new_users_csv_parser.ts

import * as fs from 'fs'

class User {
    constructor(public firstName: string,
        public lastName: string,
        public id: number) { }

    toString() {
        return `First Name: ${this.firstName}, Last Name: ${this.lastName}, id: ${this.id}`
    }
}


export function parseUsersFromCSV(pathToFile: string): User[] {
    let lines = fs.readFileSync(pathToFile, 'utf8').split('\n')
    console.log('Got lines from csv: ', lines)
    lines = lines.slice(1, lines.length) // removing header since not needed
    console.log('Got lines from csv without header: ', lines)

    var users: User[] = []
    for (let line of lines) {
        // FirstName,LastName,Id
        let splitted = line.split(',')
        users.push(new User(splitted[0], splitted[1], +splitted[2]))
    }

    return users
}

let users = parseUsersFromCSV('./table.csv')

for (let user of users) {
    console.log(user.toString())
}