es6

package.json

@@ -4,7 +4,7 @@
   "description": "A collection of snippets for creative coding",
   "main": "utils.js",
   "scripts": {
-    "rollup": "rollup --config src/rollup.config.js",
+    "rollup": "rollup --config src/rollup.config.mjs",
     "docs": "jsdoc2md --template src/README.hbs --files src/utils.js --separators --param-list-format list --property-list-format list --helper src/year.js> README.md",
     "build": "npm run rollup && npm run docs",
     "pretest": "npm run build",
@@ -15,8 +15,7 @@
     "node": ">=16.0.0 <20.0.0"
   },
   "files": [
-    "utils.js",
-    "README.md"
+    "utils.js"
   ],
   "banner": "'/*!*/'",
   "homepage": "https://github.com/panGenerator/utils#readme",
@@ -33,6 +32,7 @@
   },
   "license": "MIT",
   "devDependencies": {
+    "@rollup/plugin-terser": "^0.4.3",
     "eslint": "^7.0.0",
     "eslint-config-standard": "^14.1.1",
     "eslint-plugin-import": "^2.20.2",
@@ -42,7 +42,6 @@
     "eslint-plugin-standard": "^4.0.1",
     "jsdoc-to-markdown": "^6.0.1",
     "mocha": "^7.1.2",
-    "rollup": "^2.26.11",
-    "rollup-plugin-terser": "^7.0.2"
+    "rollup": "^3.25.1"
   }
 }

src/banner.js → src/banner.mjs

@@ -1,7 +1,8 @@
-const pkg = require('../package.json')
+//const pkg = require('../package.json')
+import pkg from '../package.json' assert { type: 'json' };
 const year = new Date().getFullYear()
 
-module.exports = (pluginFilename) => {
+export default (pluginFilename) => {
   return `/*!
  * @license ${pkg.name} v${pkg.version}, Copyright © ${year} ${pkg.author}
  * Released under ${pkg.license} license

src/rollup.config.js → src/rollup.config.mjs

@@ -1,7 +1,7 @@
-const { terser } = require('rollup-plugin-terser')
-const banner = require('./banner.js')
+import terser from '@rollup/plugin-terser'
+import banner from './banner.mjs'
 
-module.exports = {
+export default {
   input: 'src/main.js',
   output: {
     banner,
@@ -10,4 +10,4 @@ module.exports = {
     format: 'umd'
   },
   plugins: [terser()]
-}
+}