NodeJS JSON do arkusza
import * as xlsx from 'xlsx'
const jsonSheet: {
City: string
'No Users': number
}[] = []
const newWB = xlsx.utils.book_new()
const newWs = xlsx.utils.json_to_sheet(jsonSheet)
xlsx.utils.book_append_sheet(newWB, newWs, "Stats")
xlsx.writeFile(newWB, './users-stats.xlsx')
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