feat(node): update eventsource from v2 to v4

examples/todo-server-tests/tsconfig.json

@@ -7,9 +7,19 @@
     "declaration": true,
     "noEmitOnError": true,
     "verbatimModuleSyntax": false,
+    // TODO: Remove DOM here!! The Node SDK should not need DOM types.
+    "lib": ["ESNext", "DOM"],
     "types": ["node"],
     "paths": {
-      "featurehub-javascript-node-sdk": ["../../packages/node/src"]
+      "featurehub-javascript-client-sdk": ["../../packages/js/src"],
+      "featurehub-javascript-node-sdk": ["../../packages/node/src"],
+      /*
+        This is a workaround to bypass Typescript checking of the cross-sha256 package.
+        The author of the package improperly exported the source .ts file alongside the js file
+      */
+      "cross-sha256": [
+        "../../node_modules/.pnpm/[email protected]/node_modules/cross-sha256/index.d.ts"
+      ]
     }
   },
   "include": ["src/**/*", "features/**/*"]

packages/js/package.json

@@ -71,7 +71,6 @@
     "cross-sha256": "^1.2.0",
     "murmurhash": "^2.0.1",
     "netmask": "^2.0.2",
-    "restify": "^11.1.0",
     "semver-compare": "^1.0.0"
   },
   "engines": {

packages/js/src/featurehub_eventsource.ts

@@ -17,9 +17,9 @@ export declare class EventSource {
   readonly readyState: number;
   readonly withCredentials: boolean;
 
-  onopen: (evt: MessageEvent) => any;
-  onmessage: (evt: MessageEvent) => any;
-  onerror: (evt: MessageEvent) => any;
+  onopen?: ((evt: Event) => void) | null;
+  onmessage?: ((evt: MessageEvent) => void) | null;
+  onerror?: ((evt: Event) => void) | null;
 
   constructor(url: string, eventSourceInitDict?: EventSource.EventSourceInitDict);
 

packages/node/package.json

@@ -58,9 +58,8 @@
     "vite": "7.1.10"
   },
   "dependencies": {
-    "eventsource": "^2.0.2",
-    "featurehub-javascript-client-sdk": "^1.4.0",
-    "restify": "^11.1.0"
+    "eventsource": "^4.0.0",
+    "featurehub-javascript-client-sdk": "workspace:*"
   },
   "engines": {
     "node": ">=20.0.0"

packages/node/src/index.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
+import { EventSource } from "eventsource";
 import {
   EdgeFeatureHubConfig,
   type FeatureEnvironmentCollection,
@@ -20,12 +20,10 @@ import {
 } from "featurehub-javascript-client-sdk";
 import { URL } from "url";
 
-const ES = require("eventsource");
-
 export * from "featurehub-javascript-client-sdk";
 
 FeatureHubEventSourceClient.eventSourceProvider = (url, dict) => {
-  return new ES(url, dict);
+  return new EventSource(url, dict);
 };
 
 interface PromiseLikeData {

packages/node/tsconfig.json

@@ -2,14 +2,24 @@
   "$schema": "https://json.schemastore.org/tsconfig",
   "extends": "featurehub-tsconfig/base.json",
   "compilerOptions": {
-    "module": "CommonJS",
-    "moduleResolution": "node",
     "declaration": true,
     "declarationMap": true,
     "emitDeclarationOnly": true,
     "noEmitOnError": true,
     "verbatimModuleSyntax": false,
-    "types": ["node"]
+    // TODO: Remove DOM here!! The Node SDK should not need DOM types. We need to define a core JS package
+    "lib": ["ESNext", "DOM"],
+    "types": ["node"],
+    "paths": {
+      "featurehub-javascript-client-sdk": ["../js/src"],
+      /*
+        This is a workaround to bypass Typescript checking of the cross-sha256 package.
+        The author of the package improperly exported the source .ts file alongside the js file
+      */
+      "cross-sha256": [
+        "../../node_modules/.pnpm/[email protected]/node_modules/cross-sha256/index.d.ts"
+      ]
+    }
   },
   "include": ["**/*.ts", "**/*.tsx"],
   "exclude": ["node_modules", "dist"]