@stdlib/error/tools/id2pkg/README.md

Errors.

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# id2pkg

> Return the package name associated with a specified error identifier prefix.

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## Usage

```javascript
var id2pkg = require( '@stdlib/error/tools/id2pkg' );
```

#### id2pkg( id )

Returns the package name associated with a specified error identifier prefix.

```javascript
var v = id2pkg( '0H5' );
// returns '@stdlib/math/base/special/sin'
```

If provided an unrecognized error identifier prefix, the function returns `null`.

```javascript
var v = id2pkg( 'unrecognized_alias_beep_boop_bop_bip' );
// returns null
```

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## Examples

<!-- TODO: better example -->

<!-- eslint no-undef: "error" -->

```javascript
var id2pkg = require( '@stdlib/error/tools/id2pkg' );

var list;
var len;
var v;
var i;

list = [
    '001',
    '0A3',
    '0Ab'
];
len = list.length;

for ( i = 0; i < len; i++ ) {
    v = list[ i ];
    console.log( 'id: %s. pkg: %s.', v, id2pkg( v ) );
}
```

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* * *

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## CLI

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### Usage

```text
Usage: stdlib-id2pkg [options] <id>

Options:

  -h,    --help                Print this message.
  -V,    --version             Print the package version.
```

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### Examples

```bash
$ stdlib-id2pkg '0H5'
@stdlib/math/base/special/sin
```

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</section>

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## License

The data files (databases) are licensed under an [Open Data Commons Public Domain Dedication & License 1.0][pddl-1.0] and their contents are licensed under [Creative Commons Zero v1.0 Universal][cc0]. The software is licensed under [Apache License, Version 2.0][apache-license].

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[pddl-1.0]: http://opendatacommons.org/licenses/pddl/1.0/

[cc0]: https://creativecommons.org/publicdomain/zero/1.0

[apache-license]: https://www.apache.org/licenses/LICENSE-2.0

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