diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
index fa65461..fcbd70c 100644
--- a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
+++ b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js
@@ -1221,7 +1221,9 @@ const createSizeObserver = (target, onSizeChangedCallback, options) => {
if (ResizeObserverConstructor) {
const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);
resizeObserverInstance.observe(listenerElement);
- push(offListeners, () => resizeObserverInstance.disconnect());
+ push(offListeners, () => {
+ resizeObserverInstance.disconnect();
+ });
} else {
const observerElementChildren = createDOM(
``
@@ -1367,7 +1369,9 @@ const createTrinsicObserver = (target, onTrinsicChangedCallback) => {
}
);
intersectionObserverInstance.observe(trinsicObserver);
- push(offListeners, () => intersectionObserverInstance.disconnect());
+ push(offListeners, () => {
+ intersectionObserverInstance.disconnect();
+ });
} else {
const onSizeChanged = () => {
const newSize = offsetSize(trinsicObserver);
@@ -1402,7 +1406,9 @@ const createEventContentChange = (target, eventContentChange, callback) => {
const _destroy = () => {
if (map) {
- map.forEach((eventName, elm) => off(elm, eventName, callback));
+ map.forEach((eventName, elm) => {
+ off(elm, eventName, callback);
+ });
map.clear();
}
};
@@ -1569,6 +1575,7 @@ const createDOMObserver = (target, isContentObserver, callback, options) => {
};
const ignorePrefix = 'os-';
+const viewportAttrsFromTarget = ['tabindex'];
const baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];
const baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];
@@ -1584,6 +1591,7 @@ const ignoreTargetChange = (target, attrName, oldValue, newValue) => {
const lifecycleHubOservers = (instance, updateLifecycles) => {
let debounceTimeout;
let debounceMaxDelay;
+ let contentMutationObserver;
const { _structureSetup } = instance;
const { _targetObj, _targetCtx } = _structureSetup;
const { _host, _viewport, _content } = _targetObj;
@@ -1608,6 +1616,20 @@ const lifecycleHubOservers = (instance, updateLifecycles) => {
},
});
+ const updateViewportAttrsFromHost = (attributes) => {
+ each(attributes || viewportAttrsFromTarget, (attribute) => {
+ if (indexOf(viewportAttrsFromTarget, attribute) > -1) {
+ const hostAttr = attr(_host, attribute);
+
+ if (isString(hostAttr)) {
+ attr(_viewport, attribute, hostAttr);
+ } else {
+ removeAttr(_viewport, attribute);
+ }
+ }
+ });
+ };
+
const onTrinsicChanged = (heightIntrinsic) => {
updateLifecycles({
_heightIntrinsic: heightIntrinsic,
@@ -1629,9 +1651,16 @@ const lifecycleHubOservers = (instance, updateLifecycles) => {
});
};
- const onHostMutation = updateLifecyclesWithDebouncedAdaptiveUpdateHints.bind(0, {
- _hostMutation: true,
- });
+ const onHostMutation = (targetChangedAttrs, targetStyleChanged) => {
+ if (targetStyleChanged) {
+ updateLifecyclesWithDebouncedAdaptiveUpdateHints({
+ _hostMutation: true,
+ });
+ } else {
+ updateViewportAttrsFromHost(targetChangedAttrs);
+ }
+ };
+
const trinsicObserver = (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);
const sizeObserver = createSizeObserver(_host, onSizeChanged, {
_appear: true,
@@ -1639,10 +1668,9 @@ const lifecycleHubOservers = (instance, updateLifecycles) => {
});
const hostMutationObserver = createDOMObserver(_host, false, onHostMutation, {
_styleChangingAttributes: baseStyleChangingAttrs,
- _attributes: baseStyleChangingAttrs,
+ _attributes: baseStyleChangingAttrs.concat(viewportAttrsFromTarget),
_ignoreTargetChange: ignoreTargetChange,
});
- let contentMutationObserver;
const updateOptions = (checkOption) => {
const { _value: elementEvents, _changed: elementEventsChanged } = checkOption('updating.elementEvents');
@@ -1683,10 +1711,20 @@ const lifecycleHubOservers = (instance, updateLifecycles) => {
}
};
+ updateViewportAttrsFromHost();
return {
_trinsicObserver: trinsicObserver,
_sizeObserver: sizeObserver,
_updateObserverOptions: updateOptions,
+
+ _destroy() {
+ contentMutationObserver && contentMutationObserver._destroy();
+ trinsicObserver && trinsicObserver._destroy();
+
+ sizeObserver._destroy();
+
+ hostMutationObserver._destroy();
+ },
};
};
@@ -1788,6 +1826,8 @@ const sizeFraction = (elm) => {
};
};
+const fractionalPixelRatioTollerance = () => (window.devicePixelRatio % 1 === 0 ? 0 : 1);
+
const setAxisOverflowStyle = (horizontal, overflowAmount, behavior, styleObj) => {
const overflowKey = horizontal ? 'overflowX' : 'overflowY';
const behaviorIsVisible = behavior.indexOf('visible') === 0;
@@ -1822,8 +1862,14 @@ const createOverflowLifecycle = (lifecycleHub) => {
);
const { _update: updateOverflowAmountCache, _current: getCurrentOverflowAmountCache } = createCache(
({ _viewportScrollSize, _viewportClientSize, _viewportSizeFraction }) => ({
- w: round$1(max(0, _viewportScrollSize.w - _viewportClientSize.w) - max(0, _viewportSizeFraction.w)),
- h: round$1(max(0, _viewportScrollSize.h - _viewportClientSize.h) - max(0, _viewportSizeFraction.h)),
+ w: max(
+ 0,
+ round$1(max(0, _viewportScrollSize.w - _viewportClientSize.w) - (fractionalPixelRatioTollerance() || max(0, _viewportSizeFraction.w)))
+ ),
+ h: max(
+ 0,
+ round$1(max(0, _viewportScrollSize.h - _viewportClientSize.h) - (fractionalPixelRatioTollerance() || max(0, _viewportSizeFraction.h)))
+ ),
}),
whCacheOptions
);
@@ -2233,11 +2279,9 @@ const createLifecycleHub = (options, structureSetup) => {
}
};
- const { _sizeObserver, _trinsicObserver, _updateObserverOptions } = lifecycleHubOservers(instance, updateLifecycles);
+ const { _sizeObserver, _trinsicObserver, _updateObserverOptions, _destroy: destroyObservers } = lifecycleHubOservers(instance, updateLifecycles);
- const update = (changedOptions, force) => {
- updateLifecycles(null, changedOptions, force);
- };
+ const update = (changedOptions, force) => updateLifecycles(null, changedOptions, force);
const envUpdateListener = update.bind(null, null, true);
addEnvironmentListener(envUpdateListener);
@@ -2249,6 +2293,7 @@ const createLifecycleHub = (options, structureSetup) => {
}),
_destroy() {
+ destroyObservers();
removeEnvironmentListener(envUpdateListener);
},
};
diff --git a/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map b/packages/overlayscrollbars/dist/overlayscrollbars.esm.js.map
index 532ab26..4e20aaf 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/cache/cache.ts","../src/support/utils/types.ts","../src/support/utils/array.ts","../src/support/utils/object.ts","../src/support/dom/attribute.ts","../src/support/dom/traversal.ts","../src/support/dom/manipulation.ts","../src/support/dom/create.ts","../src/support/compatibility/vendors.ts","../src/support/compatibility/apis.ts","../src/support/dom/class.ts","../src/support/dom/dimensions.ts","../src/support/dom/events.ts","../src/support/utils/equal.ts","../src/support/utils/function.ts","../src/support/dom/style.ts","../src/support/dom/offset.ts","../../../node_modules/@babel/runtime/helpers/extends.js","../src/support/options/validation.ts","../src/support/options/transformation.ts","../src/classnames.ts","../src/options.ts","../src/environment.ts","../src/setups/structureSetup.ts","../src/observers/sizeObserver.ts","../src/observers/trinsicObserver.ts","../src/observers/domObserver.ts","../src/lifecycles/lifecycleHubObservers.ts","../src/lifecycles/trinsicLifecycle.ts","../src/lifecycles/paddingLifecycle.ts","../src/lifecycles/overflowLifecycle.ts","../src/lifecycles/lifecycleHub.ts","../src/overlayscrollbars.ts"],"sourcesContent":["export interface CacheValues {\r\n readonly _value?: T;\r\n readonly _previous?: T;\r\n _changed: boolean;\r\n}\r\n\r\nexport interface CacheOptions {\r\n // Custom comparison function if shallow compare isn't enough. Returns true if nothing changed.\r\n _equal?: EqualCachePropFunction;\r\n // Initial value for _value\r\n _initialValue?: T;\r\n // If true updates always _value and _previous, otherwise they update only when changed\r\n _alwaysUpdateValues?: boolean;\r\n}\r\n\r\nexport interface Cache {\r\n _current: (force?: boolean) => CacheValues;\r\n _update: CacheUpdate;\r\n}\r\n\r\nexport type CacheUpdate = undefined extends C\r\n ? (force?: boolean | 0, context?: C) => CacheValues\r\n : (force: boolean | 0, context: C) => CacheValues;\r\n\r\nexport type UpdateCachePropFunction = undefined extends C\r\n ? (context?: C, current?: T, previous?: T) => T\r\n : C extends T\r\n ? ((context: C, current?: T, previous?: T) => T) | 0\r\n : (context: C, current?: T, previous?: T) => T;\r\n\r\nexport type EqualCachePropFunction = (currentVal?: T, newVal?: T) => boolean;\r\n\r\nexport const createCache = (update: UpdateCachePropFunction, options?: CacheOptions): Cache => {\r\n const { _equal, _initialValue, _alwaysUpdateValues } = options || {};\r\n let _value: T | undefined = _initialValue;\r\n let _previous: T | undefined;\r\n\r\n const cacheUpdate = ((force?: boolean | 0, context?: C) => {\r\n const curr = _value;\r\n // @ts-ignore\r\n // update can only not be a function if C extends T as described in \"UpdateCachePropFunction\" type definition\r\n // if C extends T the cast (context as T) is perfectly valid\r\n const newVal = update ? update(context, _value, _previous) : (context as T);\r\n const changed = force || (_equal ? !_equal(curr, newVal) : curr !== newVal);\r\n\r\n if (changed || _alwaysUpdateValues) {\r\n _value = newVal;\r\n _previous = curr;\r\n }\r\n\r\n return {\r\n _value,\r\n _previous,\r\n _changed: changed,\r\n };\r\n }) as CacheUpdate;\r\n\r\n return {\r\n _update: cacheUpdate,\r\n _current: (force?: boolean) => ({\r\n _value,\r\n _previous,\r\n _changed: !!force,\r\n }),\r\n };\r\n};\r\n","import { PlainObject } from 'typings';\r\n\r\nconst ElementNodeType = Node.ELEMENT_NODE;\r\nconst { toString, hasOwnProperty } = Object.prototype;\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 const type: (obj: any) => string = (obj) => {\r\n return isUndefined(obj) || isNull(obj)\r\n ? `${obj}`\r\n : 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 {\r\n return typeof obj === 'function';\r\n}\r\n\r\nexport function isArray(obj: any): obj is Array {\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(obj: any): obj is ArrayLike {\r\n const length = !!obj && obj.length;\r\n const lengthCorrectFormat = isNumber(length) && length > -1 && length % 1 == 0; // eslint-disable-line eqeqeq\r\n\r\n return isArray(obj) || (!isFunction(obj) && lengthCorrectFormat) ? (length > 0 && isObject(obj) ? length - 1 in obj : true) : false;\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(obj: any): obj is PlainObject {\r\n if (!obj || !isObject(obj) || type(obj) !== 'object') return false;\r\n\r\n let key;\r\n const cstr = 'constructor';\r\n const ctor = obj[cstr];\r\n const ctorProto = ctor && ctor.prototype;\r\n const hasOwnConstructor = hasOwnProperty.call(obj, cstr);\r\n const hasIsPrototypeOf = ctorProto && hasOwnProperty.call(ctorProto, 'isPrototypeOf');\r\n\r\n if (ctor && !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 instanceofObj = window.HTMLElement;\r\n return obj ? (instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType) : false;\r\n}\r\n\r\n/**\r\n * Checks whether the given object is a Element.\r\n * @param obj The object which shall be checked.\r\n */\r\nexport function isElement(obj: any): obj is Element {\r\n const instanceofObj = window.Element;\r\n return obj ? (instanceofObj ? obj instanceof instanceofObj : obj.nodeType === ElementNodeType) : false;\r\n}\r\n","import { isArrayLike, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\ntype RunEachItem = ((...args: any) => any | any[]) | null | undefined;\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(\r\n array: Array | ReadonlyArray,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray;\r\nexport function each(\r\n array: Array | ReadonlyArray | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: Array) => boolean | unknown\r\n): Array | ReadonlyArray | null | undefined;\r\nexport function each(\r\n arrayLikeObject: ArrayLike,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike;\r\nexport function each(\r\n arrayLikeObject: ArrayLike | null | undefined,\r\n callback: (value: T, indexOrKey: number, source: ArrayLike) => boolean | unknown\r\n): ArrayLike | null | undefined;\r\nexport function each(obj: PlainObject, callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown): PlainObject;\r\nexport function each(\r\n obj: PlainObject | null | undefined,\r\n callback: (value: any, indexOrKey: string, source: PlainObject) => boolean | unknown\r\n): PlainObject | null | undefined;\r\nexport function each(\r\n source: ArrayLike | PlainObject | null | undefined,\r\n callback: (value: T, indexOrKey: any, source: any) => boolean | unknown\r\n): Array | ReadonlyArray | ArrayLike | PlainObject | null | undefined {\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(Object.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 = (arr: Array, item: T, fromIndex?: number): number => arr.indexOf(item, fromIndex);\r\n\r\n/**\r\n * Pushesh all given items into the given array and returns it.\r\n * @param array The array the items shall be pushed into.\r\n * @param items The items which shall be pushed into the array.\r\n */\r\nexport const push = (array: Array, items: T | ArrayLike, arrayIsSingleItem?: boolean): Array => {\r\n !arrayIsSingleItem && !isString(items) && isArrayLike(items) ? Array.prototype.push.apply(array, items as Array) : array.push(items as T);\r\n return array;\r\n};\r\n\r\n/**\r\n * Creates a shallow-copied Array instance from an array-like or iterable object.\r\n * @param arr The object from which the array instance shall be created.\r\n */\r\nexport const from = (arr: ArrayLike) => {\r\n if (Array.from) {\r\n return Array.from(arr);\r\n }\r\n const result: Array = [];\r\n\r\n each(arr, (elm) => {\r\n push(result, elm);\r\n });\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Check whether the passed array is empty.\r\n * @param array The array which shall be checked.\r\n */\r\nexport const isEmptyArray = (array: Array | null | undefined) => array && array.length === 0;\r\n\r\n/**\r\n * Calls all functions in the passed array/set of functions.\r\n * @param arr The array filled with function which shall be called.\r\n * @param p1 The first param.\r\n */\r\nexport const runEach = (arr: ArrayLike | Set, p1?: unknown): void => {\r\n const runFn = (fn: RunEachItem) => fn && fn(p1);\r\n if (arr instanceof Set) {\r\n arr.forEach(runFn);\r\n } else {\r\n each(arr, runFn);\r\n }\r\n};\r\n","import { isArray, isFunction, isPlainObject, isNull } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\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 => 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 => (obj ? Object.keys(obj) : []);\r\n\r\n// https://github.com/jquery/jquery/blob/master/src/core.js#L116\r\nexport function assignDeep(target: T, object1: U): T & U;\r\nexport function assignDeep(target: T, object1: U, object2: V): T & U & V;\r\nexport function assignDeep(target: T, object1: U, object2: V, object3: W): T & U & V & W;\r\nexport function assignDeep(target: T, object1: U, object2: V, object3: W, object4: X): T & U & V & W & X;\r\nexport function assignDeep(target: T, object1: U, object2: V, object3: W, object4: X, object5: Y): T & U & V & W & X & Y;\r\nexport function assignDeep(\r\n target: T,\r\n object1?: U,\r\n object2?: V,\r\n object3?: W,\r\n object4?: X,\r\n object5?: Y,\r\n object6?: Z\r\n): T & U & V & W & X & Y & Z {\r\n const sources: Array = [object1, object2, object3, object4, object5, object6];\r\n\r\n // Handle case when target is a string or something (possible in deep copy)\r\n if ((typeof target !