tsconfig.base.json

{
  "compilerOptions": {
    // Target latest version of ECMAScript.
    "target": "es2020",
    // Search under node_modules for non-relative imports.
    "moduleResolution": "node",
    // Process & infer types from .js files.
    "allowJs": true,
    // Don't emit; allow Babel to transform files.
    "noEmit": true,
    // Enable strictest settings like strictNullChecks & noImplicitAny.
    "strict": true,
    // Import non-ES modules as default imports.
    "esModuleInterop": true,
    // Do not create bindings, rollup does that.
    "declaration": false,
    // Ensure that Babel can safely transpile files in the TypeScript project
    "isolatedModules": true,
    // Other configuration
    "lib": ["dom", "dom.iterable", "esnext"],
    "skipLibCheck": true,
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "noFallthroughCasesInSwitch": true,
    "module": "es2020",
    "resolveJsonModule": true,
    "jsx": "react-jsx",
    "plugins": [{ "name": "typescript-plugin-css-modules" }]
  },
  "exclude": ["node_modules/**/*"]
}