Use ESM

.gitignore

@@ -1,6 +1,5 @@
-.DS_Store
-*.log
 coverage/
-dist/
 node_modules/
+.DS_Store
+*.log
 yarn.lock

.prettierignore

@@ -1,3 +1,2 @@
 coverage/
-dist/
 *.md

src/index.js → index.js

@@ -2,12 +2,13 @@ let warningIssued
 
 const defaults = {2: {before: 2}}
 
-export default function (options) {
+export default function remarkHeadingGap(options) {
  const data = this.data()
  const gaps = {...defaults, ...options}
  const headingGap = {join: [betweenHeading]}
 
- /* istanbul ignore next - old remark. */
+ // Old remark.
+ /* c8 ignore next 11 */
  if (
  !warningIssued &&
  this.Compiler &&
@@ -20,7 +21,8 @@ export default function (options) {
  )
  }
 
- /* istanbul ignore next - other extensions */
+ // Other extensions
+ /* c8 ignore next */
  if (!data.toMarkdownExtensions) data.toMarkdownExtensions = []
 
  data.toMarkdownExtensions.push(headingGap)

package.json

@@ -27,18 +27,13 @@
  "Ben Briggs <beneb.info@gmail.com> (http://beneb.info)",
  "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
  ],
- "main": "dist/index.js",
- "module": "src/index.js",
+ "sideEffects": false,
+ "type": "module",
+ "main": "index.js",
  "files": [
- "dist",
- "src/index.js"
+ "index.js"
  ],
  "devDependencies": {
- "@babel/cli": "^7.0.0",
- "@babel/core": "^7.0.0",
- "@babel/preset-env": "^7.0.0",
- "@babel/register": "^7.0.0",
- "babel-plugin-add-module-exports": "^1.0.0",
  "c8": "^7.0.0",
  "prettier": "^2.0.0",
  "remark": "^13.0.0",
@@ -48,21 +43,10 @@
  "xo": "^0.37.0"
  },
  "scripts": {
- "prepublishOnly": "npm run compile",
  "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
- "compile": "babel src --out-dir dist --ignore src/**/__tests__",
  "test-api": "node --conditions development test/index.js",
  "test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov npm run test-api",
- "test": "npm run compile && npm run format && npm run test-coverage"
- },
- "browserslist": "> 2.5%, node 6",
- "babel": {
- "presets": [
- "@babel/preset-env"
- ],
- "plugins": [
- "add-module-exports"
- ]
+ "test": "npm run format && npm run test-coverage"
  },
  "prettier": {
  "tabWidth": 2,
@@ -73,10 +57,7 @@
  "trailingComma": "none"
  },
  "xo": {
- "prettier": true,
- "rules": {
- "import/no-anonymous-default-export": "off"
- }
+ "prettier": true
  },
  "#": "this plugin is currently not turned on while remark is updating",
  "remarkConfig": {

test/index.js

@@ -1,10 +1,10 @@
-const fs = require('fs')
-const path = require('path')
-const test = require('tape')
-const remark = require('remark')
-const plugin = require('../dist/index.js')
+import fs from 'fs'
+import path from 'path'
+import test from 'tape'
+import remark from 'remark'
+import plugin from '../index.js'
 
-const base = path.join(__dirname, 'fixtures')
+const base = path.join('test', 'fixtures')
 
 const specs = {}