Release 1.9.0

Author: matthijsgroen

Diff for: CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.9.0] - 2019-01-22
+### Fixed
+- Improved detection for recursion and roots
+
 ## [1.8.2] - 2019-01-21
 ### Changed
 - Updated example outputs

Diff for: package.json

@@ -1,6 +1,6 @@
 {
   "name": "ebnf2railroad",
-  "version": "1.8.2",
+  "version": "1.9.0",
   "description": "EBNF to Railroad diagram",
   "keywords": [
     "ebnf",

Diff for: src/toc.js

@@ -73,12 +73,12 @@ const createStructuralToc = ast => {
     // b -> c -> a -> b, vs.
     // c -> a -> b -> c. Check which one is defined first, that one wins
     .filter((root, index, list) => {
-      const childIndex = Math.min(
-        flatList(root.children || [])
-          .filter(node => node !== root.name)
-          .map(node => list.map(p => p.name).indexOf(node))
-          .filter(e => e !== -1)
-      );
+      const indices = flatList(root.children || [])
+        .filter(node => node !== root.name)
+        .map(node => list.map(p => p.name).indexOf(node))
+        .filter(e => e !== -1);
+      const childIndex = Math.min(...indices);
+
       return index < childIndex;
     });