tsconfig.base.json

{
  "compilerOptions": {
    "allowJs": false,
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "baseUrl": ".",
    "checkJs": false,
    "disableSizeLimit": false,
    "downlevelIteration": true,
    "esModuleInterop": true,
    "experimentalDecorators": false,
    "forceConsistentCasingInFileNames": false,
    "isolatedModules": false,
    "jsx": "react",
    "lib": ["es6", "dom", "esnext.asynciterable", "es2017"],
    "module": "commonjs",
    "noFallthroughCasesInSwitch": false,
    "noImplicitReturns": true,
    "noImplicitUseStrict": false,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "removeComments": false,
    "resolveJsonModule": false,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "suppressImplicitAnyIndexErrors": true,
    "target": "es5"
  },
  "exclude": ["node_modules", "dist", "webpack", "jest"]
}