private field on non-instance\");\n  }\n\n  if (descriptor.get) {\n    return descriptor.get.call(receiver);\n  }\n\n  return descriptor.value;\n}\n\nmodule.exports = _classPrivateFieldGet;","function _classPrivateFieldSet(receiver, privateMap, value) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to set private field on non-instance\");\n  }\n\n  if (descriptor.set) {\n    descriptor.set.call(receiver, value);\n  } else {\n    if (!descriptor.writable) {\n      throw new TypeError(\"attempted to set read only private field\");\n    }\n\n    descriptor.value = value;\n  }\n\n  return value;\n}\n\nmodule.exports = _classPrivateFieldSet;","import { each, hasOwnProperty } from 'support/utils';\r\nimport { createDiv } from 'support/dom';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray<string> = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray<string> = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without, or undefined if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string | undefined => {\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const uppercasedName: string = firstLetterToUpper(name);\r\n  const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n  each(cssPrefixes, (prefix: string) => {\r\n    const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n    const resultPossibilities: Array<string> = [\r\n      name, // transition\r\n      prefix + name, // -webkit-transition\r\n      prefixWithoutDashes + uppercasedName, // webkitTransition\r\n      firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n    ];\r\n    result = resultPossibilities.find((resultPossibility: string) => elmStyle[resultPossibility] !== undefined);\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported wuthout, or undefined if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string | undefined => {\r\n  const name = `${property} ${values}`;\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n  const possbleValues: Array<string> = values.split(' ');\r\n  const preparedSuffix: string = suffix || '';\r\n  const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n  each(possbleValues, (possibleValue: string) => {\r\n    each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n      const prop = prefix + possibleValue;\r\n      dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n      if (dummyStyle.length) {\r\n        result = prop;\r\n        return false;\r\n      }\r\n    });\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): any => {\r\n  let result: any = jsCache[name] || window[name];\r\n\r\n  if (hasOwnProperty(jsCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  each(jsPrefixes, (prefix: string) => {\r\n    result = result || window[prefix + firstLetterToUpper(name)];\r\n    return !result;\r\n  });\r\n\r\n  jsCache[name] = result;\r\n  return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const resizeObserver: any | undefined = jsAPI('ResizeObserver');\r\n","function _extends() {\n  module.exports = _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends;","import { each, indexOf, hasOwnProperty, keys } from 'support/utils';\r\nimport { type, isArray, isUndefined, isEmptyObject, isPlainObject, isString } from 'support/utils/types';\r\nimport { OptionsTemplate, OptionsTemplateTypes, OptionsTemplateType, OptionsValidated, Func, OptionsValidatedResult } from 'support/options';\r\nimport { PlainObject } from 'typings';\r\n\r\nconst { stringify } = JSON;\r\n\r\n/**\r\n * A prefix and suffix tuple which serves as recognition pattern for template types.\r\n */\r\nconst templateTypePrefixSuffix: readonly [string, string] = ['__TPL_', '_TYPE__'];\r\n/**\r\n * A object which serves as a mapping for \"normal\" types and template types.\r\n * Key   = normal type string\r\n * value = template type string\r\n */\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce(\r\n  (result, item) => {\r\n    result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];\r\n    return result;\r\n  },\r\n  {} as OptionsTemplateTypesDictionary\r\n);\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff: OptionsValidated<T>,\r\n  doWriteErrors?: boolean,\r\n  propPath?: string\r\n): OptionsValidatedResult<T> => {\r\n  const validatedOptions: OptionsValidated<T> = {};\r\n  const optionsCopy: T = { ...options };\r\n  const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n  each(props, (prop: Extract<keyof T, string>) => {\r\n    const optionsDiffValue: any = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];\r\n    const optionsValue: any = options[prop];\r\n    const templateValue: PlainObject | string | OptionsTemplateTypes | Array<OptionsTemplateTypes> = template[prop];\r\n    const templateIsComplex = isPlainObject(templateValue);\r\n    const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n    // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n    if (templateIsComplex && isPlainObject(optionsValue)) {\r\n      const validatedResult = validateRecursive(optionsValue, templateValue as PlainObject, optionsDiffValue, doWriteErrors, propPrefix + prop);\r\n      validatedOptions[prop] = validatedResult.validated;\r\n      optionsCopy[prop] = validatedResult.foreign as any;\r\n\r\n      each([optionsCopy, validatedOptions], (value) => {\r\n        if (isEmptyObject(value[prop])) {\r\n          delete value[prop];\r\n        }\r\n      });\r\n    } else if (!templateIsComplex) {\r\n      let isValid = false;\r\n      const errorEnumStrings: Array<string> = [];\r\n      const errorPossibleTypes: Array<string> = [];\r\n      const optionsValueType = type(optionsValue);\r\n      const templateValueArr: Array<string | OptionsTemplateTypes> = !isArray(templateValue)\r\n        ? [templateValue as string | OptionsTemplateTypes]\r\n        : (templateValue as Array<OptionsTemplateTypes>);\r\n\r\n      each(templateValueArr, (currTemplateType) => {\r\n        // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n        const isEnumString = indexOf(Object.values(optionsTemplateTypes), currTemplateType) < 0;\r\n        if (isEnumString && isString(optionsValue)) {\r\n          // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n          const enumStringSplit = currTemplateType.split(' ');\r\n          isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n          // build error message\r\n          errorEnumStrings.push(...enumStringSplit);\r\n        } else {\r\n          isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n        }\r\n\r\n        // build error message\r\n        errorPossibleTypes.push(isEnumString ? optionsTemplateTypes.string : currTemplateType);\r\n\r\n        // continue if invalid, break if valid\r\n        return !isValid;\r\n      });\r\n\r\n      if (isValid) {\r\n        const doStringifyComparison = isArray(optionsValue) || isPlainObject(optionsValue);\r\n        if (doStringifyComparison ? stringify(optionsValue) !