content: generateCoverCarousel

This also introduces a handy stitchArrays() utility, which
probably has some uses not caught in this commit.

1 files changed, 0 insertions, 83 deletions

diff --git a/src/misc-templates.js b/src/misc-templates.js
index dfff4d8..ba1a60f 100644
--- a/src/misc-templates.js
+++ b/src/misc-templates.js
@@ -99,48 +99,6 @@ function unbound_getFlashGridHTML({
 
 // Carousel reels
 
-// Layout constants:
-//
-// Carousels support fitting 4-18 items, with a few "dead" zones to watch out
-// for, namely when a multiple of 6, 5, or 4 columns would drop the last tiles.
-//
-// Carousels are limited to 1-3 rows and 4-6 columns.
-// Lower edge case: 1-3 items are treated as 4 items (with blank space).
-// Upper edge case: all items past 18 are dropped (treated as 18 items).
-//
-// This is all done through JS instead of CSS because it's just... ANNOYING...
-// to write a mapping like this in CSS lol.
-const carouselLayoutMap = [
-  // 0-3
-  null, null, null, null,
-
-  // 4-6
-  {rows: 1, columns: 4}, //  4: 1x4, drop 0
-  {rows: 1, columns: 5}, //  5: 1x5, drop 0
-  {rows: 1, columns: 6}, //  6: 1x6, drop 0
-
-  // 7-12
-  {rows: 1, columns: 6}, //  7: 1x6, drop 1
-  {rows: 2, columns: 4}, //  8: 2x4, drop 0
-  {rows: 2, columns: 4}, //  9: 2x4, drop 1
-  {rows: 2, columns: 5}, // 10: 2x5, drop 0
-  {rows: 2, columns: 5}, // 11: 2x5, drop 1
-  {rows: 2, columns: 6}, // 12: 2x6, drop 0
-
-  // 13-18
-  {rows: 2, columns: 6}, // 13: 2x6, drop 1
-  {rows: 2, columns: 6}, // 14: 2x6, drop 2
-  {rows: 3, columns: 5}, // 15: 3x5, drop 0
-  {rows: 3, columns: 5}, // 16: 3x5, drop 1
-  {rows: 3, columns: 5}, // 17: 3x5, drop 2
-  {rows: 3, columns: 6}, // 18: 3x6, drop 0
-];
-
-const minCarouselLayoutItems = carouselLayoutMap.findIndex(x => x !== null);
-const maxCarouselLayoutItems = carouselLayoutMap.length - 1;
-const shortestCarouselLayout = carouselLayoutMap[minCarouselLayoutItems];
-const longestCarouselLayout = carouselLayoutMap[maxCarouselLayoutItems];
-
 function unbound_getCarouselHTML({
   html,
   img,
@@ -152,47 +110,6 @@ function unbound_getCarouselHTML({
   linkFn = (x, {text}) => text,
   srcFn,
 }) {
-  if (empty(items)) {
-    return;
-  }
-
-  const {rows, columns} = (
-    items.length < minCarouselLayoutItems ? shortestCarouselLayout :
-    items.length > maxCarouselLayoutItems ? longestCarouselLayout :
-    carouselLayoutMap[items.length]);
-
-  items = items.slice(0, maxCarouselLayoutItems + 1);
-
-  return html.tag('div',
-    {
-      class: 'carousel-container',
-      'data-carousel-rows': rows,
-      'data-carousel-columns': columns,
-    },
-    repeat(3,
-      html.tag('div',
-        {
-          class: 'carousel-grid',
-          'aria-hidden': 'true',
-        },
-        items
-          .filter(item => srcFn(item))
-          .filter(item => item.artTags.every(tag => !tag.isContentWarning))
-          .map((item, i) =>
-            html.tag('div', {class: 'carousel-item'},
-              linkFn(item, {
-                attributes: {
-                  tabindex: '-1',
-                },
-                text:
-                  img({
-                    src: srcFn(item),
-                    alt: altFn(item),
-                    thumb: 'small',
-                    lazy: typeof lazy === 'number' ? i >= lazy : lazy,
-                    square: true,
-                  }),
-              }))))));
 }
 
 // Exports