1 files changed, 24 insertions, 0 deletions
diff --git a/lib/modifiers/summary/indexPartLevels.js b/lib/modifiers/summary/indexPartLevels.js
new file mode 100644
index 0000000..19ba089
--- /dev/null
+++ b/lib/modifiers/summary/indexPartLevels.js
@@ -0,0 +1,24 @@
+var indexArticleLevels = require('./indexArticleLevels');
+
+/**
+    Index levels in a part
+
+    @param {Part}
+    @param {Number} index
+    @return {Part}
+*/
+function indexPartLevels(part, index) {
+    var baseLevel = String(index + 1);
+    var articles = part.getArticle();
+
+    articles = articles.map(function(inner, i) {
+        return indexArticleLevels(inner, baseLevel + '.' + (i + 1));
+    });
+
+    return part.merge({
+        level: baseLevel,
+        articles: articles
+    });
+}
+
+module.exports = indexPartLevels;