Refactor for AWS SDK Upgrade from v2 to v3

.circleci/config.yml

@@ -4,7 +4,7 @@ jobs:
   build:
     working_directory: ~/aws-lambda-graphql
     docker:
-      - image: circleci/node:10.17.0
+      - image: cimg/node:22.19.0
     steps:
       - checkout
       - run:

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### [Unreleased](https://github.com/michalkvasnicak/aws-lambda-graphql/compare/aws-lambda-graphql@1.0.0-alpha.24...HEAD)
 
+- Update AWS SDK to V3 and Babel configuration by [@pixelport](https://github.com/pixelport), see [#152](https://github.com/michalkvasnicak/aws-lambda-graphql/issues/152)
+
 ### [v1.0.0-alpha.24](https://github.com/michalkvasnicak/aws-lambda-graphql/compare/aws-lambda-graphql@1.0.0-alpha.23..aws-lambda-graphql@1.0.0-alpha.24) - 2021-12-21
 
 - Added visibility to DynamoDBEventProcessor by [@dorsev](https://github.com/dorsev), see [#158](https://github.com/michalkvasnicak/aws-lambda-graphql/pull/158)

babel.config.js

@@ -1,8 +1,17 @@
 module.exports = {
   presets: [
-    ['@babel/preset-env', { targets: { node: 'current' } }],
+    [
+      '@babel/preset-env',
+      {
+        targets: { node: 'current' },
+      },
+    ],
     '@babel/preset-react',
     '@babel/preset-typescript',
   ],
-  plugins: ['@babel/plugin-proposal-class-properties'],
+  plugins: [
+    '@babel/plugin-transform-class-properties',
+    '@babel/plugin-transform-private-methods',
+    '@babel/plugin-transform-class-static-block',
+  ],
 };

jest.config.js

@@ -1,3 +1,38 @@
 module.exports = {
   projects: ['packages/*'],
+  // Global configuration for Jest v29 and AWS SDK v3 compatibility
+  testEnvironment: 'node',
+  preset: 'ts-jest',
+  transform: {
+    '^.+\\.(ts|tsx)$': [
+      'ts-jest',
+      {
+        useESM: false,
+        tsconfig: {
+          target: 'es2020',
+          module: 'commonjs',
+          strict: false,
+          noImplicitAny: false,
+          strictNullChecks: false,
+        },
+      },
+    ],
+    '^.+\\.(js|jsx)$': 'babel-jest',
+  },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  extensionsToTreatAsEsm: [],
+  moduleNameMapper: {
+    // Map node: prefixed imports to their standard equivalents for Jest
+    '^node:(.*)$': '$1',
+    // Mock all AWS SDK v3 packages to use our mocks
+    '^@aws-sdk/(.*)$':
+      '<rootDir>/packages/aws-lambda-graphql/src/__mocks__/aws-sdk.ts',
+    '^@smithy/(.*)$':
+      '<rootDir>/packages/aws-lambda-graphql/src/__mocks__/aws-sdk.ts',
+  },
+  transformIgnorePatterns: [
+    // Allow transformation of AWS SDK packages if needed
+    'node_modules/(?!((@aws-sdk|@smithy)/.*\\.js$))',
+  ],
+  testPathIgnorePatterns: ['/node_modules/', '/dist/'],
 };

jest.setup.js

@@ -0,0 +1,66 @@
+/* eslint-disable */
+// Jest setup file to handle Node.js built-in modules and AWS SDK v3 compatibility
+
+// Mock Node.js built-in modules that cause issues with AWS SDK v3
+const mockNodeModules = {
+  stream: require('stream'),
+  util: require('util'),
+  crypto: require('crypto'),
+  fs: require('fs'),
+  path: require('path'),
+  url: require('url'),
+  buffer: require('buffer'),
+  events: require('events'),
+  process: require('process'),
+  os: require('os'),
+  querystring: require('querystring'),
+};
+
+// Override module resolution for node: prefixed imports
+const originalResolveFilename = require.resolve;
+require.resolve = function (id, options) {
+  if (id.startsWith('node:')) {
+    const moduleName = id.slice(5); // Remove 'node:' prefix
+    if (mockNodeModules[moduleName]) {
+      return moduleName;
+    }
+  }
+  return originalResolveFilename.call(this, id, options);
+};
+
+// Set up global mocks for problematic AWS SDK imports
+global.mockStream = mockNodeModules.stream;
+global.mockUtil = mockNodeModules.util;
+
+// Prevent AWS SDK from trying to access browser-specific globals
+global.window = undefined;
+global.document = undefined;
+
+// Mock crypto.webcrypto which AWS SDK v3 sometimes tries to access
+if (!global.crypto) {
+  global.crypto = mockNodeModules.crypto;
+}
+
+// Mock performance API that AWS SDK might use
+if (!global.performance) {
+  global.performance = {
+    now: () => Date.now(),
+    mark: () => {},
+    measure: () => {},
+  };
+}
+
+// Suppress console warnings from AWS SDK about missing browser APIs
+const originalConsoleWarn = console.warn;
+console.warn = (...args) => {
+  const message = args.join(' ');
+  if (
+    message.includes('AWS SDK') ||
+    message.includes('@aws-sdk') ||
+    message.includes('@smithy') ||
+    message.includes('node:')
+  ) {
+    return; // Suppress AWS SDK warnings
+  }
+  originalConsoleWarn.apply(console, args);
+};