jwulf

const GlobalMemberStore = (() => {
  let _members = []
  const needsArg = arg => {
    if (!member) {
      throw new Error (`Undefined passed as argument to Store!`)
    }
    return arg
  }
  const needsId = member => {
    if (!member.id) {

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  const Store = {
    putMember: member => {
      if (Store.getMember(member.id).found) {
        throw new Error(`${member.id} already exists!`)
      }
      _members = [..._members, {...member}]
    }
  }

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  const Store = {
    updateMember: update => {
      const member = Store.getMember(update.id)
      if (!member.found) {
        throw new Error(`No member with id ${update.id} in the store!`)
      }
      _members = _members.map(m => m.id === update.id ? 
                                            {...update} : m)

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  const Store = {
  }
  return Store
})()

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    getMember: id => {
      const member = _members.filter(m => m.id === id)
      return member.length === 1 ? 
        { found: true, member: {...member[0]}} :
        { found: false, member: undefined }
    }
  }

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    getMember: id => _members.filter(m => m.id === id)
  }
})()

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    updateMember: update => (_members = _members.map(m => m.id === update.id ? 
                                                      {...update} : m))
  }
})()

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    setMembers: members => _members = members.map(m => ({...m}))
  }
})()

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    getMembers: () => _members.map(m => ({...m}))
  }
})()

jwulf

const GlobalMemberStore = (() => {
  let _members = []
  return {
    getMembers: () => [..._members]
  }
})()