tsconfig.json

// prettier-ignore
{
  "include": ["packages/*/src/**/*"],
  "compilerOptions": {
    "target": "ES5"                           /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
    "module": "ESNext"                        /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
    "lib": ["DOM", "ESNext"]                  /* Specify library files to be included in the compilation. */,
    "jsx": "react"                            /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
    "noEmit": true,                           /* Do not emit outputs. */
    "downlevelIteration": true,               /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. We use it for the Bezier returned value. */
    "strict": true                            /* Enable all strict type-checking options. */,
    "noUnusedLocals": true,                   /* Report errors on unused locals. */
    "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "baseUrl": "./",                          /* Base directory to resolve non-absolute module names. */
    "allowSyntheticDefaultImports": true      /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
    "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,
  }
}