tsconfig.base.json

{
  "compilerOptions": {
    /* Type-Checking */
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "forceConsistentCasingInFileNames": true,
    "checkJs": true,
    "allowJs": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    /* Other */
    "experimentalDecorators": true,
    "useDefineForClassFields": false,
    "declaration": true,
    "declarationDir": "dist",
    "declarationMap": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "sourceMap": true,
    "target": "ESNExt",
    "allowSyntheticDefaultImports": true,
    "isolatedModules": true,
    "lib": ["DOM", "DOM.Iterable", "ESNext"],
    "composite": true
  }
}