== 'object' || isNull(target)) && !isFunction(target)) {\r\n target = {} as T;\r\n }\r\n\r\n each(sources, (source) => {\r\n // Extend the base object\r\n each(keys(source), (key) => {\r\n const copy: any = source[key];\r\n\r\n // Prevent Object.prototype pollution\r\n // Prevent never-ending loop\r\n if (target === copy) {\r\n return true;\r\n }\r\n\r\n const copyIsArray = isArray(copy);\r\n\r\n // Recurse if we're merging plain objects or arrays\r\n if (copy && (isPlainObject(copy) || copyIsArray)) {\r\n const src = target[key];\r\n let clone: any = src;\r\n\r\n // Ensure proper type for the source value\r\n if (copyIsArray && !isArray(src)) {\r\n clone = [];\r\n } else if (!copyIsArray && !isPlainObject(src)) {\r\n clone = {};\r\n }\r\n\r\n // Never move original objects, clone them\r\n target[key] = assignDeep(clone, copy) as any;\r\n } else {\r\n target[key] = copy;\r\n }\r\n });\r\n });\r\n\r\n // Return the modified object\r\n return target as any;\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 && 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 { isElement } from 'support/utils/types';\r\nimport { push, from } from 'support/utils/array';\r\n\r\ntype InputElementType = Element | Node | false | null | undefined;\r\ntype OutputElementType = Element | null;\r\n\r\nconst elmPrototype = Element.prototype;\r\n\r\n/**\r\n * Find all elements with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst find = (selector: string, elm?: InputElementType): Element[] => {\r\n const arr: Array = [];\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? push(arr, rootElm.querySelectorAll(selector)) : arr;\r\n};\r\n\r\n/**\r\n * Find the first element with the passed selector, outgoing (and including) the passed element or the document if no element was provided.\r\n * @param selector The selector which has to be searched by.\r\n * @param elm The element from which the search shall be outgoing.\r\n */\r\nconst findFirst = (selector: string, elm?: InputElementType): OutputElementType => {\r\n const rootElm = elm ? (isElement(elm) ? elm : null) : document;\r\n\r\n return rootElm ? rootElm.querySelector(selector) : null;\r\n};\r\n\r\n/**\r\n * Determines whether the passed element is matching with the passed selector.\r\n * @param elm The element which has to be compared with the passed selector.\r\n * @param selector The selector which has to be compared with the passed element. Additional selectors: ':visible' and ':hidden'.\r\n */\r\nconst is = (elm: InputElementType, selector: string): boolean => {\r\n if (isElement(elm)) {\r\n /* istanbul ignore next */\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n const fn: (...args: any) => boolean = elmPrototype.matches || elmPrototype.msMatchesSelector;\r\n return fn.call(elm, selector);\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Returns the children (no text-nodes or comments) of the passed element which are matching the passed selector. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the children shall be returned.\r\n * @param selector The selector which must match with the children elements.\r\n */\r\nconst children = (elm: InputElementType, selector?: string): ReadonlyArray => {\r\n const childs: Array = [];\r\n\r\n return isElement(elm)\r\n ? push(\r\n childs,\r\n from(elm.children).filter((child) => (selector ? is(child, selector) : child))\r\n )\r\n : childs;\r\n};\r\n\r\n/**\r\n * Returns the childNodes (incl. text-nodes or comments etc.) of the passed element. An empty array is returned if the passed element is null.\r\n * @param elm The element of which the childNodes shall be returned.\r\n */\r\nconst contents = (elm: InputElementType): ReadonlyArray => (elm ? from(elm.childNodes) : []);\r\n\r\n/**\r\n * Returns the parent element of the passed element, or null if the passed element is null.\r\n * @param elm The element of which the parent element shall be returned.\r\n */\r\nconst parent = (elm: InputElementType): OutputElementType => (elm ? elm.parentElement : null);\r\n\r\nconst closest = (elm: InputElementType, selector: string): OutputElementType => {\r\n if (isElement(elm)) {\r\n const closestFn = elmPrototype.closest;\r\n if (closestFn) {\r\n return closestFn.call(elm, selector);\r\n }\r\n\r\n do {\r\n if (is(elm, selector)) {\r\n return elm as Element;\r\n }\r\n elm = parent(elm);\r\n } while (elm);\r\n }\r\n\r\n return null;\r\n};\r\n\r\n/**\r\n * Determines whether the given element lies between two selectors in the DOM.\r\n * @param elm The element.\r\n * @param highBoundarySelector The high boundary selector.\r\n * @param deepBoundarySelector The deep boundary selector.\r\n */\r\nconst liesBetween = (elm: InputElementType, highBoundarySelector: string, deepBoundarySelector: string): boolean => {\r\n const closestHighBoundaryElm = elm && closest(elm, highBoundarySelector);\r\n const closestDeepBoundaryElm = elm && findFirst(deepBoundarySelector, closestHighBoundaryElm);\r\n\r\n return closestHighBoundaryElm && closestDeepBoundaryElm\r\n ? closestHighBoundaryElm === elm ||\r\n closestDeepBoundaryElm === elm ||\r\n closest(closest(elm, deepBoundarySelector), highBoundarySelector) !== closestHighBoundaryElm\r\n : false;\r\n};\r\n\r\nexport { find, findFirst, is, children, contents, parent, liesBetween };\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 | false | null | undefined;\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 | false | null | undefined, preferredAnchor: Node | null | undefined, insertedElms: NodeCollection): void => {\r\n if (insertedElms) {\r\n let anchor: Node | null | undefined = preferredAnchor;\r\n let fragment: DocumentFragment | Node | null | undefined;\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 || null);\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 | undefined, 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 | undefined, 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 | undefined, 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 | undefined, 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 parentElm = parent(nodes);\r\n if (parentElm) {\r\n parentElm.removeChild(nodes);\r\n }\r\n }\r\n};\r\n","import { each } from 'support/utils/array';\r\nimport { attr } from 'support/dom/attribute';\r\nimport { contents } from 'support/dom/traversal';\r\nimport { removeElements } from 'support/dom/manipulation';\r\n\r\n/**\r\n * Creates a div DOM node.\r\n */\r\nexport const createDiv = (classNames?: string): HTMLDivElement => {\r\n const div = document.createElement('div');\r\n if (classNames) {\r\n attr(div, 'class', classNames);\r\n }\r\n return div;\r\n};\r\n\r\n/**\r\n * Creates DOM nodes modeled after the passed html string and returns the root dom nodes as a array.\r\n * @param html The html string after which the DOM nodes shall be created.\r\n */\r\nexport const createDOM = (html: string): ReadonlyArray => {\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 { each } from 'support/utils/array';\r\nimport { hasOwnProperty } from 'support/utils/object';\r\nimport { createDiv } from 'support/dom/create';\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 = ['-webkit-', '-moz-', '-o-', '-ms-'];\r\nexport const jsPrefixes: ReadonlyArray = ['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 it, or and empty string 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 => {\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 = [\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 return !(result = resultPossibilities.find((resultPossibility: string) => elmStyle[resultPossibility] !== undefined));\r\n });\r\n\r\n return (cssCache[name] = 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 without it, or an empty string 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 => {\r\n const name = `${property} ${values}`;\r\n let result: string | undefined = cssCache[name];\r\n\r\n if (hasOwnProperty(cssCache, name)) {\r\n return result;\r\n }\r\n\r\n const dummyStyle: CSSStyleDeclaration = getDummyStyle();\r\n const possbleValues: Array = values.split(' ');\r\n const preparedSuffix: string = suffix || '';\r\n const cssPrefixesWithFirstEmpty = [''].concat(cssPrefixes);\r\n\r\n each(possbleValues, (possibleValue: string) => {\r\n each(cssPrefixesWithFirstEmpty, (prefix: string) => {\r\n const prop = prefix + possibleValue;\r\n dummyStyle.cssText = `${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 return (cssCache[name] = 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): T | undefined => {\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 MutationObserverConstructor = jsAPI('MutationObserver');\r\nexport const IntersectionObserverConstructor = jsAPI('IntersectionObserver');\r\nexport const ResizeObserverConstructor = jsAPI('ResizeObserver');\r\nexport const cAF = jsAPI('cancelAnimationFrame');\r\nexport const rAF = jsAPI('requestAnimationFrame');\r\n","import { isString } from 'support/utils/types';\r\nimport { each } from 'support/utils/array';\r\nimport { keys } from 'support/utils/object';\r\n\r\nconst rnothtmlwhite = /[^\\x20\\t\\r\\n\\f]+/g;\r\nconst classListAction = (\r\n elm: Element | false | null | undefined,\r\n className: string,\r\n action: (elmClassList: DOMTokenList, clazz: string) => boolean | void\r\n): 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 = className.match(rnothtmlwhite) || [];\r\n result = classes.length > 0;\r\n while ((clazz = classes[i++])) {\r\n result = !!action(elm.classList, clazz) && 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 | false | null | undefined, 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 | false | null | undefined, 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 | false | null | undefined, className: string): void => {\r\n classListAction(elm, className, (classList, clazz) => classList.remove(clazz));\r\n};\r\n\r\n/**\r\n * Takes two className strings, compares them and returns the difference as array.\r\n * @param classNameA ClassName A.\r\n * @param classNameB ClassName B.\r\n */\r\nexport const diffClass = (classNameA: string | null | undefined, classNameB: string | null | undefined) => {\r\n const classNameASplit = classNameA && classNameA.split(' ');\r\n const classNameBSplit = classNameB && classNameB.split(' ');\r\n const tempObj = {};\r\n\r\n each(classNameASplit, (className) => {\r\n tempObj[className] = 1;\r\n });\r\n each(classNameBSplit, (className) => {\r\n if (tempObj[className]) {\r\n delete tempObj[className];\r\n } else {\r\n tempObj[className] = 1;\r\n }\r\n });\r\n\r\n return keys(tempObj);\r\n};\r\n","export interface WH {\r\n w: T;\r\n h: T;\r\n}\r\n\r\nconst elementHasDimensions = (elm: HTMLElement): boolean => !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);\r\nconst zeroObj: WH = {\r\n w: 0,\r\n h: 0,\r\n};\r\n\r\n/**\r\n * Returns the window inner- width and height.\r\n */\r\nexport const windowSize = (): WH => ({\r\n w: window.innerWidth,\r\n h: window.innerHeight,\r\n});\r\n\r\n/**\r\n * Returns the scroll- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the scroll- width and height shall be returned.\r\n */\r\nexport const offsetSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.offsetWidth,\r\n h: elm.offsetHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const clientSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.clientWidth,\r\n h: elm.clientHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the client- width and height of the passed element. If the element is null the width and height values are 0.\r\n * @param elm The element of which the client- width and height shall be returned.\r\n */\r\nexport const scrollSize = (elm: HTMLElement | null | undefined): WH =>\r\n elm\r\n ? {\r\n w: elm.scrollWidth,\r\n h: elm.scrollHeight,\r\n }\r\n : zeroObj;\r\n\r\n/**\r\n * Returns the BoundingClientRect of the passed element.\r\n * @param elm The element of which the BoundingClientRect shall be returned.\r\n */\r\nexport const getBoundingClientRect = (elm: HTMLElement): DOMRect => elm.getBoundingClientRect();\r\n\r\n/**\r\n * Determines whether the passed element has any dimensions.\r\n * @param elm The element.\r\n */\r\nexport const hasDimensions = (elm: HTMLElement | null | undefined): boolean => (elm ? elementHasDimensions(elm as HTMLElement) : false);\r\n","import { isUndefined } from 'support/utils/types';\r\nimport { each, push, runEach } from 'support/utils/array';\r\n\r\nlet passiveEventsSupport: boolean;\r\nconst supportPassiveEvents = (): boolean => {\r\n if (isUndefined(passiveEventsSupport)) {\r\n passiveEventsSupport = 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 passiveEventsSupport = true;\r\n },\r\n })\r\n );\r\n /* eslint-enable */\r\n } catch (e) {}\r\n }\r\n return passiveEventsSupport;\r\n};\r\nconst splitEventNames = (eventNames: string) => eventNames.split(' ');\r\n\r\nexport interface OnOptions {\r\n _capture?: boolean;\r\n _passive?: boolean;\r\n _once?: boolean;\r\n}\r\n\r\n/**\r\n * Removes the passed event listener for the passed events with the passed options.\r\n * @param target The element from which the listener shall be removed.\r\n * @param eventNames The eventsnames for which the listener shall be removed.\r\n * @param listener The listener which shall be removed.\r\n * @param capture The options of the removed listener.\r\n */\r\nexport const off = (target: EventTarget, eventNames: string, listener: (event: T) => any, capture?: boolean): void => {\r\n each(splitEventNames(eventNames), (eventName) => {\r\n target.removeEventListener(eventName, listener as EventListener, capture);\r\n });\r\n};\r\n\r\n/**\r\n * Adds the passed event listener for the passed eventnames with the passed options.\r\n * @param target The element to which the listener shall be added.\r\n * @param eventNames The eventsnames for which the listener shall be called.\r\n * @param listener The listener which is called on the eventnames.\r\n * @param options The options of the added listener.