@react-navigation/native/lib/module/useLinkBuilder.js

import * as React from 'react';
import { NavigationHelpersContext, getPathFromState } from '@react-navigation/core';
import LinkingContext from './LinkingContext';

const getRootStateForNavigate = (navigation, state) => {
  const parent = navigation.dangerouslyGetParent();

  if (parent) {
    const parentState = parent.dangerouslyGetState();
    return getRootStateForNavigate(parent, {
      index: 0,
      routes: [{ ...parentState.routes[parentState.index],
        state: state
      }]
    });
  }

  return state;
};
/**
 * Build destination link for a navigate action.
 * Useful for showing anchor tags on the web for buttons that perform navigation.
 */


export default function useLinkBuilder() {
  const navigation = React.useContext(NavigationHelpersContext);
  const linking = React.useContext(LinkingContext);
  const buildLink = React.useCallback((name, params) => {
    const {
      options
    } = linking;

    if ((options === null || options === void 0 ? void 0 : options.enabled) === false) {
      return undefined;
    }

    const state = navigation ? getRootStateForNavigate(navigation, {
      index: 0,
      routes: [{
        name,
        params
      }]
    }) : // If we couldn't find a navigation object in context, we're at root
    // So we'll construct a basic state object to use
    {
      index: 0,
      routes: [{
        name,
        params
      }]
    };
    const path = options !== null && options !== void 0 && options.getPathFromState ? options.getPathFromState(state, options === null || options === void 0 ? void 0 : options.config) : getPathFromState(state, options === null || options === void 0 ? void 0 : options.config);
    return path;
  }, [linking, navigation]);
  return buildLink;
}
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