How to use

keyBy

function

in

CollectionChain

_.chain(order)
    .flatten()
    .uniq()
    .sort()
    .map(key => ({
      key,
      done: false,
      deps: order.filter(([a, b]) => b === key)
        .map(d => d[0])
    }))
    .keyBy('key')
    .value()

_.chain(events)
    .map('guard')
    .filter()
    .uniq()
    .map(id => ({
      id,
      asleep: false,
      minutesAsleep: 0,
      byMinute: _.range(60)
        .map(() => 0)
    }))
    .keyBy('id')
    .value()

_.chain(order)
    .flatten()
    .uniq()
    .sort()
    .map(key => ({
      key,
      worker: -1,
      seconds: minTime + key.charCodeAt(0) - 64,
      deps: order.filter(([a, b]) => b === key)
        .map(d => d[0])
    }))
    .keyBy('key')
    .value()

_.chain(events)
    .map('guard')
    .filter()
    .uniq()
    .map(id => ({
      id,
      asleep: false,
      minutesAsleep: 0,
      byMinute: _.range(60)
        .map(() => 0)
    }))
    .keyBy('id')
    .value()