Amazon Q for VS Code - Technology Stack

Languages & Runtimes

• TypeScript 5.0+ (primary language)
• JavaScript (generated SDK clients)
• Vue.js 3.3+ (webview components)
• Node.js (extension host)

VS Code Extension APIs

• Minimum VS Code version: 1.83.0
• Extension kind: workspace
• Activation: onStartupFinished, onUri, onCommand, onView

Build System

Package Manager

• npm 10.1.0+ with workspaces
• Monorepo structure with packages/* and plugins/*

Bundling

• Webpack 5.95+ for extension bundling
• esbuild-loader for fast TypeScript compilation
• Vue Loader for .vue single-file components
• Separate configs for Node.js and Web targets

TypeScript Configuration

• Strict mode enabled
• ES2022 target
• CommonJS module output

Key Dependencies

AWS SDKs

• @aws-sdk/* v3 clients (CloudFormation, Lambda, S3, etc.)
• @amzn/codewhisperer-streaming (generated)
• @amzn/amazon-q-developer-streaming-client (generated)

UI Framework

• @aws/mynah-ui 4.35+ (chat interface)
• Vue 3.3+ (webviews)
• @vscode/codicons (icons)

Language Server

• vscode-languageclient 9.0+
• @aws/language-server-runtimes

Testing

• Mocha 10.1+ (test runner)
• Sinon 14.0+ (mocking)
• c8 (code coverage)
• @vscode/test-electron (VS Code integration tests)

Code Quality

• ESLint 8.56+ with TypeScript parser
• Prettier 3.3+ (formatting)
• Husky 9.0+ (git hooks)
• Custom eslint-plugin-aws-toolkits

Development Commands

Build

npm run compile              # Full production build
npm run compileDev           # Development build with source maps
npm run watch                # Watch mode for development

Test

npm run test                 # Unit tests
npm run testE2E              # End-to-end tests
npm run testInteg            # Integration tests
npm run testWeb              # Web extension tests

Lint & Format

npm run lint                 # Run ESLint
npm run lintfix              # Auto-fix lint issues

Package

npm run package              # Create VSIX package
npm run vscode:prepublish    # Pre-publish build

Utilities

npm run clean                # Clean build artifacts
npm run reset                # Clean and reinstall dependencies
npm run generateTelemetry    # Generate telemetry types
npm run scan-licenses        # Generate license reports

Configuration Files

• tsconfig.json - TypeScript configuration
• .eslintrc.js - ESLint rules
• webpack.config.js - Webpack bundling
• .prettierignore - Prettier exclusions
• codecov.yml - Code coverage settings