Drop dependency on deprecated gulp-util (#73)

index.js

@@ -1,7 +1,8 @@
 'use strict';
 const fs = require('fs');
 const path = require('path');
-const gutil = require('gulp-util');
+const replaceExt = require('replace-ext');
+const PluginError = require('plugin-error');
 const through = require('through2');
 const pify = require('pify');
 
@@ -11,7 +12,7 @@ const stat = pify(fs.stat);
 // Ignore missing file error
 function fsOperationFailed(stream, sourceFile, err) {
 	if (err.code !== 'ENOENT') {
-		stream.emit('error', new gutil.PluginError('gulp-changed', err, {
+		stream.emit('error', new PluginError('gulp-changed', err, {
 			fileName: sourceFile.path
 		}));
 	}
@@ -46,26 +47,26 @@ module.exports = (dest, opts) => {
 	}, opts);
 
 	if (!dest) {
-		throw new gutil.PluginError('gulp-changed', '`dest` required');
+		throw new PluginError('gulp-changed', '`dest` required');
 	}
 
 	if (opts.transformPath !== undefined && typeof opts.transformPath !== 'function') {
-		throw new gutil.PluginError('gulp-changed', '`opts.transformPath` needs to be a function');
+		throw new PluginError('gulp-changed', '`opts.transformPath` needs to be a function');
 	}
 
 	return through.obj(function (file, enc, cb) {
 		const dest2 = typeof dest === 'function' ? dest(file) : dest;
 		let newPath = path.resolve(opts.cwd, dest2, file.relative);
 
 		if (opts.extension) {
-			newPath = gutil.replaceExtension(newPath, opts.extension);
+			newPath = replaceExt(newPath, opts.extension);
 		}
 
 		if (opts.transformPath) {
 			newPath = opts.transformPath(newPath);
 
 			if (typeof newPath !== 'string') {
-				throw new gutil.PluginError('gulp-changed', '`opts.transformPath` needs to return a string');
+				throw new PluginError('gulp-changed', '`opts.transformPath` needs to return a string');
 			}
 		}
 

package.json

@@ -49,9 +49,10 @@
 		"passthrough"
 	],
 	"dependencies": {
-		"gulp-util": "^3.0.0",
 		"make-dir": "^1.1.0",
 		"pify": "^3.0.0",
+		"plugin-error": "^0.1.2",
+		"replace-ext": "^1.0.0",
 		"through2": "^2.0.0",
 		"touch": "^3.1.0"
 	},
@@ -62,6 +63,7 @@
 		"figures": "^2.0.0",
 		"get-stream": "^3.0.0",
 		"gulp": "^3.0.0",
+		"vinyl": "^2.1.0",
 		"xo": "*"
 	}
 }

test.js

@@ -4,7 +4,7 @@ import touch from 'touch';
 import makeDir from 'make-dir';
 import test from 'ava';
 import gulp from 'gulp';
-import gutil from 'gulp-util';
+import Vinyl from 'vinyl';
 import del from 'del';
 import getStream from 'get-stream';
 import figures from 'figures';
@@ -39,7 +39,7 @@ const macro = (t, opts) => {
 			return resolve();
 		});
 
-		stream.write(new gutil.File({
+		stream.write(new Vinyl({
 			cwd: __dirname,
 			base: __dirname,
 			path: 'foo.js',
@@ -49,7 +49,7 @@ const macro = (t, opts) => {
 			}
 		}));
 
-		stream.write(new gutil.File({
+		stream.write(new Vinyl({
 			base: __dirname,
 			path: 'bar.js',
 			contents: Buffer.from(''),