tsconfig-test.json

{
    "compilerOptions": {
        // Target latest version of ECMAScript.
        "target": "es5",
        // Search under node_modules for non-relative imports.
        "moduleResolution": "node",
        // Process & infer types from .js files.
        "allowJs": false,
        // Don't emit; allow Babel to transform files.
        "noEmit": false,
        // Enable strictest settings like strictNullChecks & noImplicitAny.
        "strict": false,
        // Disallow features that require cross-file information for emit.
        "isolatedModules": false,
        // Import non-ES modules as default imports.
        "esModuleInterop": true,
        //Support for jsx.
        "jsx": "react",
        // Check for "any" while converting to TS this can be turned off.
        "noImplicitAny": false,
        "module": "commonjs",
        "resolveJsonModule": true,
        "allowSyntheticDefaultImports": true
    },
    "include": ["src"]
}