tsconfig.json

{
  "compilerOptions": {
    "allowJs": false,
    "checkJs": false,
    "strict": true,
    "alwaysStrict": true,
    "target": "ES2019",
    "module": "commonJS",
    "moduleResolution": "node",
    "skipLibCheck": true,
    "lib": ["es2020"],
    // We don't make use of tslib helpers, all syntax used is supported by target engine
    "importHelpers": false,
    "noEmitHelpers": true,
    // Never emit error filled code
    "noEmitOnError": true,
    "outDir": "lib",
    "importsNotUsedAsValues": "error",
    // We want the sourcemaps in a separate file
    "inlineSourceMap": false,
    "sourceMap": true,
    // API-Extractor uses declaration maps to report problems in source, no need to distribute
    "declaration": true,
    "declarationMap": true,
    // we include sources in the release
    "inlineSources": false,
    // Prevents web types from being suggested by vscode.
    "types": ["node"],
    "forceConsistentCasingInFileNames": true
  },
  "ts-node": {
    "transpileOnly": true,
    "compiler": "typescript-cached-transpile"
  },
  "include": ["src/**/*"]
}