feat: drop support for node 16 and move to require native fetch

.github/dependabot.yml

@@ -48,12 +48,6 @@ updates:
       - dependency-name: find-cache-dir
         versions:
           - '>= 4'
-      - dependency-name: form-data-encoder
-        versions:
-          - '>= 2'
-      - dependency-name: formdata-node
-        versions:
-          - '>= 5'
       - dependency-name: get-stream
         versions:
           - '>= 7'

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
 
       - run: npm ci
       - run: npm run build
@@ -28,7 +28,6 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 16
           - 18
           - 20
 

.github/workflows/smoketest.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
 
       - run: npm ci
       - run: npm run build

packages/api/package.json

@@ -29,7 +29,7 @@
   "author": "Jon Ursenbach <jon@readme.io>",
   "license": "MIT",
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "keywords": [
     "api",
@@ -45,13 +45,10 @@
     "commander": "^11.0.0",
     "datauri": "^4.1.0",
     "execa": "^5.1.1",
-    "fetch-har": "^8.1.5",
+    "fetch-har": "^10.0.0",
     "figures": "^3.2.0",
     "find-cache-dir": "^3.3.1",
-    "form-data-encoder": "^1.7.2",
-    "formdata-node": "^4.3.2",
     "get-stream": "^6.0.1",
-    "isomorphic-fetch": "^3.0.0",
     "js-yaml": "^4.1.0",
     "json-schema-to-ts": "^2.9.2",
     "json-schema-traverse": "^1.0.0",
@@ -61,7 +58,6 @@
     "lodash.setwith": "^4.3.2",
     "lodash.startcase": "^4.4.0",
     "make-dir": "^3.1.0",
-    "node-abort-controller": "^3.1.1",
     "oas": "^20.4.0",
     "ora": "^5.4.1",
     "prompts": "^2.4.2",
@@ -88,6 +84,7 @@
     "@types/validate-npm-package-name": "^4.0.0",
     "@vitest/coverage-v8": "^0.34.1",
     "fetch-mock": "^9.11.0",
+    "formdata-to-string": "^1.0.0",
     "oas-normalize": "^8.3.2",
     "type-fest": "^4.3.1",
     "typescript": "^5.2.2",

packages/api/src/cache.ts

@@ -6,7 +6,6 @@ import os from 'os';
 import path from 'path';
 
 import findCacheDir from 'find-cache-dir';
-import 'isomorphic-fetch';
 import makeDir from 'make-dir';
 
 import Fetcher from './fetcher';

packages/api/src/core/index.ts

@@ -4,10 +4,6 @@ import type { HttpMethods } from 'oas/dist/rmoas.types';
 
 import oasToHar from '@readme/oas-to-har';
 import fetchHar from 'fetch-har';
-import { FormDataEncoder } from 'form-data-encoder';
-import 'isomorphic-fetch';
-// `AbortController` was shipped in Node 15 so when Node 14 is EOL'd we can drop this dependency.
-import { AbortController } from 'node-abort-controller';
 
 import FetchError from './errors/fetchError';
 import getJSONSchemaDefaults from './getJSONSchemaDefaults';
@@ -113,15 +109,12 @@ export default class APICore {
       if (this.config.timeout) {
         const controller = new AbortController();
         timeoutSignal = setTimeout(() => controller.abort(), this.config.timeout);
-        // @todo Typing on `AbortController` coming out of `node-abort-controler` isn't right so when
-        // we eventually drop that dependency we can remove the `as any` here.
         init.signal = controller.signal as any;
       }
 
       return fetchHar(har as any, {
         files: data.files || {},
         init,
-        multipartEncoder: FormDataEncoder,
         userAgent: this.userAgent,
       })
         .then(async (res: Response) => {

packages/api/src/fetcher.ts

@@ -4,7 +4,6 @@ import fs from 'fs';
 import path from 'path';
 
 import OpenAPIParser from '@readme/openapi-parser';
-import 'isomorphic-fetch';
 import yaml from 'js-yaml';
 
 export default class Fetcher {