Add h2 anchors where missing

_includes/new-includes/components/linux-releases.html

@@ -79,7 +79,7 @@ <h2>RPM</h2>
         </details>
     </div>
   </div>
-  <h2>Development Snapshots</h2>
+  <h2 id="development-snapshots" class="header-with-anchor">Development Snapshots</h2>
   <div>
     <p class="content-copy">Swift snapshots are prebuilt binaries that are automatically created from the branch. These snapshots are not official releases. They have gone through automated unit testing, but they have not gone through the full testing that is performed for official releases.</p>
   </div>

assets/javascripts/new-javascripts/application.js

@@ -112,3 +112,24 @@ if (codeBoxes.length) {
     })
   })
 }
+
+document.querySelectorAll('h2.header-with-anchor').forEach(header => {
+  if (!header.id) return;
+
+  const link = document.createElement('a');
+  link.href = `#${header.id}`;
+  link.title = `Permalink for ${header.textContent}`;
+  link.innerHTML = `<svg
+    width="24px"
+    height="24px"
+    viewBox="0 0 14 14"
+    role="img"
+    focusable="false"
+    aria-hidden="true"
+    xmlns="http://www.w3.org/2000/svg">
+      <path d="m 11.58824,9.823529 q 0,-0.294117 -0.20589,-0.499999 L 9.85294,7.794118 q -0.20588,-0.205883 -0.5,-0.205883 -0.30882,0 -0.52941,0.235295 0.0221,0.02206 0.13971,0.136029 0.11764,0.113971 0.15808,0.158088 0.0404,0.04412 0.1103,0.139706 0.0698,0.09559 0.0956,0.1875 0.0257,0.09191 0.0257,0.202206 0,0.294117 -0.20588,0.5 -0.20588,0.205882 -0.5,0.205882 -0.1103,0 -0.20221,-0.02573 Q 8.35293,9.301471 8.25733,9.231621 8.16173,9.161771 8.11763,9.121327 8.07353,9.080887 7.95954,8.963238 7.84557,8.845591 7.82351,8.823533 7.58086,9.051474 7.58086,9.360297 q 0,0.294118 0.20588,0.5 l 1.51471,1.522059 q 0.19853,0.19853 0.5,0.19853 0.29412,0 0.5,-0.191177 l 1.08088,-1.073529 q 0.20589,-0.205883 0.20589,-0.492648 z M 6.41912,4.639706 q 0,-0.294118 -0.20588,-0.5 L 4.69853,2.617647 q -0.20588,-0.205882 -0.5,-0.205882 -0.28677,0 -0.5,0.198529 L 2.61765,3.683823 q -0.20589,0.205883 -0.20589,0.492648 0,0.294117 0.20589,0.499999 l 1.52941,1.529412 q 0.19853,0.19853 0.5,0.19853 0.30882,0 0.52941,-0.227942 Q 5.15437,6.15441 5.03676,6.040441 4.91912,5.92647 4.87868,5.882353 4.83828,5.838233 4.76838,5.742647 q -0.0698,-0.09559 -0.0956,-0.1875 -0.0257,-0.09191 -0.0257,-0.202206 0,-0.294117 0.20588,-0.5 0.20588,-0.205882 0.5,-0.205882 0.1103,0 0.20221,0.02573 0.0919,0.02573 0.1875,0.09559 0.0956,0.06985 0.1397,0.110294 0.0441,0.04044 0.15809,0.158089 Q 6.15443,5.154409 6.17649,5.176467 6.41914,4.948526 6.41914,4.639703 z M 13,9.823529 q 0,0.882353 -0.625,1.492647 l -1.08088,1.07353 Q 10.68382,13 9.80147,13 q -0.88971,0 -1.5,-0.625 L 6.78676,10.852941 Q 6.17647,10.242647 6.17647,9.360294 q 0,-0.904412 0.64706,-1.536764 L 6.17647,7.176471 Q 5.54412,7.82353 4.64706,7.82353 q -0.88235,0 -1.5,-0.617648 L 1.617647,5.676471 Q 1,5.058824 1,4.176471 1,3.294118 1.625,2.683824 L 2.70588,1.610294 Q 3.31618,1 4.19853,1 q 0.88971,0 1.5,0.625 l 1.51471,1.522059 q 0.61029,0.610294 0.61029,1.492647 0,0.904412 -0.64706,1.536764 L 7.82353,6.823529 Q 8.45588,6.17647 9.35294,6.17647 q 0.88235,0 1.5,0.617648 l 1.52941,1.529411 Q 13,8.941176 13,9.823529 z"/>
+    </svg>
+  `;
+
+  header.appendChild(link);
+});

