WIP of upgrading fetch to v3

package.json

@@ -40,7 +40,7 @@
   "dependencies": {
     "http-proxy-agent": "^5.0.0",
     "https-proxy-agent": "^5.0.0",
-    "node-fetch": "^2.7.0",
+    "node-fetch": "^3.3.2",
     "stream-events": "^1.0.5",
     "uuid": "^11.0.5"
   },

src/index.ts

@@ -17,13 +17,15 @@
 
 import {Agent, AgentOptions as HttpsAgentOptions} from 'https';
 import {AgentOptions as HttpAgentOptions} from 'http';
-import fetch, * as f from 'node-fetch';
+import type * as f from 'node-fetch' with {'resolution-mode': 'import'};
 import {PassThrough, Readable, pipeline} from 'stream';
 import * as uuid from 'uuid';
 import {getAgent} from './agents';
 import {TeenyStatistics} from './TeenyStatistics';
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const streamEvents = require('stream-events');
+const fetch = (...args: any[]) =>
+  import('node-fetch').then(({default: fetch}) => fetch([...args] as any));
 
 export interface CoreOptions {
   method?: string;
@@ -152,7 +154,7 @@ function fetchToRequestResponse(opts: f.RequestInit, res: f.Response) {
   const resHeaders = {} as Headers;
   res.headers.forEach((value, key) => (resHeaders[key] = value));
 
-  const response = Object.assign(res.body, {
+  const response = Object.assign(res.body as any, {
     statusCode: res.status,
     statusMessage: res.statusText,
     request,

test/TeenyStatistics.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import * as assert from 'assert';
+import assert from 'assert';
 import {afterEach, before, beforeEach, describe, it} from 'mocha';
 import * as sinon from 'sinon';
 import {

test/agents.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import * as assert from 'assert';
+import assert from 'assert';
 import {describe, it, afterEach} from 'mocha';
 import * as http from 'http';
 import * as https from 'https';