== stringify(optionsDiffValue) : optionsValue !== optionsDiffValue) {\r\n          validatedOptions[prop] = optionsValue;\r\n        }\r\n      } else if (doWriteErrors) {\r\n        console.warn(\r\n          `${\r\n            `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n            `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n          }${errorEnumStrings.length > 0 ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].` : ''}`\r\n        );\r\n      }\r\n\r\n      delete optionsCopy[prop];\r\n    }\r\n  });\r\n\r\n  return {\r\n    foreign: optionsCopy,\r\n    validated: validatedOptions,\r\n  };\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validate = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff?: OptionsValidated<T>,\r\n  doWriteErrors?: boolean\r\n): OptionsValidatedResult<T> => {\r\n  /*\r\n    if (!isEmptyObject(foreign) && doWriteErrors)\r\n        console.warn(`The following options are discarded due to invalidity:\\r\\n ${window.JSON.stringify(foreign, null, 2)}`);\r\n\r\n    //add values, which aren't specified in the template, to the finished validated object to prevent them from being discarded\r\n    if (keepForeignProps) {\r\n        Object.assign(result.validated, foreign);\r\n    }\r\n    */\r\n  return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);\r\n};\r\n\r\nexport { validate, optionsTemplateTypes };\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n  readonly boolean: OptionsTemplateType<boolean>;\r\n  readonly number: OptionsTemplateType<number>;\r\n  readonly string: OptionsTemplateType<string>;\r\n  readonly array: OptionsTemplateType<Array<any>>;\r\n  readonly object: OptionsTemplateType<object>; // eslint-disable-line @typescript-eslint/ban-types\r\n  readonly function: OptionsTemplateType<Func>;\r\n  readonly null: OptionsTemplateType<null>;\r\n};\r\n","import {\r\n  createDOM,\r\n  addClass,\r\n  style,\r\n  appendChildren,\r\n  clientSize,\r\n  offset,\r\n  offsetSize,\r\n  scrollLeft,\r\n  jsAPI,\r\n  XY,\r\n  removeAttr,\r\n  removeElements,\r\n  windowSize,\r\n} from 'support';\r\n\r\ntype OnEnvironmentChanged = (env: Environment) => void;\r\n\r\nconst { abs, round } = Math;\r\n\r\nconst nativeScrollbarSize = (body: HTMLElement, measureElm: HTMLElement): XY => {\r\n  appendChildren(body, measureElm);\r\n  const cSize = clientSize(measureElm);\r\n  const oSize = offsetSize(measureElm);\r\n\r\n  return {\r\n    x: oSize.h - cSize.h,\r\n    y: oSize.w - cSize.w,\r\n  };\r\n};\r\n\r\nconst nativeScrollbarStyling = (testElm: HTMLElement): boolean => {\r\n  let result = false;\r\n  addClass(testElm, 'os-viewport-native-scrollbars-invisible');\r\n  try {\r\n    result =\r\n      style(testElm, 'scrollbar-width') === 'none' || window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';\r\n  } catch (ex) {}\r\n\r\n  return result;\r\n};\r\n\r\nconst rtlScrollBehavior = (parentElm: HTMLElement, childElm: HTMLElement): { i: boolean; n: boolean } => {\r\n  const strHidden = 'hidden';\r\n  style(parentElm, { overflowX: strHidden, overflowY: strHidden });\r\n  scrollLeft(parentElm, 0);\r\n\r\n  const parentOffset = offset(parentElm);\r\n  const childOffset = offset(childElm);\r\n  scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n  const childOffsetAfterScroll = offset(childElm);\r\n  return {\r\n    /**\r\n     * origin direction = determines if the zero scroll position is on the left or right side\r\n     * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n     * true = on the left side\r\n     * false = on the right side\r\n     */\r\n    i: parentOffset.x === childOffset.x,\r\n    /**\r\n     * negative = determines if the maximum scroll is positive or negative\r\n     * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n     * true = negative\r\n     * false = positive\r\n     */\r\n    n: childOffset.x !== childOffsetAfterScroll.x,\r\n  };\r\n};\r\n\r\nconst passiveEvents = (): boolean => {\r\n  let supportsPassive = false;\r\n  try {\r\n    /* eslint-disable */\r\n    // @ts-ignore\r\n    window.addEventListener(\r\n      'test',\r\n      null,\r\n      Object.defineProperty({}, 'passive', {\r\n        get: function () {\r\n          supportsPassive = true;\r\n        },\r\n      })\r\n    );\r\n    /* eslint-enable */\r\n  } catch (e) {}\r\n  return supportsPassive;\r\n};\r\n\r\nconst windowDPR = (): number => {\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const dDPI = window.screen.deviceXDPI || 0;\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const sDPI = window.screen.logicalXDPI || 1;\r\n  return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n  const absValOne = abs(valOne);\r\n  const absValTwo = abs(valTwo);\r\n  return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport class Environment {\r\n  #onChangedListener: Set<OnEnvironmentChanged> = new Set();\r\n\r\n  autoUpdateLoop!: boolean;\r\n\r\n  nativeScrollbarSize!: XY;\r\n\r\n  nativeScrollbarIsOverlaid!: XY<boolean>;\r\n\r\n  nativeScrollbarStyling!: boolean;\r\n\r\n  rtlScrollBehavior!: { n: boolean; i: boolean };\r\n\r\n  supportPassiveEvents!: boolean;\r\n\r\n  supportResizeObserver!: boolean;\r\n\r\n  constructor() {\r\n    const _self = this;\r\n    const { body } = document;\r\n    const envDOM = createDOM('<div id=\"os-dummy-scrollbar-size\"><div></div></div>');\r\n    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obj instanceof instaceOfRightHandSide : obj && isObject(obj) && obj.nodeType === 1 && isString(obj.nodeName));\r\n}\r\n\r\n/**\r\n * Returns true if the given object is empty, false otherwise.\r\n * @param obj The Object.\r\n */\r\nexport function isEmptyObject(obj: any): boolean {\r\n  /* eslint-disable no-restricted-syntax, guard-for-in */\r\n  for (const name in obj) return false;\r\n  return true;\r\n  /* eslint-enable */\r\n}\r\n","import { isUndefined } from 'support/utils/types';\r\n\r\ntype GetSetPropName = 'scrollLeft' | 'scrollTop' | 'value';\r\n\r\nfunction getSetProp(\r\n  topLeft: GetSetPropName,\r\n  fallback: number | string,\r\n  elm: HTMLElement | HTMLInputElement | null,\r\n  value?: number | string\r\n): number | string | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm[topLeft] : fallback;\r\n  }\r\n  elm && (elm[topLeft] = value);\r\n}\r\n\r\n/**\r\n * Gets or sets a attribute with the given attribute of the given element depending whether the value attribute is given.\r\n * Returns null if the element has no attribute with the given name.\r\n * @param elm The element of which the attribute shall be get or set.\r\n * @param attrName The attribute name which shall be get or set.\r\n * @param value The value of the attribute which shall be set.