tsconfig.json

{
    "compileOnSave": true,
    "compilerOptions": {
        "target": "es5",
        "removeComments": true,
        "preserveConstEnums": true,
        "sourceMap": true,
        "lib": ["es6", "dom"],
        "allowSyntheticDefaultImports": true,
        "resolveJsonModule": true,
        "strict": true /* Enable all strict type-checking options. */,
        "strictNullChecks": true /* Enable strict null checks. */,
        "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
        "noImplicitAny": true,
        "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
        "noUnusedLocals": true /* Report errors on unused locals. */,
        "noUnusedParameters": true /* Report errors on unused parameters. */,
        "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
        "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
        "jsx": "react",
        "outDir": "dist",
        "declaration": false,
        "allowJs": true,
        "skipLibCheck": true,
        "esModuleInterop": true,
        "forceConsistentCasingInFileNames": true,
        "module": "esnext",
        "moduleResolution": "node",
        "isolatedModules": true,
        "noEmit": true
    },
    "include": ["src/**/*"],
    "exclude": ["node_modules"]
}