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44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
var $aM4zL$react = require("react");
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function $parcel$export(e, n, v, s) {
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Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
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}
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$parcel$export(module.exports, "useResizeObserver", () => $37733e1652f47193$export$683480f191c0e3ea);
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function $37733e1652f47193$var$hasResizeObserver() {
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return typeof window.ResizeObserver !== 'undefined';
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}
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function $37733e1652f47193$export$683480f191c0e3ea(options) {
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const { ref: ref, box: box, onResize: onResize } = options;
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(0, $aM4zL$react.useEffect)(()=>{
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let element = ref === null || ref === void 0 ? void 0 : ref.current;
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if (!element) return;
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if (!$37733e1652f47193$var$hasResizeObserver()) {
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window.addEventListener('resize', onResize, false);
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return ()=>{
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window.removeEventListener('resize', onResize, false);
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};
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} else {
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const resizeObserverInstance = new window.ResizeObserver((entries)=>{
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if (!entries.length) return;
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onResize();
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});
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resizeObserverInstance.observe(element, {
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box: box
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});
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return ()=>{
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if (element) resizeObserverInstance.unobserve(element);
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};
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}
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}, [
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onResize,
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ref,
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box
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]);
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}
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//# sourceMappingURL=useResizeObserver.main.js.map
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