Looks through widgets to identify images that do not have alt text.
We pass in the fuller perseusRenderer object to allow for the possibility of expanding to include other img data from content & images in the future.
a stringified list of {widgetId, imageUrl} for imgs that don't have alt text
Looks through widgets to identify images that do not have alt text.
We pass in the fuller perseusRenderer object to allow for the possibility of expanding to include other img data from content & images in the future.