Require Node.js 18 and move to ESM

Author: sindresorhus

.gitattributes

@@ -1,2 +1 @@
-* text=auto
-*.js text eol=lf
+* text=auto eol=lf

.github/workflows/main.yml

@@ -10,14 +10,11 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
-          - 12
-          - 10
-          - 8
-          - 6
+          - 20
+          - 18
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

fixture/index.js

@@ -1 +1,2 @@
+// eslint-disable-next-line n/prefer-global/process
 console.log(process.env.NODE_ENV);

fixture/webpack.config.js

@@ -1,15 +1,21 @@
-'use strict';
-const assert = require('assert');
-const NodeEnvPlugin = require('..');
+import process from 'node:process';
+import assert from 'node:assert';
+import {fileURLToPath} from 'node:url';
+import path from 'node:path';
+import NodeEnvPlugin from '../index.js';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 assert.strictEqual(process.env.NODE_ENV, 'development');
 
-module.exports = {
+const config = {
 	output: {
-		filename: 'unicorn.js'
+		filename: 'unicorn.js',
 	},
 	entry: __dirname,
 	plugins: [
-		new NodeEnvPlugin()
-	]
+		new NodeEnvPlugin(),
+	],
 };
+
+export default config;

index.js

@@ -1,20 +1,18 @@
-'use strict';
-const webpack = require('webpack');
-const hasFlag = require('has-flag');
+import process from 'node:process';
+import webpack from 'webpack';
+import hasFlag from 'has-flag';
 
-if (!process.env.NODE_ENV) {
-	process.env.NODE_ENV = hasFlag('p') ? 'production' : 'development';
-}
+process.env.NODE_ENV ||= hasFlag('p') ? 'production' : 'development';
 
-module.exports = class NodeEnvPlugin {
+export default class NodeEnvPlugin {
 	apply(compiler) {
-		compiler.apply(new webpack.DefinePlugin({
-			'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV)
-		}));
+		new webpack.DefinePlugin({
+			'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
+		}).apply(compiler);
 	}
-};
+}
 
-module.exports.isProduction = process.env.NODE_ENV === 'production';
-module.exports.isDevelopment = process.env.NODE_ENV === 'development';
-module.exports.isTest = process.env.NODE_ENV === 'test';
-module.exports.devtool = module.exports.isProduction ? 'source-map' : 'cheap-module-source-map';
+export const isProduction = process.env.NODE_ENV === 'production';
+export const isDevelopment = process.env.NODE_ENV === 'development';
+export const isTest = process.env.NODE_ENV === 'test';
+export const devtool = isProduction ? 'source-map' : 'cheap-module-source-map';

license

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

package.json

@@ -1,41 +1,45 @@
 {
-  "name": "node-env-webpack-plugin",
-  "version": "1.1.0",
-  "description": "Simplified `NODE_ENV` handling with webpack",
-  "license": "MIT",
-  "repository": "sindresorhus/node-env-webpack-plugin",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=6"
-  },
-  "scripts": {
-    "test": "xo && ava"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "webpack-plugin",
-    "webpack",
-    "node",
-    "node-env",
-    "env",
-    "environment",
-    "development",
-    "production"
-  ],
-  "dependencies": {
-    "has-flag": "^3.0.0"
-  },
-  "devDependencies": {
-    "ava": "*",
-    "pify": "^3.0.0",
-    "tempy": "^0.2.1",
-    "webpack": "^3.10.0",
-    "xo": "*"
-  }
+	"name": "node-env-webpack-plugin",
+	"version": "1.1.0",
+	"description": "Simplified `NODE_ENV` handling with webpack",
+	"license": "MIT",
+	"repository": "sindresorhus/node-env-webpack-plugin",
+	"funding": "https://github.com/sponsors/sindresorhus",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "https://sindresorhus.com"
+	},
+	"type": "module",
+	"exports": "./index.js",
+	"sideEffects": false,
+	"engines": {
+		"node": ">=18"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"webpack-plugin",
+		"webpack",
+		"node",
+		"node-env",
+		"env",
+		"environment",
+		"development",
+		"production"
+	],
+	"dependencies": {
+		"has-flag": "^5.0.1"
+	},
+	"devDependencies": {
+		"ava": "^6.1.2",
+		"pify": "^6.1.0",
+		"tempy": "^3.1.0",
+		"webpack": "^5.91.0",
+		"xo": "^0.58.0"
+	}
 }

readme.md

@@ -2,20 +2,17 @@
 
 > Simplified `NODE_ENV` handling with [webpack](https://webpack.js.org)
 
-
 ## Install
 
-```
-$ npm install node-env-webpack-plugin
+```sh
+npm install node-env-webpack-plugin
 ```
 
-
 ## Usage
 
 ```diff
-  'use strict';
-  const path = require('path');
-+ const NodeEnvPlugin = require('node-env-webpack-plugin');
+  import path from 'node:path';
++ import NodeEnvPlugin from 'node-env-webpack-plugin';
 
 - const NODE_ENV = process.env.NODE_ENV || 'development';
 - const isProduction = NODE_ENV === 'production';
@@ -46,7 +43,6 @@ $ npm install node-env-webpack-plugin
   };
 ```
 
-
 ## API
 
 Sets `process.env.NODE_ENV` in the Node.js process to `development` at import-time if it's not defined, or `production` if webpack is run with `webpack -p`.
@@ -73,13 +69,6 @@ For convenience and to prevent typos.
 
 Pass this to the webpack `devtool` option. It will give you good but slow source maps in production (`source-map`) and fast source maps in development (`cheap-module-source-map`).
 
-
 ## Related
 
 - [add-asset-webpack-plugin](https://github.com/sindresorhus/add-asset-webpack-plugin) - Dynamically add an asset to the webpack graph
-- [add-module-exports-webpack-plugin](https://github.com/sindresorhus/add-module-exports-webpack-plugin) - Add `module.exports` for Babel and TypeScript compiled code
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

@@ -1,15 +1,16 @@
-import fs from 'fs';
-import path from 'path';
+import process from 'node:process';
+import fs from 'node:fs';
+import path from 'node:path';
 import test from 'ava';
 import webpack from 'webpack';
-import tempy from 'tempy';
+import {temporaryDirectory} from 'tempy';
 import pify from 'pify';
 
 delete process.env.NODE_ENV;
 
-test(async t => {
-	const config = require('./fixture/webpack.config');
-	const cwd = tempy.directory();
+test('main', async t => {
+	const {default: config} = await import('./fixture/webpack.config.js');
+	const cwd = temporaryDirectory();
 	config.output.path = cwd;
 	await pify(webpack)(config);
 	t.regex(fs.readFileSync(path.join(cwd, 'unicorn.js'), 'utf8'), /development/);