old_contents: import QItem from './QItem'
  import QItemMain from './QItemMain'
  import QItemSide from './QItemSide'
  
  function push (child, h, name, slot, replace, conf) {
    const defaultProps = { props: { right: conf.right } }
  
    if (slot && replace) {
      child.push(h(name, defaultProps, slot))
      return
    }
  
    let v = false
    for (let p in conf) {
      if (conf.hasOwnProperty(p)) {
        v = conf[p]
        if (v !== void 0 && v !== true) {
          child.push(h(name, { props: conf }))
          break
        }
      }
    }
  
    slot && child.push(h(name, defaultProps, slot))
  }
  
  export default {
    name: 'q-item-wrapper',
    props: {
      cfg: {
        type: Object,
        default: () => ({})
      },
      slotReplace: Boolean
    },
    render (h) {
      const
        cfg = this.cfg,
        replace = this.slotReplace,
        child = []
  
      push(child, h, QItemSide, this.$slots.left, replace, {
        icon: cfg.icon,
        color: cfg.leftColor,
        avatar: cfg.avatar,
        letter: cfg.letter,
        image: cfg.image
      })
  
      push(child, h, QItemMain, this.$slots.main, replace, {
        label: cfg.label,
        sublabel: cfg.sublabel,
        labelLines: cfg.labelLines,
        sublabelLines: cfg.sublabelLines,
        inset: cfg.inset
      })
  
      push(child, h, QItemSide, this.$slots.right, replace, {
        right: true,
        icon: cfg.rightIcon,
        color: cfg.rightColor,
        avatar: cfg.rightAvatar,
        letter: cfg.rightLetter,
        image: cfg.rightImage,
        stamp: cfg.stamp
      })
  
      child.push(this.$slots.default)
  
      return h(QItem, {
        attrs: this.$attrs,
        on: this.$listeners,
        props: cfg
      }, child)
    }
  }
  
new_contents: import QItem from './QItem'
  import QItemMain from './QItemMain'
  import QItemSide from './QItemSide'
  
  function push (child, h, name, slot, replace, conf) {
    const defaultProps = { props: { right: conf.right } }
  
    if (slot && replace) {
      child.push(h(name, defaultProps, slot))
      return
    }
  
    let v = false
    for (let p in conf) {
      if (conf.hasOwnProperty(p)) {
        v = conf[p]
        if (v !== void 0 && v !== true) {
          child.push(h(name, { props: conf }))
          break
        }
      }
    }
  
    slot && child.push(h(name, defaultProps, slot))
  }
  
  export default {
    name: 'q-item-wrapper',
    props: {
      cfg: {
        type: Object,
        default: () => ({})
      },
      slotReplace: Boolean
    },
    render (h) {
      const
        cfg = this.cfg,
        replace = this.slotReplace,
        child = []
  
      push(child, h, QItemSide, this.$slots.left, replace, {
        icon: cfg.icon,
        color: cfg.leftColor,
        avatar: cfg.avatar,
        letter: cfg.letter,
        image: cfg.image,
        inverted: cfg.leftInverted,
        textColor: cfg.leftTextColor
      })
  
      push(child, h, QItemMain, this.$slots.main, replace, {
        label: cfg.label,
        sublabel: cfg.sublabel,
        labelLines: cfg.labelLines,
        sublabelLines: cfg.sublabelLines,
        inset: cfg.inset
      })
  
      push(child, h, QItemSide, this.$slots.right, replace, {
        right: true,
        icon: cfg.rightIcon,
        color: cfg.rightColor,
        avatar: cfg.rightAvatar,
        letter: cfg.rightLetter,
        image: cfg.rightImage,
        stamp: cfg.stamp,
        inverted: cfg.rightInverted,
        textColor: cfg.rightTextColor
      })
  
      child.push(this.$slots.default)
  
      return h(QItem, {
        attrs: this.$attrs,
        on: this.$listeners,
        props: cfg
      }, child)
    }
  }
  
subject: Add inverted & co props for Item Wrapper