up until 18.14.0 you could import esm via import { ... } from 'json-joy/esm/...'; in 18.15.0 there is no esm artifacts in package, only lib (which is cjs format)...
up until 18.14.0 you could import esm via import { ... } from 'json-joy/esm/...';
in 18.15.0 there is no esm artifacts in package, only lib (which is cjs format)...