context.js

import React from 'react'
import { withMultiContext } from 'with-context'

const contexts = (ctx => {
  const results = []
  let keys = ctx.keys()
  let values = keys.map(ctx)
  for (const [index, dir] of Object.entries(keys)) {
    const match = dir.match(/^\.\/([^/]+)$/)
    if (!match) continue
    const [, contextName] = match
    const module = values[index]
    const propName = contextName.toLowerCase()
    results.push({
      contextName, module, propName
    })
  }
  return results
})(require.context('./', true, /^\.\/(?!.*(js|\/))[A-Z].*$/))

const withContext = withMultiContext(contexts.reduce((o, el) => ({
  ...o,
  [el.propName]: el.module.Context
}), {}))

const exportise = contexts.reduce((o, el) => ({
  ...o,
  [`with${el.contextName}`]: withMultiContext({
    [el.propName]: el.module.Context
  })
}), {withContext})

export default exportise

export const ContextProvider = props => contexts.reduce(
  (content, Context) => (<Context.module.Provider>{content}</Context.module.Provider>),
  props.children
)

current-method.js

import Context from './context'
const { withUser } = Context

export default withUser(props => <div>Props.user is: {props.user}</div>)

desired-method.js

import { withUser } from './context'

export default withUser(props => <div>Props.user is: {props.user}</div>)