@nstudio/nativescript-checkbox: Toggle is being called twice when binding the checked to an attribute.

If you make it this way:

<template>
  <Page>
    <StackLayout
      orientation="vertical">
      <check-box
        v-for="(option, index) in options"
        :key="index"
        :text="option"
        :checked="index == selected"
        boxType="circle"
        @tap="selectOption(index)"
        @checkedChange="changed(index)"/>
    </StackLayout>
  </Page>
</template>

<script lang="coffee">

export default
  
  data: () ->
    {
      options: [
        "First"
        "Second"
        "Third"
        "Fourth"
      ]
      selected: null
    }

  methods:

    selectOption: (index) ->
      if this.selected == index
        this.selected = null
      else
        this.selected = index

    changed: (index) ->
      console.log "changed #{index}"

</script>

and click on an already selected option, you became able to select another one.

Reproduce the behavior with the Vue template and checkbox bindings shown in the issue, then trace the plugin's checked and checkedChange handling. Done means clicking an already selected option does not invoke the toggle behavior twice or unexpectedly select another option.