Merge pull request #7192 from vsalvino/searchfix

Fix search in dirhtml output

AUTHORS

@@ -64,6 +64,7 @@ Other contributors, listed alphabetically, are:
 * \T. Powers -- HTML output improvements
 * Jeppe Pihl -- literalinclude improvements
 * Rob Ruana -- napoleon extension
+* Vince Salvino -- JavaScript search improvements
 * Stefan Seefeld -- toctree improvements
 * Gregory Szorc -- performance improvements
 * Taku Shimizu -- epub3 builder

CHANGES

@@ -20,6 +20,8 @@ Bugs fixed
   properly
 * #7189: autodoc: classmethod coroutines are not detected
 * #7183: intersphinx: ``:attr:`` reference to property is broken
+* (#6244, #6387): Search breaks/hangs when built with ``dirhtml``.
+
 
 Testing
 --------

doc/templating.rst

@@ -121,6 +121,17 @@ The following blocks exist in the ``layout.html`` template:
     The contents of the document itself.  It contains the block "body" where the
     individual content is put by subtemplates like ``page.html``.
 
+    .. note::
+        In order for the built-in JavaScript search to show a page preview on
+        the results page, the document or body content should be wrapped in an
+        HTML element containing the ``role="main"`` attribute. For example:
+
+        .. sourcecode:: html+jinja
+
+            <div role="main">
+              {% block document %}{% endblock %}
+            </div>
+
 `sidebar1` / `sidebar2`
     A possible location for a sidebar.  `sidebar1` appears before the document
     and is empty by default, `sidebar2` after the document and contains the
@@ -427,5 +438,3 @@ are in HTML form), these variables are also available:
 
    * ``includehidden`` (``False`` by default): if true, the TOC tree will also
      contain hidden entries.
-
-

sphinx/themes/basic/static/searchtools.js

@@ -63,6 +63,9 @@ var Search = {
       htmlElement.innerHTML = htmlString;
       $(htmlElement).find('.headerlink').remove();
       docContent = $(htmlElement).find('[role=main]')[0];
+      if(docContent === undefined) {
+        return "";
+      }
       return docContent.textContent || docContent.innerText;
   },
 
@@ -245,6 +248,7 @@ var Search = {
       if (results.length) {
         var item = results.pop();
         var listItem = $('<li style="display:none"></li>');
+        var requestUrl = "";
         if (DOCUMENTATION_OPTIONS.BUILDER === 'dirhtml') {
           // dirhtml builder
           var dirname = item[0] + '/';
@@ -253,23 +257,23 @@ var Search = {
           } else if (dirname == 'index/') {
             dirname = '';
           }
-          listItem.append($('<a/>').attr('href',
-            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
-            highlightstring + item[2]).html(item[1]));
+          requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + dirname;
+
         } else {
           // normal html builders
-          listItem.append($('<a/>').attr('href',
-            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
-            highlightstring + item[2]).html(item[1]));
+          requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX;
         }
+        listItem.append($('<a/>').attr('href',
+            requestUrl +
+            highlightstring + item[2]).html(item[1]));
         if (item[3]) {
           listItem.append($('<span> (' + item[3] + ')</span>'));
           Search.output.append(listItem);
           listItem.slideDown(5, function() {
             displayNextItem();
           });
         } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
-          $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX,
+          $.ajax({url: requestUrl,
                   dataType: "text",
                   complete: function(jqxhr, textstatus) {
                     var data = jqxhr.responseText;