1 files changed, 180 insertions, 0 deletions
diff --git a/src/content/dependencies/image.js b/src/content/dependencies/image.js
new file mode 100644
index 0000000..1f90437
--- /dev/null
+++ b/src/content/dependencies/image.js
@@ -0,0 +1,180 @@
+import {empty} from '../../util/sugar.js';
+
+export default {
+  extraDependencies: [
+    'getSizeOfImageFile',
+    'html',
+    'language',
+    'thumb',
+    'to',
+  ],
+
+  data(artTags) {
+    const data = {};
+
+    if (artTags) {
+      data.contentWarnings =
+        artTags
+          .filter(tag => tag.isContentWarning)
+          .map(tag => tag.name);
+    } else {
+      data.contentWarnings = null;
+    }
+
+    return data;
+  },
+
+  generate(data, {
+    getSizeOfImageFile,
+    html,
+    language,
+    thumb,
+    to,
+  }) {
+    return html.template(slot =>
+      slot('src', ([src]) =>
+      slot('path', ([...path]) =>
+      slot('thumb', ([thumbKey = '']) =>
+      slot('link', ([link = false]) =>
+      slot('lazy', ([lazy = false]) =>
+      slot('square', ([willSquare = false]) => {
+        let originalSrc;
+
+        if (src) {
+          originalSrc = src;
+        } else if (!empty(path)) {
+          originalSrc = to(...path);
+        } else {
+          originalSrc = '';
+        }
+
+        const thumbSrc =
+          originalSrc &&
+            (thumbKey
+              ? thumb[thumbKey](originalSrc)
+              : originalSrc);
+
+        const willLink = typeof link === 'string' || link;
+        const willReveal = originalSrc && !empty(data.contentWarnings);
+
+        const idOnImg = willLink ? null : slot('id');
+        const idOnLink = willLink ? slot('id') : null;
+
+        if (!originalSrc) {
+          return prepare(
+            html.tag('div', {class: 'image-text-area'},
+              slot('missingSourceContent')));
+        }
+
+        let fileSize = null;
+        if (willLink) {
+          const mediaRoot = to('media.root');
+          if (originalSrc.startsWith(mediaRoot)) {
+            fileSize =
+              getSizeOfImageFile(
+                originalSrc
+                  .slice(mediaRoot.length)
+                  .replace(/^\//, ''));
+          }
+        }
+
+        let reveal = null;
+        if (willReveal) {
+          reveal = [
+            language.$('misc.contentWarnings', {
+              warnings: language.formatUnitList(data.contentWarnings),
+            }),
+            html.tag('br'),
+            html.tag('span', {class: 'reveal-interaction'},
+              language.$('misc.contentWarnings.reveal')),
+          ];
+        }
+
+        const className = slot('class');
+        const imgAttributes = {
+          id: idOnImg,
+          class: className,
+          alt: slot('alt'),
+          width: slot('width'),
+          height: slot('height'),
+          'data-original-size': fileSize,
+        };
+
+        const nonlazyHTML =
+          originalSrc &&
+            prepare(
+              html.tag('img', {
+                ...imgAttributes,
+                src: thumbSrc,
+              }));
+
+        if (lazy) {
+          return html.tags([
+            html.tag('noscript', nonlazyHTML),
+            prepare(
+              html.tag('img',
+                {
+                  ...imgAttributes,
+                  class: [className, 'lazy'],
+                  'data-original': thumbSrc,
+                }),
+              true),
+          ]);
+        }
+
+        return nonlazyHTML;
+
+        function prepare(content, hide = false) {
+          let wrapped = content;
+
+          wrapped =
+            html.tag('div', {class: 'image-container'},
+              wrapped);
+
+          if (willReveal) {
+            wrapped =
+              html.tag('div', {class: 'reveal'}, [
+                wrapped,
+                html.tag('span', {class: 'reveal-text-container'},
+                  html.tag('span', {class: 'reveal-text'},
+                    reveal)),
+              ]);
+          }
+
+          if (willSquare) {
+            wrapped =
+              html.tag('div',
+                {
+                  class: [
+                    'square',
+                    hide && !willLink && 'js-hide'
+                  ],
+                },
+
+                html.tag('div', {class: 'square-content'},
+                  wrapped));
+          }
+
+          if (willLink) {
+            wrapped = html.tag('a',
+              {
+                id: idOnLink,
+                class: [
+                  'box',
+                  'image-link',
+                  hide && 'js-hide',
+                ],
+
+                href:
+                  (typeof link === 'string'
+                    ? link
+                    : originalSrc),
+              },
+              wrapped);
+          }
+
+          return wrapped;
+        }
+      })))))));
+    },
+};