tsconfig.json

{
  "compilerOptions": {
    // https://github.com/tsconfig/bases/blob/main/bases/node14.json
    "lib": ["es2020", "DOM"],
    "module": "ESNext", // for @rollup/plugin-typescript
    "target": "es2020",
    "moduleResolution": "node",
    // override extra strict rules
    "verbatimModuleSyntax": false,
    "exactOptionalPropertyTypes": false,
    "noPropertyAccessFromIndexSignature": false,
    "strictPropertyInitialization": false,
    // enable required features
    "allowSyntheticDefaultImports": true,
    "allowJs": true,
    // output
    "outDir": "./dist",
    // "noResolve": true, // Important: Otherwise TS would rewrite our ambient d.ts file locations (see: yarn copy-dts) :(
    "declaration": false,
    "sourceMap": true,
    "removeComments": false,
    "resolveJsonModule": true
  },
  "include": ["**/*.ts", "*.config.js", ".*rc.js"],
  "exclude": ["node_modules", "dist", "frontend"]
}