A module for test data preparation, filled with code duplication

prepare-test-data.js

const { 
  addTimestamps,
  truncateLocations
} = require('./testHelpers')

const userData = require('./testData/userData.json')
const deviceTypes = require('./testData/deviceTypes.json')
const nutritionPlans = require('./testData/nutritionPlans.json')
const exerciseRoutine = require('./testData/exerciseRoutine.json')
const goals = require('./testData/goals.json')
const miniChallenges = require('./testData/miniChallenges.json')
const rewards = require('./testData/rewards.json')

export function prepare() => {
  truncateLocations(userData)
  truncateLocations(deviceTypes)
  truncateLocations(nutritionPlans)
  truncateLocations(exerciseRoutine)
  truncateLocations(goals)
  truncateLocations(miniChallenges)
  truncateLocations(rewards)

  addTimestamps(userData)
  addTimestamps(deviceTypes)
  addTimestamps(nutritionPlans)
  addTimestamps(exerciseRoutine)
  addTimestamps(goals)
  addTimestamps(miniChallenges)
  addTimestamps(rewards)

  return {
    userData,
    deviceTypes,
    nutritionPlans,
    exerciseRoutine,
    goals,
    miniChallenges,
    rewards
  }
}