eewing
21 lines
648 B
JavaScript
21 lines
648 B
JavaScript
import { ActiveElement, } from "../active-element/active-element.svelte.js";
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import { extract } from "../extract/extract.svelte.js";
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/**
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* Tracks whether the focus is within a target element.
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* @see {@link https://runed.dev/docs/utilities/is-focus-within}
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*/
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export class IsFocusWithin {
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#node;
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#activeElement;
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constructor(node, options = {}) {
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this.#node = node;
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this.#activeElement = new ActiveElement(options);
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}
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current = $derived.by(() => {
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const node = extract(this.#node);
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if (node == null)
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return false;
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return node.contains(this.#activeElement.current);
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});
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}
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