message: switch to simple strict flag for tsconfig
diff: "experimentalDecorators": true,
  "removeComments": false,
  "isolatedModules": true,
  - "noImplicitAny": true,
  - "strictNullChecks": true,
  + "strict": true,
  "noUnusedParameters": true,
  "noUnusedLocals": true,
  - "noImplicitThis": true,
  "allowJs": true,
  "skipLibCheck": true,
  "sourceMap": true,
  