@cds/core/internal/controllers/trigger.controller.js

Clarity Design System - common components, themes, and utilties

import{listenForAttributeChange as t}from"../utils/events.js";import{getActiveElement as s}from"../utils/focus.js";function e(t={focus:!0}){return s=>s.addInitializer((s=>new r(s,t)))}class r{constructor(t,e={focus:!0}){this.host=t,this.config=e,this.activeElement=s(),this.host.addController(this)}get current(){return this.host.trigger?this._current:this.activeElement}get prev(){return this._prev}async hostConnected(){this.observer=t(this.host,"hidden",(()=>{const t=s();!this.host.hidden&&t?this.activeElement=t:this.focusCurrent()}))}hostUpdate(){this._current!==this.host.trigger&&(this._prev=this._current,this._current=this.host.trigger?this.host.trigger:this.activeElement)}hostDisconnected(){this.focusCurrent(),this.observer?.disconnect()}focusCurrent(){this.config.focus&&this.current?.focus()}}export{r as TriggerController,e as triggerable};
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