Is there a way to extend the supported languages/grammars in Visual Studio Code? I\'d like to add a custom language syntax, but I\'ve not been able to find any information o
To extend Wosi's .tmLanguage answer, using a .tmLanguage file is optional. Using a regular .json is a perfectly valid and—in my opinion—better readable alternative.
For an example, see VSCode_SQF: sqf.json
Inside the package.json, you would only need to change the path from ./syntaxes/mylang.tmLanguage to ./syntaxes/mylang.json.