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Testing

VS Code for Web

To run the extension in a local browser environment, see https://code.visualstudio.com/api/extension-guides/web-extensions#test-your-web-extension-in-a-browser-using-vscodetestweb

From the vscode directory, run:

npm start

To run from the repo root, you can pass the -w switch to npm:

 npm -w vscode start

This will open a Chromium browser hosting the VS Code for Web, with the extension loaded from disk, and serving the samples directory as an open workspace.

Integration tests

To run the integration tests, from the vscode folder, run:

npm test

This will run the integration tests in an instance of VS Code for the Web. See test/runTests.mjs and test/suite/index.ts for more details on how tests are discovered and run.

Debugging

To run a specific test suite under the debugger:

npm test -- --suite=language-service --waitForDebugger=1234

and attach a Chrome debugger (VS Code or Chrome/Edge Dev Tools) on port 1234.