\r\n */\r\nexport const on = (\r\n target: EventTarget,\r\n eventNames: string,\r\n listener: (event: T) => any,\r\n options?: OnOptions\r\n): (() => void) => {\r\n const doSupportPassiveEvents = supportPassiveEvents();\r\n const passive = (doSupportPassiveEvents && options && options._passive) || false;\r\n const capture = (options && options._capture) || false;\r\n const once = (options && options._once) || false;\r\n const offListeners: (() => void)[] = [];\r\n const nativeOptions: AddEventListenerOptions | boolean = doSupportPassiveEvents\r\n ? {\r\n passive,\r\n capture,\r\n }\r\n : capture;\r\n\r\n each(splitEventNames(eventNames), (eventName) => {\r\n const finalListener = (once\r\n ? (evt: T) => {\r\n target.removeEventListener(eventName, finalListener, capture);\r\n listener && listener(evt);\r\n }\r\n : listener) as EventListener;\r\n\r\n push(offListeners, off.bind(null, target, eventName, finalListener, capture));\r\n target.addEventListener(eventName, finalListener, nativeOptions);\r\n });\r\n\r\n return runEach.bind(0, offListeners);\r\n};\r\n\r\n/**\r\n * Shorthand for the stopPropagation event Method.\r\n * @param evt The event of which the stopPropagation method shall be called.\r\n */\r\nexport const stopPropagation = (evt: Event): void => evt.stopPropagation();\r\n\r\n/**\r\n * Shorthand for the preventDefault event Method.\r\n * @param evt The event of which the preventDefault method shall be called.\r\n */\r\nexport const preventDefault = (evt: Event): void => evt.preventDefault();\r\n\r\n/**\r\n * Shorthand for the stopPropagation and preventDefault event Method.\r\n * @param evt The event of which the stopPropagation and preventDefault methods shall be called.\r\n */\r\nexport const stopAndPrevent = (evt: Event): void => (stopPropagation(evt) as undefined) || (preventDefault(evt) as undefined);\r\n","import { each } from 'support/utils/array';\r\nimport { WH, XY, TRBL } from 'support/dom';\r\nimport { PlainObject } from 'typings';\r\n\r\n/**\r\n * Compares two objects and returns true if all values of the passed prop names are identical, false otherwise or if one of the two object is falsy.\r\n * @param a Object a.\r\n * @param b Object b.\r\n * @param props The props which shall be compared.\r\n */\r\nexport const equal = (\r\n a: T | undefined,\r\n b: T | undefined,\r\n props: Array,\r\n propMutation?: ((value: any) => any) | null | false\r\n): boolean => {\r\n if (a && b) {\r\n let result = true;\r\n each(props, (prop) => {\r\n const compareA = propMutation ? propMutation(a[prop]) : a[prop];\r\n const compareB = propMutation ? propMutation(b[prop]) : b[prop];\r\n if (compareA !== compareB) {\r\n result = false;\r\n }\r\n });\r\n return result;\r\n }\r\n return false;\r\n};\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalWH = (a?: WH, b?: WH) => equal(a, b, ['w', 'h']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalXY = (a?: XY, b?: XY) => equal(a, b, ['x', 'y']);\r\n\r\n/**\r\n * Compares object a with object b and returns true if both have the same property values, false otherwise.\r\n * Also returns false if one of the objects is undefined or null.\r\n * @param a Object a.\r\n * @param b Object b.\r\n */\r\nexport const equalTRBL = (a?: TRBL, b?: TRBL) => equal(a, b, ['t', 'r', 'b', 'l']);\r\n\r\n/**\r\n * Compares two DOM Rects for their equality of their width and height properties\r\n * Also returns false if one of the DOM Rects is undefined or null.\r\n * @param a DOM Rect a.\r\n * @param b DOM Rect b.\r\n * @param round Whether the values should be rounded.\r\n */\r\nexport const equalBCRWH = (a?: DOMRect, b?: DOMRect, round?: boolean) =>\r\n equal(a, b, ['width', 'height'], round && ((value) => Math.round(value)));\r\n","import { isNumber, isFunction } from 'support/utils/types';\r\nimport { rAF, cAF } from 'support/compatibility/apis';\r\n\r\nconst setT = window.setTimeout;\r\nconst clearTimeouts = (id: number | undefined) => {\r\n id && window.clearTimeout(id);\r\n id && cAF!(id);\r\n};\r\n\r\ntype DebounceTiming = number | false | null | undefined;\r\n\r\nexport interface DebounceOptions any> {\r\n /**\r\n * The timeout for debouncing. If null, no debounce is applied.\r\n */\r\n _timeout?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * A maximum amount of ms. before the function will be called even with debounce.\r\n */\r\n _maxDelay?: DebounceTiming | (() => DebounceTiming);\r\n /**\r\n * Function which merges parameters for each canceled debounce.\r\n * If parameters can't be merged the function will return null, otherwise it returns the merged parameters.\r\n */\r\n _mergeParams?: (\r\n prev: Parameters,\r\n curr: Parameters\r\n ) => Parameters | false | null | undefined;\r\n}\r\n\r\nexport interface Debounced any> {\r\n (...args: Parameters): ReturnType;\r\n _flush(): void;\r\n}\r\n\r\nexport const noop = () => {}; // eslint-disable-line\r\n\r\n/**\r\n * Debounces the given function either with a timeout or a animation frame.\r\n * @param functionToDebounce The function which shall be debounced.\r\n * @param options Options for debouncing.\r\n */\r\nexport const debounce = any>(\r\n functionToDebounce: FunctionToDebounce,\r\n options: DebounceOptions\r\n): Debounced => {\r\n let timeoutId: number | undefined;\r\n let maxTimeoutId: number | undefined;\r\n let prevArguments: Parameters | null | undefined;\r\n let latestArguments: Parameters | null | undefined;\r\n const { _timeout, _maxDelay, _mergeParams } = options;\r\n\r\n const invokeFunctionToDebounce = function (args: IArguments) {\r\n clearTimeouts(timeoutId);\r\n clearTimeouts(maxTimeoutId);\r\n maxTimeoutId = timeoutId = prevArguments = undefined;\r\n // eslint-disable-next-line\r\n // @ts-ignore\r\n functionToDebounce.apply(this, args);\r\n };\r\n\r\n const mergeParms = (curr: Parameters): Parameters | false | null | undefined =>\r\n _mergeParams && prevArguments ? _mergeParams(prevArguments, curr) : curr;\r\n\r\n const flush = () => {\r\n if (timeoutId) {\r\n invokeFunctionToDebounce(mergeParms(latestArguments!) || latestArguments!);\r\n }\r\n };\r\n\r\n const debouncedFn = function () {\r\n const args: Parameters = arguments as Parameters;\r\n const finalTimeout = isFunction(_timeout) ? _timeout() : _timeout;\r\n const hasTimeout = isNumber(finalTimeout) && finalTimeout >= 0;\r\n\r\n if (hasTimeout) {\r\n const finalMaxWait = isFunction(_maxDelay) ? _maxDelay() : _maxDelay;\r\n const hasMaxWait = isNumber(finalMaxWait) && finalMaxWait >= 0;\r\n const setTimeoutFn = finalTimeout! > 0 ? setT : rAF!;\r\n const mergeParamsResult = mergeParms(args);\r\n const invokedArgs = mergeParamsResult || args;\r\n const boundInvoke = invokeFunctionToDebounce.bind(0, invokedArgs);\r\n\r\n if (!mergeParamsResult) {\r\n invokeFunctionToDebounce(prevArguments || args);\r\n }\r\n\r\n clearTimeouts(timeoutId);\r\n timeoutId = setTimeoutFn(boundInvoke, finalTimeout as number) as number;\r\n\r\n if (hasMaxWait && !maxTimeoutId) {\r\n maxTimeoutId = setT(flush, finalMaxWait as number);\r\n }\r\n\r\n prevArguments = latestArguments = invokedArgs;\r\n } else {\r\n invokeFunctionToDebounce(args);\r\n }\r\n };\r\n debouncedFn._flush = flush;\r\n\r\n return debouncedFn as Debounced;\r\n};\r\n","import { each, keys } from 'support/utils';\r\nimport { isString, isNumber, isArray, isUndefined } from 'support/utils/types';\r\nimport { PlainObject, StyleObject } from 'typings';\r\n\r\nexport interface TRBL {\r\n t: number;\r\n r: number;\r\n b: number;\r\n l: number;\r\n}\r\n\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 parseToZeroOrNumber = (value: string, toFloat?: boolean): number => {\r\n /* istanbul ignore next */\r\n const num = toFloat ? parseFloat(value) : parseInt(value, 10);\r\n /* istanbul ignore next */\r\n return Number.isNaN(num) ? 0 : num;\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[prop] || computedStyle.getPropertyValue(prop) : elm.style[prop];\r\nconst setCSSVal = (elm: HTMLElement | false | null | undefined, prop: string, val: string | number): void => {\r\n try {\r\n if (elm) {\r\n const { style } = elm;\r\n if (!isUndefined(style[prop])) {\r\n style[prop] = adaptCSSVal(prop, val);\r\n } else {\r\n style.setProperty(prop, val as string);\r\n }\r\n }\r\n } catch (e) {}\r\n};\r\n\r\n/**\r\n * Gets or sets the passed styles to the passed element.\r\n * @param elm The element to which the styles shall be applied to / be read from.\r\n * @param styles The styles which shall be set or read.\r\n */\r\nexport function style(elm: HTMLElement | false | null | undefined, styles: StyleObject): void;\r\nexport function style(elm: HTMLElement | false | null | undefined, styles: string): string;\r\nexport function style(elm: HTMLElement | false | null | undefined, styles: Array | string): { [key: string]: string };\r\nexport function style(\r\n elm: HTMLElement | false | null | undefined,\r\n styles: StyleObject | Array | string\r\n): { [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).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\n/**\r\n * Hides the passed element (display: none).\r\n * @param elm The element which shall be hidden.\r\n */\r\nexport const hide = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'none' });\r\n};\r\n\r\n/**\r\n * Shows the passed element (display: block).\r\n * @param elm The element which shall be shown.\r\n */\r\nexport const show = (elm: HTMLElement | false | null | undefined): void => {\r\n style(elm, { display: 'block' });\r\n};\r\n\r\n/**\r\n * Returns the top right bottom left values of the passed css property.\r\n * @param elm The element of which the values shall be returned.\r\n * @param propertyPrefix The css property prefix. (e.g. \"border\")\r\n * @param propertySuffix The css property suffix. (e.g. \"width\")\r\n */\r\nexport const topRightBottomLeft = (elm?: HTMLElement | false | null | undefined, propertyPrefix?: string, propertySuffix?: string): TRBL => {\r\n const finalPrefix = propertyPrefix ? `${propertyPrefix}-` : '';\r\n const finalSuffix = propertySuffix ? `-${propertySuffix}` : '';\r\n const top = `${finalPrefix}top${finalSuffix}`;\r\n const right = `${finalPrefix}right${finalSuffix}`;\r\n const bottom = `${finalPrefix}bottom${finalSuffix}`;\r\n const left = `${finalPrefix}left${finalSuffix}`;\r\n const result = style(elm, [top, right, bottom, left]);\r\n return {\r\n t: parseToZeroOrNumber(result[top]),\r\n r: parseToZeroOrNumber(result[right]),\r\n b: parseToZeroOrNumber(result[bottom]),\r\n l: parseToZeroOrNumber(result[left]),\r\n };\r\n};\r\n","import { getBoundingClientRect } from 'support/dom/dimensions';\r\n\r\nexport interface XY {\r\n x: T;\r\n y: T;\r\n}\r\n\r\nconst zeroObj: XY = {\r\n x: 0,\r\n y: 0,\r\n};\r\n\r\n/**\r\n * Returns the offset- left and top coordinates of the passed element relative to the document. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const absoluteCoordinates = (elm: HTMLElement | null | undefined): 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\n/**\r\n * Returns the offset- left and top coordinates of the passed element. If the element is null the top and left values are 0.\r\n * @param elm The element of which the offset- top and left coordinates shall be returned.\r\n */\r\nexport const offsetCoordinates = (elm: HTMLElement | null | undefined): XY =>\r\n elm\r\n ? {\r\n x: elm.offsetLeft,\r\n y: elm.offsetTop,\r\n }\r\n : zeroObj;\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, hasOwnProperty, keys, push, isEmptyObject } from 'support/utils';\r\nimport { type, isArray, isUndefined, isPlainObject, isString } from 'support/utils/types';\r\nimport { PlainObject } from 'typings';\r\n\r\nexport type OptionsObjectType = Record;\r\nexport type OptionsFunctionType = (this: unknown, ...args: unknown[]) => unknown;\r\nexport type OptionsTemplateType = ExtractPropsKey;\r\nexport type OptionsTemplateTypes = keyof OptionsTemplateTypeMap;\r\nexport type OptionsTemplateNativeTypes = OptionsTemplateTypeMap[keyof OptionsTemplateTypeMap];\r\n\r\nexport type OptionsTemplateValue = T extends string\r\n ? string extends T\r\n ? OptionsTemplateValueNonEnum\r\n : string\r\n : OptionsTemplateValueNonEnum;\r\n\r\nexport type OptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsTemplateValue\r\n : never;\r\n};\r\n\r\nexport type OptionsValidationResult = {\r\n readonly _foreign: Record;\r\n readonly _validated: PartialOptions;\r\n};\r\n\r\nexport type PartialOptions = {\r\n [P in keyof T]?: T[P] extends OptionsObjectType ? PartialOptions : T[P];\r\n};\r\n\r\ntype OptionsTemplateTypeMap = {\r\n __TPL_boolean_TYPE__: boolean;\r\n __TPL_number_TYPE__: number;\r\n __TPL_string_TYPE__: string;\r\n __TPL_array_TYPE__: Array | ReadonlyArray;\r\n __TPL_function_TYPE__: OptionsFunctionType;\r\n __TPL_null_TYPE__: null;\r\n __TPL_object_TYPE__: OptionsObjectType;\r\n};\r\n\r\ntype OptionsTemplateValueNonEnum =\r\n | OptionsTemplateType\r\n | [OptionsTemplateType, ...Array];\r\n\r\ntype ExtractPropsKey = {\r\n [P in keyof T]: TProps extends T[P] ? P : never;\r\n}[keyof T];\r\n\r\ntype OptionsTemplateTypesDictionary = {\r\n readonly boolean: OptionsTemplateType;\r\n readonly number: OptionsTemplateType;\r\n readonly string: OptionsTemplateType;\r\n readonly array: OptionsTemplateType>;\r\n readonly object: OptionsTemplateType;\r\n readonly function: OptionsTemplateType;\r\n readonly null: OptionsTemplateType;\r\n};\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/**\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 = (\r\n options: PartialOptions,\r\n template: OptionsTemplate,\r\n optionsDiff: T,\r\n doWriteErrors?: boolean,\r\n propPath?: string\r\n): OptionsValidationResult => {\r\n const validatedOptions: PartialOptions = {};\r\n const optionsCopy: PartialOptions = { ...options };\r\n const props = keys(template).filter((prop) => hasOwnProperty(options, prop));\r\n\r\n each(props, (prop: Extract) => {\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 = 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 T, optionsDiffValue, doWriteErrors, propPrefix + prop);\r\n validatedOptions[prop] = validatedResult._validated as any;\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 = [];\r\n const errorPossibleTypes: Array = [];\r\n const optionsValueType = type(optionsValue);\r\n const templateValueArr: Array = !isArray(templateValue)\r\n ? [templateValue as string | OptionsTemplateTypes]\r\n : (templateValue as Array);\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 let typeString: string | undefined;\r\n each(optionsTemplateTypes, (value: string, key: string) => {\r\n if (value === currTemplateType) {\r\n typeString = key;\r\n }\r\n });\r\n const isEnumString = isUndefined(typeString);\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 push(errorEnumStrings, enumStringSplit);\r\n } else {\r\n isValid = optionsTemplateTypes[optionsValueType] === currTemplateType;\r\n }\r\n\r\n // build error message\r\n push(errorPossibleTypes, isEnumString ? optionsTemplateTypes.string : typeString!);\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 validateOptions = (\r\n options: PartialOptions,\r\n template: OptionsTemplate,\r\n optionsDiff?: T | null,\r\n doWriteErrors?: boolean\r\n): OptionsValidationResult => {\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 || ({} as T), doWriteErrors || false);\r\n};\r\n\r\nexport { validateOptions, optionsTemplateTypes };\r\n","import {\r\n OptionsTemplate,\r\n OptionsObjectType,\r\n OptionsTemplateNativeTypes,\r\n OptionsTemplateTypes,\r\n OptionsTemplateValue,\r\n} from 'support/options/validation';\r\nimport { PlainObject } from 'typings';\r\nimport { isArray } from 'support/utils/types';\r\nimport { each, keys } from 'support/utils';\r\n\r\nexport interface OptionsWithOptionsTemplateTransformation {\r\n _template: OptionsTemplate;\r\n _options: T;\r\n}\r\n\r\nexport type OptionsWithOptionsTemplateValue = [T, OptionsTemplateValue];\r\n\r\nexport type OptionsWithOptionsTemplate = {\r\n [P in keyof T]: T[P] extends OptionsObjectType\r\n ? OptionsWithOptionsTemplate\r\n : T[P] extends OptionsTemplateNativeTypes\r\n ? OptionsWithOptionsTemplateValue\r\n : never;\r\n};\r\n\r\n/**\r\n * Transforms the given OptionsWithOptionsTemplate object to its corresponding generic (T) Object or its corresponding Template object.