tsconfig.json

{
  "compileOnSave": true,
  "compilerOptions": {
    "target": "esnext",
    "strict": true,
    "noImplicitAny": false,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "jsx": "react",
    "charset": "utf8",
    "allowJs": false,
    "pretty": true,
    "noEmitOnError": false,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "strictPropertyInitialization": false,
    "noFallthroughCasesInSwitch": true,
    "skipLibCheck": true,
    "skipDefaultLibCheck": true,
    "sourceMap": true,
    "importHelpers": true,
    "esModuleInterop": true,
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "baseUrl": ".",
    "paths": {
      "@assets/*": ["app/assets/*"]
    }
  }
}