Adding integrated tile server

[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / fs-write-stream-atomic / node_modules / iferr / README.md

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