How to use

flow

function

in

lodash

static async fetchCoinHistory(time, coin, currency, past) {
    return flow(
      get('data.Data'),
      map('close')
    )(await axios.get(
      CryptoCompareAPI.History(time, coin, currency, past)))
  }

export default function getMajorLanguage(languages) {
 const sumLinesOfCode = reduce((sum, linesOfCode) => sum + linesOfCode, 0)(
  languages,
 )

 const highUsageLanguages = flow(
  pickBy((value, key) => (value > 10000 ? key : null)),
  keys,
 )(languages)

 const mostPopularLanguage = flow(
  mapValues((value, key) => value / sumLinesOfCode),
  obj => [keys(obj).reduce((a, b) => (obj[a] > obj[b] ? a : b), null)],
  filter(value => value),
 )(languages)

 return union([...highUsageLanguages, ...mostPopularLanguage])
}

const time = () =>
  flow(remove(negate(first)), first)([
    [args.mins  ,'minutes' ,'histominute'],
    [args.hours ,'hours'   ,'histohour'],
    [args.days  ,'days'    ,'histoday']
  ])

connect(mapStateToProps, { moveWidget, saveMovedWidget, deleteWidget, openSnackbar })(
 flow(
  DragSource(
   WidgetTypes.MOVE,
   widgetSource,
   (connect, monitor) => ({
    connectDragSource: connect.dragSource(),
   }),
  ),
  DropTarget(WidgetTypes.MOVE, widgetTarget, (connect) => ({
   connectDropTarget: connect.dropTarget(),
  }))
 )( withStyles(styles)(SortableWidget) )
)

const printCoins = async () =>
  flow(map(trim), sortBy(toLower), map(print))(
    await CryptoCompareAPI.fetchCoinList())

const getData = table => flow(getTable(table), get('data'))

flow(
 getContentType,
 type => type && ~type.indexOf('json'),
)

const getInitial = table => flow(getTable(table), getOr({}, 'initial'))

static async fetchCoinList() {
    return flow(
      get('data.Data'),
      map('FullName')
    )(await axios.get(CryptoCompareAPI.CoinList()))
  }

function uniqueOrDistinct(feature) {
  return x => flow(map(feature), uniq, size)(x) !== 2;
}

const getTable = table => flow(datatableSelector, get(table))

const getOptions = table => flow(getTable(table), get('options'))

flow(
 getContentType,
 type => type && ~type.indexOf('x-www-form-urlencoded'),
)

const isFetching = table => flow(getTable(table), getOr(false, 'fetching'))

const isError = table => flow(getTable(table), getOr(false, 'error'))