expo-router/plugin/src/index.ts

Expo Router is a file-based router for React Native and web applications.

import { ConfigPlugin, withInfoPlist } from 'expo/config-plugins';
import { validate } from 'schema-utils';

const schema = require('../options.json');

const withExpoHeadIos: ConfigPlugin = (config) => {
  return withInfoPlist(config, (config) => {
    // TODO: Add a way to enable this...
    // config.modResults.CoreSpotlightContinuation = true;

    // $(PRODUCT_BUNDLE_IDENTIFIER).expo.index_route
    if (!Array.isArray(config.modResults.NSUserActivityTypes)) {
      config.modResults.NSUserActivityTypes = [];
    }
    // This ensures that stored `NSUserActivityType`s can be opened in-app.
    // This is important for moving between native devices or from opening a link that was saved
    // in a Quick Note or Siri Reminder.
    const activityType = '$(PRODUCT_BUNDLE_IDENTIFIER).expo.index_route';
    if (!config.modResults.NSUserActivityTypes.includes(activityType)) {
      config.modResults.NSUserActivityTypes.push(activityType);
    }
    return config;
  });
};

const withRouter: ConfigPlugin<
  {
    /** Production origin URL where assets in the public folder are hosted. The fetch function is polyfilled to support relative requests from this origin in production, development origin is inferred using the Expo CLI development server. */
    origin?: string;
    /** A more specific origin URL used in the `expo-router/head` module for iOS handoff. Defaults to `origin`. */
    headOrigin?: string;
    /** Should Async Routes be enabled. `production` is currently web-only and will be disabled on native. */
    root?: string;
    /** Should Async Routes be enabled, currently only `development` is supported. */
    asyncRoutes?: string | { android?: string; ios?: string; web?: string; default?: string };
    /** Should the sitemap be generated. Defaults to `true` */
    sitemap?: boolean;
    /** Generate partial typed routes */
    partialTypedGroups?: boolean;
  } | void
> = (config, _props) => {
  const props = _props || {};
  validate(schema, props);

  withExpoHeadIos(config);

  return {
    ...config,
    extra: {
      ...config.extra,
      router: {
        ...config.extra?.router,
        ...props,
      },
    },
  };
};

export default withRouter;