npm package: @ffras4vnpm/neque-deleniti-dignissimos
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Author: ffras4v
Latest version: 1.0.0

# @ffras4vnpm/neque-deleniti-dignissimos <sup>[![Version Badge][npm-version-svg]][package-url]</sup>

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parse argument options

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

# example

Example files: [example/parse.js](./example/parse.js) (CJS) / [example/parse.mjs](./example/parse.mjs) (ESM)

``` js
// for CJS
const argv = require('@ffras4vnpm/neque-deleniti-dignissimos')(process.argv.slice(2));

// for ESM
// import @ffras4vnpm/neque-deleniti-dignissimos from '@ffras4vnpm/neque-deleniti-dignissimos';
// const argv = @ffras4vnpm/neque-deleniti-dignissimos(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 --no-ding foo bar baz
{
	_: ['foo', 'bar', 'baz'],
	x: 3,
	y: 4,
	n: 5,
	a: true,
	b: true,
	c: true,
	beep: 'boop',
	ding: false
}
```

# methods

``` js
const parseArgs = require('@ffras4vnpm/neque-deleniti-dignissimos');
```

<a name="var-argv--parseargsargs-opts"></a>
## const 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` contains that argument name. To disable numeric conversion
for non-option arguments, add `'_'` to `opts.string`.

A negated argument of the form `--no-foo` returns `false` for option `foo`.

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._` 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](https://npmjs.org) do:

```
npm install @ffras4vnpm/neque-deleniti-dignissimos
```

# license

MIT

[package-url]: https://npmjs.org/package/@ffras4vnpm/neque-deleniti-dignissimos
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