tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "baseUrl": "./source",
    "paths": { "@/*": ["./*"] },
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "incremental": true,
    "isolatedModules": true,
    "lib": ["DOM", "DOM.Iterable", "ESNEXT"],
    "module": "CommonJS",
    "moduleResolution": "Node",
    "noEmit": false,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": false,
    "noImplicitReturns": true,
    "outDir": "./build",
    "resolveJsonModule": true,
    "rootDir": "./source",
    "skipDefaultLibCheck": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "target": "ESNext",
    "tsBuildInfoFile": "./build-cache"
  },
  "exclude": ["node_modules"],
  "include": ["source"]
}