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{"version":3,"names":["Default","parentTrigger","subMenu","toggle","triggerElement","ClassName","ACTIVE","COLLAPSE","COLLAPSED","COLLAPSING","METIS","SHOW","MetisMenu","constructor","element","options","this","isElement","document","querySelector","config","Object","assign","disposed","triggerArr","boundEventHandler","clickEvent","bind","init","static","el","opt","classList","add","uls","querySelectorAll","length","forEach","ul","li","closest","contains","show","hide","a","getAttribute","setAttribute","addEventListener","push","evt","target","currentTarget","tagName","preventDefault","update","dispose","arr","removeEventListener","on","evtType","handler","off","emit","evtData","shouldBubble","CustomEvent","bubbles","detail","dispatchEvent","isTransitioning","complete","remove","style","height","setTransitioning","shownElement","eleParentSiblins","slice","call","_a","parentNode","children","filter","c","sibli","sibUl","scrollHeight","showElement","hideElement","hiddenElement","getBoundingClientRect","offsetHeight","Boolean"],"sources":["../src/constant.ts","../src/metismenujs.ts"],"sourcesContent":["import
{ IMMOptions } from './interface.js';\n\nexport type
MetisMenuEvents =\n  | 'show.metisMenu'\n  |
'shown.metisMenu'\n  | 'hide.metisMenu'\n  |
'hidden.metisMenu';\n\nexport const Default: IMMOptions = {\n 
parentTrigger: 'li',\n  subMenu: 'ul',\n  toggle:
true,\n  triggerElement: 'a',\n};\n\nexport const ClassName = {\n
 ACTIVE: 'mm-active',\n  COLLAPSE: 'mm-collapse',\n 
COLLAPSED: 'mm-collapsed',\n  COLLAPSING:
'mm-collapsing',\n  METIS: 'metismenu',\n  SHOW:
'mm-show',\n};\n","/* eslint-disable max-len */\nimport
{ ClassName, Default, MetisMenuEvents } from
\"./constant.js\";\nimport { IMMOptions } from
\"./interface.js\";\nimport {\n  CustomEventListener,\n 
EventType,\n  SpecificEventListener,\n} from
\"./types.js\";\n\nclass MetisMenu {\n  protected config:
IMMOptions;\n\n  protected element: Element;\n\n  protected
isTransitioning!: boolean;\n\n  protected disposed: boolean;\n\n  protected
triggerArr: Array<Element>;\n\n  boundEventHandler: (evt?: Event)
=> void;\n\n  /**\n   * Creates an instance of MetisMenu.\n   *\n   *
@constructor\n   * @param {Element | string} element\n   * @param
{IMMOptions} [options]\n   * @memberof MetisMenu\n   */\n\n 
constructor(element: Element | string, options?: IMMOptions) {\n   
this.element = MetisMenu.isElement(element) ? element :
document.querySelector<HTMLElement>(element)!;\n    this.config = {
...Default, ...options };\n    this.disposed = false;\n    this.triggerArr
= [];\n    this.boundEventHandler = this.clickEvent.bind(this);\n   
this.init();\n  }\n\n  static attach(el: Element, opt?: IMMOptions) {\n   
return new MetisMenu(el, opt);\n  }\n\n  /**\n   * @internal\n   */\n 
private init(): void {\n    const { METIS, ACTIVE, COLLAPSE } =
ClassName;\n    this.element.classList.add(METIS);\n\n    const uls =
[...this.element.querySelectorAll<HTMLElement>(this.config.subMenu!)];\n\n
   if (uls.length === 0) {\n      return;\n    }\n\n    uls.forEach((ul:
Element) => {\n      ul.classList.add(COLLAPSE!);\n      const li =
ul.closest(this.config.parentTrigger!);\n\n      if
(li?.classList.contains(ACTIVE!)) {\n        this.show(ul as
HTMLElement);\n      } else {\n        this.hide(ul);\n      }\n\n     
const a =
li?.querySelector<HTMLElement>(this.config.triggerElement!);\n     
if (a?.getAttribute(\"aria-disabled\") === \"true\")
{\n        return;\n      }\n\n     
a?.setAttribute(\"aria-expanded\", \"false\");\n\n     
a?.addEventListener(\"click\", this.boundEventHandler);\n     
this.triggerArr.push(a!);\n    });\n  }\n  /**\n   * @internal\n   */\n\n 
private clickEvent(evt?: Event) {\n    if (!this.disposed) {\n      const
target = evt?.currentTarget as Element | null;\n      if (target &&
target.tagName === \"A\") {\n        evt!.preventDefault();\n    
 }\n\n      const li = target!.closest(this.config.parentTrigger!);\n     
const ul = li?.querySelector(this.config.subMenu!);\n     
this.toggle(ul!);\n    }\n  }\n\n  update() {\n    this.disposed = false;\n
   this.init();\n  }\n\n  dispose() {\n    this.triggerArr.forEach((arr)
=> {\n      arr.removeEventListener(\"click\",
this.boundEventHandler);\n    });\n    this.disposed = true;\n  }\n\n 
on<K extends EventType>(\n    evtType: K,\n    handler:
SpecificEventListener<K>,\n    options?: AddEventListenerOptions |
boolean,\n  ): MetisMenu;\n\n  on<E extends Event>(\n    evtType:
E,\n    handler: CustomEventListener<E>,\n    options?:
