old_contents: import React, { Component } from 'react'
  import forumStore from 'lib/stores/topic-store/forum-store'
  
  export default function TagsConnectorFactory (WrappedComponent) {
    return class TagsConnector extends Component {
      static displayName = `TagsConnector(${getDisplayName(WrappedComponent)})`
  
      static WrappedComponent = WrappedComponent
  
      state = {
        tags: null
      }
  
      componentDidMount () {
        this.fetchTags(this.props.forum && this.props.forum.id)
      }
  
      componentWillReceiveProps (props) {
        if (props.forum === this.props.forum) return
        this.fetchTags(props.forum && props.forum.id)
      }
  
      fetchTags = (forumId) => {
        if (!forumId) return this.setState({ tags: null })
  
        forumStore.findTags(forumId)
          .then((tags) => this.setState({ tags }))
          .catch((err) => { throw err })
      }
  
      render () {
        return <WrappedComponent tags={this.state.tags} {...this.props} />
      }
    }
  }
  
  function getDisplayName (WrappedComponent) {
    return WrappedComponent.displayName ||
      WrappedComponent.name ||
      'Component'
  }
  
new_contents: import React, { Component } from 'react'
  import forumStore from 'lib/stores/forum-store/forum-store'
  
  export default function TagsConnectorFactory (WrappedComponent) {
    return class TagsConnector extends Component {
      static displayName = `TagsConnector(${getDisplayName(WrappedComponent)})`
  
      static WrappedComponent = WrappedComponent
  
      state = {
        tags: null
      }
  
      componentDidMount () {
        this.fetchTags(this.props.forum && this.props.forum.id)
      }
  
      componentWillReceiveProps (props) {
        if (props.forum === this.props.forum) return
        this.fetchTags(props.forum && props.forum.id)
      }
  
      fetchTags = (forumId) => {
        if (!forumId) return this.setState({ tags: null })
  
        forumStore.findTags(forumId)
          .then((tags) => this.setState({ tags }))
          .catch((err) => { throw err })
      }
  
      render () {
        return <WrappedComponent tags={this.state.tags} {...this.props} />
      }
    }
  }
  
  function getDisplayName (WrappedComponent) {
    return WrappedComponent.displayName ||
      WrappedComponent.name ||
      'Component'
  }
  
subject: fix forum store import