JSPM

import ShimmerPlaceHolder from 'react-native-shimmer-placeholder'

<ShimmerPlaceHolder autoRun={true} />
<ShimmerPlaceHolder autoRun={true} isDisplayChildComponent={isFetched}>
  <Text>
    Wow, awesome here.
  </Text>
</ShimmerPlaceHolder>

componentDidMount(){
  this.runPlaceHolder()
}
runPlaceHolder() {
  if (Array.isArray(this.loadingAnimated)&&this.loadingAnimated.length>0) {
    Animated.parallel(
      this.loadingAnimated.map(animate=> {
        if (animate&&animate.runAnimated) {
          return animate.runAnimated()
        }
        return null
      }),
      {
        stopTogether: false
      }
    ).start(() => {
        this.runAnimated()
    })
  }
}
_renderRows(loadingAnimated,numberRow,uniqueKey){
  shimmerRows=[]
  for(let index=0;index<numberRow;index++ ){
    shimmerRows.push(
      <ShimmerPlaceHolder
          key={`loading-${index}-${uniqueKey}`}
          ref = {(ref) => loadingAnimated.push(ref)}
          style={{marginBottom: 7}}
      />
    )
  }
  return(
    <View>
      {shimmerRows}
    </View>
  )
}
render(){
  this.loadingAnimated=[]
  return(
    {this._renderRows(this.loadingAnimated,3,'3rows')}
  )
}