@dnb/eufemia/es/extensions/forms/hooks/useDataContext.js

DNB Eufemia Design System UI Library

"use client";

import { useCallback, useContext } from 'react';
import { createReferenceKey, useSharedState } from "../../../shared/helpers/useSharedState.js";
import DataContext from "../DataContext/Context.js";
export default function useDataContext(id = undefined) {
  const {
    get
  } = useSharedState(createReferenceKey(id, 'data-context'));
  const dataContext = useContext(DataContext);
  const getContext = useCallback(() => {
    if (!id) {
      if (!dataContext.hasContext) {
        throw new Error('useDataContext needs to run inside DataContext (Form.Handler) or have a valid id');
      } else {
        return dataContext;
      }
    }
    return get();
  }, [dataContext, id, get]);
  return {
    getContext,
    dataContext
  };
}
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