Make some element unediatble by default.

Extend the text component type and implement your logic in isComponent. If the element meets your conditions (you would probably check for inner elements) just return the object in this way

isComponent(el) {
	// ...
	if (isWhatYouNeed) {
		return {
			type: 'text',		
			content: el.innerHTML,
			components: [], 
			// By putting components you prevent the parser 
			// from going deeper traversing of your DOM elements
		}
	}
},

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