refactor!: migrate to ESM

BREAKING CHANGE: the package is now pure ESM

Author: sheerlox

.eslintrc.js renamed to .eslintrc.cjs

@@ -2,13 +2,14 @@ module.exports = {
   root: true,
   parserOptions: {
     ecmaVersion: 'latest',
+    sourceType: 'module',
   },
   env: {
     node: true,
     es6: true,
   },
   extends: ['eslint:recommended', 'plugin:prettier/recommended'],
-  ignorePatterns: ['coverage', '.eslintrc.js'],
+  ignorePatterns: ['coverage', '.eslintrc.cjs'],
   overrides: [
     {
       files: ['**/*.test.js'],

index.js

@@ -1,5 +1,7 @@
-module.exports = {
-  parserPreset: require('@insurgent/conventional-changelog-preset'),
+import createPreset from '@insurgent/conventional-changelog-preset';
+
+const commitLintConfig = {
+  parserPreset: createPreset,
   rules: {
     'body-leading-blank': [1, 'always'],
     'body-max-line-length': [2, 'always', 100],
@@ -135,3 +137,8 @@ module.exports = {
     },
   },
 };
+
+export default commitLintConfig;
+
+export const parserPreset = commitLintConfig.parserPreset;
+export const rules = commitLintConfig.rules;

index.test.js

@@ -1,10 +1,10 @@
-const lint = require('@commitlint/lint').default;
-const { parserPreset, rules } = require('.');
+import lint from '@commitlint/lint';
+import { parserPreset, rules } from './index.js';
 const types = rules['type-enum'][2];
 
 const commitLint = async (message) => {
   const preset = await parserPreset();
-  return lint(message, rules, { ...preset });
+  return lint.default(message, rules, { ...preset });
 };
 
 const messages = {