\r\n */\r\nexport function attr(elm: HTMLElement | null, attrName: string): string | null;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value: string): void;\r\nexport function attr(elm: HTMLElement | null, attrName: string, value?: string): string | null | void {\r\n  if (isUndefined(value)) {\r\n    return elm ? elm.getAttribute(attrName) : null;\r\n  }\r\n  elm && elm.setAttribute(attrName, value);\r\n}\r\n\r\n/**\r\n * Removes the given attribute from the given element.\r\n * @param elm The element of which the attribute shall be removed.\r\n * @param attrName The attribute name.\r\n */\r\nexport const removeAttr = (elm: Element | null, attrName: string): void => {\r\n  elm?.removeAttribute(attrName);\r\n};\r\n\r\n/**\r\n * Gets or sets the scrollLeft value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollLeft value shall be get or set.\r\n * @param value The scrollLeft value which shall be set.\r\n */\r\nexport function scrollLeft(elm: HTMLElement | null): number;\r\nexport function scrollLeft(elm: HTMLElement | null, value: number): void;\r\nexport function scrollLeft(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollLeft', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the scrollTop value of the given element depending whether the value attribute is given.\r\n * @param elm The element of which the scrollTop value shall be get or set.\r\n * @param value The scrollTop value which shall be set.\r\n */\r\nexport function scrollTop(elm: HTMLElement | null): number;\r\nexport function scrollTop(elm: HTMLElement | null, value: number): void;\r\nexport function scrollTop(elm: HTMLElement | null, value?: number): number | void {\r\n  return getSetProp('scrollTop', 0, elm, value) as number;\r\n}\r\n\r\n/**\r\n * Gets or sets the value of the given input element depending whether the value attribute is given.\r\n * @param elm The input element of which the value shall be get or set.\r\n * @param value The value which shall be set.\r\n */\r\nexport function val(elm: HTMLInputElement | null): string;\r\nexport function val(elm: HTMLInputElement | null, value: string): void;\r\nexport function val(elm: HTMLInputElement | null, value?: string): string | void {\r\n  return getSetProp('value', '', elm, value) as string;\r\n}\r\n","import { isString } from 'support/utils/types';\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (elm: Element | null, className: string, action: (elmClassList: DOMTokenList, clazz: string) => boolean | void): boolean => {\r\n  let clazz: string;\r\n  let i = 0;\r\n  let result = false;\r\n\r\n  if (elm && isString(className)) {\r\n    const classes: Array<string> = className.match(rnothtmlwhite) || [];\r\n    result = classes.length > 0;\r\n    while ((clazz = classes[i++])) {\r\n      result = (action(elm.classList, clazz) as boolean) && result;\r\n    }\r\n  }\r\n  return result;\r\n};\r\n\r\n/**\r\n * Check whether the given element has the given class name(s).\r\n * @param elm The element.\r\n * @param className The class name(s).\r\n */\r\nexport const hasClass = (elm: Element | null, className: string): boolean =>\r\n  classListAction(elm, className, (classList, clazz) => classList.contains(clazz));\r\n\r\n/**\r\n * Adds the given class name(s) to the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be added. (separated by spaces)\r\n */\r\nexport const addClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.add(clazz));\r\n};\r\n\r\n/**\r\n * Removes the given class name(s) from the given element.\r\n * @param elm The element.\r\n * @param className The class name(s) which shall be removed. (separated by spaces)\r\n */\r\nexport const removeClass = (elm: Element | null, className: string): void => {\r\n  classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n","/**\r\n * Determines whether the passed object has a property with the passed name.\r\n * @param obj The object.\r\n * @param prop The name of the property.\r\n */\r\nexport const hasOwnProperty = (obj: any, prop: string | number | symbol): boolean =>\r\n  Object.prototype.hasOwnProperty.call(obj, prop);\r\n\r\n/**\r\n * Returns the names of the enumerable string properties and methods of an object.\r\n * @param obj The object of which the properties shall be returned.\r\n */\r\nexport const keys = (obj: any): Array<string> => (obj ? Object.keys(obj) : []);\r\n","import { keys } from 'support/utils/object';\r\nimport { isArrayLike } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Iterates through a array or object\r\n * @param arrayLikeOrObject The array or object through which shall be iterated.\r\n * @param callback The function which is responsible for the iteration.\r\n * If the function returns true its treated like a \"continue\" statement.\r\n * If the function returns false its treated like a \"break\" statement.\r\n */\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T>,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void\r\n): Array<T> | ReadonlyArray<T>;\r\nexport function each<T>(\r\n  array: Array<T> | ReadonlyArray<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void\r\n): Array<T> | ReadonlyArray<T> | null;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T>,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void\r\n): ArrayLike<T>;\r\nexport function each<T>(\r\n  arrayLikeObject: ArrayLike<T> | null,\r\n  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void\r\n): ArrayLike<T> | null;\r\nexport function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;\r\nexport function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;\r\nexport function each<T>(\r\n  source: ArrayLike<T> | PlainObject | null,\r\n  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void\r\n): Array<T> | ReadonlyArray<T> | ArrayLike<T> | PlainObject | null {\r\n  if (isArrayLike(source)) {\r\n    for (let i = 0; i < source.length; i++) {\r\n      if (callback(source[i], i, source) === false) {\r\n        break;\r\n      }\r\n    }\r\n  } else if (source) {\r\n    each(keys(source), (key) => callback(source[key], key, source));\r\n  }\r\n  return source;\r\n}\r\n\r\n/**\r\n * Returns the index of the given inside the given array or -1 if the given item isn't part of the given array.\r\n * @param arr The array.\r\n * @param item The item.\r\n * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.