Merge pull request #47 from cloudbeds/fix/logger-and-parsing-tsconfig

Fix logging and parsing tsconfig

Author: steven-pribilinskiy

package-lock.json

@@ -9,9 +9,7 @@
     "url": "https://github.com/cloudbeds/webpack-module-federation-types-plugin.git"
   },
   "main": "dist/plugin.js",
-  "files": [
-    "dist"
-  ],
+  "files": ["dist"],
   "bin": {
     "make-federated-types": "dist/bin/make-federated-types.js",
     "download-federated-types": "dist/bin/download-federated-types.js"
@@ -37,7 +35,7 @@
     "@types/minimist": "^1.2.5",
     "@types/mkdirp": "^2.0.0",
     "@types/node": "^22.7.5",
-    "@vitest/coverage-v8": "^2.1.2",
+    "@vitest/coverage-istanbul": "^2.1.3",
     "simple-git-hooks": "^2.11.1",
     "tsx": "^4.19.1",
     "typescript": "^5.6.3",

package.json

@@ -0,0 +1,97 @@
+import { parentPort } from 'node:worker_threads';
+import { describe, expect, test, vi } from 'vitest';
+
+import { sendLog, workerLogger } from '../workerLogger';
+
+vi.mock('node:worker_threads', () => ({
+  parentPort: {
+    postMessage: vi.fn(),
+  },
+}));
+
+describe('workerLogger', () => {
+  const mockPostMessage = vi.mocked(parentPort?.postMessage);
+
+  test('sendLog handles various data types correctly', () => {
+    const testData = [
+      { a: 'b', c: { d: 'e' } },
+      null,
+      'c',
+      1,
+      ['a', 'b'],
+      undefined,
+      0,
+      true,
+      false,
+      () => 'anonymous function',
+      /test/,
+    ];
+
+    sendLog('info', testData);
+
+    expect(mockPostMessage).toHaveBeenCalledWith({
+      status: 'log',
+      level: 'info',
+      message: [
+        '{\n  "a": "b",\n  "c": {\n    "d": "e"\n  }\n}',
+        'null',
+        'c',
+        '1',
+        '[\n  "a",\n  "b"\n]',
+        '',
+        '0',
+        'true',
+        'false',
+        '() => "anonymous function"',
+        '/test/',
+      ].join(' '),
+    });
+  });
+
+  test('workerLogger methods call sendLog with correct level and data', () => {
+    const logMethods = ['error', 'warn', 'info', 'log', 'group', 'groupCollapsed'] as const;
+    const testData = ['Test message', { key: 'value' }, 42, true];
+
+    logMethods.forEach(method => {
+      workerLogger[method](...testData);
+      expect(mockPostMessage).toHaveBeenCalledWith({
+        status: 'log',
+        level: method,
+        message: 'Test message {\n  "key": "value"\n} 42 true',
+      });
+    });
+  });
+
+  test('workerLogger.groupEnd calls sendLog with empty array', () => {
+    workerLogger.groupEnd();
+    expect(mockPostMessage).toHaveBeenCalledWith({
+      status: 'log',
+      level: 'groupEnd',
+      message: '',
+    });
+  });
+
+  test('sendLog throws error on circular references', () => {
+    const circular: Dict = { a: 'circular' };
+    circular.self = circular;
+
+    expect(() => sendLog('info', [circular])).toThrow('Converting circular structure to JSON');
+
+    expect(mockPostMessage).not.toHaveBeenCalled();
+  });
+
+  test('sendLog handles deep nested objects and arrays', () => {
+    const deepNested = {
+      a: [1, { b: { c: [2, 3, { d: 4 }] } }],
+      e: { f: { g: { h: 5 } } },
+    };
+
+    sendLog('info', [deepNested]);
+
+    expect(mockPostMessage).toHaveBeenCalledWith({
+      status: 'log',
+      level: 'info',
+      message: JSON.stringify(deepNested, null, 2),
+    });
+  });
+});

