pnpm/pnpm

export async function makeDependentsMap({cwd, root}) {

  const config = await getWebpackConfig({cwd, root})

  const stats = await promisify(webpack)(config)

  //if (e) throw e
  if (stats.hasErrors()) {
    stats.toJson().errors.map(e => {
      console.log(e)
      console.log('------------------------------------------------------------------------------')
    })
    //return
    throw 'Webpack failed.'
  }

  const json = stats.toJson({modules: true})

  const dependents = {}
  const dependencies = {}

  json.modules.map(mod => {
    //console.log(mod)
    dependents[mod.name] = dependents[mod.name] || []
    //const deps = mod.reasons.map(r => r.module)
    const deps = mod.reasons
    dependents[mod.name].push(...deps)

    mod.reasons.map(reason => {
      dependencies[reason.module] = dependencies[reason.module] || []
      dependencies[reason.module].push({mod, reason})
    })

  })

  return {dependents, dependencies}

}