AS File extension for RecyclerView adapters

RecyclerViewAdapter.kt

#set($ModelName = $Model.replace("ViewModel",""))
#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME}#end

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.RecyclerView

class ${NAME}: RecyclerView.Adapter<${ModelName}ViewHolder>()  {

    var data:List<${Model}> = emptyList()
        set(newList) {
            DiffUtil.calculateDiff(${Model}DiffCallback(field,newList)).dispatchUpdatesTo(this)
            field = newList
        }
        
    override fun getItemCount(): Int = data.size
    
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ${ModelName}ViewHolder.build(parent)
    
    override fun onBindViewHolder(holder: ${ModelName}ViewHolder, position: Int) {
        holder.bind(data[position])
    }
    
    inner class ${Model}DiffCallback(val oldList:List<${Model}>,val newList:List<${Model}>) : DiffUtil.Callback() {
    
        override fun areItemsTheSame(oldPosition: Int, newPosition: Int) = oldList[oldPosition].id == newList[newPosition].id
                
        override fun areContentsTheSame(oldPosition: Int, newPosition: Int) = oldList[oldPosition].id == newList[newPosition].id
                
        override fun getOldListSize() = oldList.size
              
        override fun getNewListSize() = newList.size
    }
        
}

class ${ModelName}ViewHolder(val view: View) : RecyclerView.ViewHolder(view) {

    fun bind(item: ${Model}) {
        TODO("Write your code here")
    }

    companion object {
        fun build(parent: ViewGroup) = ${ModelName}ViewHolder(
            LayoutInflater.from(parent.context).inflate(R.layout.${Layout}, parent, false)
        )
    }
}