full rewrite

src/getImages.js

@@ -0,0 +1,23 @@
+const fs = require("fs");
+
+const CSV_FILE = process.env.CSV_FILE || "./uploads/sha1.csv";
+const IMAGE_BASE_URL = process.env.IMAGE_BASE_URL || "https://placehold.co/";
+
+function getImages() {
+  if (!fs.existsSync(CSV_FILE)) return [];
+
+  return fs
+    .readFileSync(CSV_FILE, "utf-8")
+    .split("\n")
+    .filter(line => line.includes(";"))
+    .map(line => {
+      const [hash, filename] = line.split(";");
+      return {
+        url: `${IMAGE_BASE_URL.replace(/\/$/, "")}/${filename.trim()}`,
+        name: filename.trim(),
+        hash: hash,
+      };
+    });
+}
+
+module.exports = getImages;