[SDK-4485] Use native fetch, drop Node 16 support

package.json

@@ -50,7 +50,6 @@
   "homepage": "https://github.com/auth0/node-auth0",
   "dependencies": {
     "jose": "^4.13.2",
-    "node-fetch": "^3.3.1",
     "uuid": "^9.0.0"
   },
   "devDependencies": {
@@ -72,6 +71,7 @@
     "husky": "^3.0.1",
     "jest": "^29.5.0",
     "nock": "^13.2.7",
+    "node-fetch": "^3.3.1",
     "prettier": "^2.8.7",
     "pretty-quick": "^1.11.1",
     "ts-jest": "^29.1.0",

playground/handlers.ts

@@ -731,7 +731,7 @@ export async function jobs() {
   const ids = [];
 
   const { data: createImportJob } = await mgmntClient.jobs.importUsers({
-    users: fs.createReadStream(usersFilePath),
+    users: new Blob([fs.readFileSync(usersFilePath)], { type: 'application/json' }),
     connection_id: connection.id as string,
   });
 

src/lib/runtime.ts

@@ -1,4 +1,3 @@
-import type { ReadStream } from 'fs';
 import { retry } from './retry.js';
 import { FetchError, RequiredError, TimeoutError } from './errors.js';
 import {
@@ -10,17 +9,6 @@ import {
   FetchAPI,
 } from './models.js';
 
-/**
- * @private
- */
-const nodeFetch = (...args: Parameters<FetchAPI>) =>
-  import('node-fetch').then(({ default: fetch }) => (fetch as FetchAPI)(...args));
-
-/**
- * @private
- */
-export const getFormDataCls = async () => import('node-fetch').then(({ FormData }) => FormData);
-
 export * from './models.js';
 
 /**
@@ -43,7 +31,7 @@ export class BaseAPI {
     }
 
     this.middleware = configuration.middleware || [];
-    this.fetchApi = configuration.fetchApi || nodeFetch;
+    this.fetchApi = configuration.fetchApi || fetch;
     this.parseError = configuration.parseError;
     this.timeoutDuration =
       typeof configuration.timeoutDuration === 'number' ? configuration.timeoutDuration : 10000;
@@ -96,11 +84,10 @@ export class BaseAPI {
       })),
     };
 
-    const { Blob } = await import('node-fetch');
     const init: RequestInit = {
       ...overriddenInit,
       body:
-        (await isFormData(overriddenInit.body)) ||
+        overriddenInit.body instanceof FormData ||
         overriddenInit.body instanceof URLSearchParams ||
         overriddenInit.body instanceof Blob
           ? overriddenInit.body
@@ -184,11 +171,6 @@ export class BaseAPI {
   };
 }
 
-async function isFormData(value: unknown): Promise<boolean> {
-  const FormData = await getFormDataCls();
-  return typeof FormData !== 'undefined' && value instanceof FormData;
-}
-
 /**
  * @private
  */
@@ -312,17 +294,9 @@ export function applyQueryParams<
  * @private
  */
 export async function parseFormParam(
-  originalValue: number | boolean | string | Blob | ReadStream
+  originalValue: number | boolean | string | Blob
 ): Promise<string | Blob> {
   let value = originalValue;
   value = typeof value == 'number' || typeof value == 'boolean' ? '' + value : value;
-  if (
-    typeof originalValue === 'object' &&
-    'path' in originalValue &&
-    typeof originalValue.path === 'string'
-  ) {
-    const { fileFrom } = await import('node-fetch');
-    value = await fileFrom(originalValue.path, 'application/json');
-  }
   return value as string | Blob;
 }

src/management/__generated/managers/jobs-manager.ts

@@ -99,7 +99,7 @@ export class JobsManager extends BaseAPI {
     bodyParameters: PostUsersImportsData,
     initOverrides?: InitOverride
   ): Promise<ApiResponse<Job>> {
-    const formParams = new (await runtime.getFormDataCls())();
+    const formParams = new FormData();
 
     if (bodyParameters.users !== undefined) {
       formParams.append('users', await runtime.parseFormParam(bodyParameters.users));

src/management/__generated/models/index.ts

@@ -1,5 +1,3 @@
-import type { ReadStream } from 'fs';
-
 /**
  *
  */
@@ -11963,7 +11961,7 @@ export interface GetJobsByIdRequest {
 export interface PostUsersImportsData {
   /**
    */
-  users: Blob | ReadStream;
+  users: Blob;
   /**
    * connection_id of the connection to which users will be imported.
    *