@dnb/eufemia/es/extensions/forms/Wizard/Container/PrerenderFieldPropsOfOtherSteps.js

DNB Eufemia Design System UI Library

"use client";

import React, { useCallback, useContext, useEffect, useReducer, useRef } from 'react';
import ReactDOM from 'react-dom';
import DataContext, { defaultContextState } from "../../DataContext/Context.js";
import WizardContext from "../Context/WizardContext.js";
import useEventListener from "../../DataContext/Provider/useEventListener.js";
export function PrerenderFieldPropsOfOtherSteps({
  prerenderFieldPropsRef,
  stepsRef
}) {
  const {
    activeIndex
  } = useContext(WizardContext) || {};
  const {
    renderContent,
    hasRenderedRef
  } = usePrerenderState();
  usePreventSubmit();
  return React.createElement(PrerenderPortal, null, React.createElement(PrerenderFieldPropsProvider, {
    showAllErrorsNow: hasRenderedRef.current === null
  }, React.createElement("iframe", {
    title: "Wizard Prerender",
    hidden: true
  }, renderContent && Object.values(prerenderFieldPropsRef.current).map(({
    index,
    fn: Fn
  }) => {
    if (activeIndex === index) {
      return null;
    }
    const step = stepsRef.current.get(index);
    if (step?.keepInDOM === true) {
      return null;
    }
    return React.createElement(Fn, {
      key: index
    });
  }))));
}
function usePrerenderState() {
  const [, forceUpdate] = useReducer(() => ({}), {});
  let renderContent = true;
  const hasRenderedRef = useRef(false);
  const handleBeforeSubmit = useCallback(() => {
    hasRenderedRef.current = null;
    forceUpdate();
  }, []);
  useEventListener('onBeforeSubmit', handleBeforeSubmit);
  const state = hasRenderedRef.current;
  useEffect(() => {
    if (hasRenderedRef.current === null) {
      hasRenderedRef.current = true;
      forceUpdate();
    }
  }, [state]);
  if (hasRenderedRef.current) {
    renderContent = false;
  }
  if (hasRenderedRef.current !== null) {
    hasRenderedRef.current = true;
  }
  return {
    renderContent,
    hasRenderedRef
  };
}
function useEffectPromise() {
  const promiseRef = useRef();
  const resolveRef = useRef();
  const effectPromise = useCallback(() => {
    promiseRef.current = new Promise(resolve => {
      resolveRef.current = resolve;
    });
    return promiseRef.current;
  }, []);
  useEffect(() => {
    if (resolveRef.current) {
      resolveRef.current?.();
      resolveRef.current = null;
    }
  });
  return effectPromise;
}
function usePreventSubmit() {
  const {
    setFieldEventListener
  } = useContext(DataContext);
  const {
    hasInvalidStepsState
  } = useContext(WizardContext) || {};
  const effectPromise = useEffectPromise();
  const hasUnknownSteps = hasInvalidStepsState(undefined, ['unknown']);
  const handleSubmit = useCallback(async ({
    preventSubmit
  }) => {
    if (hasUnknownSteps) {
      await effectPromise();
    }
    if (hasInvalidStepsState(undefined, ['error'])) {
      return preventSubmit();
    }
  }, [hasUnknownSteps, hasInvalidStepsState, effectPromise]);
  if (hasUnknownSteps) {
    setFieldEventListener?.(undefined, 'onSubmit', handleSubmit);
  }
  useEffect(() => {
    return () => {
      setFieldEventListener?.(undefined, 'onSubmit', handleSubmit, {
        remove: true
      });
    };
  }, [handleSubmit, setFieldEventListener]);
}
function PrerenderPortal({
  children
}) {
  if (typeof document !== 'undefined') {
    return ReactDOM.createPortal(children, document.body);
  }
}
function PrerenderFieldPropsProvider({
  showAllErrorsNow,
  children
}) {
  const dataContext = useContext(DataContext);
  const {
    data,
    internalDataRef,
    setFieldInternals,
    updateDataValue,
    showAllErrors
  } = dataContext || {};
  if (showAllErrorsNow) {
    return React.createElement(DataContext.Provider, {
      value: {
        ...dataContext,
        hasContext: true,
        prerenderFieldProps: true,
        showAllErrors: showAllErrorsNow ? true : showAllErrors
      }
    }, children);
  }
  return React.createElement(DataContext.Provider, {
    value: {
      ...defaultContextState,
      hasContext: true,
      prerenderFieldProps: true,
      data,
      internalDataRef,
      setFieldInternals,
      updateDataValue
    }
  }, children);
}
//# sourceMappingURL=PrerenderFieldPropsOfOtherSteps.js.map