\r\n */\r\nexport const indexOf = <T = any>(arr: Array<T>, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);\r\n\r\nexport const from = <T = any>(arr: ArrayLike<T>) => {\r\n  if (Array.from) {\r\n    return Array.from(arr);\r\n  }\r\n  const result: Array<T> = [];\r\n  each(arr, (elm) => {\r\n    result.push(elm);\r\n  });\r\n  return result;\r\n};\r\n","import { each, from } from 'support/utils/array';\r\n\r\nconst elementIsVisible = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\n\r\nexport const find = (selector: string, elm?: Element | null): ReadonlyArray<Element> => {\r\n  const arr: Array<Element> = [];\r\n\r\n  each((elm || document).querySelectorAll(selector), (e: Element) => {\r\n    arr.push(e);\r\n  });\r\n\r\n  return arr;\r\n};\r\n\r\nexport const findFirst = (selector: string, elm?: Element | null): Element | null => (elm || document).querySelector(selector);\r\n\r\nexport const is = (elm: Element | null, selector: string): boolean => {\r\n  if (elm) {\r\n    if (selector === ':visible') {\r\n      return elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (selector === ':hidden') {\r\n      return !elementIsVisible(elm as HTMLElement);\r\n    }\r\n    if (elm.matches(selector)) {\r\n      return true;\r\n    }\r\n  }\r\n  return false;\r\n};\r\n\r\nexport const children = (elm: Element | null, selector?: string): ReadonlyArray<Element> => {\r\n  const childs: Array<Element> = [];\r\n\r\n  each(elm && elm.children, (child: Element) => {\r\n    if (selector) {\r\n      if (child.matches(selector)) {\r\n        childs.push(child);\r\n      }\r\n    } else {\r\n      childs.push(child);\r\n    }\r\n  });\r\n\r\n  return childs;\r\n};\r\n\r\nexport const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? from(elm.childNodes) : []);\r\n\r\nexport const parent = (elm: Node | null): Node | null => (elm ? elm.parentElement : null);\r\n","import { isArrayLike } from 'support/utils/types';\r\nimport { each, from } from 'support/utils/array';\r\nimport { parent } from 'support/dom/traversal';\r\n\r\ntype NodeCollection = ArrayLike<Node> | Node | undefined | null;\r\n\r\n/**\r\n * Inserts Nodes before the given preferredAnchor element.\r\n * @param parentElm The parent of the preferredAnchor element or the element which shall be the parent of the inserted Nodes.\r\n * @param preferredAnchor The element before which the Nodes shall be inserted or null if the elements shall be appended at the end.\r\n * @param insertedElms The Nodes which shall be inserted.\r\n */\r\nconst before = (parentElm: Node | null, preferredAnchor: Node | null, insertedElms: NodeCollection): void => {\r\n  if (insertedElms) {\r\n    let anchor: Node | null = preferredAnchor;\r\n    let fragment: DocumentFragment | Node | undefined | null;\r\n\r\n    // parent must be defined\r\n    if (parentElm) {\r\n      if (isArrayLike(insertedElms)) {\r\n        fragment = document.createDocumentFragment();\r\n\r\n        // append all insertedElms to the fragment and if one of these is the anchor, change the anchor\r\n        each(insertedElms, (insertedElm) => {\r\n          if (insertedElm === anchor) {\r\n            anchor = insertedElm.previousSibling;\r\n          }\r\n          fragment!.appendChild(insertedElm);\r\n        });\r\n      } else {\r\n        fragment = insertedElms;\r\n      }\r\n\r\n      // if the preferred anchor isn't null set it to a valid anchor\r\n      if (preferredAnchor) {\r\n        if (!anchor) {\r\n          anchor = parentElm.firstChild;\r\n        } else if (anchor !== preferredAnchor) {\r\n          anchor = anchor.nextSibling;\r\n        }\r\n      }\r\n\r\n      parentElm.insertBefore(fragment, anchor);\r\n    }\r\n  }\r\n};\r\n\r\n/**\r\n * Appends the given children at the end of the given Node.\r\n * @param node The Node to which the children shall be appended.\r\n * @param children The Nodes which shall be appended.\r\n */\r\nexport const appendChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, null, children);\r\n};\r\n\r\n/**\r\n * Prepends the given children at the start of the given Node.\r\n * @param node The Node to which the children shall be prepended.\r\n * @param children The Nodes which shall be prepended.\r\n */\r\nexport const prependChildren = (node: Node | null, children: NodeCollection): void => {\r\n  before(node, node && node.firstChild, children);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes before the given Node.\r\n * @param node The Node before which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertBefore = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node, insertedNodes);\r\n};\r\n\r\n/**\r\n * Inserts the given Nodes after the given Node.\r\n * @param node The Node after which the given Nodes shall be inserted.\r\n * @param insertedNodes The Nodes which shall be inserted.\r\n */\r\nexport const insertAfter = (node: Node | null, insertedNodes: NodeCollection): void => {\r\n  before(parent(node), node && node.nextSibling, insertedNodes);\r\n};\r\n\r\n/**\r\n * Removes the given Nodes from their parent.\r\n * @param nodes The Nodes which shall be removed.\r\n */\r\nexport const removeElements = (nodes: NodeCollection): void => {\r\n  if (isArrayLike(nodes)) {\r\n    each(from(nodes), (e) => removeElements(e));\r\n  } else if (nodes) {\r\n    const { parentNode } = nodes;\r\n    if (parentNode) {\r\n      parentNode.removeChild(nodes);\r\n    }\r\n  }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\nexport const createDiv = (): HTMLDivElement => document.createElement('div');\r\n\r\nexport const createDOM = (html: string): ReadonlyArray<Node> => {\r\n  const createdDiv = createDiv();\r\n  createdDiv.innerHTML = html.trim();\r\n\r\n  return each(contents(createdDiv), (elm) => removeElements(elm));\r\n};\r\n","import { WH } from 'support/dom';\r\n\r\nconst zeroObj: WH = {\r\n  w: 0,\r\n  h: 0,\r\n};\r\n\r\nexport const windowSize = (): WH => ({\r\n  w: window.innerWidth,\r\n  h: window.innerHeight,\r\n});\r\n\r\nexport const offsetSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.offsetWidth,\r\n        h: elm.offsetHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const clientSize = (elm: HTMLElement | null): WH =>\r\n  elm\r\n    ? {\r\n        w: elm.clientWidth,\r\n        h: elm.clientHeight,\r\n      }\r\n    : zeroObj;\r\n\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype CssStyles = { [key: string]: string | number };\r\nconst cssNumber = {\r\n  animationiterationcount: 1,\r\n  columncount: 1,\r\n  fillopacity: 1,\r\n  flexgrow: 1,\r\n  flexshrink: 1,\r\n  fontweight: 1,\r\n  lineheight: 1,\r\n  opacity: 1,\r\n  order: 1,\r\n  orphans: 1,\r\n  widows: 1,\r\n  zindex: 1,\r\n  zoom: 1,\r\n};\r\n\r\nconst adaptCSSVal = (prop: string, val: string | number): string | number => (!cssNumber[prop.toLowerCase()] && isNumber(val) ? `${val}px` : val);\r\nconst getCSSVal = (elm: HTMLElement, computedStyle: CSSStyleDeclaration, prop: string): string =>\r\n  /* istanbul ignore next */\r\n  computedStyle != null ? computedStyle.getPropertyValue(prop) : elm.style[prop];\r\nconst setCSSVal = (elm: HTMLElement | null, prop: string, val: string | number): void => {\r\n  try {\r\n    if (elm && elm.style[prop] !