kebabToCamel.js

export const kebabToCamel = obj => Object.keys(obj).reduce((acc, cur) => {
  return {
    ...acc,
    [camelize(cur)]: buildValue(obj[cur])
  }
}, {})

function camelize (property) {
  const s = property.split('_')
  const capital = s.map((item, index) => {
    if (index === 0) {
      return item
    }
    return item.charAt(0).toUpperCase() + item.slice(1).toLowerCase()
  })
  return capital.join('')
}