feat: heic support

lib/validation/upload.ts

@@ -1,8 +1,33 @@
 import { z } from "zod"
 
-export const allowedImageContentTypes = ["image/jpeg", "image/png", "image/webp"] as const
+export const allowedImageContentTypes = [
+  "image/jpeg",
+  "image/png",
+  "image/webp",
+  "image/heic",
+  "image/heif",
+] as const
+export const allowedImageExtensions = [".jpg", ".jpeg", ".png", ".webp", ".heic", ".heif"] as const
 export const maxUploadSizeBytes = 10 * 1024 * 1024
 
+export type AllowedImageContentType = (typeof allowedImageContentTypes)[number]
+
+export function getUploadContentType(file: File): AllowedImageContentType | null {
+  const type = file.type.toLowerCase()
+  if (type === "image/jpg") return "image/jpeg"
+  if (allowedImageContentTypes.includes(type as AllowedImageContentType)) {
+    return type as AllowedImageContentType
+  }
+
+  const extension = `.${file.name.split(".").pop()?.toLowerCase() ?? ""}`
+  if ([".jpg", ".jpeg"].includes(extension)) return "image/jpeg"
+  if (extension === ".png") return "image/png"
+  if (extension === ".webp") return "image/webp"
+  if (extension === ".heic") return "image/heic"
+  if (extension === ".heif") return "image/heif"
+  return null
+}
+
 export const presignUploadSchema = z.object({
   token: z.string().min(1),
   filename: z.string().trim().min(1).max(255),