src/compileTypes/__tests__/workerLogger.test.ts

@@ -54,8 +54,13 @@ export function compileTypes(
       ...getAllFilePaths(`./${dirGlobalTypes}`).filter(filePath => filePath.endsWith('.d.ts')),
     );
   }
-  logger.log('[compileTypes]: Including a set of root files in compilation');
-  logger.log(JSON.stringify(exposedFileNames, null, 2));
+
+  logger.groupCollapsed(
+    '[compileTypes]: Including a set of exposed modules in compilation',
+    `(${exposedFileNames.length} npm packages and root paths)`,
+  );
+  logger.log(exposedFileNames);
+  logger.groupEnd();
 
   const program = ts.createProgram(exposedFileNames, compilerOptions, host);
   const { diagnostics, emitSkipped } = program.emit();

src/compileTypes/compileTypes.ts

@@ -8,17 +8,19 @@ import type {
 } from './compileTypesWorker';
 
 let worker: Worker | null = null;
+let workerIndex = 0;
 
 export function compileTypesAsync(
   params: CompileTypesWorkerMessage,
   loggerHint = '',
 ): Promise<void> {
   const logger = getLogger();
+  workerIndex++;
 
   return new Promise((resolve, reject) => {
     if (worker) {
-      logger.log('Terminating existing worker process');
-      worker.terminate();
+      logger.log(`Terminating existing worker process #${workerIndex}`);
+      worker.postMessage({ type: 'exit' });
     }
 
     const workerPath = path.join(__dirname, 'compileTypesWorker.js');
@@ -27,17 +29,23 @@ export function compileTypesAsync(
     worker.on('message', (result: CompileTypesWorkerResultMessage) => {
       switch (result.status) {
         case 'log':
-          logger[result.level]('[Worker]:', result.message);
+          logger[result.level](`[Worker #${workerIndex}]:`, result.message);
           return;
         case 'success':
           resolve();
           break;
         case 'failure':
-          logger.warn('[Worker]: Failed to compile types for exposed modules.', loggerHint);
+          logger.warn(
+            `[Worker #${workerIndex}]: Failed to compile types for exposed modules.`,
+            loggerHint,
+          );
           reject(new Error('Failed to compile types for exposed modules.'));
           break;
         case 'error':
-          logger.warn('[Worker]: Error compiling types for exposed modules.', loggerHint);
+          logger.warn(
+            `[Worker #${workerIndex}]: Error compiling types for exposed modules.`,
+            loggerHint,
+          );
           reject(result.error);
           break;
       }
@@ -46,19 +54,18 @@ export function compileTypesAsync(
     });
 
     worker.on('error', error => {
-      logger.warn('[Worker]: Unexpected error.', loggerHint);
+      logger.warn(`[Worker #${workerIndex}]: Unexpected error.`, loggerHint);
       logger.log(error);
       reject(error);
       worker?.terminate();
       worker = null;
     });
 
     worker.on('exit', code => {
-      if (code === null || code === 0 || code === 1) {
-        logger.log(`[Worker]: Process exited with code ${code}`);
+      if (code === null || code === 0) {
         resolve();
       } else {
-        reject(new Error(`[Worker]: Process exited with code ${code}`));
+        reject(new Error(`[Worker #${workerIndex}]: Process exited with code ${code}`));
       }
       worker = null;
     });

src/compileTypes/compileTypesAsync.ts

@@ -1,15 +1,9 @@
 import { parentPort } from 'node:worker_threads';
 
