fix(deps): update dependency @octokit/tsconfig to v2, explicitly mark type imports

package.json

@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@octokit/auth-app": "^4.0.0",
-    "@octokit/tsconfig": "^1.0.2",
+    "@octokit/tsconfig": "^2.0.0",
     "@types/fetch-mock": "^7.2.4",
     "@types/jest": "^29.0.0",
     "@types/lolex": "^5.1.0",
@@ -50,7 +50,14 @@
     "typescript": "^5.0.0"
   },
   "jest": {
-    "preset": "ts-jest",
+    "transform": {
+      "^.+\\.(ts|tsx)$": [
+        "ts-jest",
+        {
+          "tsconfig": "test/tsconfig.test.json"
+        }
+      ]
+    },
     "coverageThreshold": {
       "global": {
         "statements": 100,

src/fetch-wrapper.ts

@@ -1,7 +1,7 @@
 import { isPlainObject } from "is-plain-object";
-import nodeFetch, { HeadersInit, Response } from "node-fetch";
+import nodeFetch, { type HeadersInit, type Response } from "node-fetch";
 import { RequestError } from "@octokit/request-error";
-import { EndpointInterface } from "@octokit/types";
+import type { EndpointInterface } from "@octokit/types";
 
 import getBuffer from "./get-buffer-response";
 

src/get-buffer-response.ts

@@ -1,4 +1,4 @@
-import { Response } from "node-fetch";
+import type { Response } from "node-fetch";
 export default function getBufferResponse(response: Response) {
   return response.arrayBuffer();
 }

src/with-defaults.ts

@@ -1,5 +1,5 @@
 import fetchWrapper from "./fetch-wrapper";
-import {
+import type {
   EndpointOptions,
   EndpointInterface,
   OctokitResponse,

test/request.test.ts

@@ -3,10 +3,10 @@ import stream from "stream";
 
 import { getUserAgent } from "universal-user-agent";
 import fetchMock from "fetch-mock";
-import { Headers, RequestInit } from "node-fetch";
+import { Headers, type RequestInit } from "node-fetch";
 import { createAppAuth } from "@octokit/auth-app";
 import lolex from "lolex";
-import {
+import type {
   EndpointOptions,
   RequestInterface,
   ResponseHeaders,

test/tsconfig.test.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "emitDeclarationOnly": false,
+    "noEmit": true,
+    "verbatimModuleSyntax": false
+  },
+  "include": ["src/**/*"]
+}