Bug Fix for issue #998

[jakeymac]

Description

This merge request addresses issue #998 for basemap layers with typos, or empty basemap list in mapview. Now throws warnings in console for unsupported map layer names provided.

Changes Made to Code:

• added 'add_default_basemap_layer' function
• added warnings in console for invalid or misspelled basemap names

Related

None

Additional Notes

None

Quality Checks

• [] New code is 100% tested
• [] Code has been formated
• [] Code has been linted
• [] Docstrings for new methods have been added

[coveralls]

coverage: 99.936%. remained the same when pulling 58d558f16797a64422e0d1e674975d75e874d7f7 on bug-fix-998-v2 into 1a761f2d4abd537c5b99bd2d18481c7619da0e2c on main.