Changes

Summary

1. Replace id with models for checking single selection (commit: c2c5d3e) (details)
2. Update single selection detection logic from click event (commit: 98603a7) (details)
3. Add annotationEvent for annotation popup to fix https://github.com/AnatomicMaps/flatmap-viewer/issues/62 (commit: 4c86a6b) (details)
4. Refactor codes for taxon value (commit: 38e834b) (details)
5. Refactor callbackEvent for pan-zoom event (commit: c10bce2) (details)
6. Refactor code for indentation (commit: b262cff) (details)
7. Refactor eventCallback for click and create popup (commit: 85c9052) (details)
8. Refactor eventCallback (commit: 0b84626) (details)
9. Refactor eventCallback (commit: 367c0f5) (details)
10. Add comment for type definition (commit: e7fc30f) (details)
11. Update eventCallback item's id to featureId for #301 (commit: 8a6718f) (details)

Replace id with models for checking single selection
 (commit: c2c5d3e)

Update single selection detection logic from click event
 (commit: 98603a7)

Add annotationEvent for annotation popup to fix https://github.com/AnatomicMaps/flatmap-viewer/issues/62
 (commit: 4c86a6b)

Refactor codes for taxon value
 (commit: 38e834b)

Refactor callbackEvent for pan-zoom event
 (commit: c10bce2)

Refactor code for indentation
 (commit: b262cff)

Refactor eventCallback for click and create popup
 (commit: 85c9052)

Refactor eventCallback
 (commit: 0b84626)

Refactor eventCallback
 (commit: 367c0f5)

Add comment for type definition
 (commit: e7fc30f)

Update eventCallback item's id to featureId for #301
 (commit: 8a6718f)