-import type { Compilation } from 'webpack';
-import type { FederationConfig } from '../models';
+import type { FederationConfig, LogLevel } from '../models';
 import { type CompileTypesParams, compileTypes } from './compileTypes';
 import { rewritePathsWithExposedFederatedModules } from './rewritePathsWithExposedFederatedModules';
-import { sendLog, workerLogger } from './workerLogger';
-
-export type LogLevel = keyof Pick<
-  Compilation['logger'],
-  'log' | 'info' | 'warn' | 'error' | 'debug'
->;
+import { workerLogger } from './workerLogger';
 
 type CompileTypesWorkerResultMessageError = {
   status: 'error';
@@ -20,36 +14,48 @@ export type CompileTypesWorkerMessage = CompileTypesParams & {
   federationConfig: FederationConfig;
 };
 
+export type ExitMessage = {
+  type: 'exit';
+};
+
 export type CompileTypesWorkerResultMessage =
   | { status: 'success' }
   | { status: 'failure' }
   | CompileTypesWorkerResultMessageError
   | { status: 'log'; level: LogLevel; message: string };
 
-parentPort?.on('message', ({ federationConfig, ...params }: CompileTypesWorkerMessage) => {
+parentPort?.on('message', (message: CompileTypesWorkerMessage | ExitMessage) => {
+  if ((message as ExitMessage).type === 'exit') {
+    workerLogger.log('Exiting by request');
+    process.exit(0);
+  }
+
+  const { federationConfig, ...params } = message as CompileTypesWorkerMessage;
+
   try {
-    let startTime = performance.now();
+    const startTime = performance.now();
     const { isSuccess, typeDefinitions } = compileTypes(params, workerLogger);
 
     if (isSuccess) {
-      let endTime = performance.now();
-      let timeTakenInSeconds = (endTime - startTime) / 1000;
-      sendLog('log', `Types compilation completed in ${timeTakenInSeconds.toFixed(2)} seconds`);
+      const timeTakenInSeconds = ((performance.now() - startTime) / 1000).toFixed(2);
+      workerLogger.log(`Types compilation completed in ${timeTakenInSeconds} seconds`);
 
-      sendLog(
-        'log',
+      workerLogger.log(
         `Replacing paths with names of exposed federate modules in typings file: ${params.outFile}`,
       );
-      startTime = performance.now();
+      const rewriteStartTime = performance.now();
       rewritePathsWithExposedFederatedModules(
         federationConfig,
         params.outFile,
         typeDefinitions,
         workerLogger,
       );
-      endTime = performance.now();
-      timeTakenInSeconds = (endTime - startTime) / 1000;
-      sendLog('log', `Typings file rewritten in ${timeTakenInSeconds.toFixed(2)} seconds`);
+      const rewriteTimeTakenInSeconds = ((performance.now() - rewriteStartTime) / 1000).toFixed(2);
+      workerLogger.log(`Typings file rewritten in ${rewriteTimeTakenInSeconds} seconds`);
+
+      workerLogger.info(
+        `Types compilation and modification completed in ${timeTakenInSeconds} + ${rewriteTimeTakenInSeconds} seconds`,
+      );
 
       parentPort?.postMessage({ status: 'success' } satisfies CompileTypesWorkerResultMessage);
     } else {

src/compileTypes/compileTypesWorker.ts

@@ -7,6 +7,8 @@ import { includeTypesFromNodeModules } from '../includeTypesFromNodeModules';
 const mockLogger = {
   log: vi.fn(),
   warn: vi.fn(),
+  groupCollapsed: vi.fn(),
+  groupEnd: vi.fn(),
 };
 
 setLogger(mockLogger);
@@ -36,17 +38,14 @@ describe('includeTypesFromNodeModules', () => {
     ].join('\n');
 
     expect(result).toBe([initialTypings, moduleADeclaration, moduleBDeclaration].join('\n'));
-    expect(mockLogger.log).toHaveBeenCalledWith('Including typings for npm packages:');
-    expect(mockLogger.log).toHaveBeenCalledWith(
-      JSON.stringify(
-        [
-          ['ModuleA', 'libraryA'],
-          ['ModuleB', 'libraryB'],
-        ],
-        null,
-        2,
-      ),
+    expect(mockLogger.groupCollapsed).toHaveBeenCalledWith(
+      'Including typings for npm packages',
+      '(2 packages)',
     );
+    expect(mockLogger.log).toHaveBeenCalledWith([
+      ['ModuleA', 'libraryA'],
+      ['ModuleB', 'libraryB'],
+    ]);
   });
 
