The client_helpers library provides functions useful for websites that interact with an Indicia warehouse.
The library is used by the warehouse itself and also in the modules that add Indicia features to Drupal websites.
It is not limited to any PHP framework though.
[1] https://github.com/Indicia-Team/warehouse [2] https://github.com/Indicia-Team/drupal-8-module-iform [3] https://github.com/Indicia-Team/drupal-7-module-iform