From 113ba5fd8bb0beab81dd396758b36c687f27bb2e Mon Sep 17 00:00:00 2001
From: squidfunk <scifish@gmail.com>
Date: Wed, 28 Dec 2016 12:32:03 +0100
Subject: [PATCH] Fix initialization logic of toc blurring

---
 ...ation-e4e6991dc0.js => application-cd89c74ae5.js} |  2 +-
 material/base.html                                   |  2 +-
 .../javascripts/components/Material/Nav/Blur.js      | 12 +++++++-----
 3 files changed, 9 insertions(+), 7 deletions(-)
 rename material/assets/javascripts/{application-e4e6991dc0.js => application-cd89c74ae5.js} (84%)

diff --git a/material/assets/javascripts/application-e4e6991dc0.js b/material/assets/javascripts/application-cd89c74ae5.js
similarity index 84%
rename from material/assets/javascripts/application-e4e6991dc0.js
rename to material/assets/javascripts/application-cd89c74ae5.js
index 51abbc2f2..82556e1ee 100644
--- a/material/assets/javascripts/application-e4e6991dc0.js
+++ b/material/assets/javascripts/application-cd89c74ae5.js
@@ -5,7 +5,7 @@ var Application=function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]
 	  * @copyright The Financial Times Limited [All Rights Reserved]
 	  * @license MIT License (see LICENSE.txt)
 	  */
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searching"),this.list_=r.createElement("ol",{"class":"md-search-result__list"}),this.el_.appendChild(this.meta_),this.el_.appendChild(this.list_)}return a(e,[{key:"update",value:function(e){var t=this;if("focus"!==e.type||this.index_){if("keyup"===e.type){for(;this.list_.firstChild;)this.list_.removeChild(this.list_.firstChild);var n=this.index_.search(e.target.value),o=!0,i=!1,a=void 0;try{for(var s,l=n[Symbol.iterator]();!(o=(s=l.next()).done);o=!0){var c=s.value,f=this.data_[c.ref];this.list_.appendChild(r.createElement("li",{"class":"md-search-result__item"},r.createElement("a",{href:f.location,title:f.title,"class":"md-search-result__link"},r.createElement("article",{"class":"md-search-result__article"},r.createElement("h1",{"class":"md-search-result__title"},f.title),r.createElement("p",{"class":"md-search-result__teaser"},f.text)))))}}catch(d){i=!0,a=d}finally{try{!o&&l["return"]&&l["return"]()}finally{if(i)throw a}}this.meta_.textContent=n.length+" search result"+(1!==n.length?"s":"")}}else!function(){var e=function(e){t.index_=(0,u["default"])(function(){this.field("title",{boost:10}),this.field("text"),this.ref("location")}),t.data_=e.reduce(function(e,n){return t.index_.add(n),e[n.location]=n,e},{})};setTimeout(function(){return"function"==typeof t.data_?t.data_().then(e):e(t.data_)},250)}()}}]),e}();t["default"]=l,e.exports=t["default"]}).call(t,n(16))},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t["default"]={createElement:function(e,t){var n=document.createElement(e);if(t){var r=!0,o=!1,i=void 0;try{for(var a,s=Object.keys(t)[Symbol.iterator]();!(r=(a=s.next()).done);r=!0){var u=a.value;n.setAttribute(u,t[u])}}catch(l){o=!0,i=l}finally{try{!r&&s["return"]&&s["return"]()}finally{if(o)throw i}}}for(var c=function p(e){var t=!0,r=!1,o=void 0;try{for(var i,a=e[Symbol.iterator]();!(t=(i=a.next()).done);t=!0){var s=i.value;"string"==typeof s||"number"==typeof s?n.textContent+=s:Array.isArray(s)?p(s):n.appendChild(s)}}catch(u){r=!0,o=u}finally{try{!t&&a["return"]&&a["return"]()}finally{if(r)throw o}}},f=arguments.length,d=Array(f>2?f-2:0),h=2;h<f;h++)d[h-2]=arguments[h];return c(d),n}},e.exports=t["default"]},function(e,t,n){var r,o;"function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};!function(){var i=function a(e){var t=new a.Index;return t.pipeline.add(a.trimmer,a.stopWordFilter,a.stemmer),e&&e.call(t,t),t};i.version="0.7.1",/*!
 	   * lunr.utils
 	   * Copyright (C) 2016 Oliver Nightingale
 	   */
diff --git a/material/base.html b/material/base.html
index b4eb29497..921903fa9 100644
--- a/material/base.html
+++ b/material/base.html
@@ -109,7 +109,7 @@
           <script src="https://cdn.mathjax.org/{{ path }}"></script>
         {% endif %}
       {% endfor %}
-      <script src="{{ base_url }}/assets/javascripts/application-e4e6991dc0.js"></script>
+      <script src="{{ base_url }}/assets/javascripts/application-cd89c74ae5.js"></script>
       <script>
         /* Configuration for application */
         var config = {
diff --git a/src/assets/javascripts/components/Material/Nav/Blur.js b/src/assets/javascripts/components/Material/Nav/Blur.js
index cecf4c25a..24cc77273 100644
--- a/src/assets/javascripts/components/Material/Nav/Blur.js
+++ b/src/assets/javascripts/components/Material/Nav/Blur.js
@@ -41,10 +41,9 @@ export default class Blur {
     this.index_  = 0
     this.offset_ = window.pageYOffset
 
-    /* Index anchor node offsets for fast lookup, and deduct the static offset
-       of the header (56px) and sidebar offset (24px), see _permalinks.scss */
+    /* Index anchor node offsets for fast lookup */
     this.anchors_ = [].map.call(this.els_, el => {
-      return document.querySelector(el.hash).offsetTop - (56 + 24)
+      return document.querySelector(el.hash)
     })
   }
 
@@ -57,6 +56,9 @@ export default class Blur {
 
   /**
    * Update anchor states
+   *
+   * Deduct the static offset of the header (56px) and sidebar offset (24px),
+   * see _permalinks.scss for more information.
    */
   update() {
     const offset = window.pageYOffset
@@ -68,7 +70,7 @@ export default class Blur {
     /* Scroll direction is down */
     if (this.offset_ <= offset) {
       for (let i = this.index_ + 1; i < this.els_.length; i++) {
-        if (this.anchors_[i] <= offset) {
+        if (this.anchors_[i].offsetTop - (56 + 24) <= offset) {
           if (i > 0)
             this.els_[i - 1].dataset.mdState = "blur"
           this.index_ = i
@@ -80,7 +82,7 @@ export default class Blur {
     /* Scroll direction is up */
     } else {
       for (let i = this.index_; i >= 0; i--) {
-        if (this.anchors_[i] > offset) {
+        if (this.anchors_[i].offsetTop - (56 + 24) > offset) {
           if (i > 0)
             this.els_[i - 1].dataset.mdState = ""
         } else {