framework/js-packages/tsconfig/tsconfig.json

{
  "compilerOptions": {
    "allowUmdGlobalAccess": true,
    "sourceMap": true,
    "strict": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "declaration": true,
    "emitDeclarationOnly": true,
    "module": "es2015",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "esModuleInterop": true,
    "moduleResolution": "Node",
    "target": "es6",
    "jsx": "preserve",
    "allowJs": true,
    "lib": ["dom", "es5", "es2015", "es2016", "es2017", "es2018", "es2019.array"],
    "allowSyntheticDefaultImports": true
  }
}