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PacScan provides information about all available packages for your module at runtime by scanning node_modules as opposed to digging into dependency trees.

• Install
• API
• Bugs
• Contributors
• License

Install

$ npm install --save pacscan

You'll need to have at least Node.js 4 or newer.

API

pacscan([options])

Scans for all packages available to your module asynchronously, returning a Promise to retrieve all of the package information, each of which will be in a format similar to the following:

{
  // The directory of the package
  directory: '/path/to/my-example-package/node_modules/example-server',
  // The file path of the "main" file for the package or null if it has none
  main: '/path/to/my-example-package/node_modules/example-server/server.js',
  // The name of the package
  name: 'example-server',
  // The version of the package
  version: '3.2.1'
}

The options parameter is entirely optional and supports the following:

Option	Description	Default Value
includeParents	Whether the highest level package directory should be scanned or only the lowest level base directory.	false
knockknock	Any options to be passed to KnockKnock. limit will always be overridden to 1.	null
path	The file/directory path from where to derive the base directory to be scanned. Path to module that called PacScan will be used when null.	null

If you only want to list the packages available to your module/package:

const pacscan = require('pacscan');

module.exports = function() {
  pacscan()
    .then((packages) => {
      console.log(`${packages.length} packages found`);

      // ...
    });
};

However, if you're calling PacScan from within a library that is most likely being included in another package as a dependency. In these cases, you might want to know all of the packages available in the base package (i.e. the highest level package that is not a dependency itself). All that you need to do for this is to enable the includeParents option.

pacscan.sync([options])

A synchronous alternative to pacscan([options]).

const pacscan = require('pacscan');

module.exports = function() {
  const packages = pacscan.sync();

  console.log(`${packages.length} packages found`);

  // ...
};

pacscan.version

The current version of PacScan.

const pacscan = require('pacscan');

pacscan.version;
=> "0.2.0"

Bugs

If you have any problems with PacScan or would like to see changes currently in development you can do so here.

Contributors

If you want to contribute, you're a legend! Information on how you can do so can be found in CONTRIBUTING.md. We want your suggestions and pull requests!

A list of PacScan contributors can be found in AUTHORS.md.

License

See LICENSE.md for more information on our MIT license.