refactor: patch getBuildId using ast-grep

packages/cloudflare/src/cli/build/bundle-server.ts

@@ -9,6 +9,7 @@ import { build } from "esbuild";
 import { patchVercelOgLibrary } from "./patches/ast/patch-vercel-og-library.js";
 import { patchWebpackRuntime } from "./patches/ast/webpack-runtime.js";
 import * as patches from "./patches/index.js";
+import { inlineBuildId } from "./patches/plugins/build-id.js";
 import { ContentUpdater } from "./patches/plugins/content-updater.js";
 import { inlineEvalManifest } from "./patches/plugins/eval-manifest.js";
 import { patchFetchCacheSetMissingWaitUntil } from "./patches/plugins/fetch-cache-wait-until.js";
@@ -95,6 +96,7 @@ export async function bundleServer(buildOpts: BuildOptions): Promise<void> {
       inlineEvalManifest(updater, buildOpts),
       inlineFindDir(updater, buildOpts),
       inlineLoadManifest(updater, buildOpts),
+      inlineBuildId(updater),
       // Apply updater updaters, must be the last plugin
       updater.plugin,
     ],
@@ -197,7 +199,6 @@ export async function updateWorkerBundledCode(
 
   const patchedCode = await patchCodeWithValidations(code, [
     ["require", patches.patchRequire],
-    ["`buildId` function", (code) => patches.patchBuildId(code, buildOpts)],
     ["cacheHandler", (code) => patches.patchCache(code, buildOpts)],
     [
       "'require(this.middlewareManifestPath)'",

packages/cloudflare/src/cli/build/patches/index.ts

@@ -1,2 +1,2 @@
 export * from "./investigated/index.js";
-export * from "./to-investigate/index.js";
+export * from "./to-investigate/inline-middleware-manifest.js";

packages/cloudflare/src/cli/build/patches/plugins/build-id.ts

@@ -0,0 +1,31 @@
+/**
+ * Inline `getBuildId` as it relies on `readFileSync`that is not supported by workerd.
+ */
+
+import { getCrossPlatformPathRegex } from "@opennextjs/aws/utils/regex.js";
+
+import { patchCode } from "../ast/util.js";
+import type { ContentUpdater } from "./content-updater.js";
+
+export function inlineBuildId(updater: ContentUpdater) {
+  return updater.updateContent(
+    "inline-build-id",
+    {
+      filter: getCrossPlatformPathRegex(String.raw`/next/dist/server/next-server\.js$`, { escape: false }),
+      contentFilter: /getBuildId\(/,
+    },
+    async ({ contents }) => patchCode(contents, rule)
+  );
+}
+
+const rule = `
+rule:
+  kind: method_definition
+  has:
+    field: name
+    regex: ^getBuildId$
+fix: |-
+  getBuildId() {
+    return process.env.NEXT_BUILD_ID;
+  }
+`;