Cannot run Ampersand compiler using Ctrl-Shift-B in version 0.2.9 about ampersand-language-support HOT 6 CLOSED

> Executing task in folder extensions: npm run compile <


> [email protected] compile c:\Users\joostenhjm\.vscode\extensions\ampersandtarski.language-ampersand-0.2.11
> tsc -watch -p ./

'tsc' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] compile: `tsc -watch -p ./`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] compile script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\joostenhjm\AppData\Roaming\npm-cache\_logs\2018-08-12T11_19_23_055Z-debug.log
The terminal process terminated with exit code: 1

Terminal will be reused by tasks, press any key to close it.

npm install -g typescript

> [email protected] compile c:\Users\joostenhjm\.vscode\extensions\ampersandtarski.language-ampersand-0.2.11
> tsc -watch -p ./

error TS5057: Cannot find a tsconfig.json file at the specified directory: './'.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] compile: `tsc -watch -p ./`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] compile script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\joostenhjm\AppData\Roaming\npm-cache\_logs\2018-08-12T12_07_18_343Z-debug.log
The terminal process terminated with exit code: 1

Terminal will be reused by tasks, press any key to close it.