withShareExtensionXcodeTarget.ts

import { ConfigPlugin, withXcodeProject } from '@expo/config-plugins';

import { getShareExtensionBundledIdentifier, shareExtensionName } from './constants';
import {
  getShareExtensionEntitlementsFilePath,
  getShareExtensionInfoFilePath,
  getShareExtensionStoryboardFilePath,
  getShareExtensionViewControllerPath,
  writeShareExtensionFiles,
} from './writeShareExtensionFiles';

export const withShareExtensionXcodeTarget: ConfigPlugin = (config) => {
  return withXcodeProject(config, async (config) => {
    const extensionName = shareExtensionName;
    const platformProjectRoot = config.modRequest.platformProjectRoot;
    const scheme = config.scheme!;
    const appIdentifier = config.ios?.bundleIdentifier!;
    const shareExtensionIdentifier = getShareExtensionBundledIdentifier(appIdentifier);
    const currentProjectVersion = config.ios!.buildNumber || '1';
    const marketingVersion = config.version!;

    const infoPlistFilePath = getShareExtensionInfoFilePath(platformProjectRoot);
    const entitlementsFilePath = getShareExtensionEntitlementsFilePath(platformProjectRoot);
    const viewControllerFilePath = getShareExtensionViewControllerPath(platformProjectRoot);
    const storyboardFilePath = getShareExtensionStoryboardFilePath(platformProjectRoot);

    await writeShareExtensionFiles(platformProjectRoot, scheme, appIdentifier);

    const pbxProject = config.modResults;

    const target = pbxProject.addTarget(extensionName, 'app_extension', extensionName);

    // Add a new PBXSourcesBuildPhase for our ShareViewController
    // (we can't add it to the existing one because an extension is kind of an extra app)
    pbxProject.addBuildPhase([], 'PBXSourcesBuildPhase', 'Sources', target.uuid);

    // Add a new PBXResourcesBuildPhase for the Resources used by the Share Extension
    // (MainInterface.storyboard)
    pbxProject.addBuildPhase([], 'PBXResourcesBuildPhase', 'Resources', target.uuid);

    // Create a separate PBXGroup for the shareExtension's files
    const pbxGroupKey = pbxProject.pbxCreateGroup(extensionName, extensionName);

    // Add files which are not part of any build phase (plist)
    pbxProject.addFile(infoPlistFilePath, pbxGroupKey);

    // Add source files to our PbxGroup and our newly created PBXSourcesBuildPhase
    pbxProject.addSourceFile(viewControllerFilePath, { target: target.uuid }, pbxGroupKey);

    //  Add the resource file and include it into the target PbxResourcesBuildPhase and PbxGroup
    pbxProject.addResourceFile(storyboardFilePath, { target: target.uuid }, pbxGroupKey);

    var configurations = pbxProject.pbxXCBuildConfigurationSection();
    for (var key in configurations) {
      if (typeof configurations[key].buildSettings !== 'undefined') {
        var buildSettingsObj = configurations[key].buildSettings;
        if (
          typeof buildSettingsObj['PRODUCT_NAME'] !== 'undefined' &&
          buildSettingsObj['PRODUCT_NAME'] === `"${extensionName}"`
        ) {
          buildSettingsObj['CLANG_ENABLE_MODULES'] = 'YES';
          buildSettingsObj['INFOPLIST_FILE'] = `"${infoPlistFilePath}"`;
          buildSettingsObj['CODE_SIGN_ENTITLEMENTS'] = `"${entitlementsFilePath}"`;
          buildSettingsObj['CODE_SIGN_STYLE'] = 'Automatic';
          buildSettingsObj['CURRENT_PROJECT_VERSION'] = `"${currentProjectVersion}"`;
          buildSettingsObj['GENERATE_INFOPLIST_FILE'] = 'YES';
          buildSettingsObj['MARKETING_VERSION'] = `"${marketingVersion}"`;
          buildSettingsObj['PRODUCT_BUNDLE_IDENTIFIER'] = `"${shareExtensionIdentifier}"`;
          buildSettingsObj['SWIFT_EMIT_LOC_STRINGS'] = 'YES';
          buildSettingsObj['SWIFT_VERSION'] = '5.0';
          buildSettingsObj['TARGETED_DEVICE_FAMILY'] = `"1,2"`;
        }
      }
    }

    return config;
  });
};