dead zwave devices sensor

  - sensor:
    - name: "Dead ZWave Devices"
      unique_id: dead_zwave_devices
      unit_of_measurement: entities
      state: >
        {% if state_attr('sensor.dead_zwave_devices','entity_id') != none %}
          {{ state_attr('sensor.dead_zwave_devices','entity_id') | count }}
        {% else %}
          {{ 0 }}
        {% endif %}
      attributes:
        entity_id: >
          {{
            expand(integration_entities('Z-Wave JS') )
            | selectattr("entity_id", "search", "node_status")
            | selectattr('state', 'in', 'dead, unavailable, unknown')
            | map(attribute="object_id")
            | map('regex_replace', find='(.*)_node_status', replace='button.\\1_ping', ignorecase=False)
            | list
          }}