Require Node.js 14, move to ESM, and support modern JS syntax

Fixes #28

Author: sindresorhus

.github/workflows/main.yml

@@ -10,11 +10,12 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 18
+          - 16
           - 14
-          - 12
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

index.js

@@ -1,27 +1,26 @@
-'use strict';
-const through = require('through2');
-const stripDebug = require('strip-debug');
-const PluginError = require('plugin-error');
+import {Buffer} from 'node:buffer';
+import transformStream from 'easy-transform-stream';
+import PluginError from 'plugin-error';
+import {transformAsync} from '@babel/core';
+import stripDebug from 'strip-debug';
 
-module.exports = () => {
-	return through.obj(function (file, encoding, callback) {
+export default function gulpStripDebug() {
+	return transformStream({objectMode: true}, async file => {
 		if (file.isNull()) {
-			callback(null, file);
-			return;
+			return file;
 		}
 
 		if (file.isStream()) {
-			callback(new PluginError('gulp-strip-debug', 'Streaming not supported'));
-			return;
+			throw new PluginError('gulp-strip-debug', 'Streaming not supported');
 		}
 
 		try {
-			file.contents = Buffer.from(stripDebug(file.contents.toString()).toString());
-			this.push(file);
+			const {code} = await transformAsync(file.contents.toString(), {plugins: [stripDebug]});
+			file.contents = Buffer.from(code);
 		} catch (error) {
-			this.emit('error', new PluginError('gulp-strip-debug', error, {fileName: file.path}));
+			throw new PluginError('gulp-strip-debug', error, {fileName: file.path});
 		}
 
-		callback();
+		return file;
 	});
-};
+}

package.json

@@ -10,8 +10,10 @@
 		"email": "[email protected]",
 		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=12"
+		"node": ">=14.16"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -37,15 +39,16 @@
 		"esprima"
 	],
 	"dependencies": {
-		"plugin-error": "^1.0.1",
-		"strip-debug": "^5.0.0",
-		"through2": "^4.0.2"
+		"@babel/core": "^7.20.5",
+		"easy-transform-stream": "^1.0.0",
+		"plugin-error": "^2.0.0",
+		"strip-debug": "^7.0.0"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"p-event": "^4.2.0",
-		"vinyl": "^2.2.1",
-		"xo": "^0.38.2"
+		"ava": "^5.1.0",
+		"p-event": "^5.0.1",
+		"vinyl": "^3.0.0",
+		"xo": "^0.53.1"
 	},
 	"peerDependencies": {
 		"gulp": ">=4"

readme.md

@@ -4,17 +4,17 @@
 
 ## Install
 
-```
-$ npm install --save-dev gulp-strip-debug
+```sh
+npm install --save-dev gulp-strip-debug
 ```
 
 ## Usage
 
 ```js
-const gulp = require('gulp');
-const stripDebug = require('gulp-strip-debug');
+import gulp from 'gulp';
+import stripDebug from'gulp-strip-debug';
 
-exports.default = () => (
+export default () => (
 	gulp.src('src/app.js')
 		.pipe(stripDebug())
 		.pipe(gulp.dest('dist'))

test.js

@@ -1,28 +1,29 @@
+import {Buffer} from 'node:buffer';
 import test from 'ava';
 import Vinyl from 'vinyl';
-import pEvent from 'p-event';
+import {pEvent} from 'p-event';
 import stripDebug from './index.js';
 
 test('strips debugging statements', async t => {
 	const stream = stripDebug();
 	const promise = pEvent(stream, 'data');
 
 	stream.end(new Vinyl({
-		contents: Buffer.from('function test(){debugger;}')
+		contents: Buffer.from('function test(){const x = a ?? b; debugger;}'),
 	}));
 
 	const file = await promise;
-	t.is(file.contents.toString(), 'function test(){}');
+	t.is(file.contents.toString(), 'function test() {\n  const x = a ?? b;\n}');
 });
 
 test('strips `console.log()` statements', async t => {
 	const stream = stripDebug();
 	const promise = pEvent(stream, 'data');
 
 	stream.end(new Vinyl({
-		contents: Buffer.from('function test(){console.log(...colors);}')
+		contents: Buffer.from('function test(){console.log(...colors);}'),
 	}));
 
 	const file = await promise;
-	t.is(file.contents.toString(), 'function test(){void 0;}');
+	t.is(file.contents.toString(), 'function test() {\n  void 0;\n}');
 });