README.md
1# iferr
2
3Higher-order functions for easier error handling.
4
5`if (err) return cb(err);` be gone!
6
7## Install
8```bash
9npm install iferr
10```
11
12## Use
13
14### JavaScript example
15```js
16var iferr = require('iferr');
17
18function get_friends_count(id, cb) {
19 User.load_user(id, iferr(cb, function(user) {
20 user.load_friends(iferr(cb, function(friends) {
21 cb(null, friends.length);
22 }));
23 }));
24}
25```
26
27### CoffeeScript example
28```coffee
29iferr = require 'iferr'
30
31get_friends_count = (id, cb) ->
32 User.load_user id, iferr cb, (user) ->
33 user.load_friends iferr cb, (friends) ->
34 cb null, friends.length
35```
36
37(TODO: document tiferr, throwerr and printerr)
38
39## License
40MIT
41