tsconfig.json

{
    "compilerOptions": {
        "baseUrl": "src",
        "outDir": "build",
        "module": "esnext",
        "target": "es5",
        "lib": ["esnext", "dom"],
        "sourceMap": true,
        "allowJs": true,
        "jsx": "react",
        "moduleResolution": "node",
        "rootDir": ".",
        "forceConsistentCasingInFileNames": true,
        "noImplicitReturns": true,
        "noImplicitThis": true,
        "noImplicitAny": true,
        "noUnusedLocals": false,
        "noUnusedParameters": false,
        "strictNullChecks": true,
        "importHelpers": true,
        "suppressImplicitAnyIndexErrors": true,
        "experimentalDecorators": true,
        "downlevelIteration": true,
        "allowSyntheticDefaultImports": true,
        "paths": {
            "@/*": ["*"]
        }
    },
    "include": ["src/**/*"],
    "exclude": ["node_modules", "dist", "build", "scripts", "mock"]
  }