CleverStack/cleverstack-cli

var path    = require( 'path' )
  , libs    = module.exports = {}
  , loaded  = {};
    
// note: leave ./program.js out of this otherwise commander will blend sub programs together
var availableLibs = [
  'command', 'colors', 'repos', 'utils', 'search', 'install', 'project', 'packages', 'generator',
  [ 'util', path.join( 'util', 'index' ) ],
  [ 'pkg', path.join( '..', 'package.json' ) ]
];

// Only require the lib if we haven't already done so
if ( GLOBAL.lib === undefined ) {
  availableLibs.forEach( function( libName ) {
    var libPath = libName;

    // availableLibs = [ [ name, path ], ... ]
    if ( libName instanceof Array ) {
      libPath = libName[ 1 ];
      libName = libName[ 0 ];
    }
    Object.defineProperty( libs, libName, {
      get: function() {
        if ( !loaded[ libName ] ) {
          loaded[ libName ] = require( path.join( __dirname, libPath ) );
        }
        return loaded[ libName ];
      },
      enumerable: true
    });
  });
}