Added back patched

material/assets/manifest.json

@@ -1,16 +1,16 @@
 {
-  "assets/javascripts/bundle.js": "assets/javascripts/bundle.2bc3a92a.min.js",
-  "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.2bc3a92a.min.js.map",
-  "assets/javascripts/vendor.js": "assets/javascripts/vendor.6b8ac966.min.js",
-  "assets/javascripts/vendor.js.map": "assets/javascripts/vendor.6b8ac966.min.js.map",
+  "assets/javascripts/bundle.js": "assets/javascripts/bundle.4fa4ebaf.min.js",
+  "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.4fa4ebaf.min.js.map",
+  "assets/javascripts/vendor.js": "assets/javascripts/vendor.e32ed4d0.min.js",
+  "assets/javascripts/vendor.js.map": "assets/javascripts/vendor.e32ed4d0.min.js.map",
   "assets/javascripts/worker/search.js": "assets/javascripts/worker/search.b9424174.min.js",
   "assets/javascripts/worker/search.js.map": "assets/javascripts/worker/search.b9424174.min.js.map",
-  "assets/stylesheets/main.css": "assets/stylesheets/main.6ced4fc6.min.css",
-  "assets/stylesheets/main.css.map": "assets/stylesheets/main.6ced4fc6.min.css.map",
+  "assets/stylesheets/main.css": "assets/stylesheets/main.a86e6725.min.css",
+  "assets/stylesheets/main.css.map": "assets/stylesheets/main.a86e6725.min.css.map",
   "assets/stylesheets/palette.css": "assets/stylesheets/palette.e70b70b6.min.css",
   "assets/stylesheets/palette.css.map": "assets/stylesheets/palette.e70b70b6.min.css.map",
-  "overrides/assets/javascripts/bundle.js": "overrides/assets/javascripts/bundle.b79ba6f2.min.js",
-  "overrides/assets/javascripts/bundle.js.map": "overrides/assets/javascripts/bundle.b79ba6f2.min.js.map",
+  "overrides/assets/javascripts/bundle.js": "overrides/assets/javascripts/bundle.9f9f98ea.min.js",
+  "overrides/assets/javascripts/bundle.js.map": "overrides/assets/javascripts/bundle.9f9f98ea.min.js.map",
   "overrides/assets/javascripts/vendor.js": "overrides/assets/javascripts/vendor.1aa446d9.min.js",
   "overrides/assets/javascripts/vendor.js.map": "overrides/assets/javascripts/vendor.1aa446d9.min.js.map",
   "overrides/assets/stylesheets/main.css": "overrides/assets/stylesheets/main.8e98f424.min.css",

material/base.html

@@ -39,7 +39,7 @@
       {% endif %}
     {% endblock %}
     {% block styles %}
-      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.6ced4fc6.min.css' | url }}">
+      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.a86e6725.min.css' | url }}">
       {% if config.theme.palette %}
         {% set palette = config.theme.palette %}
         <link rel="stylesheet" href="{{ 'assets/stylesheets/palette.e70b70b6.min.css' | url }}">
@@ -216,8 +216,8 @@
       </script>
     {% endblock %}
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/vendor.6b8ac966.min.js' | url }}"></script>
-      <script src="{{ 'assets/javascripts/bundle.2bc3a92a.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/vendor.e32ed4d0.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/bundle.4fa4ebaf.min.js' | url }}"></script>
       {% for path in config["extra_javascript"] %}
         <script src="{{ path | url }}"></script>
       {% endfor %}