== undefined) {\r\n      elm.style[prop] = adaptCSSVal(prop, val);\r\n    }\r\n  } catch (e) {}\r\n};\r\n\r\nexport function style(elm: HTMLElement | null, styles: CssStyles): void;\r\nexport function style(elm: HTMLElement | null, styles: string): string;\r\nexport function style(elm: HTMLElement | null, styles: Array<string> | string): { [key: string]: string };\r\nexport function style(elm: HTMLElement | null, styles: CssStyles | Array<string> | string): { [key: string]: string } | string | void {\r\n  const getSingleStyle = isString(styles);\r\n  const getStyles = isArray(styles) || getSingleStyle;\r\n\r\n  if (getStyles) {\r\n    let getStylesResult: string | PlainObject = getSingleStyle ? '' : {};\r\n    if (elm) {\r\n      const computedStyle: CSSStyleDeclaration = window.getComputedStyle(elm, null);\r\n      getStylesResult = getSingleStyle\r\n        ? getCSSVal(elm, computedStyle, styles as string)\r\n        : (styles as Array<string>).reduce((result, key) => {\r\n            result[key] = getCSSVal(elm, computedStyle, key as string);\r\n            return result;\r\n          }, getStylesResult);\r\n    }\r\n    return getStylesResult;\r\n  }\r\n  each(keys(styles), (key) => setCSSVal(elm, key, styles[key]));\r\n}\r\n\r\nexport const hide = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'none' });\r\n};\r\n\r\nexport const show = (elm: HTMLElement | null): void => {\r\n  style(elm, { display: 'block' });\r\n};\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\nimport { XY } from 'support/dom';\r\n\r\nconst zeroObj: XY = {\r\n  x: 0,\r\n  y: 0,\r\n};\r\n\r\nexport const offset = (elm: HTMLElement | null): XY => {\r\n  const rect = elm ? getBoundingClientRect(elm) : 0;\r\n  return rect\r\n    ? {\r\n        x: rect.left + window.pageYOffset,\r\n        y: rect.top + window.pageXOffset,\r\n      }\r\n    : zeroObj;\r\n};\r\n\r\nexport const position = (elm: HTMLElement | null): XY =>\r\n  elm\r\n    ? {\r\n        x: elm.offsetLeft,\r\n        y: elm.offsetTop,\r\n      }\r\n    : zeroObj;\r\n","function _classPrivateFieldGet(receiver, privateMap) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to get private field on non-instance\");\n  }\n\n  if (descriptor.get) {\n    return descriptor.get.call(receiver);\n  }\n\n  return descriptor.value;\n}\n\nmodule.exports = _classPrivateFieldGet;","function _classPrivateFieldSet(receiver, privateMap, value) {\n  var descriptor = privateMap.get(receiver);\n\n  if (!descriptor) {\n    throw new TypeError(\"attempted to set private field on non-instance\");\n  }\n\n  if (descriptor.set) {\n    descriptor.set.call(receiver, value);\n  } else {\n    if (!descriptor.writable) {\n      throw new TypeError(\"attempted to set read only private field\");\n    }\n\n    descriptor.value = value;\n  }\n\n  return value;\n}\n\nmodule.exports = _classPrivateFieldSet;","import { each, hasOwnProperty } from 'support/utils';\r\nimport { createDiv } from 'support/dom';\r\n\r\nconst firstLetterToUpper = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);\r\nconst getDummyStyle = (): CSSStyleDeclaration => createDiv().style;\r\n\r\n// https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix\r\n\r\nexport const cssPrefixes: ReadonlyArray<string> = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray<string> = ['WebKit', 'Moz', 'O', 'MS', 'webkit', 'moz', 'o', 'ms'];\r\n\r\nexport const jsCache: { [key: string]: any } = {};\r\nexport const cssCache: { [key: string]: string } = {};\r\n\r\n/**\r\n * Gets the name of the given CSS property with vendor prefix if it isn't supported without, or undefined if unsupported.\r\n * @param name The name of the CSS property which shall be get.\r\n */\r\nexport const cssProperty = (name: string): string | undefined => {\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const uppercasedName: string = firstLetterToUpper(name);\r\n  const elmStyle: CSSStyleDeclaration = getDummyStyle();\r\n\r\n  each(cssPrefixes, (prefix: string) => {\r\n    const prefixWithoutDashes: string = prefix.replace(/-/g, '');\r\n    const resultPossibilities: Array<string> = [\r\n      name, // transition\r\n      prefix + name, // -webkit-transition\r\n      prefixWithoutDashes + uppercasedName, // webkitTransition\r\n      firstLetterToUpper(prefixWithoutDashes) + uppercasedName, // WebkitTransition\r\n    ];\r\n    result = resultPossibilities.find((resultPossibility: string) => elmStyle[resultPossibility] !== undefined);\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the name of the given CSS property value(s), with vendor prefix if it isn't supported wuthout, or undefined if no value is supported.\r\n * @param property The CSS property to which the CSS property value(s) belong.\r\n * @param values The value(s) separated by spaces which shall be get.\r\n * @param suffix A suffix which is added to each value in case the value is a function or something else more advanced.\r\n */\r\nexport const cssPropertyValue = (property: string, values: string, suffix?: string): string | undefined => {\r\n  const name = `${property} ${values}`;\r\n  let result: string | undefined = cssCache[name];\r\n\r\n  if (hasOwnProperty(cssCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n  const possbleValues: Array<string> = values.split(' ');\r\n  const preparedSuffix: string = suffix || '';\r\n  const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n  each(possbleValues, (possibleValue: string) => {\r\n    each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n      const prop = prefix + possibleValue;\r\n      dummyStyle.cssText = `${property}:${prop}${preparedSuffix}`;\r\n      if (dummyStyle.length) {\r\n        result = prop;\r\n        return false;\r\n      }\r\n    });\r\n    return !result;\r\n  });\r\n\r\n  cssCache[name] = result;\r\n  return result;\r\n};\r\n\r\n/**\r\n * Get the requested JS function, object or constructor with vendor prefix if it isn't supported without or undefined if unsupported.\r\n * @param name The name of the JS function, object or constructor.\r\n */\r\nexport const jsAPI = (name: string): any => {\r\n  let result: any = jsCache[name] || window[name];\r\n\r\n  if (hasOwnProperty(jsCache, name)) {\r\n    return result;\r\n  }\r\n\r\n  each(jsPrefixes, (prefix: string) => {\r\n    result = result || window[prefix + firstLetterToUpper(name)];\r\n    return !result;\r\n  });\r\n\r\n  jsCache[name] = result;\r\n  return result;\r\n};\r\n","import { jsAPI } from 'support/compatibility/vendors';\r\n\r\nexport const resizeObserver: any | undefined = jsAPI('ResizeObserver');\r\n","function _extends() {\n  module.exports = _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends;","import { each, indexOf, hasOwnProperty, keys } from 'support/utils';\r\nimport { type, isArray, isUndefined, isEmptyObject, isPlainObject, isString } from 'support/utils/types';\r\nimport { OptionsTemplate, OptionsTemplateTypes, OptionsTemplateType, OptionsValidated, Func, OptionsValidatedResult } from 'support/options';\r\nimport { PlainObject } from 'typings';\r\n\r\nconst { stringify } = JSON;\r\n\r\n/**\r\n * A prefix and suffix tuple which serves as recognition pattern for template types.