showcommand.js

const {Command, flags} = require('@oclif/command')
const Weight = require('../api/weight')
const weight = new Weight()
class ShowCommand extends Command {
  async run() {
    const {flags} = this.parse(ShowCommand)
    const count = flags.count 
    const records = weight.show(parseInt(count))
    for (let i =records.length -1 ; i >= 0; i--){
      let record = records[i]
      this.log(` Date: ${record.date}, Weight: ${record.weight}`)
    }
  }
}
ShowCommand.description = "show past weight records"
ShowCommand.flags = {
  count: flags.string({char: 'c', description: 'count of past records to be displayed'}),
  help: flags.help({char: 'h'})
}
module.exports = ShowCommand