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天文台pc/tianwentai-ui/node_modules/@radix-ui/react-use-size/dist/index.mjs 1.26 KB
bc518174   王天杨   提交两个项目文件
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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
  };
  //# sourceMappingURL=index.mjs.map