Use prefix to generate IDs

1 files changed, 13 insertions, 14 deletions

diff --git a/lib/document-to-html.js b/lib/document-to-html.js
index eec329f..b012ea9 100644
--- a/lib/document-to-html.js
+++ b/lib/document-to-html.js
@@ -33,10 +33,9 @@ function DocumentConversion(options) {
     var noteReferences = [];
     
     options = options || {};
-    var generateUniquifier = options.generateUniquifier || function() {
-        return Math.floor(Math.random() * 1000000000000000);
-    };
-    var uniquifier = generateUniquifier();
+    var idPrefix = options.idPrefix === undefined ?
+        Math.floor(Math.random() * 1000000000000000) :
+        options.idPrefix;
     
     var defaultParagraphStyle = htmlPaths.topLevelElement("p");
     
@@ -140,8 +139,12 @@ function DocumentConversion(options) {
         });
     });
 
-    function noteUid(id) {
-        return uniquifier + "-" + id;
+    function noteHtmlId(note) {
+        return idPrefix + "-" + note.noteType + "-" + note.noteId;
+    }
+    
+    function noteRefHtmlId(note) {
+        return idPrefix + "-" + note.noteType + "-ref-" + note.noteId;
     }
     
     function convertTable(element, html, messages, callback) {
@@ -235,12 +238,10 @@ function DocumentConversion(options) {
             });
         },
         "noteReference": function(element, html, messages, callback) {
-            var uid = noteUid(element.noteId);
-            
             html.open(htmlPaths.element("sup"));
             html.open(htmlPaths.element("a", {
-                href: "#" + element.noteType + "-" + uid,
-                id: element.noteType + "-ref-" + uid
+                href: "#" + noteHtmlId(element),
+                id: noteRefHtmlId(element)
             }));
             noteReferences.push(element);
             html.text("[" + (noteNumber++) + "]");
@@ -249,16 +250,14 @@ function DocumentConversion(options) {
             callback();
         },
         "note": function(element, html, messages, callback) {
-            var uid = noteUid(element.id);
-            
-            html.open(htmlPaths.element("li", {id: element.noteType + "-" + uid}));
+            html.open(htmlPaths.element("li", {id: noteHtmlId(element)}));
             var footnoteHtml = new HtmlGenerator();
             convertElements(element.body, footnoteHtml, messages, function(err) {
                 if (err) {
                     callback(err);
                 } else {
                     footnoteHtml.text(" ");
-                    footnoteHtml.open(htmlPaths.element("a", {href: "#" + element.noteType + "-ref-" + uid}));
+                    footnoteHtml.open(htmlPaths.element("a", {href: "#" + noteRefHtmlId(element)}));
                     footnoteHtml.text("↑");
                     footnoteHtml.closeAll();
                     html.append(footnoteHtml);