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cell0.js

import random from 'number-random'

const hour = 1000 * 60 * 60
const range = random(hour * 4, hour * 7)
const chunkNum = random(1, 4)

  let chunks = Array.from({ length: chunkNum })
    .map((item, index) => (
      Math.random()
    ))

  const sum = chunks.reduce(
    (accumulator, chunk) => accumulator + chunk
  )

  chunks = chunks.map(chunk => {
    let value = Math.round(((chunk / sum) * range) * 4) / 4.0
    return value
  })