Report Durable Functions JavaScript SDK version in binding metadata

packages/azure-functions-durable/package.json

@@ -34,8 +34,11 @@
   ],
   "scripts": {
     "clean": "node -e \"require('fs').rmSync('dist', {recursive:true, force:true})\"",
+    "prebuild": "node -p \"'// Auto-generated by prebuild\\nexport const SDK_VERSION = ' + JSON.stringify(require('./package.json').version) + ';\\nexport const SDK_PACKAGE_NAME = ' + JSON.stringify(require('./package.json').name) + ';'\" > src/version.ts",
     "build:core": "npm run build -w @microsoft/durabletask-js",
     "build": "npm run clean && npm run build:core && tsc -p tsconfig.build.json",
+    "pretest": "npm run prebuild",
+    "pretest:unit": "npm run prebuild",
     "test": "jest --runInBand --detectOpenHandles",
     "test:unit": "jest test/unit --runInBand --detectOpenHandles",
     "prepublishOnly": "npm run build && npm run test"

packages/azure-functions-durable/src/durable-grpc.ts

@@ -1,13 +1,21 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
+import { SDK_PACKAGE_NAME, SDK_VERSION } from "./version";
+
 export type DurableBindingMetadata = Record<string, unknown>;
 
 export function addDurableGrpcMetadata<TBinding extends DurableBindingMetadata>(
   binding: TBinding,
-): TBinding & { durableRequiresGrpc: true } {
+): TBinding & {
+  durableRequiresGrpc: true;
+  durableSdkName: string;
+  durableSdkVersion: string;
+} {
   return {
     ...binding,
     durableRequiresGrpc: true,
+    durableSdkName: SDK_PACKAGE_NAME,
+    durableSdkVersion: SDK_VERSION,
   };
 }

packages/azure-functions-durable/test/unit/durable-grpc.spec.ts

@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 import { addDurableGrpcMetadata } from "../../src/durable-grpc";
+import packageJson from "../../package.json";
 
 describe("addDurableGrpcMetadata", () => {
   it("adds durableRequiresGrpc without mutating the original binding", () => {
@@ -13,6 +14,8 @@ describe("addDurableGrpcMetadata", () => {
       type: "orchestrationTrigger",
       name: "context",
       durableRequiresGrpc: true,
+      durableSdkName: packageJson.name,
+      durableSdkVersion: packageJson.version,
     });
     expect(binding).toEqual({ type: "orchestrationTrigger", name: "context" });
   });