\r\n * @param optionsWithOptionsTemplate The OptionsWithOptionsTemplate object which shall be converted.\r\n * @param toTemplate True if the given OptionsWithOptionsTemplate shall be converted to its corresponding Template object.\r\n */\r\nexport const transformOptions = (optionsWithOptionsTemplate: OptionsWithOptionsTemplate): OptionsWithOptionsTemplateTransformation => {\r\n const result: any = {\r\n _template: {},\r\n _options: {},\r\n };\r\n\r\n each(keys(optionsWithOptionsTemplate), (key: Extract) => {\r\n const val: PlainObject | OptionsTemplateTypes | Array = optionsWithOptionsTemplate[key];\r\n\r\n if (isArray(val)) {\r\n result._template[key] = val[1];\r\n result._options[key] = val[0];\r\n } else {\r\n // if (isObject(val))\r\n const tmpResult = transformOptions(val as OptionsWithOptionsTemplate);\r\n result._template[key] = tmpResult._template;\r\n result._options[key] = tmpResult._options;\r\n }\r\n });\r\n\r\n return result;\r\n};\r\n","export const classNameEnvironment = 'os-environment';\r\nexport const classNameEnvironmentFlexboxGlue = `${classNameEnvironment}-flexbox-glue`;\r\nexport const classNameEnvironmentFlexboxGlueMax = `${classNameEnvironmentFlexboxGlue}-max`;\r\n\r\nexport const classNameHost = 'os-host';\r\nexport const classNamePadding = 'os-padding';\r\nexport const classNameViewport = 'os-viewport';\r\nexport const classNameViewportArrange = `${classNameViewport}-arrange`;\r\nexport const classNameContent = 'os-content';\r\nexport const classNameViewportScrollbarStyling = `${classNameViewport}-scrollbar-styled`;\r\n\r\nexport const classNameSizeObserver = 'os-size-observer';\r\nexport const classNameSizeObserverAppear = `${classNameSizeObserver}-appear`;\r\nexport const classNameSizeObserverListener = `${classNameSizeObserver}-listener`;\r\nexport const classNameSizeObserverListenerScroll = `${classNameSizeObserverListener}-scroll`;\r\nexport const classNameSizeObserverListenerItem = `${classNameSizeObserverListener}-item`;\r\nexport const classNameSizeObserverListenerItemFinal = `${classNameSizeObserverListenerItem}-final`;\r\n\r\nexport const classNameTrinsicObserver = 'os-trinsic-observer';\r\n","import {\r\n optionsTemplateTypes as oTypes,\r\n transformOptions,\r\n OptionsTemplateValue,\r\n OptionsWithOptionsTemplateValue,\r\n OptionsWithOptionsTemplate,\r\n} from 'support/options';\r\n\r\nexport type ResizeBehavior = 'none' | 'both' | 'horizontal' | 'vertical';\r\n\r\nexport type OverflowBehavior = 'hidden' | 'scroll' | 'visible' | 'visible-hidden';\r\n\r\nexport type VisibilityBehavior = 'visible' | 'hidden' | 'auto';\r\n\r\nexport type AutoHideBehavior = 'never' | 'scroll' | 'leave' | 'move';\r\n\r\nexport type ScrollBehavior = 'always' | 'ifneeded' | 'never';\r\n\r\nexport type BasicEventCallback = (this: any) => void;\r\n\r\nexport type ScrollEventCallback = (this: any, args?: UIEvent) => void;\r\n\r\nexport type OverflowChangedCallback = (this: any, args?: OverflowChangedArgs) => void;\r\n\r\nexport type OverflowAmountChangedCallback = (this: any, args?: OverflowAmountChangedArgs) => void;\r\n\r\nexport type DirectionChangedCallback = (this: any, args?: DirectionChangedArgs) => void;\r\n\r\nexport type SizeChangedCallback = (this: any, args?: SizeChangedArgs) => void;\r\n\r\nexport type UpdatedCallback = (this: any, args?: UpdatedArgs) => void;\r\n\r\nexport interface OSOptions {\r\n resize: ResizeBehavior;\r\n paddingAbsolute: boolean;\r\n updating: {\r\n elementEvents: Array<[string, string]> | null;\r\n attributes: string[] | null;\r\n debounce: number | [number, number] | null;\r\n };\r\n overflow: {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n };\r\n scrollbars: {\r\n visibility: VisibilityBehavior;\r\n autoHide: AutoHideBehavior;\r\n autoHideDelay: number;\r\n dragScroll: boolean;\r\n clickScroll: boolean;\r\n touch: boolean;\r\n };\r\n textarea: {\r\n dynWidth: boolean;\r\n dynHeight: boolean;\r\n inheritedAttrs: string | Array | null;\r\n };\r\n nativeScrollbarsOverlaid: {\r\n show: boolean;\r\n initialize: boolean;\r\n };\r\n callbacks: {\r\n onUpdated: (() => any) | null;\r\n };\r\n /*\r\n callbacks?: {\r\n onInitialized?: BasicEventCallback | null;\r\n onInitializationWithdrawn?: BasicEventCallback | null;\r\n onDestroyed?: BasicEventCallback | null;\r\n onScrollStart?: ScrollEventCallback | null;\r\n onScroll?: ScrollEventCallback | null;\r\n onScrollStop?: ScrollEventCallback | null;\r\n onOverflowChanged?: OverflowChangedCallback | null;\r\n onOverflowAmountChanged?: OverflowAmountChangedCallback | null;\r\n onDirectionChanged?: DirectionChangedCallback | null;\r\n onContentSizeChanged?: SizeChangedCallback | null;\r\n onHostSizeChanged?: SizeChangedCallback | null;\r\n onUpdated?: UpdatedCallback | null;\r\n };\r\n */\r\n}\r\n\r\nexport interface OverflowChangedArgs {\r\n x: boolean;\r\n y: boolean;\r\n xScrollable: boolean;\r\n yScrollable: boolean;\r\n clipped: boolean;\r\n}\r\n\r\nexport interface OverflowAmountChangedArgs {\r\n x: number;\r\n y: number;\r\n}\r\n\r\nexport interface DirectionChangedArgs {\r\n isRTL: number;\r\n dir: string;\r\n}\r\n\r\nexport interface SizeChangedArgs {\r\n width: number;\r\n height: number;\r\n}\r\n\r\nexport interface UpdatedArgs {\r\n forced: boolean;\r\n}\r\n\r\nconst numberAllowedValues: OptionsTemplateValue = oTypes.number;\r\nconst arrayNullValues: OptionsTemplateValue | null> = [oTypes.array, oTypes.null];\r\nconst stringArrayNullAllowedValues: OptionsTemplateValue | null> = [oTypes.string, oTypes.array, oTypes.null];\r\nconst booleanTrueTemplate: OptionsWithOptionsTemplateValue = [true, oTypes.boolean];\r\nconst booleanFalseTemplate: OptionsWithOptionsTemplateValue = [false, oTypes.boolean];\r\n// const callbackTemplate: OptionsWithOptionsTemplateValue = [null, [oTypes.function, oTypes.null]];\r\nconst resizeAllowedValues: OptionsTemplateValue = 'none both horizontal vertical';\r\nconst overflowAllowedValues: OptionsTemplateValue = 'hidden scroll visible visible-hidden';\r\nconst scrollbarsVisibilityAllowedValues: OptionsTemplateValue = 'visible hidden auto';\r\nconst scrollbarsAutoHideAllowedValues: OptionsTemplateValue = 'never scroll leavemove';\r\n\r\n/**\r\n * A object which serves as \"default options object\" and \"options template object\".\r\n * I combined these two into one object so that I don't have to define two separate big objects, instead I define one big object.\r\n *\r\n * The property value is a tuple:\r\n * the first value is the default value\r\n * the second value is the template value\r\n * Example:\r\n * {\r\n * a: ['default', [Type.string, Type.null]],\r\n * b: [250, Type.number]\r\n * }\r\n * Property \"a\" has a default value of 'default' and it can be a string or null\r\n * Property \"b\" has a default value of 250 and it can be number\r\n */\r\nconst defaultOptionsWithTemplate: OptionsWithOptionsTemplate = {\r\n resize: ['none', resizeAllowedValues], // none || both || horizontal || vertical || n || b || h || v\r\n paddingAbsolute: booleanFalseTemplate, // true || false\r\n updating: {\r\n elementEvents: [[['img', 'load']], arrayNullValues], // array of tuples || null\r\n attributes: [null, arrayNullValues],\r\n debounce: [\r\n [0, 33],\r\n [oTypes.number, oTypes.array, oTypes.null],\r\n ], // number || number array || null\r\n },\r\n overflow: {\r\n x: ['scroll', overflowAllowedValues], // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n y: ['scroll', overflowAllowedValues], // visible-hidden || visible-scroll || hidden || scroll || v-h || v-s || h || s\r\n },\r\n scrollbars: {\r\n visibility: ['auto', scrollbarsVisibilityAllowedValues], // visible || hidden || auto || v || h || a\r\n autoHide: ['never', scrollbarsAutoHideAllowedValues], // never || scroll || leave || move || n || s || l || m\r\n autoHideDelay: [800, numberAllowedValues], // number\r\n dragScroll: booleanTrueTemplate, // true || false\r\n clickScroll: booleanFalseTemplate, // true || false\r\n touch: booleanTrueTemplate, // true || false\r\n },\r\n textarea: {\r\n dynWidth: booleanFalseTemplate, // true || false\r\n dynHeight: booleanFalseTemplate, // true || false\r\n inheritedAttrs: [['style', 'class'], stringArrayNullAllowedValues], // string || array || null\r\n },\r\n nativeScrollbarsOverlaid: {\r\n show: booleanFalseTemplate, // true || false\r\n initialize: booleanFalseTemplate, // true || false\r\n },\r\n callbacks: {\r\n onUpdated: [null, [oTypes.function, oTypes.null]],\r\n },\r\n /*\r\n callbacks: {\r\n onInitialized: callbackTemplate, // null || function\r\n onInitializationWithdrawn: callbackTemplate, // null || function\r\n onDestroyed: callbackTemplate, // null || function\r\n onScrollStart: callbackTemplate, // null || function\r\n onScroll: callbackTemplate, // null || function\r\n onScrollStop: callbackTemplate, // null || function\r\n onOverflowChanged: callbackTemplate, // null || function\r\n onOverflowAmountChanged: callbackTemplate, // null || function\r\n onDirectionChanged: callbackTemplate, // null || function\r\n onContentSizeChanged: callbackTemplate, // null || function\r\n onHostSizeChanged: callbackTemplate, // null || function\r\n onUpdated: callbackTemplate, // null || function\r\n },\r\n */\r\n};\r\n\r\nexport const { _template: optionsTemplate, _options: defaultOptions } = transformOptions(defaultOptionsWithTemplate);\r\n","import {\r\n createDOM,\r\n addClass,\r\n style,\r\n appendChildren,\r\n clientSize,\r\n absoluteCoordinates,\r\n offsetSize,\r\n scrollLeft,\r\n XY,\r\n removeAttr,\r\n removeElements,\r\n windowSize,\r\n runEach,\r\n equalBCRWH,\r\n getBoundingClientRect,\r\n assignDeep,\r\n cssProperty,\r\n PartialOptions,\r\n} from 'support';\r\nimport {\r\n classNameEnvironment,\r\n classNameEnvironmentFlexboxGlue,\r\n classNameEnvironmentFlexboxGlueMax,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { OSOptions, defaultOptions } from 'options';\r\n\r\nexport interface InitializationStrategy {\r\n _padding: boolean;\r\n _content: boolean;\r\n}\r\n\r\nexport type OnEnvironmentChanged = (env: Environment) => void;\r\nexport interface Environment {\r\n _nativeScrollbarSize: XY;\r\n _nativeScrollbarIsOverlaid: XY;\r\n _nativeScrollbarStyling: boolean;\r\n _rtlScrollBehavior: { n: boolean; i: boolean };\r\n _flexboxGlue: boolean;\r\n _cssCustomProperties: boolean;\r\n _addListener(listener: OnEnvironmentChanged): void;\r\n _removeListener(listener: OnEnvironmentChanged): void;\r\n _getInitializationStrategy(): InitializationStrategy;\r\n _setInitializationStrategy(newInitializationStrategy: Partial): void;\r\n _getDefaultOptions(): OSOptions;\r\n _setDefaultOptions(newDefaultOptions: PartialOptions): void;\r\n _defaultInitializationStrategy: InitializationStrategy;\r\n _defaultDefaultOptions: OSOptions;\r\n}\r\n\r\nlet environmentInstance: Environment;\r\nconst { abs, round } = Math;\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\nconst getNativeScrollbarSize = (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 getNativeScrollbarStyling = (testElm: HTMLElement): boolean => {\r\n let result = false;\r\n addClass(testElm, classNameViewportScrollbarStyling);\r\n try {\r\n result =\r\n style(testElm, cssProperty('scrollbar-width')) === 'none' ||\r\n window.getComputedStyle(testElm, '::-webkit-scrollbar').getPropertyValue('display') === 'none';\r\n } catch (ex) {}\r\n\r\n return result;\r\n};\r\n\r\nconst getRtlScrollBehavior = (parentElm: HTMLElement, childElm: HTMLElement): { i: boolean; n: boolean } => {\r\n const strHidden = 'hidden';\r\n style(parentElm, { overflowX: strHidden, overflowY: strHidden, direction: 'rtl' });\r\n scrollLeft(parentElm, 0);\r\n\r\n const parentOffset = absoluteCoordinates(parentElm);\r\n const childOffset = absoluteCoordinates(childElm);\r\n scrollLeft(parentElm, -999); // https://github.com/KingSora/OverlayScrollbars/issues/187\r\n const childOffsetAfterScroll = absoluteCoordinates(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 getFlexboxGlue = (parentElm: HTMLElement, childElm: HTMLElement): boolean => {\r\n addClass(parentElm, classNameEnvironmentFlexboxGlue);\r\n const minOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const minOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMin = equalBCRWH(minOffsetsize, minOffsetsizeParent, true);\r\n\r\n addClass(parentElm, classNameEnvironmentFlexboxGlueMax);\r\n const maxOffsetsizeParent = getBoundingClientRect(parentElm);\r\n const maxOffsetsize = getBoundingClientRect(childElm);\r\n const supportsMax = equalBCRWH(maxOffsetsize, maxOffsetsizeParent, true);\r\n\r\n return supportsMin && supportsMax;\r\n};\r\n\r\nconst getWindowDPR = (): 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 getDefaultInitializationStrategy = (nativeScrollbarStyling: boolean): InitializationStrategy => ({\r\n _padding: !nativeScrollbarStyling,\r\n _content: false,\r\n});\r\n\r\nconst createEnvironment = (): Environment => {\r\n const { body } = document;\r\n const envDOM = createDOM(``);\r\n const envElm = envDOM[0] as HTMLElement;\r\n const envChildElm = envElm.firstChild as HTMLElement;\r\n const onChangedListener: Set = new Set();\r\n const nativeScrollbarSize = getNativeScrollbarSize(body, envElm);\r\n const nativeScrollbarStyling = getNativeScrollbarStyling(envElm);\r\n const nativeScrollbarIsOverlaid = {\r\n x: nativeScrollbarSize.x === 0,\r\n y: nativeScrollbarSize.y === 0,\r\n };\r\n const defaultInitializationStrategy = getDefaultInitializationStrategy(nativeScrollbarStyling);\r\n let initializationStrategy = defaultInitializationStrategy;\r\n let defaultDefaultOptions = defaultOptions;\r\n\r\n const env: Environment = {\r\n _nativeScrollbarSize: nativeScrollbarSize,\r\n _nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,\r\n _nativeScrollbarStyling: nativeScrollbarStyling,\r\n _cssCustomProperties: style(envElm, 'zIndex') === '-1',\r\n _rtlScrollBehavior: getRtlScrollBehavior(envElm, envChildElm),\r\n _flexboxGlue: getFlexboxGlue(envElm, envChildElm),\r\n _addListener(listener: OnEnvironmentChanged): void {\r\n onChangedListener.add(listener);\r\n },\r\n _removeListener(listener: OnEnvironmentChanged): void {\r\n onChangedListener.delete(listener);\r\n },\r\n _getInitializationStrategy: () => ({ ...initializationStrategy }),\r\n _setInitializationStrategy(newInitializationStrategy) {\r\n initializationStrategy = assignDeep({}, initializationStrategy, newInitializationStrategy);\r\n },\r\n _getDefaultOptions: () => ({ ...defaultDefaultOptions }),\r\n _setDefaultOptions(newDefaultOptions) {\r\n defaultDefaultOptions = assignDeep({}, defaultDefaultOptions, newDefaultOptions);\r\n },\r\n _defaultInitializationStrategy: defaultInitializationStrategy,\r\n _defaultDefaultOptions: defaultDefaultOptions,\r\n };\r\n\r\n removeAttr(envElm, 'style');\r\n removeElements(envElm);\r\n\r\n if (!nativeScrollbarStyling && (!nativeScrollbarIsOverlaid.x || !nativeScrollbarIsOverlaid.y)) {\r\n let size = windowSize();\r\n let dpr = getWindowDPR();\r\n let scrollbarSize = nativeScrollbarSize;\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 = getWindowDPR();\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 if (isZoom) {\r\n const newScrollbarSize = (environmentInstance._nativeScrollbarSize = getNativeScrollbarSize(body, envElm));\r\n removeElements(envElm);\r\n\r\n if (scrollbarSize.x !