tsconfig.json

{
  "compilerOptions": {
    "allowJs": false,
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "baseUrl": ".",
    "emitDecoratorMetadata": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "module": "ESNext",
    "moduleResolution": "Bundler",
    "noEmit": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "paths": {
      "@/*": ["./src/*"]
    },
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "strict": true,
    "target": "ESNext",
    "types": ["node", "mocha"]
  },
  "include": ["src", "test"],
  "exclude": ["node_modules", "dist"]
}