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valon-args

v3.0.2

Published

Typescript node argument parser with strong types.

Downloads

1,652

Readme

Valon Args

Typescript node argument parser with strong types.

npm npm Build & Tests

Installation

# npm
npm install valon-args

# Yarn
yarn add valon-args

# Pnpm
pnpm add valon-args

Example

import { cliArgs } from 'valon-args'

const options = cliArgs({
    name: { type: 'string', required: true },
    retries: { type: 'number' },
    force: { type: 'boolean' },
})

// All args are now typed and validated.
options.name // string
options.retires // number | undefined
options.force // boolean | undefined

Documentation

import { cliArgs } from 'valon-args'

// Console args are automaticly parsed fron the terminal.
const args = cliArgs({ name: { type: 'string' } })

Usage

String

node ./example.js --string=foo // 'foo'
node ./example.js --string="foo bar" // 'foo bar'

String[]

node ./example.js --string=foo --string=bar // ['foo', 'bar']
node ./example.js --string="foo bar" --string="bar baz" // ['foo bar', 'bar baz']
node ./example.js --string "foo bar" foobar "bar baz" // ['foo bar', 'foobar', 'bar baz']

Number

node ./example.js --number=1 // 1

Number[]

node ./example.js --number=1 --number=2 // [1, 2]

Boolean

node ./example.js --force // true
node ./example.js --force=true // true
node ./example.js --force=false // false
node ./example.js --force=1 // true
node ./example.js --force=0 // false
node ./example.js // undefined