feat: add exif data to image tags

src/helpers/image.ts

@@ -1,16 +1,14 @@
 let loadingSharp = false;
 import { rgbaToThumbHash } from "thumbhash";
+import ExifReader from 'exifreader';
 
 let s: typeof import("sharp") | undefined;
 
 async function getSharp(): Promise<typeof import("sharp") | undefined> {
 
   if (s) return s;
-
-  if (import.meta.env.MODE !== "development") {
-    s = (await import("sharp")).default;
-    return s;
-  }
+  s = (await import("sharp")).default;
+  return s;
 
   if (!loadingSharp) {
     loadingSharp = true;
@@ -42,3 +40,33 @@ export async function generateThumbHash(image: { width: number, height: number }
   const buffer = rgbaToThumbHash(smallWidth, smallHeight, smallImg);
   return Buffer.from(buffer).toString("base64");
 }
+
+const allowedExif = [
+  "ApertureValue",
+  "DateTimeOriginal",
+  "ExposureTime",
+  "ApertureValue",
+  "FNumber",
+  "FocalLength",
+  "GPSLatitude",
+  "GPSLongitude",
+  "GPSAltitude",
+  "IsoSpeedRatings",
+];
+
+export async function getExifData(image: { fsPath: string }) {
+  const sharp = await getSharp();
+  if (!sharp) return;
+  const tags = await ExifReader.load(image.fsPath, { async: true });
+
+  const out: Record<string, any> = {};
+  let hasExif = false;
+
+  for (const key of allowedExif) {
+    if (!tags[key]) continue;
+    hasExif = true;
+    out[key] = tags[key].description;
+  }
+
+  return hasExif ? out : undefined;
+}