assets/stylesheets/new-stylesheets/_core.scss

@@ -57,3 +57,24 @@ code {
     serif;
   font-weight: 400;
 }
+
+.header-with-anchor {
+  scroll-margin-top: 80px;
+
+  a {
+    display: none;
+    margin-left: 0.2em;
+
+    svg {
+      filter: var(--icon-filter);
+    }
+  }
+}
+
+h2.header-with-anchor {
+  &:hover {
+    a {
+      display: inline-block;
+    }
+  }
+}

assets/stylesheets/new-stylesheets/_themes.scss

@@ -24,6 +24,9 @@
 
   --exception-page-bg: #fac685;
 
+  --icon-filter: none;
+  --icon-filter-hover: invert(1);
+
   --install-page-bg: linear-gradient(0deg, #f6b391 0%, #f8ce6e 92%);
   --install-site-code-box-bg: #ffffff;
   --install-site-code-box-pre-bg: #f2f2f2;
@@ -128,6 +131,9 @@
 
   --exception-page-bg: #23344a;
 
+  --icon-filter: invert(1);
+  --icon-filter-hover: none;
+
   --install-page-bg: linear-gradient(0deg, #ff8115 0%, #b7451b 92%);
   --install-site-code-box-bg: #23344a;
   --install-site-code-box-pre-bg: #111727;

documentation/index.md

@@ -11,9 +11,7 @@ If you are new to Swift, you may want to check out these additional resources.
 </div>
 
 {%- for category in site.data.documentation %}
-  <h2>
-  {{ category.header }}
-  </h2>
+## {{ category.header }}
   <div>
   {%- for entry in category.pages %}
     <div>

install/linux/index.md

@@ -26,7 +26,7 @@ title: Install Swift - Linux
       {% include new-includes/components/code-box.html content = site.data.new-data.install.windows.releases.latest-release.vscode%}
     </div>
   </div>
-  <h2>Development Snapshots</h2>
+  <h2 id="development-snapshots" class="header-with-anchor">Development Snapshots</h2>
   <div>
     <p class="content-copy">Swift snapshots are prebuilt binaries that are automatically created from the branch. These snapshots are not official releases. They have gone through automated unit testing, but they have not gone through the full testing that is performed for official releases.</p>
   </div>

install/macos/index.md

@@ -50,7 +50,7 @@ title: Install Swift - macOS
         </details>
     </div>
   </div>
-  <h2>Development Snapshots</h2>
+  <h2 id="development-snapshots" class="header-with-anchor">Development Snapshots</h2>
   <div>
     <p class="content-copy">Swift snapshots are prebuilt binaries that are automatically created from the branch. These snapshots are not official releases. They have gone through automated unit testing, but they have not gone through the full testing that is performed for official releases.</p>
     <p class="content-copy">The easiest way to install development snapshots is with the Swiftly tool. Read more on the <a href="/install/macos/swiftly">instructions page</a>.</p>

install/windows/index.md

@@ -23,7 +23,7 @@ title: Install Swift - Windows
       {% include new-includes/components/code-box.html content = site.data.new-data.install.windows.releases.latest-release.vscode%}
     </div>
   </div>
-  <h2>Alternative install options</h2>
+  <h2 id="alternative-install-options" class="header-with-anchor">Alternative install options</h2>
   <div class="releases-grid">
     <div class="release-box section">
       <div class="content">
@@ -61,7 +61,7 @@ title: Install Swift - Windows
       </div>
     </div>
   </div>
-  <h2>Previous Releases</h2>
+  <h2 id="previous-releases" class="header-with-anchor">Previous Releases</h2>
   <div>
     <p class="content-copy">Previous releases of Swift are available for installation on Windows using the manual installer, <a href="/install/windows/archived">as documented here</a>.</p>
   </div>
@@ -73,7 +73,7 @@ title: Install Swift - Windows
         </details>
     </div>
   </div>
-  <h2>Development Snapshots</h2>
+  <h2 id="development-snapshots" class="header-with-anchor">Development Snapshots</h2>
   <div>
     <p class="content-copy">Swift snapshots are prebuilt binaries that are automatically created from the branch. These snapshots are not official releases. They have gone through automated unit testing, but they have not gone through the full testing that is performed for official releases.</p>
   </div>