pxi-args/index.js

A command-line arguments parser for pxi (pixie), the small, fast, and magical command-line data processor

const parser            = require('./src/dsl/fp/parser')
const toArgs            = require('./src/parser/toArgs')
const toOpts            = require('./src/parser/toOpts')
const splitShortOptions = require('./src/parser/argv/splitShortOptions')
const cast              = require('./src/parser/opts/cast')
const restrictToOnly    = require('./src/parser/opts/restrictToOnly')

function fooParser (opts) {
  return parser({
    argv:   [splitShortOptions],
    toOpts,
    opts:   [cast, restrictToOnly],
    toArgs: toArgs(fooParser),
    args:   []
  })(opts)
}

const {array, number, string, bool, flag, command} = require('./src/dsl/fp/types')
const numStr  = array(['number', 'string'])

const opts = [
  number('chunker', ['--chunker', '-c'], {only: [42]}),
  string('applier', ['--applier', '-a']),
  numStr('numStr', ['--num-str', '-n']),
  flag('verbose', ['--verbose', '-v']),
  bool('truFal', ['--tru-fal', '-t']),
  command('strlist', ['--strlist', '-s']),
  string('noMinus', ['noMinus']),
  command('command', ['command'], {
    opts: [
      {key: 'foo', args: ['--foo'], types: ['number']},
      flag('v', ['-v']),
      command('init', ['init'], {
        opts: [
          string('sub', ['--sub'])
        ]
      })
    ]
  })
]

const argv = process.argv.slice(2)

const res = fooParser(opts)({argv})
console.log('fooParser', JSON.stringify(res, null, 2))