== newScrollbarSize.x || scrollbarSize.y !== newScrollbarSize.y) {\r\n runEach(onChangedListener);\r\n }\r\n\r\n scrollbarSize = newScrollbarSize;\r\n }\r\n\r\n size = sizeNew;\r\n dpr = dprNew;\r\n }\r\n });\r\n }\r\n\r\n return env;\r\n};\r\n\r\nexport const getEnvironment = (): Environment => {\r\n if (!environmentInstance) {\r\n environmentInstance = createEnvironment();\r\n }\r\n return environmentInstance;\r\n};\r\n","import {\r\n isHTMLElement,\r\n appendChildren,\r\n is,\r\n createDiv,\r\n contents,\r\n insertAfter,\r\n addClass,\r\n parent,\r\n isUndefined,\r\n removeElements,\r\n removeClass,\r\n push,\r\n runEach,\r\n insertBefore,\r\n attr,\r\n isBoolean,\r\n} from 'support';\r\nimport {\r\n classNameHost,\r\n classNamePadding,\r\n classNameViewport,\r\n classNameViewportArrange,\r\n classNameContent,\r\n classNameViewportScrollbarStyling,\r\n} from 'classnames';\r\nimport { getEnvironment } from 'environment';\r\nimport { OSTarget, OSTargetObject, OSTargetElement } from 'typings';\r\n\r\nexport interface OSTargetContext {\r\n _isTextarea: boolean;\r\n _isBody: boolean;\r\n _htmlElm: HTMLHtmlElement;\r\n _bodyElm: HTMLBodyElement;\r\n _windowElm: Window;\r\n _documentElm: HTMLDocument;\r\n}\r\n\r\nexport interface PreparedOSTargetObject {\r\n _target: OSTargetElement;\r\n _host: HTMLElement;\r\n _viewport: HTMLElement;\r\n _padding: HTMLElement | false | null;\r\n _content: HTMLElement | false | null;\r\n _viewportArrange: HTMLStyleElement | false | null;\r\n}\r\n\r\nexport interface StructureSetup {\r\n _targetObj: PreparedOSTargetObject;\r\n _targetCtx: OSTargetContext;\r\n _destroy: () => void;\r\n}\r\n\r\nconst unwrap = (elm: HTMLElement | false | null | undefined) => {\r\n appendChildren(parent(elm), contents(elm));\r\n removeElements(elm);\r\n};\r\n\r\nlet contentArrangeCounter = 0;\r\nconst createUniqueViewportArrangeElement = (): HTMLStyleElement => {\r\n const elm = document.createElement('style');\r\n\r\n attr(elm, 'id', `${classNameViewportArrange}-${contentArrangeCounter}`);\r\n contentArrangeCounter++;\r\n\r\n return elm;\r\n};\r\nconst evaluateCreationFromStrategy = (initializationValue: HTMLElement | boolean | undefined, strategy: boolean): HTMLElement | false | undefined => {\r\n const isBooleanValue = isBoolean(initializationValue);\r\n if (isBooleanValue || isUndefined(initializationValue)) {\r\n return (isBooleanValue ? initializationValue : strategy) && undefined;\r\n }\r\n return initializationValue as HTMLElement;\r\n};\r\n\r\nexport const createStructureSetup = (target: OSTarget | OSTargetObject): StructureSetup => {\r\n const { _getInitializationStrategy, _nativeScrollbarStyling, _nativeScrollbarIsOverlaid, _cssCustomProperties } = getEnvironment();\r\n const { _padding: paddingNeeded, _content: contentNeeded } = _getInitializationStrategy();\r\n const targetIsElm = isHTMLElement(target);\r\n const osTargetObj: Partial = targetIsElm\r\n ? ({} as Partial)\r\n : {\r\n _host: (target as OSTargetObject).host,\r\n _target: (target as OSTargetObject).target,\r\n _viewport: (target as OSTargetObject).viewport,\r\n _padding: evaluateCreationFromStrategy((target as OSTargetObject).padding, paddingNeeded),\r\n _content: evaluateCreationFromStrategy((target as OSTargetObject).content, contentNeeded),\r\n };\r\n\r\n if (targetIsElm) {\r\n const viewport = createDiv(classNameViewport);\r\n const padding = paddingNeeded && createDiv(classNamePadding);\r\n const content = contentNeeded && createDiv(classNameContent);\r\n\r\n osTargetObj._target = target as OSTargetElement;\r\n osTargetObj._padding = padding;\r\n osTargetObj._viewport = viewport;\r\n osTargetObj._content = content;\r\n }\r\n\r\n let { _target, _padding, _viewport, _content } = osTargetObj;\r\n const destroyFns: (() => any)[] = [];\r\n const isTextarea = is(_target, 'textarea');\r\n const isBody = !isTextarea && is(_target, 'body');\r\n const _host = (isTextarea ? osTargetObj._host || createDiv() : _target) as HTMLElement;\r\n const getTargetContents = (contentSlot: HTMLElement) => (isTextarea ? (_target as HTMLTextAreaElement) : contents(contentSlot as HTMLElement));\r\n const isTextareaHostGenerated = isTextarea && _host !== osTargetObj._host;\r\n\r\n // only insert host for textarea after target if it was generated\r\n if (isTextareaHostGenerated) {\r\n insertAfter(_target, _host);\r\n\r\n push(destroyFns, () => {\r\n insertAfter(_host, _target);\r\n removeElements(_host);\r\n });\r\n }\r\n\r\n if (targetIsElm) {\r\n const contentSlot = _content || _viewport;\r\n appendChildren(contentSlot, getTargetContents(_target!));\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n push(destroyFns, () => {\r\n appendChildren(_host, contents(contentSlot));\r\n removeElements(_padding || _viewport);\r\n removeClass(_host, classNameHost);\r\n });\r\n } else {\r\n const contentContainingElm = _content || _viewport || _padding || _host;\r\n const createPadding = isUndefined(_padding);\r\n const createViewport = isUndefined(_viewport);\r\n const createContent = isUndefined(_content);\r\n const targetContents = getTargetContents(contentContainingElm);\r\n\r\n _padding = osTargetObj._padding = createPadding ? createDiv() : _padding;\r\n _viewport = osTargetObj._viewport = createViewport ? createDiv() : _viewport;\r\n _content = osTargetObj._content = createContent ? createDiv() : _content;\r\n\r\n appendChildren(_host, _padding);\r\n appendChildren(_padding || _host, _viewport);\r\n appendChildren(_viewport, _content);\r\n\r\n const contentSlot = _content || _viewport;\r\n appendChildren(contentSlot, targetContents);\r\n\r\n push(destroyFns, () => {\r\n if (createContent) {\r\n unwrap(_content);\r\n }\r\n if (createViewport) {\r\n unwrap(_viewport);\r\n }\r\n if (createPadding) {\r\n unwrap(_padding);\r\n }\r\n removeClass(_host, classNameHost);\r\n removeClass(_padding, classNamePadding);\r\n removeClass(_viewport, classNameViewport);\r\n removeClass(_content, classNameContent);\r\n });\r\n }\r\n\r\n addClass(_host, classNameHost);\r\n addClass(_padding, classNamePadding);\r\n addClass(_viewport, classNameViewport);\r\n addClass(_content, classNameContent);\r\n\r\n const ownerDocument: HTMLDocument = _target!.ownerDocument;\r\n const bodyElm = ownerDocument.body as HTMLBodyElement;\r\n const wnd = ownerDocument.defaultView as Window;\r\n const ctx: OSTargetContext = {\r\n _windowElm: wnd,\r\n _documentElm: ownerDocument,\r\n _htmlElm: parent(bodyElm) as HTMLHtmlElement,\r\n _bodyElm: bodyElm,\r\n _isTextarea: isTextarea,\r\n _isBody: isBody,\r\n };\r\n // @ts-ignore\r\n const obj: PreparedOSTargetObject = {\r\n ...osTargetObj,\r\n _host,\r\n };\r\n\r\n if (_nativeScrollbarStyling) {\r\n push(destroyFns, removeClass.bind(0, _viewport, classNameViewportScrollbarStyling));\r\n } else if (!_cssCustomProperties && (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y)) {\r\n const viewportArrangeElm = createUniqueViewportArrangeElement();\r\n\r\n insertBefore(_viewport, viewportArrangeElm);\r\n push(destroyFns, removeElements.bind(0, viewportArrangeElm));\r\n\r\n obj._viewportArrange = viewportArrangeElm;\r\n }\r\n\r\n return {\r\n _targetObj: obj,\r\n _targetCtx: ctx,\r\n _destroy: () => {\r\n runEach(destroyFns);\r\n },\r\n };\r\n};\r\n","import {\r\n Cache,\r\n CacheValues,\r\n createCache,\r\n createDOM,\r\n style,\r\n appendChildren,\r\n offsetSize,\r\n scrollLeft,\r\n scrollTop,\r\n runEach,\r\n prependChildren,\r\n removeElements,\r\n on,\r\n stopAndPrevent,\r\n addClass,\r\n equalWH,\r\n push,\r\n cAF,\r\n rAF,\r\n ResizeObserverConstructor,\r\n isArray,\r\n isBoolean,\r\n removeClass,\r\n} from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport {\r\n classNameSizeObserver,\r\n classNameSizeObserverAppear,\r\n classNameSizeObserverListener,\r\n classNameSizeObserverListenerScroll,\r\n classNameSizeObserverListenerItem,\r\n classNameSizeObserverListenerItemFinal,\r\n} from 'classnames';\r\n\r\nexport interface SizeObserverOptions {\r\n _direction?: boolean;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserverCallbackParams {\r\n _sizeChanged: boolean;\r\n _directionIsRTLCache?: CacheValues;\r\n _appear?: boolean;\r\n}\r\n\r\nexport interface SizeObserver {\r\n _destroy(): void;\r\n _getCurrentCacheValues(\r\n force?: boolean\r\n ): {\r\n _directionIsRTL: CacheValues;\r\n };\r\n}\r\n\r\n/*\r\nconst directionIsRTLMap = {\r\n direction: ['rtl'],\r\n 'writing-mode': ['sideways-rl', 'tb', 'tb-rl', 'vertical-rl'],\r\n};\r\nconst directionIsRTL = (elm: HTMLElement): boolean => {\r\n let isRTL = false;\r\n const styles = style(elm, ['direction', 'writing-mode']);\r\n each(styles, (value, key) => {\r\n isRTL = isRTL || indexOf(directionIsRTLMap[key], value) > -1;\r\n });\r\n return isRTL;\r\n};\r\n*/\r\nconst animationStartEventName = 'animationstart';\r\nconst scrollEventName = 'scroll';\r\nconst scrollAmount = 3333333;\r\nconst directionIsRTL = (elm: HTMLElement): boolean => style(elm, 'direction') === 'rtl';\r\nconst domRectHasDimensions = (rect?: DOMRectReadOnly) => rect && (rect.height || rect.width);\r\n\r\n/**\r\n * Creates a size observer which observes any size, padding, border, margin and box-sizing changes of the target element. Depending on the options also direction and appear can be observed.\r\n * @param target The target element which shall be observed.\r\n * @param onSizeChangedCallback The callback which gets called after a size change was detected.\r\n * @param options The options for size detection, whether to observe also direction and appear.\r\n * @returns A object which represents the instance of the size observer.\r\n */\r\nexport const createSizeObserver = (\r\n target: HTMLElement,\r\n onSizeChangedCallback: (params: SizeObserverCallbackParams) => any,\r\n options?: SizeObserverOptions\r\n): SizeObserver => {\r\n const { _direction: observeDirectionChange = false, _appear: observeAppearChange = false } = options || {};\r\n const { _rtlScrollBehavior: rtlScrollBehavior } = getEnvironment();\r\n const baseElements = createDOM(``);\r\n const sizeObserver = baseElements[0] as HTMLElement;\r\n const listenerElement = sizeObserver.firstChild as HTMLElement;\r\n const { _update: updateResizeObserverContentRectCache } = createCache(0, {\r\n _alwaysUpdateValues: true,\r\n _equal: (currVal, newVal) =>\r\n !(\r\n !currVal || // if no initial value\r\n // if from display: none to display: block\r\n (!domRectHasDimensions(currVal) && domRectHasDimensions(newVal))\r\n ),\r\n });\r\n const onSizeChangedCallbackProxy = (sizeChangedContext?: CacheValues | ResizeObserverEntry[] | Event | boolean) => {\r\n const hasDirectionCache = sizeChangedContext && isBoolean((sizeChangedContext as CacheValues)._value);\r\n\r\n let skip = false;\r\n let appear: boolean | number | undefined = false;\r\n let doDirectionScroll = true; // always true if sizeChangedContext is Event (appear callback or RO. Polyfill)\r\n\r\n // if triggered from RO.\r\n if (isArray(sizeChangedContext) && sizeChangedContext.length > 0) {\r\n const { _previous, _value } = updateResizeObserverContentRectCache(0, sizeChangedContext.pop()!.contentRect);\r\n const hasDimensions = domRectHasDimensions(_value);\r\n const hadDimensions = domRectHasDimensions(_previous);\r\n skip = !_previous || !hasDimensions; // skip on initial RO. call or if display is none\r\n appear = !hadDimensions && hasDimensions;\r\n\r\n doDirectionScroll = !skip; // direction scroll when not skipping\r\n }\r\n // else if its triggered with DirectionCache\r\n else if (hasDirectionCache) {\r\n doDirectionScroll = (sizeChangedContext as CacheValues)._changed; // direction scroll when DirectionCache changed, false otherwise\r\n }\r\n // else if it triggered with appear from polyfill\r\n else {\r\n appear = sizeChangedContext === true;\r\n }\r\n\r\n if (observeDirectionChange && doDirectionScroll) {\r\n const rtl = hasDirectionCache ? (sizeChangedContext as CacheValues)._value : directionIsRTL(sizeObserver);\r\n scrollLeft(sizeObserver, rtl ? (rtlScrollBehavior.n ? -scrollAmount : rtlScrollBehavior.i ? 0 : scrollAmount) : scrollAmount);\r\n scrollTop(sizeObserver, scrollAmount);\r\n }\r\n\r\n if (!skip) {\r\n onSizeChangedCallback({\r\n _sizeChanged: !hasDirectionCache,\r\n _directionIsRTLCache: hasDirectionCache ? (sizeChangedContext as CacheValues) : undefined,\r\n _appear: !!appear,\r\n });\r\n }\r\n };\r\n const offListeners: (() => void)[] = [];\r\n let appearCallback: ((...args: any) => any) | false = observeAppearChange ? onSizeChangedCallbackProxy : false;\r\n let directionIsRTLCache: Cache | undefined;\r\n\r\n if (ResizeObserverConstructor) {\r\n const resizeObserverInstance = new ResizeObserverConstructor(onSizeChangedCallbackProxy);\r\n resizeObserverInstance.observe(listenerElement);\r\n push(offListeners, () => resizeObserverInstance.disconnect());\r\n } else {\r\n const observerElementChildren = createDOM(\r\n ``\r\n );\r\n appendChildren(listenerElement, observerElementChildren);\r\n addClass(listenerElement, classNameSizeObserverListenerScroll);\r\n const observerElementChildrenRoot = observerElementChildren[0] as HTMLElement;\r\n const shrinkElement = observerElementChildrenRoot.lastChild as HTMLElement;\r\n const expandElement = observerElementChildrenRoot.firstChild as HTMLElement;\r\n const expandElementChild = expandElement?.firstChild as HTMLElement;\r\n\r\n let cacheSize = offsetSize(observerElementChildrenRoot);\r\n let currSize = cacheSize;\r\n let isDirty = false;\r\n let rAFId: number;\r\n\r\n const reset = () => {\r\n scrollLeft(expandElement, scrollAmount);\r\n scrollTop(expandElement, scrollAmount);\r\n scrollLeft(shrinkElement, scrollAmount);\r\n scrollTop(shrinkElement, scrollAmount);\r\n };\r\n const onResized = (appear?: unknown) => {\r\n rAFId = 0;\r\n if (isDirty) {\r\n cacheSize = currSize;\r\n onSizeChangedCallbackProxy(appear === true);\r\n }\r\n };\r\n const onScroll = (scrollEvent?: Event | false) => {\r\n currSize = offsetSize(observerElementChildrenRoot);\r\n isDirty = !scrollEvent || !equalWH(currSize, cacheSize);\r\n\r\n if (scrollEvent) {\r\n stopAndPrevent(scrollEvent);\r\n\r\n if (isDirty && !rAFId) {\r\n cAF!(rAFId);\r\n rAFId = rAF!