1 files changed, 30 insertions, 0 deletions
diff --git a/packages/gitbook/src/json/encodeSummaryArticle.js b/packages/gitbook/src/json/encodeSummaryArticle.js
new file mode 100644
index 0000000..0fb6368
--- /dev/null
+++ b/packages/gitbook/src/json/encodeSummaryArticle.js
@@ -0,0 +1,30 @@
+
+/**
+ * Encode a SummaryArticle to JSON
+ *
+ * @param  {SummaryArticle} article
+ * @param  {URIIndex} urls
+ * @param  {Boolean} recursive
+ * @return {Object}
+ */
+function encodeSummaryArticle(article, urls, recursive) {
+    let articles = undefined;
+    if (recursive !== false) {
+        articles = article.getArticles()
+            .map(innerArticle => encodeSummaryArticle(innerArticle, urls, recursive))
+            .toJS();
+    }
+
+    return {
+        title:  article.getTitle(),
+        level:  article.getLevel(),
+        depth:  article.getDepth(),
+        anchor: article.getAnchor(),
+        url:    urls.resolveToURL(article.getPath() || article.getUrl()),
+        path:   article.getPath(),
+        ref:    article.getRef(),
+        articles
+    };
+}
+
+module.exports = encodeSummaryArticle;