({a:{b:{c:{d:{e:4}}}}})

is printed as

{ a: { b: { c: [Object] } } }

in the Compass shell. When running npm start in the browser-repl package, it is rendered properly as

{ a: { b: { c: { d: { e: 4 } } } } }

(according to the `depth: 1000` specifier that we use in the Compass shell).