feat: package is now ESM

BREAKING CHANGE: package is now ESM

package.json

@@ -4,13 +4,14 @@
   "publishConfig": {
     "access": "public"
   },
+  "type": "module",
   "description": "Extendable client for GitHub's REST & GraphQL APIs",
   "scripts": {
     "build": "node scripts/build.mjs && tsc -p tsconfig.json",
     "lint": "prettier --check '{src,test}/**/*.{ts,md}' README.md package.json",
     "lint:fix": "prettier --write '{src,test}/**/*.{ts,md}' README.md package.json",
     "pretest": "npm run -s lint",
-    "test": "jest --coverage",
+    "test": "NODE_OPTIONS=\"$NODE_OPTIONS --experimental-vm-modules\" npx jest --coverage",
     "test:typescript": "npx tsc --noEmit --declaration --noUnusedLocals --allowImportingTsExtensions test/typescript-validate.ts"
   },
   "repository": "github:octokit/core.js",
@@ -24,21 +25,21 @@
   "author": "Gregor Martynus (https://github.com/gr2m)",
   "license": "MIT",
   "dependencies": {
-    "@octokit/auth-token": "^4.0.0",
-    "@octokit/graphql": "^7.0.0",
-    "@octokit/request": "^8.0.2",
-    "@octokit/request-error": "^5.0.0",
+    "@octokit/auth-token": "^5.0.0-beta.1",
+    "@octokit/graphql": "^8.0.0-beta.1",
+    "@octokit/request": "^9.0.0",
+    "@octokit/request-error": "^6.0.1",
     "@octokit/types": "^12.0.0",
-    "before-after-hook": "^2.2.0",
-    "universal-user-agent": "^6.0.0"
+    "before-after-hook": "^3.0.2",
+    "universal-user-agent": "^7.0.0"
   },
   "devDependencies": {
     "@octokit/auth-action": "^4.0.0",
     "@octokit/auth-app": "^6.0.0",
     "@octokit/auth-oauth-app": "^7.0.0",
-    "@octokit/tsconfig": "^2.0.0",
+    "@octokit/tsconfig": "^3.0.0",
     "@sinonjs/fake-timers": "^11.2.2",
-    "@types/fetch-mock": "^7.3.1",
+    "@types/fetch-mock": "^7.3.8",
     "@types/jest": "^29.0.0",
     "@types/lolex": "^5.1.0",
     "@types/node": "^20.0.0",
@@ -57,11 +58,15 @@
     "undici": "^6.0.0"
   },
   "jest": {
+    "extensionsToTreatAsEsm": [
+      ".ts"
+    ],
     "transform": {
       "^.+\\.(ts|tsx)$": [
         "ts-jest",
         {
-          "tsconfig": "test/tsconfig.test.json"
+          "tsconfig": "test/tsconfig.test.json",
+          "useESM": true
         }
       ]
     },

src/index.ts

@@ -1,6 +1,6 @@
 import { getUserAgent } from "universal-user-agent";
 import type { HookCollection } from "before-after-hook";
-import { Collection } from "before-after-hook";
+import Hook from "before-after-hook";
 import { request } from "@octokit/request";
 import { graphql, withCustomRequest } from "@octokit/graphql";
 import { createTokenAuth } from "@octokit/auth-token";
@@ -80,7 +80,7 @@ export class Octokit {
   }
 
   constructor(options: OctokitOptions = {}) {
-    const hook = new Collection<Hooks>();
+    const hook = new Hook.Collection<Hooks>();
     const requestDefaults: Required<RequestParameters> = {
       baseUrl: request.endpoint.DEFAULTS.baseUrl,
       headers: {},

test/agent-ca/agent-ca-test.test.ts

@@ -5,6 +5,7 @@ import { fetch as undiciFetch, Agent } from "undici";
 import { request } from "@octokit/request";
 import { type AddressInfo } from "node:net";
 
+const __dirname = new URL(".", import.meta.url).pathname;
 const ca = readFileSync(resolve(__dirname, "./ca.crt"));
 
 describe("custom client certificate", () => {

test/agent-proxy/agent-proxy-test.test.ts

@@ -11,7 +11,7 @@
  */
 import { Server, createServer } from "node:http";
 import { type AddressInfo } from "node:net";
-import { ProxyServer, createProxy } from "proxy";
+import { type ProxyServer, createProxy } from "proxy";
 import { ProxyAgent, fetch as undiciFetch } from "undici";
 import { Octokit } from "../../src/index.ts";
 

test/auth.test.ts

@@ -4,6 +4,7 @@ import { createAppAuth } from "@octokit/auth-app";
 import { createActionAuth } from "@octokit/auth-action";
 import { createOAuthAppAuth } from "@octokit/auth-oauth-app";
 import { install as installFakeTimers, type Clock } from "@sinonjs/fake-timers";
+import { jest } from "@jest/globals";
 
 import { Octokit } from "../src/index.ts";
 
@@ -47,7 +48,7 @@ beforeAll(() => {
   // unless `token.fingerprint` option was passed. The fingerprint is
   // calculated using `Math.random().toString(36).substr(2)`, so the
   // default fingerprint is always `"4feornbt361"`.
-  Math.random = jest.fn().mockReturnValue(0.123);
+  Math.random = jest.fn<Math["random"]>().mockReturnValue(0.123);
 
   // A timestamp is added to the default token note, e.g.
   // "octokit 2019-07-04 4feornbt361". sinon-fake-timers mocks the Date class so
@@ -402,13 +403,15 @@ describe("Authentication", () => {
 
     const strategyOptions = authStrategy.mock.calls[0][0];
 
+    // @ts-expect-error The types here don't work
     expect(Object.keys(strategyOptions).sort()).toStrictEqual([
       "log",
       "octokit",
       "octokitOptions",
       "request",
       "secret",
     ]);
+    // @ts-expect-error The types here don't work
     expect(strategyOptions.octokitOptions).toStrictEqual({
       auth: {
         secret: "123",

test/log.test.ts

@@ -1,3 +1,5 @@
+import { jest } from "@jest/globals";
+
 describe("octokit.log", () => {
   it(".debug() and .info() are no-ops by default", async () => {
     const calls: String[] = [];

test/request.test.ts

@@ -179,7 +179,6 @@ describe("octokit.request()", () => {
       {
         owner: "epmatsw",
         repo: "example-repo",
-        // @ts-expect-error There is currently an issue with the types, null is an allowed value
         milestone: null,
         issue_number: 1,
       },

test/tsconfig.test.json

@@ -3,7 +3,6 @@
   "compilerOptions": {
     "emitDeclarationOnly": false,
     "noEmit": true,
-    "verbatimModuleSyntax": false,
     "allowImportingTsExtensions": true
   },
   "include": ["src/**/*"]