(onResized);\r\n }\r\n } else {\r\n onResized(scrollEvent === false);\r\n }\r\n\r\n reset();\r\n };\r\n\r\n push(offListeners, [on(expandElement, scrollEventName, onScroll), on(shrinkElement, scrollEventName, onScroll)]);\r\n\r\n // lets assume that the divs will never be that large and a constant value is enough\r\n style(expandElementChild, {\r\n width: scrollAmount,\r\n height: scrollAmount,\r\n });\r\n\r\n reset();\r\n\r\n appearCallback = observeAppearChange ? onScroll.bind(0, false) : reset;\r\n }\r\n\r\n if (observeDirectionChange) {\r\n directionIsRTLCache = createCache(directionIsRTL.bind(0, sizeObserver));\r\n const { _update: updateDirectionIsRTLCache } = directionIsRTLCache;\r\n push(\r\n offListeners,\r\n on(sizeObserver, scrollEventName, (event: Event) => {\r\n const directionIsRTLCacheValues = updateDirectionIsRTLCache();\r\n console.log;\r\n const { _value, _changed } = directionIsRTLCacheValues;\r\n if (_changed) {\r\n removeClass(listenerElement, 'ltr rtl');\r\n if (_value) {\r\n addClass(listenerElement, 'rtl');\r\n } else {\r\n addClass(listenerElement, 'ltr');\r\n }\r\n onSizeChangedCallbackProxy(directionIsRTLCacheValues);\r\n }\r\n\r\n stopAndPrevent(event);\r\n })\r\n );\r\n }\r\n\r\n // appearCallback is always needed on scroll-observer strategy to reset it\r\n if (appearCallback) {\r\n addClass(sizeObserver, classNameSizeObserverAppear);\r\n push(\r\n offListeners,\r\n on(sizeObserver, animationStartEventName, appearCallback, {\r\n // Fire only once for \"CSS is ready\" event if ResizeObserver strategy is used\r\n _once: !!ResizeObserverConstructor,\r\n })\r\n );\r\n }\r\n\r\n prependChildren(target, sizeObserver);\r\n\r\n return {\r\n _destroy() {\r\n runEach(offListeners);\r\n removeElements(sizeObserver);\r\n },\r\n _getCurrentCacheValues(force?: boolean) {\r\n return {\r\n _directionIsRTL: directionIsRTLCache\r\n ? directionIsRTLCache._current(force)\r\n : {\r\n _value: false,\r\n _previous: false,\r\n _changed: false,\r\n },\r\n };\r\n },\r\n };\r\n};\r\n","import {\r\n WH,\r\n CacheValues,\r\n createDiv,\r\n offsetSize,\r\n runEach,\r\n prependChildren,\r\n removeElements,\r\n createCache,\r\n push,\r\n IntersectionObserverConstructor,\r\n} from 'support';\r\nimport { createSizeObserver } from 'observers/sizeObserver';\r\nimport { classNameTrinsicObserver } from 'classnames';\r\n\r\nexport interface TrinsicObserver {\r\n _destroy(): void;\r\n _getCurrentCacheValues(\r\n force?: boolean\r\n ): {\r\n _heightIntrinsic: CacheValues;\r\n };\r\n}\r\n\r\n/**\r\n * Creates a trinsic observer which observes changes to intrinsic or extrinsic sizing for the height of the target element.\r\n * @param target The element which shall be observed.\r\n * @param onTrinsicChangedCallback The callback which gets called after a change was detected.\r\n * @returns A object which represents the instance of the trinsic observer.\r\n */\r\nexport const createTrinsicObserver = (\r\n target: HTMLElement,\r\n onTrinsicChangedCallback: (heightIntrinsic: CacheValues) => any\r\n): TrinsicObserver => {\r\n const trinsicObserver = createDiv(classNameTrinsicObserver);\r\n const offListeners: (() => void)[] = [];\r\n const { _update: updateHeightIntrinsicCache, _current: getCurrentHeightIntrinsicCache } = createCache<\r\n boolean,\r\n IntersectionObserverEntry | WH\r\n >(\r\n (ioEntryOrSize: IntersectionObserverEntry | WH) =>\r\n (ioEntryOrSize! as WH).h === 0 ||\r\n (ioEntryOrSize! as IntersectionObserverEntry).isIntersecting ||\r\n (ioEntryOrSize! as IntersectionObserverEntry).intersectionRatio > 0,\r\n {\r\n _initialValue: false,\r\n }\r\n );\r\n\r\n if (IntersectionObserverConstructor) {\r\n const intersectionObserverInstance: IntersectionObserver = new IntersectionObserverConstructor(\r\n (entries: IntersectionObserverEntry[]) => {\r\n if (entries && entries.length > 0) {\r\n const last = entries.pop();\r\n if (last) {\r\n const heightIntrinsic = updateHeightIntrinsicCache(0, last);\r\n\r\n if (heightIntrinsic._changed) {\r\n onTrinsicChangedCallback(heightIntrinsic);\r\n }\r\n }\r\n }\r\n },\r\n { root: target }\r\n );\r\n intersectionObserverInstance.observe(trinsicObserver);\r\n push(offListeners, () => intersectionObserverInstance.disconnect());\r\n } else {\r\n const onSizeChanged = () => {\r\n const newSize = offsetSize(trinsicObserver);\r\n const heightIntrinsicCache = updateHeightIntrinsicCache(0, newSize);\r\n if (heightIntrinsicCache._changed) {\r\n onTrinsicChangedCallback(heightIntrinsicCache);\r\n }\r\n };\r\n push(offListeners, createSizeObserver(trinsicObserver, onSizeChanged)._destroy);\r\n onSizeChanged();\r\n }\r\n\r\n prependChildren(target, trinsicObserver);\r\n\r\n return {\r\n _destroy() {\r\n runEach(offListeners);\r\n removeElements(trinsicObserver);\r\n },\r\n _getCurrentCacheValues(force?: boolean) {\r\n return {\r\n _heightIntrinsic: getCurrentHeightIntrinsicCache(force),\r\n };\r\n },\r\n };\r\n};\r\n","import {\r\n each,\r\n noop,\r\n debounce,\r\n indexOf,\r\n isString,\r\n MutationObserverConstructor,\r\n isEmptyArray,\r\n on,\r\n off,\r\n attr,\r\n is,\r\n find,\r\n push,\r\n isUndefined,\r\n} from 'support';\r\n\r\ntype StringNullUndefined = string | null | undefined;\r\n\r\ntype DOMContentObserverCallback = (contentChangedTroughEvent: boolean) => any;\r\n\r\ntype DOMTargetObserverCallback = (targetChangedAttrs: string[], targetStyleChanged: boolean) => any;\r\n\r\ninterface DOMObserverOptionsBase {\r\n _attributes?: string[];\r\n _styleChangingAttributes?: string[];\r\n}\r\n\r\ninterface DOMContentObserverOptions extends DOMObserverOptionsBase {\r\n _eventContentChange?: DOMObserverEventContentChange; // [selector, eventname(s) | function returning eventname(s)] -> eventnames divided by whitespaces\r\n _nestedTargetSelector?: string;\r\n _ignoreContentChange?: DOMObserverIgnoreContentChange; // function which will prevent marking certain dom changes as content change if it returns true\r\n _ignoreNestedTargetChange?: DOMObserverIgnoreTargetChange; // a function which will prevent marking certain attributes as changed on nested targets if it returns true\r\n}\r\n\r\ninterface DOMTargetObserverOptions extends DOMObserverOptionsBase {\r\n _ignoreTargetChange?: DOMObserverIgnoreTargetChange; // a function which will prevent marking certain attributes as changed if it returns true\r\n}\r\n\r\ntype ContentChangeArrayItem = [StringNullUndefined, StringNullUndefined] | null | undefined;\r\n\r\nexport type DOMObserverEventContentChange = Array | false | null | undefined;\r\n\r\nexport type DOMObserverIgnoreContentChange = (\r\n mutation: MutationRecord,\r\n isNestedTarget: boolean,\r\n domObserverTarget: HTMLElement,\r\n domObserverOptions?: DOMContentObserverOptions\r\n) => boolean;\r\n\r\nexport type DOMObserverIgnoreTargetChange = (\r\n target: Node,\r\n attributeName: string,\r\n oldAttributeValue: string | null,\r\n newAttributeValue: string | null\r\n) => boolean;\r\n\r\nexport type DOMObserverCallback = ContentObserver extends true\r\n ? DOMContentObserverCallback\r\n : DOMTargetObserverCallback;\r\n\r\nexport type DOMObserverOptions = ContentObserver extends true ? DOMContentObserverOptions : DOMTargetObserverOptions;\r\n\r\nexport interface DOMObserver {\r\n _destroy: () => void;\r\n _update: () => void;\r\n}\r\n\r\n/**\r\n * Creates a set of helper functions to observe events of elements inside the target element.\r\n * @param target The target element of which the children elements shall be observed. (not only direct children but also nested ones)\r\n * @param eventContentChange The event content change array. (array of tuples: selector and eventname(s))\r\n * @param callback Callback which is called if one of the elements emits the corresponding event.\r\n * @returns A object which contains a set of helper functions to destroy and update the observation of elements.\r\n */\r\nconst createEventContentChange = (target: Element, eventContentChange: DOMObserverEventContentChange, callback: (...args: any) => any) => {\r\n let map: Map | undefined;\r\n const _destroy = () => {\r\n if (map) {\r\n map.forEach((eventName: string, elm: Node) => off(elm, eventName, callback));\r\n map.clear();\r\n }\r\n };\r\n const _updateElements = (getElements?: (selector: string) => Node[]) => {\r\n if (map && eventContentChange) {\r\n const eventElmList = eventContentChange.reduce>((arr, item) => {\r\n if (item) {\r\n const selector = item[0];\r\n const eventNames = item[1];\r\n const elements = eventNames && selector && (getElements ? getElements(selector) : find(selector, target));\r\n\r\n if (elements && elements.length && eventNames && isString(eventNames)) {\r\n push(arr, [elements, eventNames.trim()], true);\r\n }\r\n }\r\n return arr;\r\n }, []);\r\n\r\n each(eventElmList, (item) =>\r\n each(item[0], (elm) => {\r\n const eventNames = item[1];\r\n const registredEventNames = map!.get(elm);\r\n const newEntry = isUndefined(registredEventNames);\r\n const changingExistingEntry = !newEntry && eventNames !== registredEventNames;\r\n const finalEventNames = changingExistingEntry ? `${registredEventNames} ${eventNames}` : eventNames;\r\n\r\n if (changingExistingEntry) {\r\n off(elm, registredEventNames!, callback);\r\n }\r\n\r\n map!.set(elm, finalEventNames);\r\n on(elm, finalEventNames, callback);\r\n })\r\n );\r\n }\r\n };\r\n\r\n if (eventContentChange) {\r\n map = map || new Map();\r\n _destroy();\r\n _updateElements();\r\n }\r\n\r\n return {\r\n _destroy,\r\n _updateElements,\r\n };\r\n};\r\n\r\n/**\r\n * Creates a DOM observer which observes DOM changes to either the target element or its children.\r\n * @param target The element which shall be observed.\r\n * @param isContentObserver Whether this observer is just observing the target or just the targets children. (not only direct children but also nested ones)\r\n * @param callback The callback which gets called if a change was detected.\r\n * @param options The options for DOM change detection.\r\n * @returns A object which represents the instance of the DOM observer.\r\n */\r\nexport const createDOMObserver = (\r\n target: HTMLElement,\r\n isContentObserver: ContentObserver,\r\n callback: DOMObserverCallback,\r\n options?: DOMObserverOptions\r\n): DOMObserver => {\r\n let isConnected = false;\r\n const {\r\n _attributes,\r\n _styleChangingAttributes,\r\n _eventContentChange,\r\n _nestedTargetSelector,\r\n _ignoreTargetChange,\r\n _ignoreNestedTargetChange,\r\n _ignoreContentChange,\r\n } = (options as DOMContentObserverOptions & DOMTargetObserverOptions) || {};\r\n const { _destroy: destroyEventContentChange, _updateElements: updateEventContentChangeElements } = createEventContentChange(\r\n target,\r\n isContentObserver && _eventContentChange,\r\n debounce(\r\n () => {\r\n if (isConnected) {\r\n (callback as DOMContentObserverCallback)(true);\r\n }\r\n },\r\n { _timeout: 33, _maxDelay: 99 }\r\n )\r\n );\r\n\r\n // MutationObserver\r\n const finalAttributes = _attributes || [];\r\n const finalStyleChangingAttributes = _styleChangingAttributes || [];\r\n const observedAttributes = finalAttributes.concat(finalStyleChangingAttributes);\r\n const observerCallback = (mutations: MutationRecord[]) => {\r\n const ignoreTargetChange = (isContentObserver ? _ignoreNestedTargetChange : _ignoreTargetChange) || noop;\r\n const ignoreContentChange = _ignoreContentChange || noop;\r\n const targetChangedAttrs: string[] = [];\r\n const totalAddedNodes: Node[] = [];\r\n let targetStyleChanged = false;\r\n let contentChanged = false;\r\n let childListChanged = false;\r\n each(mutations, (mutation) => {\r\n const { attributeName, target: mutationTarget, type, oldValue, addedNodes } = mutation;\r\n const isAttributesType = type === 'attributes';\r\n const isChildListType = type === 'childList';\r\n const targetIsMutationTarget = target === mutationTarget;\r\n const attributeValue = isAttributesType && isString(attributeName) ? attr(mutationTarget as HTMLElement, attributeName!) : 0;\r\n const attributeChanged = attributeValue !== 0 && oldValue !== attributeValue;\r\n const styleChangingAttrChanged = indexOf(finalStyleChangingAttributes, attributeName) > -1 && attributeChanged;\r\n\r\n // if is content observer and something changed in children\r\n if (isContentObserver && !targetIsMutationTarget) {\r\n const notOnlyAttrChanged = !isAttributesType;\r\n const contentAttrChanged = isAttributesType && styleChangingAttrChanged;\r\n const isNestedTarget = contentAttrChanged && _nestedTargetSelector && is(mutationTarget, _nestedTargetSelector);\r\n const baseAssertion = isNestedTarget\r\n ? !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue as string | null)\r\n : notOnlyAttrChanged || contentAttrChanged;\r\n const contentFinalChanged = baseAssertion && !ignoreContentChange(mutation, !!isNestedTarget, target, options);\r\n\r\n push(totalAddedNodes, addedNodes);\r\n\r\n contentChanged = contentChanged || contentFinalChanged;\r\n childListChanged = childListChanged || isChildListType;\r\n }\r\n // if is target observer and target attr changed\r\n if (\r\n !isContentObserver &&\r\n targetIsMutationTarget &&\r\n attributeChanged &&\r\n !ignoreTargetChange(mutationTarget, attributeName!, oldValue, attributeValue as string | null)\r\n ) {\r\n push(targetChangedAttrs, attributeName!);\r\n targetStyleChanged = targetStyleChanged || styleChangingAttrChanged;\r\n }\r\n });\r\n\r\n if (childListChanged && !isEmptyArray(totalAddedNodes)) {\r\n // adds / removes the new elements from the event content change\r\n updateEventContentChangeElements((selector) =>\r\n totalAddedNodes.reduce((arr, node) => {\r\n push(arr, find(selector, node));\r\n return is(node, selector) ? push(arr, node) : arr;\r\n }, [])\r\n );\r\n }\r\n\r\n if (isContentObserver) {\r\n contentChanged && (callback as DOMContentObserverCallback)(false);\r\n } else if (!isEmptyArray(targetChangedAttrs) || targetStyleChanged) {\r\n (callback as DOMTargetObserverCallback)(targetChangedAttrs, targetStyleChanged);\r\n }\r\n };\r\n const mutationObserver: MutationObserver = new MutationObserverConstructor!(observerCallback);\r\n\r\n // Connect\r\n mutationObserver.observe(target, {\r\n attributes: true,\r\n attributeOldValue: true,\r\n attributeFilter: observedAttributes,\r\n subtree: isContentObserver,\r\n childList: isContentObserver,\r\n characterData: isContentObserver,\r\n });\r\n isConnected = true;\r\n\r\n return {\r\n _destroy: () => {\r\n if (isConnected) {\r\n destroyEventContentChange();\r\n mutationObserver.disconnect();\r\n isConnected = false;\r\n }\r\n },\r\n _update: () => {\r\n if (isConnected) {\r\n observerCallback(mutationObserver.takeRecords());\r\n }\r\n },\r\n };\r\n};\r\n","import { CacheValues, diffClass, debounce, isArray, isNumber } from 'support';\r\nimport { getEnvironment } from 'environment';\r\nimport { createSizeObserver, SizeObserverCallbackParams } from 'observers/sizeObserver';\r\nimport { createTrinsicObserver } from 'observers/trinsicObserver';\r\nimport { createDOMObserver, DOMObserver } from 'observers/domObserver';\r\nimport { LifecycleHub, LifecycleCheckOption, LifecycleUpdateHints } from 'lifecycles/lifecycleHub';\r\n\r\n//const hostSelector = `.