feat: readFileSync

Author: AbigailDeng

src/index.js

@@ -10,15 +10,31 @@ import check from 'check-node-version';
 import { execSync } from 'child_process';
 import commands from './command/index.js';
 import RC from './rc/index.js';
-import { createRequire } from 'module'; // Bring in the ability to create the 'require' method
-const require = createRequire(import.meta.url); // construct the require method
-const pkg = require('../package.json');
+import { readFileSync } from 'fs';
+import { fileURLToPath } from 'url';
+import path from 'path';
 import { logger } from './utils/myLogger.js';
 import { userHomeDir } from './utils/userHomeDir.js';
 
 const minVersion = '10.9.0';
 
+export function getPackageJson() {
+  let dirname;
+  try {
+    // for test as we cannot use import.meta.url in Jest
+    dirname = __dirname;
+  } catch {
+    const __filename = fileURLToPath(import.meta.url);
+    dirname = path.dirname(__filename);
+  }
+  const filePath = path.resolve(dirname, '../package.json');
+  const data = readFileSync(filePath, 'utf-8');
+  const packageJson = JSON.parse(data);
+  return packageJson;
+}
+
 function init(options) {
+  const pkg = getPackageJson();
   const commander = new Command();
   // Configuration for test
   if (options?.exitOverride) {

test/index.test.js

@@ -3,9 +3,7 @@ import path from 'path';
 import check from 'check-node-version';
 import updateNotifier from 'update-notifier';
 import { logger } from '../src/utils/myLogger.js';
-import { createRequire } from 'module'; // Bring in the ability to create the 'require' method
-const require = createRequire(import.meta.url); // construct the require method
-const pkg = require('../package.json');
+import { getPackageJson } from '../src/index.js';
 
 const commandBin = path.resolve(__dirname, '../bin/aelf-command.js');
 
@@ -17,7 +15,18 @@ jest.mock('child_process', () => {
   };
 });
 jest.mock('../src/utils/myLogger.js');
+
+describe('test get packagon json', () => {
+  test('should return correct packagon json', () => {
+    const pkg = getPackageJson();
+    expect(pkg.name).toBe('aelf-command');
+  });
+});
 describe('test index', () => {
+  let pkg;
+  beforeEach(() => {
+    pkg = getPackageJson();
+  });
   afterEach(() => {
     // Restore any mocks
     jest.restoreAllMocks();