@charliehess/redux-persist/src/createTransform.js

persist and rehydrate redux stores

function createTransform (inbound, outbound, config = {}) {
  let whitelist = config.whitelist || null
  let blacklist = config.blacklist || null

  function whitelistBlacklistCheck (key) {
    if (whitelist && whitelist.indexOf(key) === -1) return true
    if (blacklist && blacklist.indexOf(key) !== -1) return true
    return false
  }

  return {
    in: (state, key) => !whitelistBlacklistCheck(key) && inbound ? inbound(state, key) : state,
    out: (state, key) => !whitelistBlacklistCheck(key) && outbound ? outbound(state, key) : state
  }
}

export default createTransform