Require Node.js 8

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
+  - '12'
   - '10'
   - '8'
-  - '6'

index.js

@@ -37,43 +37,45 @@ module.exports = (plugins, options) => {
 		plugins = null;
 	}
 
-	options = Object.assign({
+	options = {
 		// TODO: Remove this when Gulp gets a real logger with levels
-		verbose: process.argv.includes('--verbose')
-	}, options);
+		verbose: process.argv.includes('--verbose'),
+		...options
+	};
 
-	const validExts = ['.jpg', '.jpeg', '.png', '.gif', '.svg'];
+	const validExtensions = ['.jpg', '.jpeg', '.png', '.gif', '.svg'];
 
 	let totalBytes = 0;
 	let totalSavedBytes = 0;
 	let totalFiles = 0;
 
 	return through.obj({
 		maxConcurrency: 8
-	}, (file, enc, cb) => {
+	}, (file, encoding, callback) => {
 		if (file.isNull()) {
-			cb(null, file);
+			callback(null, file);
 			return;
 		}
 
 		if (file.isStream()) {
-			cb(new PluginError(PLUGIN_NAME, 'Streaming not supported'));
+			callback(new PluginError(PLUGIN_NAME, 'Streaming not supported'));
 			return;
 		}
 
-		if (!validExts.includes(path.extname(file.path).toLowerCase())) {
+		if (!validExtensions.includes(path.extname(file.path).toLowerCase())) {
 			if (options.verbose) {
 				log(`${PLUGIN_NAME}: Skipping unsupported image ${chalk.blue(file.relative)}`);
 			}
 
-			cb(null, file);
+			callback(null, file);
 			return;
 		}
 
 		const use = plugins || getDefaultPlugins();
 
-		imagemin.buffer(file.contents, {use})
-			.then(data => {
+		(async () => {
+			try {
+				const data = await imagemin.buffer(file.contents, {use});
 				const originalSize = file.contents.length;
 				const optimizedSize = data.length;
 				const saved = originalSize - optimizedSize;
@@ -92,12 +94,12 @@ module.exports = (plugins, options) => {
 				}
 
 				file.contents = data;
-				cb(null, file);
-			})
-			.catch(error => {
-				cb(new PluginError(PLUGIN_NAME, error, {fileName: file.path}));
-			});
-	}, cb => {
+				callback(null, file);
+			} catch (error) {
+				callback(new PluginError(PLUGIN_NAME, error, {fileName: file.path}));
+			}
+		})();
+	}, callback => {
 		const percent = totalBytes > 0 ? (totalSavedBytes / totalBytes) * 100 : 0;
 		let msg = `Minified ${totalFiles} ${plur('image', totalFiles)}`;
 
@@ -106,7 +108,7 @@ module.exports = (plugins, options) => {
 		}
 
 		log(`${PLUGIN_NAME}:`, msg);
-		cb();
+		callback();
 	});
 };
 

package.json

@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -38,18 +38,17 @@
 		"chalk": "^2.4.1",
 		"fancy-log": "^1.3.2",
 		"plugin-error": "^1.0.1",
-		"imagemin": "^6.0.0",
+		"imagemin": "^6.1.0",
 		"plur": "^3.0.1",
 		"pretty-bytes": "^5.1.0",
 		"through2-concurrent": "^2.0.0"
 	},
 	"devDependencies": {
-		"ava": "^0.25.0",
-		"get-stream": "^4.1.0",
-		"imagemin-pngquant": "^6.0.0",
-		"pify": "^4.0.1",
-		"xo": "^0.23.0",
-		"vinyl": "^2.2.0"
+		"ava": "^1.4.1",
+		"get-stream": "^5.1.0",
+		"imagemin-pngquant": "^7.0.0",
+		"vinyl": "^2.2.0",
+		"xo": "^0.24.0"
 	},
 	"optionalDependencies": {
 		"imagemin-gifsicle": "^6.0.1",

readme.md

@@ -4,12 +4,6 @@
 
 *Issues with the output should be reported on the [`imagemin` issue tracker](https://github.com/imagemin/imagemin/issues).*
 
