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/*
* args.js: function argument parsing helper utility
*
* (C) 2011, Charlie Robbins & the Contributors
* 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;
};