Ajoute des icônes Apple Touch générées proprement

package.json

@@ -1,5 +1,6 @@
 {
   "scripts": {
+    "icons:generate": "node tools/generate_apple_touch_icons.js",
     "links:refresh": "node tools/check_external_links.js",
     "stats:generate": "node tools/generate_stats.js"
   },

themes/2026/layouts/_partials/head.html

@@ -11,4 +11,5 @@
 <link rel="icon" href="{{ "favicon.ico" | absURL }}" type="image/x-icon">
 <link rel="shortcut icon" href="{{ "favicon.ico" | absURL }}" type="image/x-icon">
 <link rel="icon" href="{{ "favicon.png" | absURL }}" type="image/png" sizes="256x256">
+<link rel="apple-touch-icon" href="{{ "apple-touch-icon.png" | absURL }}" sizes="180x180">
 {{ partialCached "head/css.html" . }}

themes/42/layouts/_partials/head.html

@@ -4,4 +4,5 @@
 <link rel="icon" href="{{ "favicon.ico" | absURL }}" type="image/x-icon" />
 <link rel="shortcut icon" href="{{ "favicon.ico" | absURL }}" type="image/x-icon" />
 <link rel="icon" href="{{ "favicon.png" | absURL }}" type="image/png" sizes="256x256" />
+<link rel="apple-touch-icon" href="{{ "apple-touch-icon.png" | absURL }}" sizes="180x180" />
 {{ partialCached "head/css.html" . }}

tools/generate_apple_touch_icons.js

@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+const fs = require("fs");
+const path = require("path");
+const sharp = require("sharp");
+
+const PROJECT_ROOT = path.resolve(__dirname, "..");
+const SOURCE_ICON_PATH = path.join(PROJECT_ROOT, "static", "favicon.png");
+const APPLE_TOUCH_ICON_SIZE = 180;
+const APPLE_TOUCH_ICON_BACKGROUND = "#060c14";
+const OUTPUT_ICON_PATHS = [
+    path.join(PROJECT_ROOT, "static", "apple-touch-icon.png"),
+    path.join(PROJECT_ROOT, "static", "apple-touch-icon-precomposed.png"),
+];
+
+/**
+ * Génère le PNG Apple Touch à partir du favicon principal du site.
+ *
+ * L'image finale est rendue opaque sur le fond sombre du thème actif pour
+ * éviter les rendus incohérents des zones transparentes sur certains appareils iOS.
+ *
+ * @returns {Promise<Buffer>}
+ */
+function buildAppleTouchIconBuffer() {
+    return sharp(SOURCE_ICON_PATH)
+        .resize(APPLE_TOUCH_ICON_SIZE, APPLE_TOUCH_ICON_SIZE, {
+            fit: "cover",
+        })
+        .flatten({
+            background: APPLE_TOUCH_ICON_BACKGROUND,
+        })
+        .png({
+            compressionLevel: 9,
+            adaptiveFiltering: true,
+        })
+        .toBuffer();
+}
+
+/**
+ * Écrit la même icône sous les deux noms historiques encore demandés par les navigateurs.
+ *
+ * @param {Buffer} iconBuffer
+ */
+function writeAppleTouchIcons(iconBuffer) {
+    for (const outputPath of OUTPUT_ICON_PATHS) {
+        fs.writeFileSync(outputPath, iconBuffer);
+    }
+}
+
+(async function main() {
+    const iconBuffer = await buildAppleTouchIconBuffer();
+    writeAppleTouchIcons(iconBuffer);
+})();