index.mjs
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// packages/react/use-size/src/useSize.tsx
import * as React from "react";
import { useLayoutEffect } from "@radix-ui/react-use-layout-effect";
function useSize(element) {
const [size, setSize] = React.useState(void 0);
useLayoutEffect(() => {
if (element) {
setSize({ width: element.offsetWidth, height: element.offsetHeight });
const resizeObserver = new ResizeObserver((entries) => {
if (!Array.isArray(entries)) {
return;
}
if (!entries.length) {
return;
}
const entry = entries[0];
let width;
let height;
if ("borderBoxSize" in entry) {
const borderSizeEntry = entry["borderBoxSize"];
const borderSize = Array.isArray(borderSizeEntry) ? borderSizeEntry[0] : borderSizeEntry;
width = borderSize["inlineSize"];
height = borderSize["blockSize"];
} else {
width = element.offsetWidth;
height = element.offsetHeight;
}
setSize({ width, height });
});
resizeObserver.observe(element, { box: "border-box" });
return () => resizeObserver.unobserve(element);
} else {
setSize(void 0);
}
}, [element]);
return size;
}
export {
useSize
};
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