git.r.bdr.sh - rbdr/dotfiles/blob

   1 'use strict';
   2
   3 var assign        = require('es5-ext/object/assign')
   4   , normalizeOpts = require('es5-ext/object/normalize-options')
   5   , isCallable    = require('es5-ext/object/is-callable')
   6   , contains      = require('es5-ext/string/#/contains')
   7
   8   , d;
   9
  10 d = module.exports = function (dscr, value/*, options*/) {
  11         var c, e, w, options, desc;
  12         if ((arguments.length < 2) || (typeof dscr !== 'string')) {
  13                 options = value;
  14                 value = dscr;
  15                 dscr = null;
  16         } else {
  17                 options = arguments[2];
  18         }
  19         if (dscr == null) {
  20                 c = w = true;
  21                 e = false;
  22         } else {
  23                 c = contains.call(dscr, 'c');
  24                 e = contains.call(dscr, 'e');
  25                 w = contains.call(dscr, 'w');
  26         }
  27
  28         desc = { value: value, configurable: c, enumerable: e, writable: w };
  29         return !options ? desc : assign(normalizeOpts(options), desc);
  30 };
  31
  32 d.gs = function (dscr, get, set/*, options*/) {
  33         var c, e, options, desc;
  34         if (typeof dscr !== 'string') {
  35                 options = set;
  36                 set = get;
  37                 get = dscr;
  38                 dscr = null;
  39         } else {
  40                 options = arguments[3];
  41         }
  42         if (get == null) {
  43                 get = undefined;
  44         } else if (!isCallable(get)) {
  45                 options = get;
  46                 get = set = undefined;
  47         } else if (set == null) {
  48                 set = undefined;
  49         } else if (!isCallable(set)) {
  50                 options = set;
  51                 set = undefined;
  52         }
  53         if (dscr == null) {
  54                 c = true;
  55                 e = false;
  56         } else {
  57                 c = contains.call(dscr, 'c');
  58                 e = contains.call(dscr, 'e');
  59         }
  60
  61         desc = { get: get, set: set, configurable: c, enumerable: e };
  62         return !options ? desc : assign(normalizeOpts(options), desc);
  63 };