tsconfig.json

{
  "compilerOptions": {
    "target": "es2019", // Node.js v12 config based on community repo https://github.com/tsconfig/bases#node-12-tsconfigjson
    "lib": ["es2019", "es2020.promise", "es2020.bigint", "es2020.string"], // Official target mapping https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping
    "module": "commonjs",
    "outDir": "lib",
    "declaration": true,
    "moduleResolution": "node",
    "esModuleInterop": true,
    "isolatedModules": true,
    "skipLibCheck": true,
    "allowSyntheticDefaultImports": false,
    "forceConsistentCasingInFileNames": true,
    "importsNotUsedAsValues": "remove",
    "removeComments": true,
    "noEmitOnError": true,
    "newLine": "lf",
    "strict": true
  },
  "include": ["src"],
  "exclude": ["src/**/*.test.*"]
}