tsconfig.base.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "declaration": true,
    "lib": [
      "ES2015",
      "ES2016",
      "ES2017",
      "ES2018",
      "ES2019",
      "ES2020",
      "ESNext",
      "dom"
    ],
    "resolveJsonModule": true,
    "experimentalDecorators": false,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "target": "es6",
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": false,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "useUnknownInCatchVariables": false,
    "noUncheckedIndexedAccess": true,
    "emitDecoratorMetadata": false,
    "importHelpers": false,
    "skipLibCheck": true,
    "skipDefaultLibCheck": true,
    "allowJs": true,
    "rootDir": ".",
    "baseUrl": "./",
    "paths": {}
  },
  "exclude": [
    "./__tests__","node_modules", "lib", "types"]
}