Add image fade functionality

css/index.css

@@ -38,6 +38,7 @@ License URI: http://www.gnu.org/licenses/gpl-2.0.html
   --transitionSl: 600ms;
   --headingFontFamily: 'Raleway', sans-serif;
   --bodyFontFamily: 'Open Sans', sans-serif;
+  --windySVG: url("data:image/svg+xml;base64,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");
 }
 
 @custom-media --viewportMd (min-width: 640px);

css/logo.css

@@ -1,15 +1,48 @@
 /** @define Logo */
 
-.Logo-image {
+.Logo {
-  filter: drop-shadow(4px 4px 4px rgba(0, 0, 0, 0.5));
+  width: 100%;
+}
+
+.Logo-link {
+  display: block;
+  margin: 0 auto;
   max-width: 320px;
-  transition: filter var(--transitionMd) ease-in;
+  overflow: hidden;
+  position: relative;
+}
+
+.Logo-link::before {
+  background-image: var(--windySVG);
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 92%;
+  content: "";
+  display: block;
+  padding-bottom: 100%;
+  width: 100%;
+}
+
+.Logo-image {
+  bottom: 0;
+  display: block;
+  filter: drop-shadow(4px 4px 4px rgba(0, 0, 0, 0.5));
+  height: 100%;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  transition:
+    filter var(--transitionMd) ease-in,
+    opacity var(--transitionMd) ease-in;
+  width: 100%;
 }
 
 .Logo-link:focus .Logo-image {
   filter: drop-shadow(6px 4px 4px var(--colorLightBlue));
 }
 
+/*
 @media (--viewportLg) {
   .Logo {
     grid-column: span 2;
@@ -20,3 +53,4 @@
     max-width: 224px;
   }
 }
+*/

js/imagefade.js

@@ -0,0 +1,19 @@
+export default class ImageFade {
+  constructor() {
+    this.images = Array.prototype.slice.call(document.querySelectorAll('img'));
+    this.images.forEach((image) => {
+      this.prepareImage(image);
+      this.setEvent(image);
+    });
+  }
+
+  prepareImage(image) {
+    image.style.opacity = 0;
+  }
+
+  setEvent(image) {
+    image.addEventListener('load', () => {
+      image.style.opacity = 1;
+    });
+  }
+}

js/index.js

@@ -1,4 +1,5 @@
 import Article from './article';
+import ImageFade from './imagefade';
 import Menu from './menu';
 import Nav from './nav';
 
@@ -11,6 +12,7 @@ document.addEventListener('DOMContentLoaded', () => {
     el: document.querySelector('.Nav'),
     menu: site.menu,
   });
+  site.images = new ImageFade();
 
   site.articles = [].slice.call(document.querySelectorAll('.Article'))
     .map((article, index) => new Article({