tsconfig.json

{
    "compilerOptions": {
        "noImplicitAny": true,
        "strictNullChecks": true,
        "strictFunctionTypes": true,
        "strictBindCallApply": true,
        "strictPropertyInitialization": true,
        "noImplicitThis": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        "inlineSourceMap": true,
        "inlineSources": true,
        "removeComments": true,
        "downlevelIteration": true,
        "target": "ES6",
        "useDefineForClassFields": true,
        "lib": ["DOM", "DOM.Iterable", "ESNext", "ES6", "WebWorker"],
        "allowJs": false,
        "skipLibCheck": true,
        "esModuleInterop": false,
        "allowSyntheticDefaultImports": true,
        "strict": true,
        "forceConsistentCasingInFileNames": true,
        "module": "ESNext",
        "moduleResolution": "Node",
        "resolveJsonModule": true,
        "isolatedModules": true,
        "noEmit": true,
        "jsx": "react-jsx",
        "types": [],
        "composite": true
    },
    "include": ["src", "src/assets/custom.d.ts"]
}