manifold/common/tsconfig.json

{
  "compilerOptions": {
    "baseUrl": "../",
    "composite": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "noImplicitReturns": true,
    "outDir": "lib",
    "sourceMap": true,
    "strict": true,
    "target": "es2017"
  },
  "include": ["**/*.ts"]
}