${classNameHost}`;\r\n\r\n// TODO: observer textarea attrs if textarea\r\n// TODO: tabindex, etc. attributes for viewport\r\n// TODO: test _ignoreContentChange & _ignoreNestedTargetChange for content dom observer\r\n// TODO: test _ignoreTargetChange for target dom observer\r\n\r\n//const viewportSelector = `.${classNameViewport}`;\r\n//const contentSelector = `.${classNameContent}`;\r\nconst ignorePrefix = 'os-';\r\nconst viewportAttrsFromTarget = ['tabindex'];\r\nconst baseStyleChangingAttrsTextarea = ['wrap', 'cols', 'rows'];\r\nconst baseStyleChangingAttrs = ['id', 'class', 'style', 'open'];\r\n\r\nconst ignoreTargetChange = (target: Node, attrName: string, oldValue: string | null, newValue: string | null) => {\r\n if (attrName === 'class' && oldValue && newValue) {\r\n const diff = diffClass(oldValue, newValue);\r\n return !!diff.find((addedOrRemovedClass) => addedOrRemovedClass.indexOf(ignorePrefix) !== 0);\r\n }\r\n return false;\r\n};\r\n\r\nexport const lifecycleHubOservers = (instance: LifecycleHub, updateLifecycles: (updateHints?: Partial | null) => unknown) => {\r\n let debounceTimeout: number | false | undefined;\r\n let debounceMaxDelay: number | false | undefined;\r\n const { _structureSetup } = instance;\r\n const { _targetObj, _targetCtx } = _structureSetup;\r\n const { _host, _viewport, _content } = _targetObj;\r\n const { _isTextarea } = _targetCtx;\r\n const { _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const contentMutationObserverAttr = _isTextarea ? baseStyleChangingAttrsTextarea : baseStyleChangingAttrs.concat(baseStyleChangingAttrsTextarea);\r\n const updateLifecyclesWithDebouncedAdaptiveUpdateHints = debounce(updateLifecycles as (updateHints: Partial) => any, {\r\n _timeout: () => debounceTimeout,\r\n _maxDelay: () => debounceMaxDelay,\r\n _mergeParams(prev, curr) {\r\n const { _sizeChanged: prevSizeChanged, _hostMutation: prevHostMutation, _contentMutation: prevContentMutation } = prev[0];\r\n const { _sizeChanged: currSizeChanged, _hostMutation: currvHostMutation, _contentMutation: currContentMutation } = curr[0];\r\n const merged: [Partial] = [\r\n {\r\n _sizeChanged: prevSizeChanged || currSizeChanged,\r\n _hostMutation: prevHostMutation || currvHostMutation,\r\n _contentMutation: prevContentMutation || currContentMutation,\r\n },\r\n ];\r\n\r\n return merged;\r\n },\r\n });\r\n\r\n const onTrinsicChanged = (heightIntrinsic: CacheValues) => {\r\n updateLifecycles({\r\n _heightIntrinsic: heightIntrinsic,\r\n });\r\n };\r\n const onSizeChanged = ({ _sizeChanged, _directionIsRTLCache, _appear }: SizeObserverCallbackParams) => {\r\n const updateFn = !_sizeChanged || _appear ? updateLifecycles : updateLifecyclesWithDebouncedAdaptiveUpdateHints;\r\n updateFn({\r\n _sizeChanged,\r\n _directionIsRTL: _directionIsRTLCache,\r\n });\r\n };\r\n const onContentMutation = (contentChangedTroughEvent: boolean) => {\r\n // if contentChangedTroughEvent is true its already debounced\r\n const updateFn = contentChangedTroughEvent ? updateLifecycles : updateLifecyclesWithDebouncedAdaptiveUpdateHints;\r\n updateFn({\r\n _contentMutation: true,\r\n });\r\n };\r\n const onHostMutation = updateLifecyclesWithDebouncedAdaptiveUpdateHints.bind(0, {\r\n _hostMutation: true,\r\n }) as () => any;\r\n\r\n const trinsicObserver = (_content || !_flexboxGlue) && createTrinsicObserver(_host, onTrinsicChanged);\r\n const sizeObserver = createSizeObserver(_host, onSizeChanged, { _appear: true, _direction: !_nativeScrollbarStyling });\r\n const hostMutationObserver = createDOMObserver(_host, false, onHostMutation, {\r\n _styleChangingAttributes: baseStyleChangingAttrs,\r\n _attributes: baseStyleChangingAttrs,\r\n _ignoreTargetChange: ignoreTargetChange,\r\n });\r\n let contentMutationObserver: DOMObserver | undefined;\r\n\r\n const updateOptions = (checkOption: LifecycleCheckOption) => {\r\n const { _value: elementEvents, _changed: elementEventsChanged } = checkOption | null>('updating.elementEvents');\r\n const { _value: attributes, _changed: attributesChanged } = checkOption('updating.attributes');\r\n const { _value: debounce, _changed: debounceChanged } = checkOption | number | null>('updating.debounce');\r\n const updateContentMutationObserver = elementEventsChanged || attributesChanged;\r\n\r\n if (updateContentMutationObserver) {\r\n if (contentMutationObserver) {\r\n contentMutationObserver._update();\r\n contentMutationObserver._destroy();\r\n }\r\n contentMutationObserver = createDOMObserver(_content || _viewport, true, onContentMutation, {\r\n _styleChangingAttributes: contentMutationObserverAttr.concat(attributes || []),\r\n _attributes: contentMutationObserverAttr.concat(attributes || []),\r\n _eventContentChange: elementEvents,\r\n _ignoreNestedTargetChange: ignoreTargetChange,\r\n //_nestedTargetSelector: hostSelector,\r\n /*\r\n _ignoreContentChange: (mutation, isNestedTarget) => {\r\n const { target, attributeName } = mutation;\r\n return isNestedTarget\r\n ? false\r\n : attributeName\r\n ? liesBetween(target as Element, hostSelector, viewportSelector) || liesBetween(target as Element, hostSelector, contentSelector)\r\n : false;\r\n },\r\n */\r\n });\r\n }\r\n\r\n if (debounceChanged) {\r\n updateLifecyclesWithDebouncedAdaptiveUpdateHints._flush();\r\n if (isArray(debounce)) {\r\n const timeout = debounce[0];\r\n const maxWait = debounce[1];\r\n debounceTimeout = isNumber(timeout) ? timeout : false;\r\n debounceMaxDelay = isNumber(maxWait) ? maxWait : false;\r\n } else if (isNumber(debounce)) {\r\n debounceTimeout = debounce;\r\n debounceMaxDelay = false;\r\n } else {\r\n debounceTimeout = false;\r\n debounceMaxDelay = false;\r\n }\r\n }\r\n };\r\n\r\n return {\r\n _trinsicObserver: trinsicObserver,\r\n _sizeObserver: sizeObserver,\r\n _updateObserverOptions: updateOptions,\r\n };\r\n};\r\n","import { style } from 'support';\r\nimport { LifecycleHub, Lifecycle } from 'lifecycles/lifecycleHub';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the trinsic behavior of the content element.\r\n * @param lifecycleHub\r\n * @returns\r\n */\r\nexport const createTrinsicLifecycle = (lifecycleHub: LifecycleHub): Lifecycle => {\r\n const { _structureSetup } = lifecycleHub;\r\n const { _content } = _structureSetup._targetObj;\r\n\r\n return (updateHints) => {\r\n const { _heightIntrinsic } = updateHints;\r\n const { _value: heightIntrinsic, _changed: heightIntrinsicChanged } = _heightIntrinsic;\r\n\r\n if (heightIntrinsicChanged) {\r\n style(_content, {\r\n height: heightIntrinsic ? '' : '100%',\r\n display: heightIntrinsic ? '' : 'inline',\r\n });\r\n }\r\n\r\n return {\r\n _sizeChanged: heightIntrinsicChanged,\r\n _contentMutation: heightIntrinsicChanged,\r\n };\r\n };\r\n};\r\n","import { createCache, topRightBottomLeft, equalTRBL, style, TRBL } from 'support';\r\nimport { LifecycleHub, Lifecycle } from 'lifecycles/lifecycleHub';\r\nimport { StyleObject } from 'typings';\r\nimport { getEnvironment } from 'environment';\r\n\r\n/**\r\n * Lifecycle with the responsibility to adjust the padding styling of the padding and viewport element.\r\n * @param lifecycleHub\r\n * @returns\r\n */\r\nexport const createPaddingLifecycle = (lifecycleHub: LifecycleHub): Lifecycle => {\r\n const { _structureSetup, _setLifecycleCommunication } = lifecycleHub;\r\n const { _host, _padding, _viewport } = _structureSetup._targetObj;\r\n const { _update: updatePaddingCache, _current: currentPaddingCache } = createCache(topRightBottomLeft.bind(0, _host, 'padding'), {\r\n _equal: equalTRBL,\r\n _initialValue: topRightBottomLeft(),\r\n });\r\n\r\n return (updateHints, checkOption, force) => {\r\n let { _value: padding, _changed: paddingChanged } = currentPaddingCache(force);\r\n const { _nativeScrollbarStyling, _flexboxGlue } = getEnvironment();\r\n const { _sizeChanged, _directionIsRTL, _contentMutation } = updateHints;\r\n const { _value: directionIsRTL, _changed: directionChanged } = _directionIsRTL;\r\n const { _value: paddingAbsolute, _changed: paddingAbsoluteChanged } = checkOption('paddingAbsolute');\r\n const contentMutation = !_flexboxGlue && _contentMutation;\r\n\r\n if (_sizeChanged || paddingChanged || contentMutation) {\r\n ({ _value: padding, _changed: paddingChanged } = updatePaddingCache(force));\r\n }\r\n\r\n const paddingStyleChanged = paddingAbsoluteChanged || directionChanged || paddingChanged;\r\n\r\n if (paddingStyleChanged) {\r\n // if there is no padding element and no scrollbar styling, paddingAbsolute isn't supported\r\n const paddingRelative = !paddingAbsolute || (!_padding && !_nativeScrollbarStyling);\r\n const paddingHorizontal = padding!.r + padding!.l;\r\n const paddingVertical = padding!.t + padding!.b;\r\n\r\n const paddingStyle: StyleObject = {\r\n marginRight: paddingRelative && !directionIsRTL ? -paddingHorizontal : 0,\r\n marginBottom: paddingRelative ? -paddingVertical : 0,\r\n marginLeft: paddingRelative && directionIsRTL ? -paddingHorizontal : 0,\r\n top: paddingRelative ? -padding!.t : 0,\r\n right: paddingRelative ? (directionIsRTL ? -padding!.r : 'auto') : 0,\r\n left: paddingRelative ? (directionIsRTL ? 'auto' : -padding!.l) : 0,\r\n width: paddingRelative ? `calc(100% + ${paddingHorizontal}px)` : '',\r\n };\r\n const viewportStyle: StyleObject = {\r\n paddingTop: paddingRelative ? padding!.t : 0,\r\n paddingRight: paddingRelative ? padding!.r : 0,\r\n paddingBottom: paddingRelative ? padding!.b : 0,\r\n paddingLeft: paddingRelative ? padding!.l : 0,\r\n };\r\n\r\n // if there is no padding element apply the style to the viewport element instead\r\n style(_padding || _viewport, paddingStyle);\r\n style(_viewport, viewportStyle);\r\n\r\n _setLifecycleCommunication({\r\n _paddingInfo: {\r\n _absolute: !paddingRelative,\r\n _padding: padding!,\r\n },\r\n _viewportPaddingStyle: _padding\r\n ? viewportStyle\r\n : {\r\n ...paddingStyle,\r\n ...viewportStyle,\r\n },\r\n });\r\n }\r\n\r\n return {\r\n _paddingStyleChanged: paddingStyleChanged,\r\n };\r\n };\r\n};\r\n","import {\r\n createCache,\r\n keys,\r\n attr,\r\n WH,\r\n XY,\r\n style,\r\n scrollSize,\r\n CacheValues,\r\n equalWH,\r\n addClass,\r\n removeClass,\r\n clientSize,\r\n offsetSize,\r\n getBoundingClientRect,\r\n noop,\r\n each,\r\n} from 'support';\r\nimport { LifecycleHub, Lifecycle } from 'lifecycles/lifecycleHub';\r\nimport { getEnvironment } from 'environment';\r\nimport { OverflowBehavior } from 'options';\r\nimport { StyleObject } from 'typings';\r\nimport { classNameViewportArrange, classNameViewportScrollbarStyling } from 'classnames';\r\n\r\ninterface OverflowAmountCacheContext {\r\n _viewportScrollSize: WH;\r\n _viewportClientSize: WH;\r\n _viewportSizeFraction: WH;\r\n}\r\n\r\ninterface ViewportOverflowState {\r\n _scrollbarsHideOffset: XY;\r\n _scrollbarsHideOffsetArrange: XY;\r\n _overflowScroll: XY;\r\n}\r\n\r\ninterface UndoViewportArrangeResult {\r\n _redoViewportArrange: () => void;\r\n _viewportOverflowState?: ViewportOverflowState;\r\n}\r\n\r\ninterface OverflowOption {\r\n x: OverflowBehavior;\r\n y: OverflowBehavior;\r\n}\r\n\r\nconst { max, abs, round } = Math;\r\nconst overlaidScrollbarsHideOffset = 42;\r\nconst whCacheOptions = {\r\n _equal: equalWH,\r\n _initialValue: { w: 0, h: 0 },\r\n};\r\nconst sizeFraction = (elm: HTMLElement): WH => {\r\n const viewportOffsetSize = offsetSize(elm);\r\n const viewportRect = getBoundingClientRect(elm);\r\n return {\r\n w: viewportRect.width - viewportOffsetSize.w,\r\n h: viewportRect.height - viewportOffsetSize.h,\r\n };\r\n};\r\nconst setAxisOverflowStyle = (horizontal: boolean, overflowAmount: number, behavior: OverflowBehavior, styleObj: StyleObject) => {\r\n const overflowKey: keyof StyleObject = horizontal ? 'overflowX' : 'overflowY';\r\n const behaviorIsVisible = behavior.indexOf('visible') === 0;\r\n const behaviorIsVisibleHidden = behavior === 'visible-hidden';\r\n const behaviorIsScroll = behavior === 'scroll';\r\n const hasOverflow = overflowAmount > 0;\r\n\r\n if (behaviorIsVisible) {\r\n styleObj[overflowKey] = 'visible';\r\n }\r\n if (behaviorIsScroll && hasOverflow) {\r\n styleObj[overflowKey] = behavior;\r\n }\r\n\r\n return {\r\n _visible: behaviorIsVisible,\r\n _behavior: behaviorIsVisibleHidden ? 'hidden' : 'scroll',\r\n };\r\n};\r\n\r\n/**\r\n * Lifecycle with the responsibility to set the correct overflow and scrollbar hiding styles of the viewport element.\r\n * @param lifecycleHub\r\n * @returns\r\n */\r\nexport const createOverflowLifecycle = (lifecycleHub: LifecycleHub): Lifecycle => {\r\n const { _structureSetup, _doViewportArrange, _getLifecycleCommunication, _setLifecycleCommunication } = lifecycleHub;\r\n const { _host, _viewport, _viewportArrange } = _structureSetup._targetObj;\r\n const { _update: updateViewportSizeFraction, _current: getCurrentViewportSizeFraction } = createCache>(\r\n sizeFraction.bind(0, _viewport),\r\n whCacheOptions\r\n );\r\n const { _update: updateViewportScrollSizeCache, _current: getCurrentViewportScrollSizeCache } = createCache>(\r\n scrollSize.bind(0, _viewport),\r\n whCacheOptions\r\n );\r\n const { _update: updateOverflowAmountCache, _current: getCurrentOverflowAmountCache } = createCache, OverflowAmountCacheContext>(\r\n ({ _viewportScrollSize, _viewportClientSize, _viewportSizeFraction }) => ({\r\n w: round(max(0, _viewportScrollSize.w - _viewportClientSize.w) - max(0, _viewportSizeFraction.w)),\r\n h: round(max(0, _viewportScrollSize.h - _viewportClientSize.h) - max(0, _viewportSizeFraction.h)),\r\n }),\r\n whCacheOptions\r\n );\r\n\r\n /**\r\n * Applies a fixed height to the viewport so it can't overflow or underflow the host element.\r\n * @param viewportOverflowState The current overflow state.\r\n * @param heightIntrinsic Whether the host height is intrinsic or not.\r\n */\r\n const fixFlexboxGlue = (viewportOverflowState: ViewportOverflowState, heightIntrinsic: boolean) => {\r\n style(_viewport, {\r\n height: '',\r\n });\r\n\r\n if (heightIntrinsic) {\r\n const { _absolute: paddingAbsolute, _padding: padding } = _getLifecycleCommunication()._paddingInfo;\r\n const { _overflowScroll, _scrollbarsHideOffset } = viewportOverflowState;\r\n const hostSizeFraction = sizeFraction(_host);\r\n const hostClientSize = clientSize(_host);\r\n // padding subtraction is only needed if padding is absolute or if viewport is content-box\r\n const paddingVertical = paddingAbsolute || style(_viewport, 'boxSizing') === 'content-box' ? padding.b + padding.t : 0;\r\n const fractionalClientHeight = hostClientSize.h + (abs(hostSizeFraction.h) < 1 ? hostSizeFraction.h : 0);\r\n\r\n style(_viewport, {\r\n height: fractionalClientHeight + (_overflowScroll.x ? _scrollbarsHideOffset.x : 0) - paddingVertical,\r\n });\r\n }\r\n };\r\n\r\n /**\r\n * Gets the current overflow state of the viewport.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param viewportStyleObj The viewport style object where the overflow scroll property can be read of, or undefined if shall be determined.\r\n * @returns A object which contains informations about the current overflow state.