poi/lib/cliEngine.js

const cac = require('cac')

// The CLI engine is only responsible for running command and disable help
// The actuall cli args are parsed in bin/main.js ahead of this
module.exports = class CLI {
  constructor(command) {
    this.command = command
    this.cac = cac()
  }

  handleCommand(...args) {
    return this.cac.command(...args)
  }

  isCurrentCommand(command) {
    if (command === '*' || command === this.command) return true
    if (Array.isArray(command) && command.includes(this.command)) return true
    return false
  }

  willShowHelp() {
    return process.argv.includes('--help')
  }

  async runCommand() {
    const args = [this.command]

    if (this.willShowHelp()) {
      args.push('--help')
    }

    return this.cac.parse(args)
  }
}