feat: improve HEIC, HEIF and JPEG XL browser support detection

web/src/lib/utils/asset-utils.ts

@@ -301,19 +301,54 @@ const supportedImageMimeTypes = new Set([
   'image/webp',
 ]);
 
-const isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent); // https://stackoverflow.com/a/23522755
-if (isSafari) {
-  supportedImageMimeTypes.add('image/heic').add('image/heif');
-}
+async function addSupportedMimeTypes(): Promise<void> {
+  const isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent); // https://stackoverflow.com/a/23522755
+  if (isSafari) {
+    const match = navigator.userAgent.match(/Version\/(\d+)/);
+
+    if (!match) {
+      return;
+    }
+
+    const majorVersion = Number.parseInt(match[1]);
+    const MIN_REQUIRED_VERSION = 17;
+
+    if (majorVersion >= MIN_REQUIRED_VERSION) {
+      supportedImageMimeTypes.add('image/jxl').add('image/heic').add('image/heif');
+    }
+
+    return;
+  }
 
-function checkJxlSupport(): void {
-  const img = new Image();
-  img.addEventListener('load', () => {
+  if (globalThis.isSecureContext && typeof ImageDecoder !== 'undefined') {
+    const dynamicMimeTypes = [{ type: 'image/jxl' }, { type: 'image/heic', aliases: ['image/heif'] }];
+
+    for (const mime of dynamicMimeTypes) {
+      const isMimeTypeSupported = await ImageDecoder.isTypeSupported(mime.type);
+      if (isMimeTypeSupported) {
+        for (const mimeType of [mime.type, ...(mime.aliases || [])]) {
+          supportedImageMimeTypes.add(mimeType);
+        }
+      }
+    }
+
+    return;
+  }
+
+  const jxlImg = new Image();
+  jxlImg.addEventListener('load', () => {
     supportedImageMimeTypes.add('image/jxl');
   });
-  img.src = 'data:image/jxl;base64,/woIAAAMABKIAgC4AF3lEgA='; // Small valid JPEG XL image
+  jxlImg.src = 'data:image/jxl;base64,/woIAAAMABKIAgC4AF3lEgA='; // Small valid JPEG XL image
+
+  const heicImg = new Image();
+  heicImg.addEventListener('load', () => {
+    supportedImageMimeTypes.add('image/heic');
+  });
+  heicImg.src =
+    'data:image/heic;base64,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'; // Small valid HEIC/HEIF image
 }
-checkJxlSupport();
+void addSupportedMimeTypes();
 
 /**
  * Returns true if the asset is an image supported by web browsers, false otherwise