Method of a React web component that displays search results

buildSearchPool.js

// this is one method of a component from my SoundClone app

buildSearchPool () {
    if (this.state.query === '') {
      this.setState({
        searchPool: []
      })
    } else {
      const pool = [];
      Object.keys(this.props.songs).filter((songId) => {
        const song = this.props.songs[songId];
        if (song.title.toUpperCase().includes(this.state.query.toUpperCase())) {
          pool.push({
            name: song.title,
            img_url: song.image_url,
            url: `/users/${song.user_id}/${song.id}`,
            type: 'song'
          })
        };
      })
      Object.keys(this.props.users).forEach((userId) => {
        const user = this.props.users[userId];
        if (user.username.toUpperCase().includes(this.state.query.toUpperCase())) {
          pool.push({
            name: user.username,
            img_url: user.icon_url,
            url: `/users/${user.id}`,
            type: 'user'
          });
        }
      })
      this.setState({
        searchPool: pool
      })
    }
  }