feat: package is now ESM (#372)

* feat: package is now ESM

BREAKING CHANGE: package is now ESM

* docs(README): update for ESM

Author: wolfy1339

README.md

@@ -30,8 +30,8 @@ Node
 Install with `npm install @octokit/core @octokit/plugin-request-log`. Optionally replace `@octokit/core` with a core-compatible module
 
 ```js
-const { Octokit } = require("@octokit/core");
-const { requestLog } = require("@octokit/plugin-request-log");
+import { Octokit } from "@octokit/core";
+import { requestLog } from "@octokit/plugin-request-log";
 ```
 
 </td></tr>
@@ -52,8 +52,9 @@ octokit.request("GET /oops");
 In order to log all request options, the `log.debug` option needs to be set. We recommend the [console-log-level](https://github.com/watson/console-log-level) package for a configurable log level
 
 ```js
+import consoleLogLevel from "console-log-level";
 const octokit = new MyOctokit({
-  log: require("console-log-level")({
+  log: consoleLogLevel({
     auth: "secret123",
     level: "info",
   }),

package-lock.json

@@ -2,12 +2,13 @@
   "name": "@octokit/plugin-request-log",
   "version": "0.0.0-development",
   "description": "Log all requests and request errors",
+  "type": "module",
   "scripts": {
     "build": "node scripts/build.mjs && tsc -p tsconfig.json",
     "lint": "prettier --check '{src,test,scripts}/**/*' README.md package.json",
     "lint:fix": "prettier --write '{src,test,scripts}/**/*' README.md package.json",
     "pretest": "npm run -s lint",
-    "test": "jest --coverage"
+    "test": "NODE_OPTIONS=\"$NODE_OPTIONS --experimental-vm-modules\" npx jest --coverage"
   },
   "repository": "github:octokit/plugin-request-log.js",
   "keywords": [
@@ -19,11 +20,11 @@
   "author": "Gregor Martynus (https://twitter.com/gr2m)",
   "license": "MIT",
   "peerDependencies": {
-    "@octokit/core": "5"
+    "@octokit/core": ">=6"
   },
   "devDependencies": {
-    "@octokit/core": "^5.0.0",
-    "@octokit/tsconfig": "^2.0.0",
+    "@octokit/core": "^6.0.0",
+    "@octokit/tsconfig": "^3.0.0",
     "@types/fetch-mock": "^7.3.2",
     "@types/jest": "^29.0.0",
     "@types/node": "^20.0.0",
@@ -37,11 +38,15 @@
     "typescript": "^5.0.0"
   },
   "jest": {
+    "extensionsToTreatAsEsm": [
+      ".ts"
+    ],
     "transform": {
       "^.+\\.(ts|tsx)$": [
         "ts-jest",
         {
-          "tsconfig": "test/tsconfig.test.json"
+          "tsconfig": "test/tsconfig.test.json",
+          "useESM": true
         }
       ]
     },
@@ -52,6 +57,9 @@
         "functions": 100,
         "lines": 100
       }
+    },
+    "moduleNameMapper": {
+      "^(.+)\\.jsx?$": "$1"
     }
   },
   "release": {

package.json

@@ -33,30 +33,6 @@ async function main() {
     await rm(typeFile);
   }
 
-  const entryPoints = ["./pkg/dist-src/index.js"];
-
-  await Promise.all([
-    // Build the a CJS Node.js bundle
-    esbuild.build({
-      entryPoints,
-      outdir: "pkg/dist-node",
-      bundle: true,
-      platform: "node",
-      target: "node18",
-      format: "cjs",
-      ...sharedOptions,
-    }),
-    // Build an ESM browser bundle
-    esbuild.build({
-      entryPoints,
-      outdir: "pkg/dist-web",
-      bundle: true,
-      platform: "browser",
-      format: "esm",
-      ...sharedOptions,
-    }),
-  ]);
-
   // Copy the README, LICENSE to the pkg folder
   await copyFile("LICENSE", "pkg/LICENSE");
   await copyFile("README.md", "pkg/README.md");
@@ -74,10 +50,14 @@ async function main() {
       {
         ...pkg,
         files: ["dist-*/**", "bin/**"],
-        main: "dist-node/index.js",
-        browser: "dist-web/index.js",
+        main: "dist-src/index.js",
         types: "dist-types/index.d.ts",
-        module: "dist-src/index.js",
+        exports: {
+          ".": {
+            types: "./dist-types/index.d.ts",
+            import: "./dist-src/index.js",
+          },
+        },
         sideEffects: false,
       },
       null,

scripts/build.mjs

@@ -1,5 +1,5 @@
 import type { Octokit } from "@octokit/core";
-import { VERSION } from "./version";
+import { VERSION } from "./version.js";
 
 /**
  * @param octokit Octokit instance

src/index.ts

@@ -1,7 +1,8 @@
 import { Octokit } from "@octokit/core";
 import fetchMock from "fetch-mock";
+import { jest } from "@jest/globals";
 
-import { requestLog } from "../src";
+import { requestLog } from "../src/index.js";
 
 describe("logging", () => {
   it("logs sucessful 'GET /'", async () => {

test/request-log.test.ts

@@ -1,4 +1,4 @@
-import { requestLog } from "../src";
+import { requestLog } from "../src/index.js";
 
 describe("Smoke test", () => {
   it("is a function", () => {