[QUESTION] Adding new traits to component and update current ones with these

@Lakshit-Singhal In that case I think the best option would be to create a custom plugin, and before you initialize GrapesJS, call the API, get the values and pass them in the initialization function via the plugin's options, that way they are present when the trait gets initialized. Check the documentation on how to create a custom plugin, or you can take a look at my plugins: GrapesJS Bootstrap 4 and GrapesJS Swiper Slider to get an idea.

This happens because the editor stores also traits information in components. You can delete this information be extending the component and updating its toJSON method

const typeModel = domc.getType('my-type').model;

domc.addType('my-type', {
	model: {
		...
		toJSON() {
			const result = typeModel.prototype.toJSON.apply(this);
			delete result.traits;

			return result;
		}
	}
})

ps: I think I'll remove traits from JSON in the next release. Perhaps many versions back that would have made sense, but now I'd not even recommend storing stuff in Traits

@artf this removed custom traits !! as I mentioned in #2007