@spectrum-web-components/shared/src/focus-visible.js

Shared mixins, tools, etc. that support developing Spectrum Web Components.

"use strict";let i=!0;try{document.body.querySelector(":focus-visible")}catch(a){i=!1,import("focus-visible")}export const FocusVisiblePolyfillMixin=a=>{var s,t;const n=l=>{if(l.shadowRoot==null||l.hasAttribute("data-js-focus-visible"))return()=>{};if(self.applyFocusVisiblePolyfill)self.applyFocusVisiblePolyfill(l.shadowRoot),l.manageAutoFocus&&l.manageAutoFocus();else{const e=()=>{self.applyFocusVisiblePolyfill&&l.shadowRoot&&self.applyFocusVisiblePolyfill(l.shadowRoot),l.manageAutoFocus&&l.manageAutoFocus()};return self.addEventListener("focus-visible-polyfill-ready",e,{once:!0}),()=>{self.removeEventListener("focus-visible-polyfill-ready",e)}}return()=>{}},o=Symbol("endPolyfillCoordination");class c extends(t=a,s=o,t){constructor(){super(...arguments);this[s]=null}connectedCallback(){super.connectedCallback&&super.connectedCallback(),i||requestAnimationFrame(()=>{this[o]==null&&(this[o]=n(this))})}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),i||requestAnimationFrame(()=>{this[o]!=null&&(this[o](),this[o]=null)})}}return c};
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