tsconfig.json

{
    "compilerOptions": {
        "target": "ESNext",
        "lib": ["DOM", "DOM.Iterable", "ESNext"],
        "allowJs": true, // Allows existing JS files
        "skipLibCheck": true, // Speeds up build by skipping type checks on node_modules
        "esModuleInterop": true,
        "allowSyntheticDefaultImports": true,
        "strict": false, // You can enable this later for full type safety
        "forceConsistentCasingInFileNames": true,
        "noEmit": true, // Don't output compiled files, just type-check
        "module": "ESNext",
        "moduleResolution": "Node",
        "resolveJsonModule": true,
        "isolatedModules": true,
        "jsx": "react-jsx", // Use "react" if you're on React <17
        "noFallthroughCasesInSwitch": true,
        "typeRoots": ["./node_modules/@types", "./src"]
    },
    "include": ["src", "src/**/*.d.ts"],
    "exclude": ["node_modules"]
}