Migrate to using ESM

.eslintrc.js → .eslintrc.cjs

@@ -3,8 +3,8 @@ module.exports = {
   extends: ['eslint:recommended', 'plugin:node/recommended', 'prettier'],
   plugins: ['prettier', 'node'],
   parserOptions: {
-    ecmaVersion: 2017,
-    sourceType: 'script',
+    ecmaVersion: 2020,
+    sourceType: 'module',
   },
   env: {
     node: true,

.github/workflows/ci.yml

@@ -7,6 +7,17 @@ on:
   pull_request:
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 14.x
+    - run: npm ci
+    - run: npm run lint:js
+
   build:
     name: "Node ${{ matrix.node-version }}"
 
@@ -23,7 +34,6 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - name: install dependencies
       run: npm ci
-    - run: npm run lint:js
     - run: npm test
 
   release-it-compat:
@@ -43,5 +53,4 @@ jobs:
     - name: install dependencies
       run: npm ci
     - run: npm install --saveDev release-it@${{ matrix.release-it-version }}
-    - run: npm run lint:js
     - run: npm test

index.js

@@ -1,16 +1,22 @@
-'use strict';
-
-const { EOL } = require('os');
-const fs = require('fs');
-const which = require('which');
-const { Plugin } = require('release-it');
-const { format } = require('release-it/lib/util');
-const tmp = require('tmp');
-const execa = require('execa');
-const parse = require('mdast-util-from-markdown');
-
-require('validate-peer-dependencies')(__dirname);
-
+import { fileURLToPath } from 'node:url';
+import { dirname } from 'node:path';
+import { createRequire } from 'node:module';
+import { EOL } from 'node:os';
+import fs from 'node:fs';
+import which from 'which';
+import { Plugin } from 'release-it';
+import { format } from 'release-it/lib/util.js';
+import tmp from 'tmp';
+import execa from 'execa';
+import parse from 'mdast-util-from-markdown';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+import validatePeerDependencies from 'validate-peer-dependencies';
+validatePeerDependencies(__dirname);
+
+const require = createRequire(import.meta.url);
 const LERNA_PATH = require.resolve('lerna-changelog/bin/cli');
 
 // using a const here, because we may need to change this value in the future
@@ -23,7 +29,7 @@ function getToday() {
   return date.slice(0, date.indexOf('T'));
 }
 
-module.exports = class LernaChangelogGeneratorPlugin extends Plugin {
+export default class LernaChangelogGeneratorPlugin extends Plugin {
   async init() {
     let from = (await this.getTagForHEAD()) || (await this.getFirstCommit());
     this.changelog = await this._execLernaChangelog(from);
@@ -202,4 +208,4 @@ module.exports = class LernaChangelogGeneratorPlugin extends Plugin {
       await this.writeChangelog(processedChangelog);
     }
   }
-};
+}

package.json

@@ -24,6 +24,7 @@
   "ava": {
     "serial": true
   },
+  "type": "module",
   "dependencies": {
     "execa": "^4.1.0",
     "lerna-changelog": "^2.2.0",
@@ -35,18 +36,18 @@
   "devDependencies": {
     "ava": "^3.15.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^6.15.0",
+    "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^3.4.0",
-    "prettier": "^2.2.1",
+    "eslint-plugin-prettier": "^4.0.0",
+    "prettier": "^2.4.1",
     "release-it": "^14.10.1",
     "sinon": "^9.2.4"
   },
   "peerDependencies": {
     "release-it": "^14.0.0"
   },
   "engines": {
-    "node": "12.* || 14.* || >= 16"
+    "node": "^12.20.0 || ^14.13.1 || >= 16"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"

test.js

@@ -1,16 +1,18 @@
-'use strict';
+import fs from 'node:fs';
+import path from 'node:path';
+import { createRequire } from 'node:module';
+import tmp from 'tmp';
+import test from 'ava';
+import { factory, runTasks } from 'release-it/test/util/index.js';
+import Plugin from './index.js';
 
-const fs = require('fs');
-const path = require('path');
-const tmp = require('tmp');
-const test = require('ava');
-const { factory, runTasks } = require('release-it/test/util');
-const Plugin = require('./index');
 const EDITOR = process.env.EDITOR || null;
 const PATH = process.env.PATH;
 
 tmp.setGracefulCleanup();
 
+const require = createRequire(import.meta.url);
+
 const LERNA_PATH = require.resolve('lerna-changelog/bin/cli');
 const namespace = 'release-it-lerna-changelog';