@dnb/eufemia/extensions/forms/Wizard/hooks/useQueryLocator.js

DNB Eufemia Design System UI Library

import "core-js/modules/web.dom-collections.iterator.js";
import "core-js/modules/web.url.js";
import "core-js/modules/web.url.to-json.js";
import "core-js/modules/web.url-search-params.js";
import React, { useCallback } from 'react';
import useStep from './useStep';
const useLayoutEffect = typeof window === 'undefined' ? React.useEffect : React.useLayoutEffect;
export default function useQueryLocator() {
  let id = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : undefined;
  const {
    setFormError
  } = useStep(id);
  const name = id ? `${id}-step` : 'step';
  const onStepChange = useCallback(index => {
    try {
      const url = new URL(window.location.href);
      url.searchParams.set(name, String(index));
      window.history.pushState({}, '', url.toString());
    } catch (error) {
      setFormError(error);
    }
  }, [name, setFormError]);
  const {
    setActiveIndex
  } = useStep(id, {
    onStepChange
  });
  const getIndex = useCallback(() => {
    try {
      const searchParams = new URLSearchParams(window.location.search);
      return parseFloat(searchParams.get(name));
    } catch (error) {
      setFormError(error);
    }
  }, [name, setFormError]);
  useLayoutEffect(() => {
    try {
      const popstateListener = () => {
        const routerIndex = getIndex();
        if (!isNaN(routerIndex)) {
          setActiveIndex === null || setActiveIndex === void 0 ? void 0 : setActiveIndex(routerIndex, {
            skipStepChangeCallFromHook: true,
            skipStepChangeCallBeforeMounted: true
          });
        }
      };
      popstateListener();
      window.addEventListener('popstate', popstateListener);
      return () => window.removeEventListener('popstate', popstateListener);
    } catch (error) {
      setFormError(error);
    }
  }, [getIndex, id, setActiveIndex, setFormError]);
  return {
    getIndex
  };
}
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