First concept

node_modules/next/dist/esm/server/load-manifest.js

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+import { readFileSync } from "fs";
+import { runInNewContext } from "vm";
+const cache = new Map();
+export function loadManifest(path, shouldCache = true) {
+    const cached = shouldCache && cache.get(path);
+    if (cached) {
+        return cached;
+    }
+    const manifest = JSON.parse(readFileSync(path, "utf8"));
+    if (shouldCache) {
+        cache.set(path, manifest);
+    }
+    return manifest;
+}
+export function evalManifest(path, shouldCache = true) {
+    const cached = shouldCache && cache.get(path);
+    if (cached) {
+        return cached;
+    }
+    const content = readFileSync(path, "utf8");
+    if (content.length === 0) {
+        throw new Error("Manifest file is empty");
+    }
+    const contextObject = {};
+    runInNewContext(content, contextObject);
+    if (shouldCache) {
+        cache.set(path, contextObject);
+    }
+    return contextObject;
+}
+export function clearManifestCache(path) {
+    return cache.delete(path);
+}
+
+//# sourceMappingURL=load-manifest.js.map