@nx/expo/src/generators/application/lib/add-eas-scripts.js

The Expo Plugin for Nx contains executors and generators for managing and developing an expo application within your workspace. For example, you can directly build for different target platforms as well as generate projects and publish your code.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.addEasScripts = addEasScripts;
const postInstallScript = `
/**
 * This script is used to patch the '@nx/expo' package to work with EAS Build.
 * It is run as a eas-build-post-install script in the 'package.json' of expo app.
 * It is executed as 'node tools/scripts/eas-build-post-install.mjs <workspace root> <project root>'
 * It will create a symlink from the project's node_modules to the workspace's node_modules.
 */

import { symlink, existsSync } from 'fs';
import { join } from 'path';

const [workspaceRoot, projectRoot] = process.argv.slice(2);

if (existsSync(join(workspaceRoot, 'node_modules'))) {
  console.log('Symlink already exists');
  process.exit(0);
}

symlink(join(projectRoot, 'node_modules'), join(workspaceRoot, 'node_modules'), 'dir', (err) => {
  if (err) console.log(err);
  else {
    console.log('Symlink created');
  }
});
`;
function addEasScripts(tree) {
    const postInstallScriptPath = 'tools/scripts/eas-build-post-install.mjs';
    if (!tree.exists(postInstallScriptPath)) {
        tree.write(postInstallScriptPath, postInstallScript);
    }
}