Js client is written using typescript, mainly generated from OpenAPI spec.
Openapi-generator output used as implementation base(see packages /src/api, /scr/models).
All custom logic, on top of generated files, should be places in /src/ext folder.
To regenerate models from openapi definition, clone latest open api definitions to a client's parent folder ./../. Than,use next command from the project root:
./update-models.sh