wip fix

pkgs/api/_img.ts

@@ -1,10 +1,13 @@
 import { dirAsync } from "fs-jetpack";
 import { apiContext } from "service-srv";
+import { stat } from "fs/promises";
 import { dir } from "utils/dir";
 import { g } from "utils/global";
 import { dirname, parse } from "path";
 import sharp from "sharp";
 
+const modified = {} as Record<string, number>;
+
 export const _ = {
   url: "/_img/**",
   async api() {
@@ -22,13 +25,25 @@ export const _ = {
       .filter((e) => !!e)
       .join("/");
 
+    try {
+      const filepath = dir(`${g.datadir}/files/${rpath}`);
+      const st = await stat(filepath);
+      if (st.isFile()) {
+        if (
+          !modified[filepath] ||
+          (modified[filepath] && modified[filepath] !== st.mtimeMs)
+        ) {
+          modified[filepath] = st.mtimeMs;
+          force = true;
+        }
+
         if (!w) {
-      const file = Bun.file(dir(`${g.datadir}/files/${rpath}`));
+          const file = Bun.file(filepath);
           return new Response(file);
         } else {
-      const original = Bun.file(dir(`${g.datadir}/files/${rpath}`));
-      if (await original.exists()) {
-        const p = parse(dir(`${g.datadir}/files/${rpath}`));
+          const original = Bun.file(filepath);
+
+          const p = parse(filepath);
           if (p.ext === ".svg") {
             return new Response(original);
           }
@@ -40,7 +55,6 @@ export const _ = {
             force = true;
           }
 
-
           if (format === "jpg" && !file_name.endsWith(".jpg")) {
             force = true;
           }
@@ -61,6 +75,9 @@ export const _ = {
           return new Response(file);
         }
       }
+    } catch (e: any) {
+      return new Response("ERROR:" + e.message, { status: 404 });
+    }
 
     return res;
   },