feat: media page T1

web/src/lib/imageUpload.ts

@@ -27,6 +27,17 @@ export function validateImageFile(file: File): ImageValidationResult {
 	return { ok: true }
 }
 
+const EXTENSIONS_BY_MIME_TYPE: Record<string, string[]> = {
+	'image/png': ['.png'],
+	'image/jpeg': ['.jpg', '.jpeg'],
+	'image/webp': ['.webp'],
+	'image/svg+xml': ['.svg'],
+}
+
+export function extensionMatchesType(file: File) {
+	return EXTENSIONS_BY_MIME_TYPE[file.type]?.includes(fileExtension(file.name)) ?? false
+}
+
 export function formatMegabytes(bytes: number) {
 	return (bytes / (1024 * 1024)).toFixed(1)
 }