material/overrides/assets/javascripts/bundle.9f9f98ea.min.js

@@ -0,0 +1,2 @@
+!function(e,t){for(var n in t)e[n]=t[n]}(window,function(e){function t(t){for(var r,i,a=t[0],s=t[1],u=t[2],f=0,p=[];f<a.length;f++)i=a[f],Object.prototype.hasOwnProperty.call(o,i)&&o[i]&&p.push(o[i][0]),o[i]=0;for(r in s)Object.prototype.hasOwnProperty.call(s,r)&&(e[r]=s[r]);for(l&&l(t);p.length;)p.shift()();return c.push.apply(c,u||[]),n()}function n(){for(var e,t=0;t<c.length;t++){for(var n=c[t],r=!0,a=1;a<n.length;a++){var s=n[a];0!==o[s]&&(r=!1)}r&&(c.splice(t--,1),e=i(i.s=n[0]))}return e}var r={},o={0:0},c=[];function i(t){if(r[t])return r[t].exports;var n=r[t]={i:t,l:!1,exports:{}};return e[t].call(n.exports,n,n.exports,i),n.l=!0,n.exports}i.m=e,i.c=r,i.d=function(e,t,n){i.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},i.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.t=function(e,t){if(1&t&&(e=i(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(i.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var r in e)i.d(n,r,function(t){return e[t]}.bind(null,r));return n},i.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return i.d(t,"a",t),t},i.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},i.p="";var a=window.webpackJsonp=window.webpackJsonp||[],s=a.push.bind(a);a.push=t,a=a.slice();for(var u=0;u<a.length;u++)t(a[u]);var l=s;return c.push([37,1]),n()}({37:function(e,t,n){"use strict";n.r(t);var r=n(20),o=n(3),c=n(38),i=n(29),a=n(25);n(32),n(39);function s(e,t=document){return t.querySelector(e)||void 0}function u(e,t=document){const n=s(e,t);if(void 0===n)throw new ReferenceError(`Missing element: expected "${e}" to be present`);return n}n(50);var l=n(51);var f=n(17),p=n(40),d=n(41),b=n(42),g=n(43),h=n(44);n(45),n(46);const v=new f.a;Object(p.a)(()=>Object(d.a)(new ResizeObserver(e=>{for(const t of e)v.next(t)}))).pipe(Object(i.a)(e=>b.a.pipe(Object(l.a)(e)).pipe(Object(g.a)(()=>e.disconnect()))),Object(h.a)(1));n(31);n(47);u("[data-md-toggle=drawer]"),u("[data-md-toggle=search]");n(52),n(53);n(48),n(49);function O(e,t){if("string"==typeof t||"number"==typeof t)e.innerHTML+=t.toString();else if(t instanceof Node)e.appendChild(t);else if(Array.isArray(t))for(const n of t)O(e,n)}function j(e,t,...n){const r=document.createElement(e);if(t)for(const e of Object.keys(t))"boolean"!=typeof t[e]?r.setAttribute(e,t[e]):t[e]&&r.setAttribute(e,"");for(const e of n)O(r,e);return r}function m(e,t){return t.length?j("div",{class:""},j("span",null,function(e){if(e>999){return((e+1e-6)/1e3).toFixed(+((e-950)%1e3>99))+"k"}return e.toString()}(e.length)," results"),j("ul",{class:"tx-icon-search__list"},e.slice(0,10).map(e=>j("li",{class:"tx-icon-search__item"},j("span",{class:"twemoji"},j("img",{src:"https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/material/.icons/"+e,style:"width: 18px; height: 18px"}))," – ",j("button",{class:"md-clipboard--inline","data-clipboard-text":":"+e.replace(/\.svg$/,"").replace(/\//g,"-")+":"},j("code",null,function(e,t){return`:${Object(r.wrap)(e.replace(/\.svg$/,"").replace(/\//g,"-"),t,{wrap:{tagOpen:"<b>",tagClose:"</b>"}})}:`}(e,t))))))):j("div",{class:""})}const y=u("#__config"),w=JSON.parse(y.textContent),x=Object(o.a)(fetch(w.base+"/overrides/assets/javascripts/icons.json").then(e=>e.json())),_=s("#icon-search");_&&x.pipe(Object(i.a)(e=>Object(c.a)(_,"keyup").pipe(Object(a.a)(()=>Object(r.filter)(e,_.value))))).subscribe(e=>{const t=u(".tx-icon-result");t.innerHTML="",t.appendChild(m(e,_.value))}),Object(c.a)(document.body,"click").subscribe(e=>{if(e.target instanceof HTMLElement){e.target.closest("a[href^=http]")instanceof HTMLLinkElement&&ga("send","event","outbound","click",y.href)}})}}));
+//# sourceMappingURL=bundle.9f9f98ea.min.js.map

