Add plugins.resources for template context

2 files changed, 47 insertions, 1 deletions

diff --git a/lib/plugins/index.js b/lib/plugins/index.js
index 622f00c..8842342 100644
--- a/lib/plugins/index.js
+++ b/lib/plugins/index.js
@@ -2,6 +2,7 @@
 module.exports = {
     loadForBook:            require('./loadForBook'),
     validateConfig:         require('./validateConfig'),
-    installPlugins:         require('./installPlugins')
+    installPlugins:         require('./installPlugins'),
+    listResources:          require('./listResources')
 };
 
diff --git a/lib/plugins/listResources.js b/lib/plugins/listResources.js
new file mode 100644
index 0000000..b4a16cb
--- /dev/null
+++ b/lib/plugins/listResources.js
@@ -0,0 +1,45 @@
+var Immutable = require('immutable');
+var path = require('path');
+
+var LocationUtils = require('../utils/location');
+var PLUGIN_RESOURCES = require('../constants/pluginResources');
+
+/**
+    Encode plugins as JSON
+
+    @param {OrderedMap<String:Plugin>}
+    @param {String} type
+    @return {Map<String:List<{url, path}>}
+*/
+function listResources(plugins, type) {
+    return plugins.reduce(function(result, plugin) {
+        var npmId = plugin.getNpmID();
+        var resources = plugin.getResources(type);
+
+        PLUGIN_RESOURCES.forEach(function(resourceType) {
+            var assets = resources.get(resourceType);
+            if (!assets) return;
+
+            var list = result.get(resourceType) || Immutable.List();
+
+            assets = assets.map(function(assetFile) {
+                if (LocationUtils.isExternal(assetFile)) {
+                    return {
+                        url: assetFile
+                    };
+                } else {
+                    return {
+                        path: LocationUtils.normalize(path.join(npmId, assetFile))
+                    };
+                }
+            });
+
+            list = list.concat(assets);
+            result = result.set(resourceType, list);
+        });
+
+        return result;
+    }, Immutable.Map());
+}
+
+module.exports = listResources;