tsconfig.json

{
  "compilerOptions": {
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "sourceMap": true,
    "declaration": true,
    "target": "es5",
    "outDir": "lib",
    "jsx": "react",
    "lib": ["es2016", "dom", "es5"],
    "rootDir": "src",
  },
  "files": ["src/blvd.ts"],
  "compileOnSave": false,
  "buildOnSave": false
}