tsconfig.base.json

{
  "$schema": "https://json.schemastore.org/tsconfig",
  "compileOnSave": false,
  "compilerOptions": {
    "importsNotUsedAsValues": "error",
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "resolveJsonModule": true,
    "esModuleInterop": true,

    "lib": ["DOM", "DOM.Iterable", "ESNext", "ESNext.AsyncIterable"],
    "typeRoots": ["node_modules/@types"],
    "types": ["jest", "node"],
    "target": "ES2020",
    "module": "ESNext",
    "jsx": "react-jsx",
    "moduleResolution": "Node",

    "importHelpers": true,
    "inlineSourceMap": true,
    "skipDefaultLibCheck": true,

    "baseUrl": ".",
    "paths": {},

    "noEmit": true,
    "allowJs": true,
    "checkJs": true,

    "forceConsistentCasingInFileNames": true,
    "allowSyntheticDefaultImports": true,
    "noFallthroughCasesInSwitch": true,
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false
  },
  "exclude": ["node_modules", "tmp"]
}