Require Node.js 8 and Gulp 4

Author: sindresorhus

.gitattributes

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

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
+  - '12'
+  - '10'
   - '8'
-  - '6'
-  - '4'

index.js

@@ -7,46 +7,47 @@ const prettyBytes = require('pretty-bytes');
 const StreamCounter = require('stream-counter');
 const gzipSize = require('gzip-size');
 
-module.exports = opts => {
-	opts = Object.assign({
+module.exports = options => {
+	options = {
 		pretty: true,
-		showTotal: true
-	}, opts);
+		showTotal: true,
+		...options
+	};
 
 	let totalSize = 0;
 	let fileCount = 0;
 
 	function log(what, size) {
-		let title = opts.title;
+		let {title} = options;
 		title = title ? chalk.cyan(title) + ' ' : '';
-		size = opts.pretty ? prettyBytes(size) : (size + ' B');
-		fancyLog(title + what + ' ' + chalk.magenta(size) + (opts.gzip ? chalk.gray(' (gzipped)') : ''));
+		size = options.pretty ? prettyBytes(size) : (size + ' B');
+		fancyLog(title + what + ' ' + chalk.magenta(size) + (options.gzip ? chalk.gray(' (gzipped)') : ''));
 	}
 
-	return through.obj((file, enc, cb) => {
+	return through.obj((file, encoding, callback) => {
 		if (file.isNull()) {
-			cb(null, file);
+			callback(null, file);
 			return;
 		}
 
-		const finish = (err, size) => {
-			if (err) {
-				cb(new PluginError('gulp-size', err));
+		const finish = (error, size) => {
+			if (error) {
+				callback(new PluginError('gulp-size', error));
 				return;
 			}
 
 			totalSize += size;
 
-			if (opts.showFiles === true && size > 0) {
+			if (options.showFiles === true && size > 0) {
 				log(chalk.blue(file.relative), size);
 			}
 
 			fileCount++;
-			cb(null, file);
+			callback(null, file);
 		};
 
 		if (file.isStream()) {
-			if (opts.gzip) {
+			if (options.gzip) {
 				file.contents.pipe(gzipSize.stream())
 					.on('error', finish)
 					.on('end', function () {
@@ -63,19 +64,25 @@ module.exports = opts => {
 			return;
 		}
 
-		if (opts.gzip) {
-			gzipSize(file.contents).then(size => finish(null, size)).catch(finish);
+		if (options.gzip) {
+			(async () => {
+				try {
+					finish(null, await gzipSize(file.contents));
+				} catch (error) {
+					finish(error);
+				}
+			})();
 		} else {
 			finish(null, file.contents.length);
 		}
-	}, function (cb) {
+	}, function (callback) {
 		this.size = totalSize;
 		this.prettySize = prettyBytes(totalSize);
 
-		if (!(fileCount === 1 && opts.showFiles) && totalSize > 0 && fileCount > 0 && opts.showTotal) {
+		if (!(fileCount === 1 && options.showFiles) && totalSize > 0 && fileCount > 0 && options.showTotal) {
 			log(chalk.green('all files'), totalSize);
 		}
 
-		cb();
+		callback();
 	});
 };

package.json

@@ -1,52 +1,55 @@
 {
-  "name": "gulp-size",
-  "version": "3.0.0",
-  "description": "Display the size of your project",
-  "license": "MIT",
-  "repository": "sindresorhus/gulp-size",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "[email protected]",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "scripts": {
-    "test": "xo && mocha"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "gulpplugin",
-    "filesize",
-    "file",
-    "size",
-    "log",
-    "measure",
-    "inspect",
-    "debug",
-    "gzip"
-  ],
-  "dependencies": {
-    "chalk": "^2.3.0",
-    "fancy-log": "^1.3.2",
-    "gzip-size": "^4.1.0",
-    "plugin-error": "^0.1.2",
-    "pretty-bytes": "^4.0.2",
-    "stream-counter": "^1.0.0",
-    "through2": "^2.0.0"
-  },
-  "devDependencies": {
-    "mocha": "*",
-    "vinyl": "^2.1.0",
-    "xo": "*"
-  },
-  "xo": {
-    "env": [
-      "node",
-      "mocha"
-    ]
-  }
+	"name": "gulp-size",
+	"version": "3.0.0",
+	"description": "Display the size of your project",
+	"license": "MIT",
+	"repository": "sindresorhus/gulp-size",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "[email protected]",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && mocha"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"gulpplugin",
+		"filesize",
+		"file",
+		"size",
+		"log",
+		"measure",
+		"inspect",
+		"debug",
+		"gzip"
+	],
+	"dependencies": {
+		"chalk": "^2.3.0",
+		"fancy-log": "^1.3.2",
+		"gzip-size": "^5.1.1",
+		"plugin-error": "^1.0.1",
+		"pretty-bytes": "^5.3.0",
+		"stream-counter": "^1.0.0",
+		"through2": "^3.0.1"
+	},
+	"devDependencies": {
+		"mocha": "^6.2.0",
+		"vinyl": "^2.1.0",
+		"xo": "^0.24.0"
+	},
+	"peerDependencies": {
+		"gulp": ">=4"
+	},
+	"xo": {
+		"env": [
+			"node",
+			"mocha"
+		]
+	}
 }

readme.md

@@ -20,7 +20,7 @@ $ npm install --save-dev gulp-size
 const gulp = require('gulp');
 const size = require('gulp-size');
 
-gulp.task('default', () =>
+exports.default = () => (
 	gulp.src('fixture.js')
 		.pipe(size())
 		.pipe(gulp.dest('dist'))
@@ -30,10 +30,12 @@ gulp.task('default', () =>
 
 ## API
 
-### size([options])
+### size(options?)
 
 #### options
 
+Type: `object`
+
 ##### title
 
 Type: `string`<br>
@@ -90,7 +92,7 @@ const gulp = require('gulp');
 const size = require('gulp-size');
 const notify = require('gulp-notify');
 
-gulp.task('default', () => {
+exports.default = () => {
 	const s = size();
 
 	return gulp.src('fixture.js')
@@ -100,10 +102,5 @@ gulp.task('default', () => {
 			onLast: true,
 			message: () => `Total size ${s.prettySize}`
 		}));
-});
+};
 ```
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)