Payload Seed multiple locales

categories.ts

import { localization } from '@/i18n/localization'
import type { Category } from '@/payload-types'
import type { RequiredDataFromCollectionSlug, TypedLocale } from 'payload'

type Data = {
  title?: string
  slug?: string
  icon?: string
}

type Props = {
  parent?: Category
  locales: TypedLocale[]
  data: Record<TypedLocale, Data>
}

type CategorySeed = RequiredDataFromCollectionSlug<'categories'> & { locale: TypedLocale }

const seed = ({ parent, locales, data }: Props): CategorySeed[] => {
  return locales.map((locale) => ({
    title: data[locale]?.title ?? '',
    icon: data[locale]?.icon ?? '',
    slug: data[locale]?.slug ?? '',
    parent,
    locale,
  }))
}

export const electronicsCategory = seed({
  locales: localization.locales.map((l) => l.code) as TypedLocale[],
  data: {
    en: { title: 'Electronics', slug: 'electronics', icon: 'tv' },
    nl: { title: 'Elektronica', slug: 'electronics', icon: 'tv' },
    bn: { title: 'ইলেকট্রনিক্স', slug: 'electronics', icon: 'tv' },
  },
})

route.ts

const payloadReq = await createLocalReq({ user }, payload)

await Promise.all(
  electronicsCategory.map((category) => {
    return payload.create({
      collection: 'categories',
      data: category,
      req: payloadReq,
      depth: 0,
      locale: category.locale,
    })
  }),
)