Type Alias AnnotationPresetCallback

AnnotationPresetCallback: (
currentAnnotationPresets: Record<AnnotationPresetID, AnnotationPreset>,
) => Record<AnnotationPresetID, AnnotationPreset>

This callback can be used in the setAnnotationPresets() method to do atomic updates to the current annotation presets.

Type Declaration

- (
  currentAnnotationPresets: Record<AnnotationPresetID, AnnotationPreset>,
  ): Record<AnnotationPresetID, AnnotationPreset>
- Parameters
  - currentAnnotationPresets: Record<AnnotationPresetID, AnnotationPreset>
    The current annotation presets
  Returns Record<AnnotationPresetID, AnnotationPreset>
  The new annotation presets

Example

Use ES2015 arrow functions and the update callback to reduce boilerplate

instance.setAnnotationPresets(presets => {
  presets.custom = {
    strokeWidth: 10,
  };
  return presets;
});