\r\n */\r\n const getViewportOverflowState = (showNativeOverlaidScrollbars: boolean, viewportStyleObj?: StyleObject): ViewportOverflowState => {\r\n const { _nativeScrollbarSize, _nativeScrollbarIsOverlaid, _nativeScrollbarStyling } = getEnvironment();\r\n const { x: overlaidX, y: overlaidY } = _nativeScrollbarIsOverlaid;\r\n const determineOverflow = !viewportStyleObj;\r\n const arrangeHideOffset = !_nativeScrollbarStyling && !showNativeOverlaidScrollbars ? overlaidScrollbarsHideOffset : 0;\r\n const styleObj = determineOverflow ? style(_viewport, ['overflowX', 'overflowY']) : viewportStyleObj;\r\n const scroll = {\r\n x: styleObj!.overflowX === 'scroll',\r\n y: styleObj!.overflowY === 'scroll',\r\n };\r\n const scrollbarsHideOffset = {\r\n x: scroll.x && !_nativeScrollbarStyling ? (overlaidX ? arrangeHideOffset : _nativeScrollbarSize.x) : 0,\r\n y: scroll.y && !_nativeScrollbarStyling ? (overlaidY ? arrangeHideOffset : _nativeScrollbarSize.y) : 0,\r\n };\r\n\r\n return {\r\n _overflowScroll: scroll,\r\n _scrollbarsHideOffsetArrange: {\r\n x: overlaidX && !!arrangeHideOffset,\r\n y: overlaidY && !!arrangeHideOffset,\r\n },\r\n _scrollbarsHideOffset: scrollbarsHideOffset,\r\n };\r\n };\r\n\r\n /**\r\n * Sets the overflow property of the viewport and calculates the a overflow state according to the new parameters.\r\n * @param showNativeOverlaidScrollbars Whether to show natively overlaid scrollbars.\r\n * @param overflowAmount The overflow amount.\r\n * @param overflow The overflow behavior according to the options.\r\n * @param viewportStyleObj The viewport style object to which the overflow style shall be applied.\r\n * @returns A object which represents the newly set overflow state.\r\n */\r\n const setViewportOverflowState = (\r\n showNativeOverlaidScrollbars: boolean,\r\n overflowAmount: WH,\r\n overflow: OverflowOption,\r\n viewportStyleObj: StyleObject\r\n ): ViewportOverflowState => {\r\n const { _visible: xVisible, _behavior: xVisibleBehavior } = setAxisOverflowStyle(true, overflowAmount!.w, overflow.x, viewportStyleObj);\r\n const { _visible: yVisible, _behavior: yVisibleBehavior } = setAxisOverflowStyle(false, overflowAmount!.h, overflow.y, viewportStyleObj);\r\n\r\n if (xVisible && !yVisible) {\r\n viewportStyleObj.overflowX = xVisibleBehavior;\r\n }\r\n if (yVisible && !xVisible) {\r\n viewportStyleObj.overflowY = yVisibleBehavior;\r\n }\r\n\r\n return getViewportOverflowState(showNativeOverlaidScrollbars, viewportStyleObj);\r\n };\r\n\r\n /**\r\n * Sets the styles of the viewport arrange element.\r\n * @param viewportOverflowState The viewport overflow state according to which the scrollbars shall be hidden.\r\n * @param viewportScrollSize The content scroll size.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @returns A boolean which indicates whether the viewport arrange element was adjusted.\r\n */\r\n const arrangeViewport = (\r\n viewportOverflowState: ViewportOverflowState,\r\n viewportScrollSize: WH,\r\n viewportSizeFraction: WH,\r\n directionIsRTL: boolean\r\n ) => {\r\n if (_doViewportArrange) {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = _getLifecycleCommunication();\r\n const viewportArrangeHorizontalPaddingKey: keyof StyleObject = directionIsRTL ? 'paddingRight' : 'paddingLeft';\r\n const viewportArrangeHorizontalPaddingValue = viewportPaddingStyle[viewportArrangeHorizontalPaddingKey] as number;\r\n const viewportArrangeVerticalPaddingValue = viewportPaddingStyle.paddingTop as number;\r\n const fractionalContentWidth = viewportScrollSize.w + (abs(viewportSizeFraction.w) < 1 ? viewportSizeFraction.w : 0);\r\n const fractionalContenHeight = viewportScrollSize.h + (abs(viewportSizeFraction.h) < 1 ? viewportSizeFraction.h : 0);\r\n const arrangeSize = {\r\n w: hideOffsetY && arrangeY ? `${hideOffsetY + fractionalContentWidth - viewportArrangeHorizontalPaddingValue}px` : '',\r\n h: hideOffsetX && arrangeX ? `${hideOffsetX + fractionalContenHeight - viewportArrangeVerticalPaddingValue}px` : '',\r\n };\r\n\r\n // adjust content arrange / before element\r\n if (_viewportArrange) {\r\n const { sheet } = _viewportArrange;\r\n if (sheet) {\r\n const { cssRules } = sheet;\r\n if (cssRules) {\r\n if (!cssRules.length) {\r\n sheet.insertRule(`#${attr(_viewportArrange, 'id')} + .${classNameViewportArrange}::before {}`, 0);\r\n }\r\n\r\n // @ts-ignore\r\n const ruleStyle = cssRules[0].style;\r\n\r\n ruleStyle.width = arrangeSize.w;\r\n ruleStyle.height = arrangeSize.h;\r\n }\r\n }\r\n } else {\r\n style<'--os-vaw' | '--os-vah'>(_viewport, {\r\n '--os-vaw': arrangeSize.w,\r\n '--os-vah': arrangeSize.h,\r\n });\r\n }\r\n }\r\n\r\n return _doViewportArrange;\r\n };\r\n\r\n /**\r\n * Hides the native scrollbars according to the passed parameters.\r\n * @param viewportOverflowState The viewport overflow state.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportArrange Whether special styles related to the viewport arrange strategy shall be applied.\r\n * @param viewportStyleObj The viewport style object to which the needed styles shall be applied.\r\n */\r\n const hideNativeScrollbars = (\r\n viewportOverflowState: ViewportOverflowState,\r\n directionIsRTL: boolean,\r\n viewportArrange: boolean,\r\n viewportStyleObj: StyleObject\r\n ) => {\r\n const { _scrollbarsHideOffset, _scrollbarsHideOffsetArrange } = viewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const { x: hideOffsetX, y: hideOffsetY } = _scrollbarsHideOffset;\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = _getLifecycleCommunication();\r\n const horizontalMarginKey: keyof StyleObject = directionIsRTL ? 'marginLeft' : 'marginRight';\r\n const viewportHorizontalPaddingKey: keyof StyleObject = directionIsRTL ? 'paddingLeft' : 'paddingRight';\r\n const horizontalMarginValue = viewportPaddingStyle[horizontalMarginKey] as number;\r\n const verticalMarginValue = viewportPaddingStyle.marginBottom as number;\r\n const horizontalPaddingValue = viewportPaddingStyle[viewportHorizontalPaddingKey] as number;\r\n const verticalPaddingValue = viewportPaddingStyle.paddingBottom as number;\r\n\r\n // horizontal\r\n viewportStyleObj.width = `calc(100% + ${hideOffsetY + horizontalMarginValue * -1}px)`;\r\n viewportStyleObj[horizontalMarginKey] = -hideOffsetY + horizontalMarginValue;\r\n\r\n // vertical\r\n viewportStyleObj.marginBottom = -hideOffsetX + verticalMarginValue;\r\n\r\n // viewport arrange additional styles\r\n if (viewportArrange) {\r\n viewportStyleObj[viewportHorizontalPaddingKey] = horizontalPaddingValue + (arrangeY ? hideOffsetY : 0);\r\n viewportStyleObj.paddingBottom = verticalPaddingValue + (arrangeX ? hideOffsetX : 0);\r\n }\r\n };\r\n\r\n /**\r\n * Removes all styles applied because of the viewport arrange strategy.\r\n * @param showNativeOverlaidScrollbars Whether native overlaid scrollbars are shown instead of hidden.\r\n * @param directionIsRTL Whether the direction is RTL or not.\r\n * @param viewportOverflowState The currentviewport overflow state or undefined if it has to be determined.\r\n * @returns A object with a function which applies all the removed styles and the determined viewport vverflow state.\r\n */\r\n const undoViewportArrange = (\r\n showNativeOverlaidScrollbars: boolean,\r\n directionIsRTL: boolean,\r\n viewportOverflowState?: ViewportOverflowState\r\n ): UndoViewportArrangeResult => {\r\n if (_doViewportArrange) {\r\n const finalViewportOverflowState = viewportOverflowState || getViewportOverflowState(showNativeOverlaidScrollbars);\r\n const { _viewportPaddingStyle: viewportPaddingStyle } = _getLifecycleCommunication();\r\n const { _flexboxGlue } = getEnvironment();\r\n const { _scrollbarsHideOffsetArrange } = finalViewportOverflowState;\r\n const { x: arrangeX, y: arrangeY } = _scrollbarsHideOffsetArrange;\r\n const finalPaddingStyle: StyleObject = {};\r\n const assignProps = (props: string) =>\r\n each(props.split(' '), (prop) => {\r\n finalPaddingStyle[prop] = viewportPaddingStyle[prop];\r\n });\r\n\r\n if (!_flexboxGlue) {\r\n finalPaddingStyle.height = '';\r\n }\r\n\r\n if (arrangeX) {\r\n assignProps('marginBottom paddingTop paddingBottom');\r\n }\r\n\r\n if (arrangeY) {\r\n assignProps('marginLeft marginRight paddingLeft paddingRight');\r\n }\r\n\r\n const prevStyle = style(_viewport, keys(finalPaddingStyle));\r\n removeClass(_viewport, classNameViewportArrange);\r\n style(_viewport, finalPaddingStyle);\r\n\r\n return {\r\n _redoViewportArrange: () => {\r\n hideNativeScrollbars(finalViewportOverflowState, directionIsRTL, _doViewportArrange, prevStyle);\r\n style(_viewport, prevStyle);\r\n addClass(_viewport, classNameViewportArrange);\r\n },\r\n _viewportOverflowState: finalViewportOverflowState,\r\n };\r\n }\r\n return {\r\n _redoViewportArrange: noop,\r\n };\r\n };\r\n\r\n return (updateHints, checkOption, force) => {\r\n const { _directionIsRTL, _heightIntrinsic, _sizeChanged, _hostMutation, _contentMutation, _paddingStyleChanged } = updateHints;\r\n const { _flexboxGlue, _nativeScrollbarStyling, _nativeScrollbarIsOverlaid } = getEnvironment();\r\n const { _value: heightIntrinsic, _changed: heightIntrinsicChanged } = _heightIntrinsic;\r\n const { _value: directionIsRTL, _changed: directionChanged } = _directionIsRTL;\r\n const { _value: showNativeOverlaidScrollbarsOption, _changed: showNativeOverlaidScrollbarsChanged } = checkOption(\r\n 'nativeScrollbarsOverlaid.show'\r\n );\r\n const showNativeOverlaidScrollbars = showNativeOverlaidScrollbarsOption && _nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y;\r\n const adjustFlexboxGlue =\r\n !_flexboxGlue && (_sizeChanged || _contentMutation || _hostMutation || showNativeOverlaidScrollbarsChanged || heightIntrinsicChanged);\r\n let viewportSizeFractionCache: CacheValues> = getCurrentViewportSizeFraction(force);\r\n let viewportScrollSizeCache: CacheValues> = getCurrentViewportScrollSizeCache(force);\r\n let overflowAmuntCache: CacheValues> = getCurrentOverflowAmountCache(force);\r\n let preMeasureViewportOverflowState: ViewportOverflowState | undefined;\r\n\r\n if (showNativeOverlaidScrollbarsChanged && _nativeScrollbarStyling) {\r\n if (showNativeOverlaidScrollbars) {\r\n removeClass(_viewport, classNameViewportScrollbarStyling);\r\n } else {\r\n addClass(_viewport, classNameViewportScrollbarStyling);\r\n }\r\n }\r\n\r\n if (adjustFlexboxGlue) {\r\n preMeasureViewportOverflowState = getViewportOverflowState(showNativeOverlaidScrollbars);\r\n fixFlexboxGlue(preMeasureViewportOverflowState, !!heightIntrinsic);\r\n }\r\n\r\n if (_sizeChanged || _paddingStyleChanged || _contentMutation || showNativeOverlaidScrollbarsChanged || directionChanged) {\r\n const { _redoViewportArrange, _viewportOverflowState: undoViewportArrangeOverflowState } = undoViewportArrange(\r\n showNativeOverlaidScrollbars,\r\n directionIsRTL!,\r\n preMeasureViewportOverflowState\r\n );\r\n const { _value: viewportSizeFraction, _changed: viewportSizeFractionCahnged } = (viewportSizeFractionCache = updateViewportSizeFraction(force));\r\n const { _value: viewportScrollSize, _changed: viewportScrollSizeChanged } = (viewportScrollSizeCache = updateViewportScrollSizeCache(force));\r\n const viewportContentSize = clientSize(_viewport);\r\n let arrangedViewportScrollSize = viewportScrollSize!;\r\n let arrangedViewportClientSize = viewportContentSize;\r\n\r\n _redoViewportArrange();\r\n\r\n // if re measure is required (only required if content arrange strategy is used)\r\n if (\r\n (viewportScrollSizeChanged || viewportSizeFractionCahnged || showNativeOverlaidScrollbarsChanged) &&\r\n undoViewportArrangeOverflowState &&\r\n !showNativeOverlaidScrollbars &&\r\n arrangeViewport(undoViewportArrangeOverflowState, viewportScrollSize!, viewportSizeFraction!, directionIsRTL!)\r\n ) {\r\n arrangedViewportClientSize = clientSize(_viewport);\r\n arrangedViewportScrollSize = scrollSize(_viewport);\r\n }\r\n\r\n overflowAmuntCache = updateOverflowAmountCache(force, {\r\n _viewportSizeFraction: viewportSizeFraction!,\r\n _viewportScrollSize: {\r\n w: max(viewportScrollSize!.w, arrangedViewportScrollSize.w),\r\n h: max(viewportScrollSize!.h, arrangedViewportScrollSize.h),\r\n },\r\n _viewportClientSize: {\r\n w: arrangedViewportClientSize.w + max(0, viewportContentSize.w - viewportScrollSize!.w),\r\n h: arrangedViewportClientSize.h + max(0, viewportContentSize.h - viewportScrollSize!.h),\r\n },\r\n });\r\n }\r\n\r\n const { _value: viewportSizeFraction, _changed: viewportSizeFractionChanged } = viewportSizeFractionCache;\r\n const { _value: viewportScrollSize, _changed: viewportScrollSizeChanged } = viewportScrollSizeCache;\r\n const { _value: overflowAmount, _changed: overflowAmountChanged } = overflowAmuntCache;\r\n const { _value: overflow, _changed: overflowChanged } = checkOption('overflow');\r\n\r\n if (\r\n _paddingStyleChanged ||\r\n viewportSizeFractionChanged ||\r\n viewportScrollSizeChanged ||\r\n overflowAmountChanged ||\r\n overflowChanged ||\r\n showNativeOverlaidScrollbarsChanged ||\r\n directionChanged ||\r\n adjustFlexboxGlue\r\n ) {\r\n const viewportStyle: StyleObject = {\r\n marginRight: 0,\r\n marginBottom: 0,\r\n marginLeft: 0,\r\n width: '',\r\n overflowY: '',\r\n overflowX: '',\r\n };\r\n\r\n const viewportOverflowState = setViewportOverflowState(showNativeOverlaidScrollbars, overflowAmount!, overflow, viewportStyle);\r\n const viewportArranged = arrangeViewport(viewportOverflowState, viewportScrollSize!, viewportSizeFraction!, directionIsRTL!);\r\n hideNativeScrollbars(viewportOverflowState, directionIsRTL!, viewportArranged, viewportStyle);\r\n\r\n if (adjustFlexboxGlue) {\r\n fixFlexboxGlue(viewportOverflowState, !!heightIntrinsic);\r\n }\r\n\r\n // TODO: hide host overflow if scroll x or y and no padding element there\r\n // TODO: Test without content\r\n // TODO: Test without padding\r\n // TODO: overflow: visible on padding / host if overflow visible on both axis\r\n\r\n style(_viewport, viewportStyle);\r\n\r\n _setLifecycleCommunication({\r\n _viewportOverflowScroll: viewportOverflowState._overflowScroll,\r\n _viewportOverflowAmount: overflowAmount,\r\n });\r\n }\r\n };\r\n};\r\n","import { XY, WH, TRBL, CacheValues, PartialOptions, each, hasOwnProperty, isNumber, scrollLeft, scrollTop, assignDeep } from 'support';\r\nimport { OSOptions } from 'options';\r\nimport { getEnvironment } from 'environment';\r\nimport { StructureSetup } from 'setups/structureSetup';\r\nimport { lifecycleHubOservers } from 'lifecycles/lifecycleHubObservers';\r\nimport { createTrinsicLifecycle } from 'lifecycles/trinsicLifecycle';\r\nimport { createPaddingLifecycle } from 'lifecycles/paddingLifecycle';\r\nimport { createOverflowLifecycle } from 'lifecycles/overflowLifecycle';\r\nimport { StyleObject } from 'typings';\r\n\r\nexport type LifecycleCheckOption = (path: string) => LifecycleOptionInfo;\r\n\r\nexport interface LifecycleOptionInfo {\r\n readonly _value: T;\r\n _changed: boolean;\r\n}\r\n\r\nexport interface LifecycleCommunication {\r\n _paddingInfo: {\r\n _absolute: boolean;\r\n _padding: TRBL;\r\n };\r\n _viewportPaddingStyle: StyleObject;\r\n _viewportOverflowScroll: XY