tsconfig.json

{
  "$schema": "https://json.schemastore.org/tsconfig",
  "display": "Create React App",
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "dist/**/*"
  ],
  "compilerOptions": {
    "experimentalDecorators": true,
    "target": "ESNext",
    "checkJs": true,
    "lib": ["dom", "dom.iterable", "esnext"],
    "baseUrl": ".",
    "paths": { "@/*": ["src/*"] },
    "allowJs": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "sourceMap": true,
    "jsx": "react",
    // Allow for ES5 style iterations and spread operators
    "downlevelIteration": true,

    // Make TypeScript very strict
    "strict": true,
    "allowUnreachableCode": false,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true
    // "noUncheckedIndexedAccess": true
  }
}