tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "removeComments": true,                /* Do not emit comments to output. */
    "strict": true,                        /* Enable all strict type-checking options. */
    "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,              /* Enable strict null checks. */
    "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
    "noUnusedLocals": true,                /* Report errors on unused locals. */
    "allowUnusedLabels": false,
    "noUnusedParameters": true,            /* Report errors on unused parameters. */
    "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
    "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "esModuleInterop": true,               /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "inlineSourceMap": false,              /* Emit a single file with source maps instead of having a separate file. */
    "experimentalDecorators": true,
    "pretty": true,
    "allowUnreachableCode": false,
    "forceConsistentCasingInFileNames": true,
    "allowSyntheticDefaultImports": true,
    "strictBindCallApply": true,
    "downlevelIteration": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "target": "es2019",
    "rootDir": "typescript",
    "outDir": "dist"
  },
  "exclude": [
    "node_modules",
    "dist",
    "tests"
  ]
}