http-client: replace node-fetch with native fetch API

common/changes/@subsquid/http-client/remove-node-fetch_2026-04-02-10-53.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@subsquid/http-client",
+      "comment": "replace `node-fetch` with native `fetch` API",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@subsquid/http-client"
+}

util/http-client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@subsquid/http-client",
-  "version": "1.8.0",
+  "version": "2.0.0",
   "description": "Small convenience layer on top of fetch",
   "license": "GPL-3.0-or-later",
   "repository": "git@github.com:subsquid/squid-sdk.git",
@@ -10,17 +10,15 @@
   "main": "lib/index.js",
   "files": [
     "lib",
-    "src",
-    "esm.d.ts",
-    "esm.js"
+    "src"
   ],
   "scripts": {
-    "build": "rm -rf lib && tsc"
+    "build": "rm -rf lib && tsc",
+    "test": "node --test lib/client.test.js"
   },
   "dependencies": {
     "@subsquid/logger": "^1.5.0",
-    "@subsquid/util-internal": "^3.2.0",
-    "node-fetch": "^3.3.2"
+    "@subsquid/util-internal": "^3.2.0"
   },
   "devDependencies": {
     "@types/node": "^18.18.14",

util/http-client/src/agent.ts

@@ -1,39 +1,18 @@
-import * as http from 'http'
-import * as https from 'https'
-
 
 export interface AgentProvider {
-    getNativeAgent(url: string): http.Agent
+    close?(): void
 }
 
 
-export const defaultAgentProvider: AgentProvider = {
-    getNativeAgent(url: string): http.Agent {
-        if (url.startsWith('https://')) {
-            return https.globalAgent
-        } else {
-            return http.globalAgent
-        }
-    }
-}
+export const defaultAgentProvider: AgentProvider = {}
 
 
+/**
+ * @deprecated Built-in fetch manages keep-alive connections internally.
+ * Retained for backward compatibility.
+ */
 export class HttpAgent implements AgentProvider {
-    private http?: http.Agent
-    private https?: https.Agent
-
-    constructor(private options: https.AgentOptions) {}
-
-    getNativeAgent(url: string): http.Agent {
-        if (url.startsWith('https://')) {
-            return this.https || (this.https = new https.Agent(this.options))
-        } else {
-            return this.http || (this.http = new http.Agent(this.options))
-        }
-    }
+    constructor(_options?: Record<string, any>) {}
 
-    close() {
-        this.http?.destroy()
-        this.https?.destroy()
-    }
+    close() {}
 }