Merge pull request #110 from rodrigobdz/master

Implement Yarn packages lookup

README.md

@@ -1,4 +1,4 @@
-# Package Managers ([Download v3.18](https://github.com/willfarrell/alfred-pkgman-workflow/releases/download/3.18/Package.Managers.alfredworkflow))
+# Package Managers ([Download v3.19](https://github.com/willfarrell/alfred-pkgman-workflow/releases/download/3.19/Package.Managers.alfredworkflow))
 
 Package Repo Search
 
@@ -33,6 +33,7 @@ Quick package/plugin/component (repo) lookup for your favourite package managers
 * `raspbian {query}`: [Rasberry Pi Packages](http://www.raspbian.org)
 * `rpm {query}`: [Linux Packages](http://rpmfind.net)
 * `st {query}`: [Sublime Text Packages](https://packagecontrol.io)
+* `yarn {query}`: [Yarn Packages](https://yarnpkg.com/lang/en/)
 * `yo {query}`: [Yeoman Generators](http://yeoman.io)
 
 ## Action Modifiers
@@ -93,4 +94,5 @@ Featured on [Smashing Magazine](http://www.smashingmagazine.com/2013/10/25/hidde
 [pypi]: ./screenshots/pypi.png "Sample pypi result"
 [rpm]: ./screenshots/rpm.png "Sample rpm result"
 [st]: ./screenshots/stpm.png "Sample stpm result"
+[yarn]: ./screenshots/yarn.png "Sample yarn result"
 [yo]: ./screenshots/yo.png "Sample yo result"

src/Yarn.php

@@ -0,0 +1,52 @@
+<?php
+namespace WillFarrell\AlfredPkgMan;
+
+require_once('Cache.php');
+require_once('Repo.php');
+
+class Yarn extends Repo
+{
+  protected $id         = 'yarn';
+  protected $url        = 'https://npms.io';
+  protected $search_url = 'https://api.npms.io/v2/search?q=';
+  protected $yarn_url   = 'https://yarnpkg.com/en/package/';
+
+  public function search($query)
+  {
+    if (!$this->hasMinQueryLength($query)) {
+      return $this->xml();
+    }
+
+    $this->pkgs = $this->cache->get_query_json(
+      $this->id,
+      $query,
+      "{$this->search_url}{$query}&size={$this->max_return}"
+    );
+
+    foreach($this->pkgs->results as $pkg) {
+      $p = $pkg->package;
+      $name = $p->name;
+
+      $this->cache->w->result(
+        $this->id,
+        $this->makeArg($name, $yarn_url . $p->name, "{$p->name}: {$p->version}"),
+        $name,
+        $p->description,
+        "icon-cache/{$this->id}.png"
+      );
+
+      // only search till max return reached
+      if ( count ( $this->cache->w->results() ) == $this->max_return ) {
+        break;
+      }
+    }
+
+    $this->noResults($query, "{$this->search_url}{$query}");
+
+    return $this->xml();
+  }
+}
+
+// Test code, uncomment to debug this script from the command-line
+// $repo = new Yarn();
+// echo $repo->search('gr');