Fix for layer not found error in featuresAt function #1194
Merged
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Fixes #1183
Updated fetures_at.js's
featuresAt
function to verify a style layer exists before adding it to queryParam.layers for the map.queryRenderedFeatures function. The mapbox-gl-draw style layers are removed during a map.setStyle call and are not added back until the data event (with type of style) is received. If the featuresAt function includes missing styles, the map.queryRenderedFeatures function will fire an error (https://github.com/mapbox/mapbox-gl-js/blob/11ea4f82e2d04041ef33339ac51909e876eed910/src/style/style.js#L1111C1-L1112C1)Updated test/utils/create_map.js mock of mapbox-gl-js's map to include a very basic style layer management.
Updated features_at.test.js to better mock the source/style handling of mapbox-gl-js so that a test case could be added to demonstrate this fix.