rxjs-websockets/src/tsconfig.json

rxjs 7 websockets library

{
  "compilerOptions": {
    "declaration": true,
    "strict": true,
    "lib": ["es6", "dom"],
    "moduleResolution": "node",
    "sourceMap": true,
    "preserveWatchOutput": true,
    "outDir": "../dist.es2015",
    "target": "es2015"
  }
}