tsconfig.json

{
  "include": ["src/**/*", "test/**/*", "./*.js"],
  "exclude": ["node_modules", "dist"],
  "compilerOptions": {
    "target": "ESNext",
    "module": "ESNext",
    "lib": ["ESNext"],
    "moduleResolution": "node",
    "outDir": "./dist",
    "declaration": true,
    "declarationMap": true,
    "sourceMap": true,
    "strict": true,
    "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "forceConsistentCasingInFileNames": true,
    "downlevelIteration": true,
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "types": ["jest"] /* Type declaration files to be included in compilation. */,
    "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
    "baseUrl": "./",
    "paths": {
      "*": ["src/@types/*"]
    }
  },
  "files": ["test/global.d.ts"]
}