   test('does not modify typings when there are no NPM package paths', () => {

src/compileTypes/helpers/__tests__/includeTypesFromNodeModules.test.ts

@@ -6,6 +6,8 @@ import { substituteAliasedModules } from '../substituteAliasedModules';
 
 const mockLogger = {
   log: vi.fn(),
+  groupCollapsed: vi.fn(),
+  groupEnd: vi.fn(),
 };
 
 setLogger(mockLogger);
@@ -36,7 +38,6 @@ describe('substituteAliasedModules', () => {
     const result = substituteAliasedModules(federatedModuleName, originalTypings);
 
     expect(result).toBe(originalTypings);
-    expect(logger.log).toHaveBeenCalledWith('Unique import paths in myCommon:');
-    expect(logger.log).toHaveBeenCalledWith(JSON.stringify(['another/module'], null, 2));
+    expect(logger.log).toHaveBeenCalledWith('Found 1 import path in myCommon: another/module');
   });
 });

src/compileTypes/helpers/__tests__/substituteAliasedModules.test.ts

@@ -15,12 +15,22 @@ export function getTSConfigCompilerOptions(
     process.exit(1);
   }
 
-  const tsconfigJsonFile = ts.readJsonConfigFile(tsconfigPath, ts.sys.readFile);
-  const parsedConfig = ts.parseJsonSourceFileConfigFileContent(
-    tsconfigJsonFile,
-    ts.sys,
-    path.dirname(tsconfigPath),
-  );
+  if (ts.version.match(/^[5-9]\.([4-9]|[1-9]\d)/)) {
+    const tsconfigJsonFile = ts.readJsonConfigFile(tsconfigPath, ts.sys.readFile);
+    const parsedConfig = ts.parseJsonSourceFileConfigFileContent(
+      tsconfigJsonFile,
+      ts.sys,
+      path.dirname(tsconfigPath),
+    );
 
-  return parsedConfig.options;
+    logger.groupCollapsed(
+      `Parsed tsconfig compiler options for TypeScript >= 5.4 (current version: ${ts.version})`,
+    );
+    logger.log(parsedConfig.options);
+    logger.groupEnd();
+
+    return parsedConfig.options;
+  }
+
+  return require(tsconfigPath).compilerOptions;
 }

src/compileTypes/helpers/getTSConfigCompilerOptions.ts

@@ -26,17 +26,28 @@ export function includeTypesFromNodeModules(
     ].join('\n');
 
   if (exposedNpmPackages.length) {
-    logger.log('Including typings for npm packages:');
-    logger.log(JSON.stringify(exposedNpmPackages, null, 2));
+    if (exposedNpmPackages.length === 1) {
+      logger.log('Including typings for npm package', exposedNpmPackages[0]);
+    } else {
+      logger.groupCollapsed(
+        'Including typings for npm packages',
+        `(${exposedNpmPackages.length} packages)`,
+      );
+      logger.log(exposedNpmPackages);
+      logger.groupEnd();
+    }
   }
 
   try {
     exposedNpmPackages.forEach(([exposedModuleKey, packageName]) => {
       typingsWithNpmPackages += `\n${createNpmModule(exposedModuleKey, packageName)}`;
     });
   } catch (err) {
-    logger.warn(`Typings was not included for npm package: ${(err as Dict)?.url}`);
-    logger.log(JSON.stringify(err, null, 2));
+    const url = (err as Dict)?.url;
+    if (url) {
+      logger.warn(`Typings were not included for npm package: ${url}`);
+    }
+    logger.log(err);
   }
 
   return typingsWithNpmPackages;