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minimist

parse argument options

This module is the guts of optimist's argument parser without all the fanciful decoration.

# example

var argv = require('minimist')(process.argv.slice(2));
console.log(argv);
$ node example/parse.js -a beep -b boop
{ _: [], a: 'beep', b: 'boop' }
$ node example/parse.js -x 3 -y 4 -n5 -abc --beep=boop foo bar baz
{ _: [ 'foo', 'bar', 'baz' ],
x: 3,
y: 4,
n: 5,
a: true,
b: true,
c: true,
beep: 'boop' }

# security

Previous versions had a prototype pollution bug that could cause privilege escalation in some circumstances when handling untrusted user input.

Please use version 1.2.3 or later: https://snyk.io/vuln/SNYK-JS-MINIMIST-559764

# methods

var parseArgs = require('minimist')

## var argv = parseArgs(args, opts={})

Return an argument object `argv` populated with the array arguments from `args`.

`argv._` contains all the arguments that didn't have an option associated with them.

Numeric-looking arguments will be returned as numbers unless `opts.string` or `opts.boolean` is set for that argument name.

Any arguments after ‘’–'`will not be parsed and will end up in`argv._`.

options can be:

- `opts.string` - a string or array of strings argument names to always treat as strings
- `opts.boolean` - a boolean, string or array of strings to always treat as booleans. if `true` will treat all double hyphenated arguments without equal signs as boolean (e.g. affects `--foo`, not `-f` or `--foo=bar`)
- `opts.alias` - an object mapping string names to strings or arrays of string argument names to use as aliases
- `opts.default` - an object mapping string argument names to default values
- `opts.stopEarly` - when true, populate `argv._` with everything after the first non-option
- ‘opts[’–']`- when true, populate`argv._<tt>with everything before the–`and`argv['–']`with everything after the`–`. Here's an example:

> require('./')('one two three -- four five --six'.split(' '), { '--': true })
{ _: [ 'one', 'two', 'three' ],
'--': [ 'four', 'five', '--six' ] }

Note that with ‘opts[’–']`set, parsing for arguments still stops after the` –`.

- `opts.unknown` - a function which is invoked with a command line parameter not defined in the `opts` configuration object. If the function returns `false`, the unknown option is not added to `argv`.

# install

With npm do:

npm install minimist

# license

MIT