mapbox/mapbox-gl-js — pull request #775 by sweco-semhul (2014-10-14 22:46:20+00:00)
Title: Disabled loading of worker tiles if Source min, max zoom span is outside current zoom-level

Is there any need to load sources when zoom-level is not inside the source min, max zoom span?
To minimize transfered data to client, skip loading of not needed data sources.