gistfile1.txt

getRelatedVideos(hashtagToFind, videos){
  return videos.filter(({ title }) => title.indexOf(hashtag) > -1);
}

componentWillReceiveProps(newProps){
  const { hashtag } = this.state.projects;
  if(this.props.videos.length !=== newProps.videos.length){
    this.setState({ videos: this.getRelatedVideos(hashtag, newProps)})                                                         
  }
}

render(){
  const { projects, videos } = this.state;
  ....rest of stuff
}