tsconfig.json

{
  "compilerOptions": {
    "noEmit": true,
    "sourceMap": true,
    "declaration": false,
    "target": "ES2022",
    "module": "ES2022",
    "lib": ["ES2022", "dom"],
    "moduleResolution": "Bundler",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "verbatimModuleSyntax": true,
    "importHelpers": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,

    // Strictness options following.
    // I want the strictest possible TypeScript settings.
    // https://github.com/tsconfig/bases/blob/main/bases/strictest.json
    "allowJs": false,
    "forceConsistentCasingInFileNames": true,
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    // Just not this one because it's not really a strictness thing and I don't like it.
    "noPropertyAccessFromIndexSignature": false,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true
  }
}