| /* |
| * args.js: function argument parsing helper utility |
| * |
| * (C) 2012, Nodejitsu Inc. |
| * MIT LICENSE |
| * |
| */ |
| |
| var utile = require('./index'); |
| |
| // |
| // ### function args(_args) |
| // #### _args {Arguments} Original function arguments |
| // |
| // Top-level method will accept a javascript "arguments" object (the actual keyword |
| // "arguments" inside any scope), and attempt to return back an intelligent object |
| // representing the functions arguments |
| // |
| module.exports = function (_args) { |
| var args = utile.rargs(_args), |
| _cb; |
| |
| // |
| // Find and define the first argument |
| // |
| Object.defineProperty(args, 'first', { value: args[0] }); |
| |
| // |
| // Find and define any callback |
| // |
| _cb = args[args.length - 1] || args[args.length]; |
| if (typeof _cb === "function") { |
| Object.defineProperty(args, 'callback', { value: _cb }); |
| Object.defineProperty(args, 'cb', { value: _cb }); |
| args.pop(); |
| } |
| |
| // |
| // Find and define the last argument |
| // |
| if (args.length) { |
| Object.defineProperty(args, 'last', { value: args[args.length - 1] }); |
| } |
| |
| return args; |
| }; |
