tsconfig.json

{
    "compilerOptions": {
        "baseUrl": ".",
        "moduleResolution": "node",
        "target": "es5",
        "jsx": "react",
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "sourceMap": true,
        "allowSyntheticDefaultImports": true,
        "noUnusedLocals": false,
        "noUnusedParameters": false,
        "strict": true,
        "importHelpers": true,
        "strictNullChecks": true,
        "keyofStringsOnly": true, // https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-29
        "strictPropertyInitialization": false,
        "lib": ["dom", "es6", "es2017.object"],
        "module": "esnext",
        "paths": {
            "src/*": ["./src/*"],
            "components/*": ["./src/components/*"],
            "pages/*": ["./src/components/pages/*"],
            "shared/*": ["./src/components/shared/*"],
            "constants": ["./src/constants"],
            // Fix "Duplicate identifier" errors caused by multiple dependencies fetching their own copies of type definitions.
            // We tell TypeScript which type definitions module to treat as the canonical one (instead of combining all of them).
            "react": ["./node_modules/@types/react/index"],
            "lodash/*": ["node_modules/@types/lodash-es/*"]
        }
    },
    "exclude": ["bin", "node_modules"]
}