Fix GitbookIO#303: generate header id the same as github

SamyPesse · SamyPesse · commit 82f814fdbd34 · 2014-07-12T23:23:03.000+02:00
diff --git a/lib/parse/renderer.js b/lib/parse/renderer.js
@@ -146,5 +146,10 @@ GitBookRenderer.prototype.code = function(code, lang, escaped) {
     );
 };
 
+GitBookRenderer.prototype.heading = function(text, level, raw) {
+    var id = this.options.headerPrefix + raw.toLowerCase().replace(/[^\w -]+/g, '').replace(/ /g, '-');
+    return '<h' + level + ' id="' + id + '">' + text + '</h' + level + '>\n';
+};
+
 // Exports
 module.exports = GitBookRenderer;
