masonic/dist/module/use-container-position.js

<hr> <div align="center"> <h1 align="center"> 🧱 masonic </h1>

import useLayoutEffect from "@react-hook/passive-layout-effect";
import * as React from "react";
/**
 * A hook for measuring the width of the grid container, as well as its distance
 * from the top of the document. These values are necessary to correctly calculate the number/width
 * of columns to render, as well as the number of rows to render.
 *
 * @param elementRef - A `ref` object created by `React.useRef()`. That ref should be provided to the
 *   `containerRef` property in `useMasonry()`.
 * @param deps - You can force this hook to recalculate the `offset` and `width` whenever this
 *   dependencies list changes. A common dependencies list might look like `[windowWidth, windowHeight]`,
 *   which would force the hook to recalculate any time the size of the browser `window` changed.
 */

export function useContainerPosition(elementRef, deps) {
  if (deps === void 0) {
    deps = emptyArr;
  }

  const [containerPosition, setContainerPosition] = React.useState({
    offset: 0,
    width: 0
  });
  useLayoutEffect(() => {
    const {
      current
    } = elementRef;

    if (current !== null) {
      let offset = 0;
      let el = current;

      do {
        offset += el.offsetTop || 0;
        el = el.offsetParent;
      } while (el);

      if (offset !== containerPosition.offset || current.offsetWidth !== containerPosition.width) {
        setContainerPosition({
          offset,
          width: current.offsetWidth
        });
      }
    } // eslint-disable-next-line react-hooks/exhaustive-deps

  }, deps);
  return containerPosition;
}
const emptyArr = [];