The file JavaScript.tmLanguage.json is derived from TypeScriptReact.tmLanguage.

To update to the latest version:

• cd extensions/typescript-basics and run npm run update-grammars

• don't forget to run the integration tests at ./scripts/test-integration.sh

The script does the following changes:

• fileTypes .tsx -> .js & .jsx

• scopeName scope.tsx -> scope.js

• update all rule names .tsx -> .js