Provides dual ESM/CJS bundle

.eslintignore

@@ -0,0 +1 @@
+lib

.eslintrc.yml

@@ -3,8 +3,19 @@ env:
   es6: true
 extends:
   - 'eslint:recommended'
+  - 'plugin:node/recommended'
+  - 'plugin:import/recommended'
   - 'prettier'
 parserOptions:
-  ecmaVersion: 2017
+  ecmaVersion: 2020
 rules:
-  prefer-const: 2
+  no-console: error
+  prefer-const: error
+  no-var: error
+  no-use-before-define: error
+  no-await-in-loop: error
+  node/exports-style: [0, error]
+  import/first: error
+  import/no-anonymous-default-export: error
+  import/no-unassigned-import: error
+  import/no-internal-modules: error

.gitignore

@@ -5,4 +5,5 @@ npm-debug.log*
 .nyc_output
 coverage.info
 test/fixtures/*/build
-node_modules
+node_modules
+lib/index.*js

README.md

@@ -36,9 +36,12 @@ yarn add @metalsmith/collections
 Pass options to `@metalsmith/collections` in the plugin chain:
 
 ```js
-const Metalsmith = require('metalsmith')
-const markdown = require('@metalsmith/markdown')
-const collections = require('@metalsmith/collections')
+import Metalsmith from 'metalsmith'
+import markdown from '@metalsmith/markdown'
+import collections from '@metalsmith/collections'
+import { dirname } from 'path'
+
+const __dirname = dirname(new URL(import.meta.url).pathname)
 
 // defaults, only create collections based on file metadata
 Metalsmith(__dirname)