\r\n */\r\nconst templateTypePrefixSuffix: readonly [string, string] = ['__TPL_', '_TYPE__'];\r\n/**\r\n * A object which serves as a mapping for \"normal\" types and template types.\r\n * Key   = normal type string\r\n * value = template type string\r\n */\r\nconst optionsTemplateTypes: OptionsTemplateTypesDictionary = ['boolean', 'number', 'string', 'array', 'object', 'function', 'null'].reduce(\r\n  (result, item) => {\r\n    result[item] = templateTypePrefixSuffix[0] + item + templateTypePrefixSuffix[1];\r\n    return result;\r\n  },\r\n  {} as OptionsTemplateTypesDictionary\r\n);\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n * @param propPath The propertyPath which lead to this object. (used for error logging)\r\n */\r\nconst validateRecursive = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff: OptionsValidated<T>,\r\n  doWriteErrors?: boolean,\r\n  propPath?: string\r\n): OptionsValidatedResult<T> => {\r\n  const validatedOptions: OptionsValidated<T> = {};\r\n  const optionsCopy: T = { ...options };\r\n  const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n  each(props, (prop: Extract<keyof T, string>) => {\r\n    const optionsDiffValue: any = isUndefined(optionsDiff[prop]) ? {} : optionsDiff[prop];\r\n    const optionsValue: any = options[prop];\r\n    const templateValue: PlainObject | string | OptionsTemplateTypes | Array<OptionsTemplateTypes> = template[prop];\r\n    const templateIsComplex = isPlainObject(templateValue);\r\n    const propPrefix = propPath ? `${propPath}.` : '';\r\n\r\n    // if the template has a object as value, it means that the options are complex (verschachtelt)\r\n    if (templateIsComplex && isPlainObject(optionsValue)) {\r\n      const validatedResult = validateRecursive(optionsValue, templateValue as PlainObject, optionsDiffValue, doWriteErrors, propPrefix + prop);\r\n      validatedOptions[prop] = validatedResult.validated;\r\n      optionsCopy[prop] = validatedResult.foreign as any;\r\n\r\n      each([optionsCopy, validatedOptions], (value) => {\r\n        if (isEmptyObject(value[prop])) {\r\n          delete value[prop];\r\n        }\r\n      });\r\n    } else if (!templateIsComplex) {\r\n      let isValid = false;\r\n      const errorEnumStrings: Array<string> = [];\r\n      const errorPossibleTypes: Array<string> = [];\r\n      const optionsValueType = type(optionsValue);\r\n      const templateValueArr: Array<string | OptionsTemplateTypes> = !isArray(templateValue)\r\n        ? [templateValue as string | OptionsTemplateTypes]\r\n        : (templateValue as Array<OptionsTemplateTypes>);\r\n\r\n      each(templateValueArr, (currTemplateType) => {\r\n        // if currType value isn't inside possibleTemplateTypes we assume its a enum string value\r\n        const isEnumString = indexOf(Object.values(optionsTemplateTypes), currTemplateType) < 0;\r\n        if (isEnumString && isString(optionsValue)) {\r\n          // split it into a array which contains all possible values for example: [\"yes\", \"no\", \"maybe\"]\r\n          const enumStringSplit = currTemplateType.split(' ');\r\n          isValid = !!enumStringSplit.find((possibility) => possibility === optionsValue);\r\n\r\n          // build error message\r\n          errorEnumStrings.push(...enumStringSplit);\r\n        } else {\r\n          isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n        }\r\n\r\n        // build error message\r\n        errorPossibleTypes.push(isEnumString ? optionsTemplateTypes.string : currTemplateType);\r\n\r\n        // continue if invalid, break if valid\r\n        return !isValid;\r\n      });\r\n\r\n      if (isValid) {\r\n        const doStringifyComparison = isArray(optionsValue) || isPlainObject(optionsValue);\r\n        if (doStringifyComparison ? stringify(optionsValue) !== stringify(optionsDiffValue) : optionsValue !== optionsDiffValue) {\r\n          validatedOptions[prop] = optionsValue;\r\n        }\r\n      } else if (doWriteErrors) {\r\n        console.warn(\r\n          `${\r\n            `The option \"${propPrefix}${prop}\" wasn't set, because it doesn't accept the type [ ${optionsValueType.toUpperCase()} ] with the value of \"${optionsValue}\".\\r\\n` +\r\n            `Accepted types are: [ ${errorPossibleTypes.join(', ').toUpperCase()} ].\\r\\n`\r\n          }${errorEnumStrings.length > 0 ? `\\r\\nValid strings are: [ ${errorEnumStrings.join(', ')} ].` : ''}`\r\n        );\r\n      }\r\n\r\n      delete optionsCopy[prop];\r\n    }\r\n  });\r\n\r\n  return {\r\n    foreign: optionsCopy,\r\n    validated: validatedOptions,\r\n  };\r\n};\r\n\r\n/**\r\n * Validates the given options object according to the given template object and returns a object which looks like:\r\n * {\r\n *  foreign   : a object which consists of properties which aren't defined inside the template. (foreign properties)\r\n *  validated : a object which consists only of valid properties. (property name is inside the template and value has a correct type)\r\n * }\r\n * @param options The options object which shall be validated.\r\n * @param template The template according to which the options object shall be validated.\r\n * @param optionsDiff When provided the returned validated object will only have properties which are different to this objects properties.\r\n * Example (assume all properties are valid to the template):\r\n * Options object            : { a: 'a', b: 'b', c: 'c' }\r\n * optionsDiff object        : { a: 'a', b: 'b', c: undefined }\r\n * Returned validated object : { c: 'c' }\r\n * Because the value of the properties a and b didn't change, they aren't included in the returned object.\r\n * Without the optionsDiff object the returned validated object would be: { a: 'a', b: 'b', c: 'c' }\r\n * @param doWriteErrors True if errors shall be logged into the console, false otherwise.\r\n */\r\nconst validate = <T extends PlainObject>(\r\n  options: T,\r\n  template: OptionsTemplate<Required<T>>,\r\n  optionsDiff?: OptionsValidated<T>,\r\n  doWriteErrors?: boolean\r\n): OptionsValidatedResult<T> => {\r\n  /*\r\n    if (!isEmptyObject(foreign) && doWriteErrors)\r\n        console.warn(`The following options are discarded due to invalidity:\\r\\n ${window.JSON.stringify(foreign, null, 2)}`);\r\n\r\n    //add values, which aren't specified in the template, to the finished validated object to prevent them from being discarded\r\n    if (keepForeignProps) {\r\n        Object.assign(result.validated, foreign);\r\n    }\r\n    */\r\n  return validateRecursive(options, template, optionsDiff || {}, doWriteErrors || false);\r\n};\r\n\r\nexport { validate, optionsTemplateTypes };\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n  readonly boolean: OptionsTemplateType<boolean>;\r\n  readonly number: OptionsTemplateType<number>;\r\n  readonly string: OptionsTemplateType<string>;\r\n  readonly array: OptionsTemplateType<Array<any>>;\r\n  