material/overrides/assets/javascripts/bundle.b79ba6f2.min.js

@@ -1,2 +0,0 @@
-!function(e,t){for(var n in t)e[n]=t[n]}(window,function(e){function t(t){for(var r,i,a=t[0],s=t[1],u=t[2],f=0,p=[];f<a.length;f++)i=a[f],Object.prototype.hasOwnProperty.call(o,i)&&o[i]&&p.push(o[i][0]),o[i]=0;for(r in s)Object.prototype.hasOwnProperty.call(s,r)&&(e[r]=s[r]);for(l&&l(t);p.length;)p.shift()();return c.push.apply(c,u||[]),n()}function n(){for(var e,t=0;t<c.length;t++){for(var n=c[t],r=!0,a=1;a<n.length;a++){var s=n[a];0!==o[s]&&(r=!1)}r&&(c.splice(t--,1),e=i(i.s=n[0]))}return e}var r={},o={0:0},c=[];function i(t){if(r[t])return r[t].exports;var n=r[t]={i:t,l:!1,exports:{}};return e[t].call(n.exports,n,n.exports,i),n.l=!0,n.exports}i.m=e,i.c=r,i.d=function(e,t,n){i.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},i.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.t=function(e,t){if(1&t&&(e=i(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(i.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var r in e)i.d(n,r,function(t){return e[t]}.bind(null,r));return n},i.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return i.d(t,"a",t),t},i.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},i.p="";var a=window.webpackJsonp=window.webpackJsonp||[],s=a.push.bind(a);a.push=t,a=a.slice();for(var u=0;u<a.length;u++)t(a[u]);var l=s;return c.push([37,1]),n()}({37:function(e,t,n){"use strict";n.r(t);var r=n(20),o=n(3),c=n(38),i=n(45),a=n(29),s=n(25);n(32),n(39);function u(e,t=document){return t.querySelector(e)||void 0}function l(e,t=document){const n=u(e,t);if(void 0===n)throw new ReferenceError(`Missing element: expected "${e}" to be present`);return n}n(50);var f=n(51);var p=n(17),d=n(40),b=n(41),g=n(42),h=n(43),v=n(44);n(46);const O=new p.a;Object(d.a)(()=>Object(b.a)(new ResizeObserver(e=>{for(const t of e)O.next(t)}))).pipe(Object(a.a)(e=>g.a.pipe(Object(f.a)(e)).pipe(Object(h.a)(()=>e.disconnect()))),Object(v.a)(1));n(31);n(47);l("[data-md-toggle=drawer]"),l("[data-md-toggle=search]");n(52),n(53);n(48),n(49);function j(e,t){if("string"==typeof t||"number"==typeof t)e.innerHTML+=t.toString();else if(t instanceof Node)e.appendChild(t);else if(Array.isArray(t))for(const n of t)j(e,n)}function m(e,t,...n){const r=document.createElement(e);if(t)for(const e of Object.keys(t))"boolean"!=typeof t[e]?r.setAttribute(e,t[e]):t[e]&&r.setAttribute(e,"");for(const e of n)j(r,e);return r}function y(e,t){return t.length?m("div",{class:""},m("span",null,function(e){if(e>999){return((e+1e-6)/1e3).toFixed(+((e-950)%1e3>99))+"k"}return e.toString()}(e.length)," results"),m("ul",{class:"tx-icon-search__list"},e.slice(0,10).map(e=>m("li",{class:"tx-icon-search__item"},m("span",{class:"twemoji"},m("img",{src:"https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/material/.icons/"+e,style:"width: 18px; height: 18px"}))," – ",m("button",{class:"md-clipboard--inline","data-clipboard-text":":"+e.replace(/\.svg$/,"").replace(/\//g,"-")+":"},m("code",null,function(e,t){return`:${Object(r.wrap)(e.replace(/\.svg$/,"").replace(/\//g,"-"),t,{wrap:{tagOpen:"<b>",tagClose:"</b>"}})}:`}(e,t))))))):m("div",{class:""})}const w=l("#__config"),x=JSON.parse(w.textContent),_=Object(o.a)(fetch(x.base+"/overrides/assets/javascripts/icons.json").then(e=>e.json())),k=u("#icon-search");k&&_.pipe(Object(i.a)(console.log),Object(a.a)(e=>Object(c.a)(k,"keyup").pipe(Object(s.a)(()=>Object(r.filter)(e,k.value))))).subscribe(e=>{const t=l(".tx-icon-result");t.innerHTML="",t.appendChild(y(e,k.value))}),Object(c.a)(document.body,"click").subscribe(e=>{if(e.target instanceof HTMLElement){e.target.closest("a[href^=http]")instanceof HTMLLinkElement&&ga("send","event","outbound","click",w.href)}})}}));
-//# sourceMappingURL=bundle.b79ba6f2.min.js.map

material/overrides/main.html

@@ -54,5 +54,5 @@
 {% block scripts %}
   {{ super() }}
   <script src="{{ 'overrides/assets/javascripts/vendor.1aa446d9.min.js' | url }}"></script>
-  <script src="{{ 'overrides/assets/javascripts/bundle.b79ba6f2.min.js' | url }}"></script>
+  <script src="{{ 'overrides/assets/javascripts/bundle.9f9f98ea.min.js' | url }}"></script>
 {% endblock %}

src/assets/javascripts/index.ts

@@ -58,6 +58,10 @@ import {
   setupClipboardJS,
   setupInstantLoading
 } from "./integrations"
+import {
+  patchIndeterminate,
+  patchScrollfix
+} from "./patches"
 
 /* ----------------------------------------------------------------------------
  * Program
@@ -86,6 +90,10 @@ setupClipboardJS({ alert$ })
 if (feature("navigation.instant"))
   setupInstantLoading({ document$, location$, viewport$ })
 
