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initial support for expo config plugins
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‎packages/plugin-expo-config-plugins/README.md‎

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# plugin-expo-config-plugins
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This library was generated with [Nx](https://nx.dev).
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## Building
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Run `nx build plugin-expo-config-plugins` to build the library.
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## Running unit tests
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Run `nx test plugin-expo-config-plugins` to execute the unit tests via [Vitest](https://vitest.dev/).

‎packages/plugin-expo-config-plugins/eslint.config.js‎

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import baseConfig from '../../eslint.config.js';
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export default baseConfig;

‎packages/plugin-expo-config-plugins/package.json‎

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{
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"name": "@rnef/plugin-expo-config-plugins",
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"version": "0.2.0",
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"type": "module",
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"exports": {
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"types": "./dist/src/index.d.ts",
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"import": "./dist/src/index.js"
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},
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"files": [
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"dist",
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"src",
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"template"
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],
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"scripts": {
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"publish:npm": "npm publish --access restricted",
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"publish:verdaccio": "npm publish --registry http://localhost:4873 --userconfig ../../.npmrc"
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},
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"dependencies": {
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"@rnef/tools": "^0.2.0",
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"@expo/config-plugins": "^9.0.15",
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"tslib": "^2.3.0"
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},
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"devDependencies": {
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"@rnef/config": "^0.2.0"
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},
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"publishConfig": {
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"access": "restricted"
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}
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}

‎packages/plugin-expo-config-plugins/project.json‎

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{
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"name": "plugin-expo-config-plugins",
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"$schema": "../../node_modules/nx/schemas/project-schema.json",
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"sourceRoot": "packages/plugin-expo-config-plugins/src",
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"projectType": "library",
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"tags": [],
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"targets": {
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"build": {
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"executor": "@nx/js:tsc"
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}
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}
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}

‎packages/plugin-expo-config-plugins/src/__tests__/pluginExpoConfigPlugins.test.ts‎

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import { expect, test } from 'vitest';
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import { pluginExpoConfigPlugins } from '../lib/pluginExpoConfigPlugins.js';
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const pluginApi = {
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registerCommand: vi.fn(),
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getProjectRoot: vi.fn(),
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getReactNativePath: vi.fn(),
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getReactNativeVersion: vi.fn(),
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getPlatforms: vi.fn(),
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};
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test('plugin is called with correct arguments and returns its name and description', () => {
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const plugin = pluginExpoConfigPlugins()(pluginApi);
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expect(plugin).toMatchObject({
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name: 'plugin-expo-config-plugins',
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description: 'RNEF plugin for Expo Config Plugins.',
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});
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});

‎packages/plugin-expo-config-plugins/src/index.ts‎

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export * from './lib/pluginExpoConfigPlugins.js';

‎packages/plugin-expo-config-plugins/src/lib/ExpoConfigPlugins.ts‎

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// '@expo/config-plugins' is a CommonJS module, which may not support all
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// module.exports as named exports. CommonJS modules can always be imported via
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// the default export.
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import ExpoConfigPlugins from "@expo/config-plugins";
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const { BaseMods, evalModsAsync, withPlugins } = ExpoConfigPlugins;
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export { BaseMods, evalModsAsync, withPlugins };

‎packages/plugin-expo-config-plugins/src/lib/apply.ts‎

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import * as fs from 'node:fs/promises';
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import { withPlugins } from './ExpoConfigPlugins.js';
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import { compileModsAsync } from './plugins/modCompiler.js';
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import { withInternal } from './plugins/withInternal.js';
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import type { ProjectInfo } from './types.js';
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/**
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* Applies config plugins.
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*/
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export async function applyConfigPlugins({
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appJsonPath,
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...info
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}: ProjectInfo) {
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if (!appJsonPath) {
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return;
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}
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const content = await fs.readFile(appJsonPath, { encoding: 'utf-8' });
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const { plugins, ...config } = JSON.parse(content);
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if (!Array.isArray(plugins) || plugins.length === 0) {
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return;
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}
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console.log(withPlugins(withInternal(config, info), plugins));
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return compileModsAsync(
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withPlugins(withInternal(config, info), plugins),
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info
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);
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}

‎packages/plugin-expo-config-plugins/src/lib/pluginExpoConfigPlugins.ts‎

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import fs from 'node:fs';
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import path from 'node:path';
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import type { PluginApi, PluginOutput } from '@rnef/config';
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import { applyConfigPlugins } from './apply.js';
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import type { ProjectInfo } from './types.js';
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type ConfigPluginsArgs = {
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platforms: string[];
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};
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export const pluginExpoConfigPlugins =
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() =>
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(api: PluginApi): PluginOutput => {
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api.registerCommand({
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name: 'apply-config-plugins',
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description: 'Starts Metro dev server.',
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action: async (args: ConfigPluginsArgs) => {
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const packageJsonPath = path.join(api.getProjectRoot(), 'package.json');
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const content = fs.readFileSync(packageJsonPath, 'utf-8');
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if (!content.includes('"@expo/config-plugins"')) {
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return;
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}
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applyConfigPlugins({
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projectRoot: api.getProjectRoot(),
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platforms: args.platforms as ProjectInfo['platforms'],
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packageJsonPath,
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appJsonPath: path.join(api.getProjectRoot(), 'app.json'),
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});
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},
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options: [
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{
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name: '--platforms <list>',
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description: 'Platforms to apply config plugins',
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parse: (val: string) => val.split(','),
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},
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],
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});
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return {
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name: 'plugin-expo-config-plugins',
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description: 'RNEF plugin for Expo Config Plugins.',
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};
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};
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export default pluginExpoConfigPlugins;

‎packages/plugin-expo-config-plugins/src/lib/plugins/cocoaBaseMods.ts‎

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import { BaseMods } from '../ExpoConfigPlugins.js';
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import { makeNullProvider } from '../provider.js';
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import type { CustomModProvider, IosModFileProviders } from '../types.js';
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export function createModFileProviders(
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modifyFilePath: CustomModProvider
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): IosModFileProviders {
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const nullProvider = makeNullProvider();
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// https://github.com/expo/expo/blob/sdk-51/packages/%40expo/config-plugins/src/plugins/withIosBaseMods.ts
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const expoProviders = BaseMods.getIosModFileProviders();
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const defaultProviders: IosModFileProviders = {
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dangerous: expoProviders.dangerous,
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finalized: expoProviders.finalized,
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appDelegate: modifyFilePath(
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expoProviders.appDelegate,
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// @todo rewrite template finding and copying logic
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'App76/AppDelegate.swift'
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),
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// @ts-expect-error todo fix
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expoPlist: nullProvider,
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xcodeproj: modifyFilePath(
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expoProviders.xcodeproj,
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// @todo rewrite template finding and copying logic
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'App76.xcodeproj/project.pbxproj'
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),
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infoPlist: modifyFilePath(expoProviders.infoPlist, 'Info.plist'),
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// @ts-expect-error todo fix
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entitlements: nullProvider,
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// @ts-expect-error todo fix
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podfile: makeNullProvider({
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path: '',
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language: /** @type {const} */ 'rb',
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contents: '',
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}),
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// @ts-expect-error todo fix
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podfileProperties: makeNullProvider(),
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};
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return defaultProviders;
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}

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