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export class SvelteResizeObserver {
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#node;
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#onResize;
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constructor(node, onResize) {
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this.#node = node;
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this.#onResize = onResize;
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this.handler = this.handler.bind(this);
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$effect(this.handler);
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}
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handler() {
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let rAF = 0;
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const _node = this.#node();
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if (!_node)
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return;
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const resizeObserver = new ResizeObserver(() => {
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cancelAnimationFrame(rAF);
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rAF = window.requestAnimationFrame(this.#onResize);
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});
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resizeObserver.observe(_node);
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return () => {
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window.cancelAnimationFrame(rAF);
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resizeObserver.unobserve(_node);
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};
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}
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}
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