Reading component related events

@artf hey thanks for your answer. I was however looking for a more general example of determining if changes happened and what they were - for example something like this:

editor.on('component:update', model => {
     if (model.isChanged()) {
                //....
     }

      if (model.isChanged('style:font-size')) {
                //....
     }

     var changes = model.getChanges();
});

We need to track changes to components in a project so we need something more general. Could you also possibly explain why so many component:update events are fired when I make even minor changes to components (almost always more than 10 events are fired for what seems like various components)?

Thanks @ppisecky for pointing this out, I updated the source, but basiclly any component-related event just receives the triggered model. About your font-size case, you can set up this listener

editor.on('component:styleUpdate:font-size', model => 
     console.log('Font size: ', model.getStyle()['font-size'])
);

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