Stuck on an issue?

I try to build the plugin with

vsce package

Executing prepublish script 'npm run vscode:prepublish'...
 ERROR  Command failed: npm run vscode:prepublish
warning dance@0.1.0: The engine "vscode" appears to be invalid.
/bin/sh: ts-node: command not found
error Command failed with exit code 127.
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! dance@0.1.0 vscode:prepublish: `yarn run generate && yarn run compile`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the dance@0.1.0 vscode:prepublish script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/jjk/.npm/_logs/2019-06-17T12_21_36_192Z-debug.log

Any ideas on what might be the problem?