1 files changed, 32 insertions, 15 deletions
diff --git a/lib/plugins/plugin.js b/lib/plugins/plugin.js
index 094c82d..7fb44b2 100644
--- a/lib/plugins/plugin.js
+++ b/lib/plugins/plugin.js
@@ -34,6 +34,9 @@ function BookPlugin(book, pluginId) {
     this.packageInfos = undefined;
     this.content = undefined;
 
+    // Cache for resources
+    this._resources = {};
+
     _.bindAll(this);
 }
 
@@ -191,25 +194,37 @@ BookPlugin.prototype.hook = function(name, input) {
 
 // Return resources without normalization
 BookPlugin.prototype._getResources = function(base) {
-    base = base;
-    var book = this.content[base];
+    var that = this;
+
+    return Promise()
+    .then(function() {
+        if (that._resources[base]) return that._resources[base];
 
-    // Compatibility with version 1.x.x
-    if (base == 'website') book = book || this.content.book;
+        base = base;
+        var book = that.content[base];
 
-    // Nothing specified, fallback to default
-    if (!book) {
-        return Promise({});
-    }
+        // Compatibility with version 1.x.x
+        if (base == 'website') book = book || that.content.book;
 
-    // Dynamic function
-    if(typeof book === 'function') {
-        // Call giving it the context of our book
-        return Promise().then(book.bind(this.book));
-    }
+        // Nothing specified, fallback to default
+        if (!book) {
+            return Promise({});
+        }
 
-    // Plain data object
-    return Promise(_.cloneDeep(book));
+        // Dynamic function
+        if(typeof book === 'function') {
+            // Call giving it the context of our book
+            return book.call(that.book);
+        }
+
+        // Plain data object
+        return book;
+    })
+
+    .then(function(resources) {
+        that._resources[base] = resources;
+        return _.cloneDeep(resources);
+    });
 };
 
 // Normalize a specific resource
@@ -256,3 +271,5 @@ BookPlugin.prototype.getBlocks = function() {
 };
 
 module.exports = BookPlugin;
+module.exports.RESOURCES = RESOURCES;
+