Add detection of text direction and provide: 'page.dir'

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/page/index.js b/lib/page/index.js
index bc12529..d8b5fff 100644
--- a/lib/page/index.js
+++ b/lib/page/index.js
@@ -1,6 +1,7 @@
 var _ = require('lodash');
 var path = require('path');
 var parsers = require('gitbook-parsers');
+var direction = require('direction');
 
 var error = require('../utils/error');
 var pathUtil = require('../utils/path');
@@ -101,6 +102,13 @@ Page.prototype.getContext = function() {
     var next = article? article.next() : null;
     var prev = article? article.prev() : null;
 
+    // Detect text direction in this page
+    var dir = this.book.config.get('direction');
+    if (!dir) {
+        dir = direction(this.content);
+        if (dir == 'neutral') dir = null;
+    }
+
     return {
         file: {
             path: this.path,
@@ -112,7 +120,8 @@ Page.prototype.getContext = function() {
             next: next? next.getContext() : null,
             previous: prev? prev.getContext() : null,
             level: article? article.level : null,
-            content: this.content
+            content: this.content,
+            dir: dir
         }
     };
 };