Close #44 PR: Add option for Node.js require resolution algorithm. Fixes

 #42

Gruntfile.js

@@ -1,9 +1,10 @@
 'use strict';
 module.exports = function (grunt) {
 	require('./')(grunt, {
-		pattern: ['*'],
+		pattern: ['grunt*'],
 		config: require('./package'),
-		scope: 'devDependencies'
+		scope: 'devDependencies',
+		requireResolution: true
 	});
 
 	grunt.initConfig({

index.js

@@ -3,6 +3,7 @@ var path = require('path');
 var pkgUp = require('pkg-up');
 var multimatch = require('multimatch');
 var arrify = require('arrify');
+var resolveCwd = require('resolve-cwd');
 
 module.exports = function (grunt, opts) {
 	opts = opts || {};
@@ -22,5 +23,17 @@ module.exports = function (grunt, opts) {
 		return result.concat(Array.isArray(deps) ? deps : Object.keys(deps));
 	}, []);
 
-	multimatch(names, pattern).forEach(grunt.loadNpmTasks);
+	multimatch(names, pattern).forEach(function (pkgName) {
+		if (opts.requireResolution === true) {
+			// This resolution is complicated because most grunt plugins are written
+			// in violation of package.json conventions. And example is not having a
+			// `main` field defined, which will cause `require` or `resolve`
+			// to fail. So better to lookup a guaranteed file, such as package.json.
+			var pkg = resolveCwd(path.join(pkgName, 'package.json'));
+			var root = path.dirname(pkg);
+			pkgName = path.join(root, 'tasks');
+		}
+
+		grunt.loadTasks(pkgName);
+	});
 };

package.json

@@ -29,7 +29,8 @@
   "dependencies": {
     "arrify": "^1.0.0",
     "multimatch": "^2.0.0",
-    "pkg-up": "^1.0.0"
+    "pkg-up": "^1.0.0",
+    "resolve-cwd": "^1.0.0"
   },
   "devDependencies": {
     "grunt": "^0.4.2",

readme.md

@@ -6,7 +6,6 @@ Usually you would have to load each task one by one, which is unnecessarily cumb
 
 This module will read the `dependencies`/`devDependencies`/`peerDependencies`/`optionalDependencies` in your package.json and load grunt tasks that match the provided patterns.
 
-
 #### Before
 
 ```js
@@ -102,13 +101,20 @@ require('load-grunt-tasks')(grunt, {scope: 'devDependencies'});
 require('load-grunt-tasks')(grunt, {scope: ['devDependencies', 'dependencies']});
 ```
 
+### Load from all `node_modules` in the current hierarchy
+
+```js
+require('load-grunt-tasks')(grunt, {requireResolution: true});
+```
+
 ### All options in use
 
 ```js
 require('load-grunt-tasks')(grunt, {
 	pattern: 'grunt-contrib-*',
 	config: '../package.json',
-	scope: 'devDependencies'
+	scope: 'devDependencies',
+	requireResolution: false
 });
 ```
 
@@ -131,6 +137,12 @@ Type: `string`, `array`
 Default: `['dependencies', 'devDependencies', 'peerDependencies', 'optionalDependencies']`  
 Values: `'dependencies'`, `'devDependencies'`, `'peerDependencies'`, `'optionalDependencies'`, `'bundledDependencies'`
 
+### requireResolution
+
+Traverse the file hierarchy, just like node does when requiring modules.
+
+Type: `boolean`
+Default: `false`
 
 ## License