siimee/backend/db/seeds/02-profiles.js

const mock = require('../mock')
const fs = require('fs')

let profiles = []
const generatedDataPath = './db/generated'
let fileNames = fs.readdirSync(generatedDataPath)
for (let name of fileNames) {
    const data = require(`../generated/${name}`)
    profiles = [...profiles, ...data.profiles]
}

exports.seed = knex => {
    // Deletes ALL existing entries
    return knex('profiles')
        .truncate()
        .then(function () {
            // Inserts seed entries
            return profiles
                ? knex('profiles').insert(profiles)
                : knex('profiles').insert(mock.profiles)
        })
}