AddEventListenerOptions | boolean,\n  ): MetisMenu;\n\n  on(\n    evtType:
MetisMenuEvents,\n    handler: EventListener,\n    options?:
AddEventListenerOptions | boolean,\n  ) {\n   
this.element.addEventListener(evtType, handler, options);\n    return
this;\n  }\n\n  off<K extends EventType>(\n    evtType: K,\n   
handler: SpecificEventListener<K>,\n    options?:
AddEventListenerOptions | boolean,\n  ): MetisMenu;\n\n  off<E extends
Event>(\n    evtType: E,\n    handler: CustomEventListener<E>,\n  
 options?: AddEventListenerOptions | boolean,\n  ): MetisMenu;\n\n  off(\n 
  evtType: MetisMenuEvents,\n    handler: EventListener,\n    options?:
AddEventListenerOptions | boolean,\n  ): MetisMenu {\n   
this.element.removeEventListener(evtType, handler, options);\n    return
this;\n  }\n\n  /**\n   * @internal\n   */\n  emit<T extends
object>(\n    evtType: string,\n    evtData: T,\n    shouldBubble =
false,\n  ): void {\n    const evt = new CustomEvent<T>(evtType, {\n 
    bubbles: shouldBubble,\n      detail: evtData,\n    });\n   
this.element.dispatchEvent(evt);\n  }\n\n  /**\n   * @internal\n   */\n 
toggle(ul: Element) {\n    const li =
ul.closest(this.config.parentTrigger!);\n    if
(li?.classList.contains(ClassName.ACTIVE)) {\n      this.hide(ul);\n    }
else {\n      this.show(ul);\n    }\n  }\n\n  /**\n   * @internal\n   */\n 
show(el: Element) {\n    const ul = el as HTMLElement;\n    const { ACTIVE,
COLLAPSE, COLLAPSED, COLLAPSING, SHOW } = ClassName;\n\n    if
(this.isTransitioning || ul.classList.contains(COLLAPSING!)) {\n     
return;\n    }\n    const complete = () => {\n     
ul.classList.remove(COLLAPSING!);\n      ul.style.height =
\"\";\n      ul.removeEventListener(\"transitionend\",
complete);\n      this.setTransitioning(false);\n     
this.emit(\"shown.metisMenu\", {\n        shownElement: ul,\n    
 });\n    };\n\n    const li = ul.closest(this.config.parentTrigger!);\n   
li?.classList.add(ACTIVE!);\n\n    const a =
li?.querySelector<HTMLElement>(this.config.triggerElement!);\n   
a?.setAttribute(\"aria-expanded\", \"true\");\n   
a?.classList.remove(COLLAPSED!);\n\n    ul.style.height =
\"0px\";\n    ul.classList.remove(COLLAPSE!);\n   
ul.classList.remove(SHOW!);\n    ul.classList.add(COLLAPSING!);\n    const
eleParentSiblins = [].slice.call(li?.parentNode?.children).filter((\n     
c,\n    ) => c !== li);\n    if (this.config.toggle &&
eleParentSiblins.length > 0) {\n      eleParentSiblins.forEach((sibli:
Element) => {\n        const sibUl =
sibli.querySelector<HTMLElement>(this.config.subMenu!);\n        if
(sibUl) {\n          this.hide(sibUl);\n        }\n      });\n    }\n\n   
this.setTransitioning(true);\n\n    ul.classList.add(COLLAPSE!);\n   
ul.classList.add(SHOW!);\n    ul.style.height = `${ul.scrollHeight}px`;\n  
 this.emit(\"show.metisMenu\", {\n      showElement: ul,\n   
});\n    ul.addEventListener(\"transitionend\", complete);\n 
}\n\n  /**\n   * @internal\n   */\n  hide(el: Element) {\n    const {
ACTIVE, COLLAPSE, COLLAPSED, COLLAPSING, SHOW } = ClassName;\n    const ul
= el as HTMLElement;\n    if (this.isTransitioning ||
!ul.classList.contains(SHOW!)) {\n      return;\n    }\n   
this.emit(\"hide.metisMenu\", {\n      hideElement: ul,\n   
});\n\n    const li = ul.closest(this.config.parentTrigger!);\n   
li?.classList.remove(ACTIVE!);\n\n    const complete = () => {\n     
ul.classList.remove(COLLAPSING!);\n      ul.classList.add(COLLAPSE!);\n    
 ul.style.height = \"\";\n     
ul.removeEventListener(\"transitionend\", complete);\n     
this.setTransitioning(false);\n     
this.emit(\"hidden.metisMenu\", {\n        hiddenElement: ul,\n  
   });\n    };\n\n    ul.style.height =
`${ul.getBoundingClientRect().height}px`;\n    ul.style.height =
`${ul.offsetHeight}px`;\n\n    ul.classList.add(COLLAPSING!);\n   
ul.classList.remove(COLLAPSE!);\n    ul.classList.remove(SHOW!);\n   
this.setTransitioning(true);\n\n   
ul.addEventListener(\"transitionend\", complete);\n\n   
ul.style.height = \"0px\";\n\n    const a =
li?.querySelector(this.config.triggerElement!);\n   
a?.setAttribute(\"aria-expanded\", \"false\");\n   
a?.classList.add(COLLAPSED!);\n  }\n\n  /**\n   * @internal\n   */\n 
private setTransitioning(isTransitioning: boolean) {\n   
this.isTransitioning = isTransitioning;\n  }\n\n  /**\n   * @internal\n  
*/\n  static isElement(element: unknown): element is Element {\n    return
Boolean((element as Element).classList);\n  }\n}\n\nexport default
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