----
-
-<p align="center"><sup>🦄 Support <a href="https://github.com/sindresorhus">my open-source work</a> by buying this awesome video course:</sup><br><b><a href="https://learnnode.com/friend/AWESOME">Learn to build apps and APIs with Node.js</a> by Wes Bos</b><br><sub>Try his free <a href="https://javascript30.com/friend/AWESOME">JavaScript 30</a> course for a taste of what to expect & check out his <a href="https://ES6.io/friend/AWESOME">ES6</a>, <a href="https://ReactForBeginners.com/friend/AWESOME">React</a>, <a href="https://SublimeTextBook.com/friend/AWESOME">Sublime</a> courses.</sub></p>
-
----
-
 
 ## Install
 
@@ -98,7 +92,7 @@ Comes bundled with the following **lossless** optimizers:
 
 These are bundled for convenience and most users will not need anything else.
 
-### imagemin([plugins], [options])
+### imagemin(plugins?, options?)
 
 Unsupported files are ignored.
 
@@ -111,7 +105,7 @@ Default: `[imagemin.gifsicle(), imagemin.jpegtran(), imagemin.optipng(), imagemi
 
 #### options
 
-Type: `Object`
+Type: `object`
 
 ##### verbose
 
@@ -124,8 +118,3 @@ Enabling this will log info on every image passed to `gulp-imagemin`:
 gulp-imagemin: ✔ image1.png (already optimized)
 gulp-imagemin: ✔ image2.png (saved 91 B - 0.4%)
 ```
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

@@ -1,31 +1,31 @@
+import {promisify} from 'util';
 import fs from 'fs';
 import path from 'path';
 import imageminPngquant from 'imagemin-pngquant';
-import pify from 'pify';
 import Vinyl from 'vinyl';
 import getStream from 'get-stream';
 import test from 'ava';
-import m from '.';
+import gulpImagemin from '.';
 
-const fsP = pify(fs);
+const readFile = promisify(fs.readFile);
 
 const createFixture = async (plugins, file = 'fixture.png') => {
-	const buf = await fsP.readFile(path.join(__dirname, file));
-	const stream = m(plugins);
+	const buffer = await readFile(path.join(__dirname, file));
+	const stream = gulpImagemin(plugins);
 
 	stream.end(new Vinyl({
 		path: path.join(__dirname, file),
-		contents: buf
+		contents: buffer
 	}));
 
-	return {buf, stream};
+	return {buffer, stream};
 };
 
 test('minify images', async t => {
-	const {buf, stream} = await createFixture();
+	const {buffer, stream} = await createFixture();
 	const file = await getStream.array(stream);
 
-	t.true(file[0].contents.length < buf.length);
+	t.true(file[0].contents.length < buffer.length);
 });
 
 test('use custom plugins', async t => {
@@ -44,7 +44,7 @@ test('use custom svgo settings', async t => {
 			pretty: true
 		}
 	};
-	const {stream} = await createFixture([m.svgo(svgoOpts)], 'fixture-svg-logo.svg');
+	const {stream} = await createFixture([gulpImagemin.svgo(svgoOpts)], 'fixture-svg-logo.svg');
 	const compareStream = (await createFixture(null, 'fixture-svg-logo.svg')).stream;
 	const file = await getStream.array(stream);
 	const compareFile = await getStream.array(compareStream);
@@ -53,7 +53,7 @@ test('use custom svgo settings', async t => {
 });
 
 test('skip unsupported images', async t => {
-	const stream = m();
+	const stream = gulpImagemin();
 	stream.end(new Vinyl({path: path.join(__dirname, 'fixture.bmp')}));
 	const file = await getStream.array(stream);