All files / src throughAgentFactory.js

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import React, { Children } from 'react'
import PropTypes from 'prop-types'
 
import throughAgent from './throughAgent'
 
const throughAgentFactory = (area, key) => {
 
  Iif( !(typeof area === 'string' || area instanceof String ) ) {
    throw new Error(
      "type error: throughAgentFactory(area:string, key:string|function)"
    )
  }
 
  const Item = () => null
 
  class ThroughAgent extends React.Component {
    static propTypes = {
      [area]: PropTypes.object,
    }
 
    componentWillMount() {
      this.configureItem(this.props)
    }
 
    componentWillReceiveProps(nextProps) {
      const keys = Object.keys(nextProps).concat(Object.keys(this.props))
      const skip = [area]
      const differences = keys.filter(
        k => (!skip.includes(k) && this.props[k] !== nextProps[k])
      ).length
      if( differences ) {
        this.configureItem(nextProps)
      }
    }
 
    configureItem = (props) => {
      const {[area]: notused, ...data} = props
      props[area].item(
        <Item {...data} />
      )
    }
 
    render() {
      return null
    }
  }
 
  ThroughAgent.displayName = `ThroughAgent.${area}`
 
  return throughAgent(area, key)(ThroughAgent)
}
 
export default throughAgentFactory