Fix instructions

Author: ntotten

.github/copilot-instructions.md

@@ -6,7 +6,7 @@ This is the official Prettier VS Code extension (`prettier.prettier-vscode`). It
 
 - Use `pnpm` as the package manager
 - Run `pnpm install` to install dependencies
-- Run `pnpm webpack` to build for development
+- Run `pnpm compile` to build for development
 - Run `pnpm test` to run tests (no VS Code instance can be running)
 - Run `pnpm lint` to check linting
 - Run `pnpm prettier` to format code
@@ -23,9 +23,9 @@ Core components:
 - `src/extension.ts` - Extension activation, creates ModuleResolver, PrettierEditService, and StatusBar
 - `src/PrettierEditService.ts` - Registers VS Code document formatting providers, handles format requests
 - `src/ModuleResolver.ts` - Resolves local/global Prettier installations, falls back to bundled Prettier
-- `src/PrettierInstance.ts` - Loads Prettier using dynamic `import()` (works with v2 and v3+)
+- `src/PrettierInstance.ts` - Interface for Prettier loading, with `PrettierMainThreadInstance` and `PrettierWorkerInstance` implementations
 
-Webpack produces two bundles:
+esbuild produces two bundles:
 
 - Node bundle (`dist/extension.js`) for desktop VS Code
 - Web bundle (`dist/web-extension.js`) for vscode.dev/browser
@@ -69,7 +69,7 @@ When reviewing pull requests, focus on:
 ### Performance
 
 - Avoid blocking the extension host main thread
-- Prettier is loaded asynchronously using dynamic `import()`
+- `PrettierWorkerInstance` runs Prettier in a worker thread to avoid blocking
 - Module and config resolution results are cached appropriately
 
 ### Browser Compatibility

.github/instructions/typescript.instructions.md

@@ -27,8 +27,8 @@ This is a VS Code extension. Follow these patterns:
 
 ## Prettier Integration
 
-- Support both Prettier v2 (CJS) and v3+ (ESM) via `PrettierModuleInstance`
-- Uses dynamic `import()` for ESM compatibility
+- Support both Prettier v2 and v3+ via `PrettierInstance` interface
+- `PrettierMainThreadInstance` loads directly, `PrettierWorkerInstance` uses worker thread
 - Module resolution: local install → global install → bundled Prettier
 - Handle `.prettierrc`, `.prettierignore`, and `package.json` prettier config
 

CLAUDE.md

@@ -86,10 +86,12 @@ Web tests are located in `src/test/web/suite/` and test the extension's browser
 - Caches resolved modules and configurations
 - Handles Workspace Trust restrictions
 
-**Prettier Instance** (`PrettierInstance.ts`):
+**Prettier Instance** (`PrettierInstance.ts`, `PrettierMainThreadInstance.ts`, `PrettierWorkerInstance.ts`):
 
-- `PrettierModuleInstance` loads Prettier using dynamic `import()` for ESM support
-- Works with both Prettier v2 (CJS) and v3+ (ESM)
+- `PrettierInstance` is an interface with two implementations
+- `PrettierMainThreadInstance` loads Prettier directly via `require()`
+- `PrettierWorkerInstance` loads Prettier in a worker thread to avoid blocking
+- Works with both Prettier v2 and v3+
 
 ### Bundling
 

CONTRIBUTING.md

@@ -25,7 +25,7 @@ Thank you for your interest in contributing to the Prettier VS Code extension! F
 
 3. Build the extension:
    ```bash
-   pnpm webpack
+   pnpm compile
    ```
 
 ## Development
@@ -34,9 +34,8 @@ Thank you for your interest in contributing to the Prettier VS Code extension! F
 
 ```bash
 pnpm install          # Install dependencies
-pnpm webpack          # Build for development
-pnpm webpack-dev      # Build and watch for changes
-pnpm watch            # TypeScript watch mode (without webpack)
+pnpm compile          # Build for development (esbuild + type checking)
+pnpm watch            # Build and watch for changes
 pnpm lint             # Run ESLint
 pnpm prettier         # Format code with Prettier
 pnpm test             # Run tests
@@ -46,7 +45,7 @@ pnpm test-compile     # Compile tests only
 ### Running the Extension
 
 1. Open this repository in VS Code
-2. Run `pnpm webpack` to build
+2. Run `pnpm compile` to build
 3. Press `F5` or go to Debug sidebar → "Run Extension"
 4. A new VS Code window will open with the extension loaded
 
@@ -92,7 +91,7 @@ Key components:
 
 - `PrettierEditService.ts` - Handles document formatting
 - `ModuleResolver.ts` - Resolves Prettier installations (local, global, or bundled)
-- `PrettierInstance.ts` - Loads and wraps Prettier using dynamic `import()` (works with v2 and v3+)
+- `PrettierInstance.ts` - Interface for Prettier, with `PrettierMainThreadInstance` and `PrettierWorkerInstance` implementations
 
 ## Submitting Changes