@react-navigation/core/lib/module/useCurrentRender.js

Core utilities for building navigators

"use strict";

import * as React from 'react';
import { CurrentRenderContext } from "./CurrentRenderContext.js";
/**
 * Write the current options, so that server renderer can get current values
 * Mutating values like this is not safe in async mode, but it doesn't apply to SSR
 */
export function useCurrentRender({
  state,
  navigation,
  descriptors
}) {
  const current = React.useContext(CurrentRenderContext);
  if (current && navigation.isFocused()) {
    current.options = descriptors[state.routes[state.index].key].options;
  }
}
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