readonly object: OptionsTemplateType<object>; // eslint-disable-line @typescript-eslint/ban-types\r\n  readonly function: OptionsTemplateType<Func>;\r\n  readonly null: OptionsTemplateType<null>;\r\n};\r\n","import {\r\n  createDOM,\r\n  addClass,\r\n  style,\r\n  appendChildren,\r\n  clientSize,\r\n  offset,\r\n  offsetSize,\r\n  scrollLeft,\r\n  jsAPI,\r\n  XY,\r\n  removeAttr,\r\n  removeElements,\r\n  windowSize,\r\n} from 'support';\r\n\r\ntype OnEnvironmentChanged = (env: Environment) => void;\r\n\r\nconst { abs, round } = Math;\r\n\r\nconst nativeScrollbarSize = (body: HTMLElement, measureElm: HTMLElement): XY => {\r\n  appendChildren(body, measureElm);\r\n  const cSize = clientSize(measureElm);\r\n  const oSize = offsetSize(measureElm);\r\n\r\n  return {\r\n    x: oSize.h - cSize.h,\r\n    y: oSize.w - cSize.w,\r\n  };\r\n};\r\n\r\nconst nativeScrollbarStyling = (testElm: HTMLElement): boolean => {\r\n  let result = false;\r\n  addClass(testElm, 'os-viewport-native-scrollbars-invisible');\r\n  try {\r\n    result =\r\n      style(testElm, 'scrollbar-width') === 'none' || window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';\r\n  } catch (ex) {}\r\n\r\n  return result;\r\n};\r\n\r\nconst rtlScrollBehavior = (parentElm: HTMLElement, childElm: HTMLElement): { i: boolean; n: boolean } => {\r\n  const strHidden = 'hidden';\r\n  style(parentElm, { overflowX: strHidden, overflowY: strHidden });\r\n  scrollLeft(parentElm, 0);\r\n\r\n  const parentOffset = offset(parentElm);\r\n  const childOffset = offset(childElm);\r\n  scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n  const childOffsetAfterScroll = offset(childElm);\r\n  return {\r\n    /**\r\n     * origin direction = determines if the zero scroll position is on the left or right side\r\n     * 'i' means 'invert' (i === true means that the axis must be inverted to be correct)\r\n     * true = on the left side\r\n     * false = on the right side\r\n     */\r\n    i: parentOffset.x === childOffset.x,\r\n    /**\r\n     * negative = determines if the maximum scroll is positive or negative\r\n     * 'n' means 'negate' (n === true means that the axis must be negated to be correct)\r\n     * true = negative\r\n     * false = positive\r\n     */\r\n    n: childOffset.x !== childOffsetAfterScroll.x,\r\n  };\r\n};\r\n\r\nconst passiveEvents = (): boolean => {\r\n  let supportsPassive = false;\r\n  try {\r\n    /* eslint-disable */\r\n    // @ts-ignore\r\n    window.addEventListener(\r\n      'test',\r\n      null,\r\n      Object.defineProperty({}, 'passive', {\r\n        get: function () {\r\n          supportsPassive = true;\r\n        },\r\n      })\r\n    );\r\n    /* eslint-enable */\r\n  } catch (e) {}\r\n  return supportsPassive;\r\n};\r\n\r\nconst windowDPR = (): number => {\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const dDPI = window.screen.deviceXDPI || 0;\r\n  // eslint-disable-next-line\r\n  // @ts-ignore\r\n  const sDPI = window.screen.logicalXDPI || 1;\r\n  return window.devicePixelRatio || dDPI / sDPI;\r\n};\r\n\r\nconst diffBiggerThanOne = (valOne: number, valTwo: number): boolean => {\r\n  const absValOne = abs(valOne);\r\n  const absValTwo = abs(valTwo);\r\n  return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);\r\n};\r\n\r\nexport class Environment {\r\n  #onChangedListener: Set<OnEnvironmentChanged> = new Set();\r\n\r\n  autoUpdateLoop!: boolean;\r\n\r\n  nativeScrollbarSize!: XY;\r\n\r\n  nativeScrollbarIsOverlaid!: XY<boolean>;\r\n\r\n  nativeScrollbarStyling!: boolean;\r\n\r\n  rtlScrollBehavior!: { n: boolean; i: boolean };\r\n\r\n  supportPassiveEvents!: boolean;\r\n\r\n  supportResizeObserver!: boolean;\r\n\r\n  constructor() {\r\n    const _self = this;\r\n    const { body } = document;\r\n    const envDOM = createDOM('<div id=\"os-dummy-scrollbar-size\"><div></div></div>');\r\n    const envElm = envDOM[0] as HTMLElement;\r\n    const envChildElm = envElm.firstChild as HTMLElement;\r\n\r\n    const nScrollBarSize = nativeScrollbarSize(body, envElm);\r\n    const nativeScrollbarIsOverlaid = {\r\n      x: nScrollBarSize.x === 0,\r\n      y: nScrollBarSize.y === 0,\r\n    };\r\n\r\n    _self.autoUpdateLoop = false;\r\n    _self.nativeScrollbarSize = nScrollBarSize;\r\n    _self.nativeScrollbarIsOverlaid = nativeScrollbarIsOverlaid;\r\n    _self.nativeScrollbarStyling = nativeScrollbarStyling(envElm);\r\n    _self.rtlScrollBehavior = rtlScrollBehavior(envElm, envChildElm);\r\n    _self.supportPassiveEvents = passiveEvents();\r\n    _self.supportResizeObserver = !!jsAPI('ResizeObserver');\r\n\r\n    removeAttr(envElm, 'style');\r\n    removeElements(envElm);\r\n\r\n    if (nativeScrollbarIsOverlaid.x && nativeScrollbarIsOverlaid.y) {\r\n      let size = windowSize();\r\n      let dpr = windowDPR();\r\n      const onChangedListener = this.#onChangedListener;\r\n\r\n    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diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.min.js b/packages/overlayscrollbars/dist/overlayscrollbars.min.js
index b29c8a9..4214450 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.min.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.min.js
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+!function(e,r){"object"==typeof exports&&"undefined"!=typeof module?module.exports=r():"function"==typeof define&&define.amd?define(r):(e=e||self).OverlayScrollbars=r()}(this,(function(){"use strict";function e(e){return"number"==typeof e}function r(e){return"string"==typeof e}function t(e){return Array.isArray(e)}function n(r){var n=!!r&&r.length;return t(r)||!function(e){return"function"==typeof e}(r)&&e(n)&&n>-1&&n%1==0}function i(e,r){return function(e,r,t,n){if(void 0===n)return t?t[e]:r;t&&(t[e]=n)}("scrollLeft",0,e,r)}var o=/[^\x20\t\r\n\f]+/g,a=function(e,t){!function(e,t,n){var i,a=0,s=!1;if(e&&r(t)){var c=t.match(o)||[];for(s=c.length>0;i=c[a++];)s=n(e.classList,i)&&s}}(e,t,(function(e,r){return e.add(r)}))},s=function(e){return e?Object.keys(e):[]};function c(e,r){if(n(e))for(var t=0;t<e.length&&!1!==r(e[t],t,e);t++);else e&&c(s(e),(function(t){return r(e[t],t,e)}));return e}var u=function(e){if(Array.from)return Array.from(e);var r=[];return 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e}(),t.supportResizeObserver=!!P("ResizeObserver"),r="style",null==(e=o)||e.removeAttribute(r),f(o),u.x&&u.y){var l=h(),v=k(),w=x(this,A);window.addEventListener("resize",(function(){if(w.size){var e=h(),r={w:e.w-l.w,h:e.h-l.h};if(0===r.w&&0===r.h)return;var i,a={w:L(r.w),h:L(r.h)},s={w:L(C(e.w/(l.w/100))),h:L(C(e.h/(l.h/100)))},c=k(),u=a.w>2&&a.h>2,d=(b=s.h,g=L(s.w),m=L(b),!(g!==m&&g+1!==m&&g-1!==m)),p=u&&d&&(c!==v&&v>0),y=t.nativeScrollbarSize;p&&(i=t.nativeScrollbarSize=j(n,o),f(o),y.x===i.x&&y.y===i.y||w.forEach((function(e){return e&&e(t)}))),l=e,v=c}var b,g,m}))}}var r=e.prototype;return r.addListener=function(e){x(this,A).add(e)},r.removeListener=function(e){x(this,A).delete(e)},e}();return function(){return[new M,d('    <div class="os-host">        <div class="os-resize-observer-host"></div>        <div class="os-padding">            <div class="os-viewport">                <div class="os-content">                    fdfhdfgh                </div>            </div>        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\ No newline at end of file
