Method MarshalJSON

tree/json.go:23–35

MarshalJSON marshals the node by injecting the [Node.NodeType] as a nodeType field and the [NodeBase.NumChildren] as a numChildren field at the start of the standard JSON encoding output.

()

// field and the [NodeBase.NumChildren] as a numChildren field at the start of
// the standard JSON encoding output.
func (n *NodeBase) MarshalJSON() ([]byte, error) {
	// the non pointer value does not implement MarshalJSON, so it will not result in infinite recursion
	b, err := json.Marshal(reflectx.Underlying(reflect.ValueOf(n.This)).Interface())
	if err != nil {
		return b, err
	}
	data := `"nodeType":"` + n.NodeType().Name + `",`
	if n.NumChildren() > 0 {
		data += `"numChildren":` + strconv.Itoa(n.NumChildren()) + ","
	}
	b = slices.Insert(b, 1, []byte(data)...)
	return b, nil
}

// unmarshalTypeCache is a cache of [reflect.Type] values used
// for unmarshalling in [NodeBase.UnmarshalJSON]. This cache has