@dnb/eufemia/extensions/forms/Iterate/ItemNo/ItemNo.js

DNB Eufemia Design System UI Library

import React, { isValidElement, useMemo } from 'react';
import { useItem } from "../hooks/index.js";
import { convertJsxToString } from "../../../../shared/component-helper.js";
import withComponentMarkers from "../../../../shared/helpers/withComponentMarkers.js";
import { Fragment as _Fragment, jsx as _jsx } from "react/jsx-runtime";
function ItemNo({
  children
}) {
  const {
    index
  } = useItem();
  const processedChildren = useMemo(() => replaceItemNo(children, index), [children, index]);
  return _jsx(_Fragment, {
    children: processedChildren
  });
}
export function replaceItemNo(node, index) {
  if (node == null || node === false) {
    return node;
  }
  if (typeof node === 'string' && node.includes('{itemNo}')) {
    return node.replace('{itemNo}', String(index + 1));
  }
  if (Array.isArray(node)) {
    return node.map((n, i) => _jsx(React.Fragment, {
      children: replaceItemNo(n, index)
    }, i));
  }
  if (isValidElement(node)) {
    const {
      children: childProps,
      ...rest
    } = node.props || {};
    const nextChildren = replaceItemNo(childProps, index);
    return nextChildren === childProps ? node : React.createElement(node.type, rest, nextChildren);
  }
  const text = convertJsxToString(node);
  if (text && text.includes('{itemNo}')) {
    return replaceItemNo(text, index);
  }
  return node;
}
withComponentMarkers(ItemNo, {
  _supportsSpacingProps: false
});
export default ItemNo;
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