Add ability to load custom rules

README.md

@@ -23,6 +23,12 @@ Default value: `false`
 
 Set `force` to `true` to report CoffeeLint errors but not fail the task.
 
+### rules
+Type: `Array`
+Default value: `[]`
+
+List of npm packages to be loaded as custom rules. They have to be requirable so included in project's package.json or available as global package.
+
 ## Configuration
 
 `coffeelint` is a multitask, so you can use it similary to `lint`, `watch` etc...
@@ -75,6 +81,18 @@ grunt.initConfig({
 });
 ````
 
+### Custom rules
+
+````javascript
+grunt.initConfig({
+ ...
+ coffeelint: {
+ rules: ['coffeelint-complex-conditions']
+ },
+ ...
+});
+````
+
 ### Loading external config
 
 ````javascript

tasks/coffeelint.js

@@ -18,6 +18,15 @@ module.exports = function(grunt) {
  options = config;
  }
 
+ (options.rules || []).forEach(function(rule) {
+ try {
+ var RuleProcessor = require(rule);
+ coffeelint.registerRule(RuleProcessor);
+ } catch (e) {
+ return grunt.log.error(e);
+ }
+ });
+
  files.forEach(function(file) {
  grunt.verbose.writeln('Linting ' + file + '...');