Track and warn about "Not yet documented" pages and also add "Not Yet Documented" to the top of these pages.

public/api-builder/angular.io-package/templates/class.template.html

@@ -9,7 +9,11 @@ p.location-badge.
   defined in {$ githubViewLink(doc) $}
 
 :markdown
+{%- if doc.notYetDocumented %}
+  ### *Not Yet Documented*
+{% else %}
 {$ doc.description | indentForMarkdown(2) | trimBlankLines $}
+{% endif -%}
 
 {%- if doc.decorators %}
 .l-main-section

public/api-builder/angular.io-package/templates/var.template.html

@@ -9,5 +9,9 @@ include ../../_util-fns
     defined in {$ githubViewLink(doc) $}
 
   :markdown
+{%- if doc.notYetDocumented %}
+    ### *Not Yet Documented*
+{% else %}
 {$ doc.description | indentForMarkdown(4) | trimBlankLines $}
+{% endif -%}
 {% endblock %}

public/api-builder/typescript-package/processors/readTypeScriptModules.js

@@ -4,7 +4,7 @@ var _ = require('lodash');
 var ts = require('typescript');
 
 module.exports = function readTypeScriptModules(tsParser, modules, getFileInfo,
-                                                getExportDocType, getContent, log) {
+                                                getExportDocType, getContent, createDocMessage, log) {
 
   return {
     $runAfter: ['files-read'],
@@ -126,6 +126,17 @@ module.exports = function readTypeScriptModules(tsParser, modules, getFileInfo,
             }
           }
 
+          // NotYetDocumented means that no top level comments and no member level comments
+          var notYetDocumented = exportDoc.content.trim().length == 0;
+          exportDoc.notYetDocumented = notYetDocumented && exportDoc.members.every(function(member) {
+            var content = member.content.trim();
+            return content.length == 0;
+          });
+
+          if (exportDoc.notYetDocumented) {
+            log.warn(createDocMessage("Not yet documented", exportDoc));
+          }
+
           if (sortClassMembers) {
             exportDoc.members.sort(function(a, b) {
               if (a.name > b.name) return 1;