From d48664fc5f77bcda43df65a3367d1fb2d2680b22 Mon Sep 17 00:00:00 2001
From: Aman Jain <jainaman224@gmail.com>
Date: Tue, 13 Feb 2018 00:44:24 +0530
Subject: [PATCH] help: Fix links with query selector from left sidebar.

This resolves the issue of scrolling to correct position when loaded
from left sidebar to a link with query selector.

Fixes #6714.
---
 static/js/portico/help.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/static/js/portico/help.js b/static/js/portico/help.js
index c5e4d16182..91793c1b3d 100644
--- a/static/js/portico/help.js
+++ b/static/js/portico/help.js
@@ -69,6 +69,15 @@ function render_code_sections() {
     }
 }
 
+function scrollToHash(container) {
+    var hash = window.location.hash;
+    if (hash !== '') {
+        container.scrollTop = $(hash).position().top - $('.markdown .content').position().top;
+    } else {
+        container.scrollTop = 0;
+    }
+}
+
 (function () {
     var html_map = {};
     var loading = {
@@ -117,6 +126,7 @@ function render_code_sections() {
             $(".markdown .content").html(html_map[path]);
             Ps.update(container);
             render_code_sections();
+            scrollToHash(container);
         } else {
             loading.name = path;
 
@@ -125,10 +135,10 @@ function render_code_sections() {
                 $(".markdown .content").html(html_map[path]);
                 loading.name = null;
                 Ps.update(container);
+                scrollToHash(container);
             });
         }
 
-        container.scrollTop = 0;
         $(".sidebar").removeClass("show");
 
         e.preventDefault();