| 1 | exports.Promise = Promise; |
| 2 | |
| 3 | function Promise(opts) { |
| 4 | opts = opts || {}; |
| 5 | |
| 6 | var success_cb = opts.success || null; |
| 7 | var fail_cb = opts.fail || null; |
| 8 | |
| 9 | return { |
| 10 | handle: function (promise) { |
| 11 | promise(function (err) { |
| 12 | if (err) { |
| 13 | if (fail_cb) fail_cb(err); |
| 14 | } else { |
| 15 | var args = Array.prototype.slice.call(arguments, 1); |
| 16 | |
| 17 | if (success_cb) success_cb.apply(null, args); |
| 18 | } |
| 19 | }); |
| 20 | }, |
| 21 | success: function (cb) { |
| 22 | success_cb = cb; |
| 23 | return this; |
| 24 | }, |
| 25 | fail: function (cb) { |
| 26 | fail_cb = cb; |
| 27 | return this; |
| 28 | } |
| 29 | }; |
| 30 | } |