From f628456c06b0a57ebbf0a413f1d0d58fb37a9c48 Mon Sep 17 00:00:00 2001
From: Dan Allen <dan@opendevise.com>
Date: Wed, 18 Mar 2020 16:30:43 -0600
Subject: [PATCH] improve implementation for #99 and add example to preview
 site

---
 preview-src/index.adoc       |  5 +++++
 src/js/02-fragment-jumper.js | 12 ++++++++----
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/preview-src/index.adoc b/preview-src/index.adoc
index 25df1c1..d07cf0f 100644
--- a/preview-src/index.adoc
+++ b/preview-src/index.adoc
@@ -211,6 +211,11 @@ Ex nam suas nemore dignissim, vel apeirian democritum et.
 .Antora is a multi-repo documentation site generator
 image::multirepo-ssg.svg[Multirepo SSG,250]
 
+Make the switch today!
+
+[#english+中文]
+== English + 中文
+
 Altera atomorum his ex, has cu elitr melius propriae.
 Eos suscipit scaevola at.
 
diff --git a/src/js/02-fragment-jumper.js b/src/js/02-fragment-jumper.js
index e3b6ed5..5f9462a 100644
--- a/src/js/02-fragment-jumper.js
+++ b/src/js/02-fragment-jumper.js
@@ -4,6 +4,10 @@
   var article = document.querySelector('article.doc')
   var toolbar = document.querySelector('.toolbar')
 
+  function decodeFragment (hash) {
+    return hash && (~hash.indexOf('%') ? decodeURIComponent(hash) : hash).slice(1)
+  }
+
   function computePosition (el, sum) {
     if (article.contains(el)) {
       return computePosition(el.offsetParent, el.offsetTop + sum)
@@ -21,8 +25,8 @@
   }
 
   window.addEventListener('load', function jumpOnLoad (e) {
-    var hash, target
-    if ((hash = window.location.hash) && (target = document.getElementById(hash.slice(1)))) {
+    var fragment, target
+    if ((fragment = decodeFragment(window.location.hash)) && (target = document.getElementById(fragment))) {
       jumpToAnchor.bind(target)()
       setTimeout(jumpToAnchor.bind(target), 0)
     }
@@ -30,8 +34,8 @@
   })
 
   Array.prototype.slice.call(document.querySelectorAll('a[href^="#"]')).forEach(function (el) {
-    var hash, target
-    if ((hash = decodeURIComponent(el.hash.slice(1))) && (target = document.getElementById(hash))) {
+    var fragment, target
+    if ((fragment = decodeFragment(el.hash)) && (target = document.getElementById(fragment))) {
       el.addEventListener('click', jumpToAnchor.bind(target))
     }
   })
-- 
2.11.0