diff --git a/packages/overlayscrollbars/src/index.ts b/packages/overlayscrollbars/src/index.ts
index a985cd4..a0cd464 100644
--- a/packages/overlayscrollbars/src/index.ts
+++ b/packages/overlayscrollbars/src/index.ts
@@ -6,10 +6,10 @@ const abc = {
   b: 1,
   c: 1,
 };
-const env = new Environment();
+
 export default () => {
   return [
-    env,
+    new Environment(),
     createDOM(
       '\
     <div class="os-host">\
diff --git a/packages/overlayscrollbars/src/support/dom/manipulation.ts b/packages/overlayscrollbars/src/support/dom/manipulation.ts
index 05a17e0..adc96c2 100644
--- a/packages/overlayscrollbars/src/support/dom/manipulation.ts
+++ b/packages/overlayscrollbars/src/support/dom/manipulation.ts
@@ -1,5 +1,5 @@
 import { isArrayLike } from 'support/utils/types';
-import { each } from 'support/utils/array';
+import { each, from } from 'support/utils/array';
 import { parent } from 'support/dom/traversal';
 
 type NodeCollection = ArrayLike<Node> | Node | undefined | null;
@@ -87,7 +87,7 @@ export const insertAfter = (node: Node | null, insertedNodes: NodeCollection): v
  */
 export const removeElements = (nodes: NodeCollection): void => {
   if (isArrayLike(nodes)) {
-    each(Array.from(nodes), (e) => removeElements(e));
+    each(from(nodes), (e) => removeElements(e));
   } else if (nodes) {
     const { parentNode } = nodes;
     if (parentNode) {
diff --git a/packages/overlayscrollbars/src/support/dom/offset.ts b/packages/overlayscrollbars/src/support/dom/offset.ts
index ce370b5..16e54d9 100644
--- a/packages/overlayscrollbars/src/support/dom/offset.ts
+++ b/packages/overlayscrollbars/src/support/dom/offset.ts
@@ -1,4 +1,5 @@
-import { XY, getBoundingClientRect } from 'support/dom';
+import { getBoundingClientRect } from 'support/dom/dimensions';
+import { XY } from 'support/dom';
 
 const zeroObj: XY = {
   x: 0,
diff --git a/packages/overlayscrollbars/src/support/dom/traversal.ts b/packages/overlayscrollbars/src/support/dom/traversal.ts
index 8f190e2..41a601d 100644
--- a/packages/overlayscrollbars/src/support/dom/traversal.ts
+++ b/packages/overlayscrollbars/src/support/dom/traversal.ts
@@ -1,4 +1,4 @@
-import { each } from 'support/utils/array';
+import { each, from } from 'support/utils/array';
 
 const elementIsVisible = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);
 
@@ -45,6 +45,6 @@ export const children = (elm: Element | null, selector?: string): ReadonlyArray<
   return childs;
 };
 
-export const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? Array.from<ChildNode>(elm.childNodes) : []);
+export const contents = (elm: Element | null): ReadonlyArray<ChildNode> => (elm ? from(elm.childNodes) : []);
 
 export const parent = (elm: Node | null): Node | null => (elm ? elm.parentElement : null);
diff --git a/packages/overlayscrollbars/src/support/utils/array.ts b/packages/overlayscrollbars/src/support/utils/array.ts
index e19e9b7..3b2248e 100644
--- a/packages/overlayscrollbars/src/support/utils/array.ts
+++ b/packages/overlayscrollbars/src/support/utils/array.ts
@@ -11,25 +11,25 @@ import { PlainObject } from 'typings';
  */
 export function each<T>(
   array: Array<T> | ReadonlyArray<T>,
-  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,
+  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void
 ): Array<T> | ReadonlyArray<T>;
 export function each<T>(
   array: Array<T> | ReadonlyArray<T> | null,
-  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void,
+  callback: (value: T, indexOrKey: number, source: Array<T>) => boolean | void
 ): Array<T> | ReadonlyArray<T> | null;
 export function each<T>(
   arrayLikeObject: ArrayLike<T>,
-  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,
+  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void
 ): ArrayLike<T>;
 export function each<T>(
   arrayLikeObject: ArrayLike<T> | null,
-  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void,
+  callback: (value: T, indexOrKey: number, source: ArrayLike<T>) => boolean | void
 ): ArrayLike<T> | null;
 export function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;
 export function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;
 export function each<T>(
   source: ArrayLike<T> | PlainObject | null,
-  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void,
+  callback: (value: T | any, indexOrKey: any, source: any) => boolean | void
 ): Array<T> | ReadonlyArray<T> | ArrayLike<T> | PlainObject | null {
   if (isArrayLike(source)) {
     for (let i = 0; i < source.length; i++) {
@@ -50,3 +50,14 @@ export function each<T>(
  * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.
  */
 export const indexOf = <T = any>(arr: Array<T>, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);
+
+export const from = <T = any>(arr: ArrayLike<T>) => {
+  if (Array.from) {
+    return Array.from(arr);
+  }
+  const result: Array<T> = [];
+  each(arr, (elm) => {
+    result.push(elm);
+  });
+  return result;
+};
diff --git a/packages/overlayscrollbars/types/support/dom/dimensions.d.ts b/packages/overlayscrollbars/types/support/dom/dimensions.d.ts
index ba4d924..8919308 100644
--- a/packages/overlayscrollbars/types/support/dom/dimensions.d.ts
+++ b/packages/overlayscrollbars/types/support/dom/dimensions.d.ts
@@ -2,4 +2,4 @@ import { WH } from 'support/dom';
 export declare const windowSize: () => WH;
 export declare const offsetSize: (elm: HTMLElement | null) => WH;
 export declare const clientSize: (elm: HTMLElement | null) => WH;
-export declare const getBoundingClientRect: (elm: HTMLElement | null) => DOMRect;
+export declare const getBoundingClientRect: (elm: HTMLElement) => DOMRect;
diff --git a/packages/overlayscrollbars/types/support/utils/array.d.ts b/packages/overlayscrollbars/types/support/utils/array.d.ts
index f07353f..0fc6883 100644
--- a/packages/overlayscrollbars/types/support/utils/array.d.ts
+++ b/packages/overlayscrollbars/types/support/utils/array.d.ts
@@ -6,3 +6,4 @@ export declare function each<T>(arrayLikeObject: ArrayLike<T> | null, callback:
 export declare function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject;
 export declare function each(obj: PlainObject | null, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | void): PlainObject | null;
 export declare const indexOf: <T = any>(arr: T[], item: T, fromIndex?: number | undefined) => number;
+export declare const from: <T = any>(arr: ArrayLike<T>) => T[];