+/* Set up patches */
+patchIndeterminate({ document$ })
+patchScrollfix({ document$ })
+
 /* Set up header observable */
 const header$ = watchHeader(
   getElementOrThrow("[data-md-component=header]"),

src/assets/javascripts/integrations/instant/index.ts

@@ -21,6 +21,7 @@
  */
 
 import {
+  EMPTY,
   NEVER,
   Observable,
   Subject,
@@ -31,6 +32,7 @@ import {
 import {
   bufferCount,
   catchError,
+  concatMap,
   debounceTime,
   distinctUntilChanged,
   distinctUntilKeyChanged,
@@ -47,7 +49,9 @@ import { configuration } from "~/_"
 import {
   Viewport,
   ViewportOffset,
+  createElement,
   getElement,
+  getElementOrThrow,
   getElements,
   replaceElement,
   request,
@@ -279,17 +283,44 @@ export function setupInstantLoading(
           "[data-md-component=container]",
           "[data-md-component=skip]"
         ]) {
-          const next = getElement(selector, replacement)
-          const prev = getElement(selector)
+          const source = getElement(selector)
+          const target = getElement(selector, replacement)
           if (
-            typeof next !== "undefined" &&
-            typeof prev !== "undefined"
+            typeof source !== "undefined" &&
+            typeof target !== "undefined"
           ) {
-            replaceElement(prev, next)
+            replaceElement(source, target)
           }
         }
       })
 
+  /* Re-evaluate scripts */
+  document$
+    .pipe(
+      skip(1),
+      map(() => getElementOrThrow("[data-md-component=container]")),
+      switchMap(el => of(...getElements("script", el))),
+      concatMap(el => {
+        const script = createElement("script")
+        if (el.src) {
+          script.src = el.src
+          replaceElement(el, script)
+
+          /* Complete when script is loaded */
+          return new Observable(observer => {
+            script.onload = () => observer.complete()
+          })
+
+        /* Complete immediately */
+        } else {
+          script.textContent = el.textContent!
+          replaceElement(el, script)
+          return EMPTY
+        }
+      })
+    )
+      .subscribe()
+
   /* Debounce update of viewport offset */
   viewport$
     .pipe(

src/assets/javascripts/patches/indeterminate/index.ts

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016-2020 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import { Observable } from "rxjs"
+
+import { getElements } from "~/browser"
+
+/* ----------------------------------------------------------------------------
+ * Helper types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Patch options
+ */
+interface PatchOptions {
+  document$: Observable<Document>      /* Document observable */
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Patch indeterminate checkboxes
+ *
+ * @param options - Options
+ */
+export function patchIndeterminate(
+  { document$ }: PatchOptions
+): void {
+  document$.subscribe(() => {
+    for (const el of getElements<HTMLInputElement>(
+      "[data-md-state=indeterminate]"
+    )) {
+      el.setAttribute("data-md-state", "")
+      el.indeterminate = true
+      el.checked = false
+    }
+  })
+}

src/assets/javascripts/patches/index.ts

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2016-2020 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+export * from "./indeterminate"
+export * from "./scrollfix"

src/assets/javascripts/patches/scrollfix/index.ts

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016-2020 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import { Observable, fromEvent, of } from "rxjs"
+import { mapTo, mergeMap, switchMap, tap } from "rxjs/operators"
+
+import { getElements } from "~/browser"
+
+/* ----------------------------------------------------------------------------
+ * Helper types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Patch options
+ */
+interface PatchOptions {
+  document$: Observable<Document>      /* Document observable */
+}
+
+/* ----------------------------------------------------------------------------
+ * Helper functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Check whether the given device is an Apple device
+ *
+ * @returns Test result
+ */
+function isAppleDevice(): boolean {
+  return /(iPad|iPhone|iPod)/.test(navigator.userAgent)
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Patch all elements with `data-md-scrollfix` attributes
+ *
+ * This is a year-old patch which ensures that overflow scrolling works at the
+ * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon
+ * the start of a touch event.
+ *
+ * @see https://bit.ly/2SCtAOO - Original source
+ *
+ * @param options - Options
+ */
+export function patchScrollfix(
+  { document$ }: PatchOptions
+): void {
+  if (isAppleDevice()) {
+    document$
+      .pipe(
+        switchMap(() => of(...getElements("[data-md-scrollfix]"))),
+        tap(el => el.removeAttribute("data-md-scrollfix")),
+        mergeMap(el => fromEvent(el, "touchstart")
+          .pipe(
+            mapTo(el)
+          )
+        )
+      )
+        .subscribe(el => {
+          const top = el.scrollTop
+
+          /* We're at the top of the container */
+          if (top === 0) {
+            el.scrollTop = 1
+
+          /* We're at the bottom of the container */
+          } else if (top + el.offsetHeight === el.scrollHeight) {
+            el.scrollTop = top - 1
+          }
+        })
+  }
+}