tsconfig.json

{
    "compilerOptions": {
      "target": "esnext",
      "module": "esnext",
      "moduleResolution": "node",
      "resolveJsonModule": true,
      "esModuleInterop": true,
      "allowSyntheticDefaultImports": true,
      "allowJs": true,
      "importHelpers": true,
      "jsx": "react",
      "strict": true,
      "alwaysStrict": true,
      "sourceMap": false,
      "forceConsistentCasingInFileNames": true,
      "noFallthroughCasesInSwitch": true,
      "noImplicitReturns": true,
      "noUnusedLocals": true,
      "noUnusedParameters": true,
      "noImplicitAny": false,
      "noImplicitThis": false,
      "strictNullChecks": true,
      "outDir": "./build",
      "baseUrl": ".",
      "paths": {
        "@server/*": ["src/*"],
        "@tests/*": ["__tests__/*"],
        "@config/*": ["src/config/*"]
      },
      "plugins": [
        { "transform": "typescript-transform-paths" },
        { "transform": "typescript-transform-paths", "afterDeclarations": true }
      ]
    },
    "include": ["src/**/*", "__tests__/**/*", "__tests__/mock"],
    "exclude": ["node_modules", "build"]
  }