forked from zhurui/management
41 lines
675 B
Markdown
41 lines
675 B
Markdown
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# iferr
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Higher-order functions for easier error handling.
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`if (err) return cb(err);` be gone!
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## Install
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```bash
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npm install iferr
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```
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## Use
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### JavaScript example
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```js
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var iferr = require('iferr');
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function get_friends_count(id, cb) {
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User.load_user(id, iferr(cb, function(user) {
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user.load_friends(iferr(cb, function(friends) {
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cb(null, friends.length);
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}));
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}));
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}
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```
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### CoffeeScript example
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```coffee
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iferr = require 'iferr'
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get_friends_count = (id, cb) ->
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User.load_user id, iferr cb, (user) ->
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user.load_friends iferr cb, (friends) ->
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cb null, friends.length
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```
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(TODO: document tiferr, throwerr and printerr)
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## License
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MIT
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