* First batch of strictNullChecks * Remove undefined * Check an alternative solution * Fix strict nullChecks * Low hanging strictNullChecks * Fixing strict nulls issues and more * Minor change * fixed unit test * Fix feedback * Update public/vendor/ansicolor/ansicolor.ts Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com> * Update public/vendor/ansicolor/ansicolor.ts Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com> * Update public/vendor/ansicolor/ansicolor.ts Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com> * Fix build errors
