tsconfig.json

{
  "compilerOptions": {
    /* Project */
    "composite": true,
    "incremental": true,

    /* Language and Environment */
    "target": "ES6",
    "lib": ["DOM", "ES2021"],
    "jsx": "react-jsx",

    /* Modules */
    "module": "esnext",
    "rootDir": ".",
    "isolatedModules": true,
    "moduleResolution": "node",
    "resolveJsonModule": true,

    /* Emit */
    "noEmit": true,
    "sourceMap": true,
    "importsNotUsedAsValues": "error",

    /* Interop Constraints */
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,

    /* Type Checking */
    "strict": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": false, // Rule is annoying with CSS Modules
    "noUncheckedIndexedAccess": true,
    "allowUnreachableCode": false,

    /* Completeness */
    "skipDefaultLibCheck": true,
    "skipLibCheck": true,
    "allowJs": false
  },
  "include": ["static.d.ts", "src", "tests"]
}