Drop dependency on deprecated gulp-util

.gitignore

@@ -13,3 +13,7 @@ results
 
 npm-debug.log
 node_modules
+yarn.lock
+package-lock.json
+
+.idea

.travis.yml

@@ -1,6 +1,7 @@
 language: node_js
 node_js:
-  - "0.10"
-  - node
-  - iojs
+  - "lts/argon"
+  - "lts/boron"
+  - "lts/carbon"
+  - "node"
 sudo: false

CHANGELOG.md

@@ -1,5 +1,30 @@
 # Gulp Sass Changelog
 
+## v4.0.0
+**Upcoming**
+
+* **Breaking change** Drop support for Node for versions that reached end of life (`< 4`).
+
+## v3.1.0
+**January 9, 2017**
+
+* **Change** ⬆️ Bump to Node Sass 4.2.0
+
+## v3.0.0
+**December 10, 2016**
+
+* **Breaking change** ⬆️ Bump to Node Sass 4.0.0
+
+## v2.3.2
+**June 15, 2016**
+
+* **Fix** Prevent options from leaking between compilations
+* **Chore** Update dependencies
+
+## v2.1.0 to v2.3.1
+
+(missing, please open a PR if you wish to fill the gap)
+
 ## v2.1.0-beta
 **September 21, 2015**
 

index.js

@@ -1,6 +1,9 @@
 'use strict';
 
-var gutil = require('gulp-util');
+var chalk = require('chalk');
+var PluginError = require('plugin-error');
+var replaceExtension = require('replace-ext');
+var stripAnsi = require('strip-ansi');
 var through = require('through2');
 var clonedeep = require('lodash.clonedeep');
 var path = require('path');
@@ -23,13 +26,13 @@ var gulpSass = function gulpSass(options, sync) {
       return cb(null, file);
     }
     if (file.isStream()) {
-      return cb(new gutil.PluginError(PLUGIN_NAME, 'Streaming not supported'));
+      return cb(new PluginError(PLUGIN_NAME, 'Streaming not supported'));
     }
     if (path.basename(file.path).indexOf('_') === 0) {
       return cb();
     }
     if (!file.contents.length) {
-      file.path = gutil.replaceExtension(file.path, '.css');
+      file.path = replaceExtension(file.path, '.css');
       return cb(null, file);
     }
 
@@ -100,13 +103,13 @@ var gulpSass = function gulpSass(options, sync) {
         });
 
         // Replace the map file with the original file name (but new extension)
-        sassMap.file = gutil.replaceExtension(sassFileSrc, '.css');
+        sassMap.file = replaceExtension(sassFileSrc, '.css');
         // Apply the map
         applySourceMap(file, sassMap);
       }
 
       file.contents = sassObj.css;
-      file.path = gutil.replaceExtension(file.path, '.css');
+      file.path = replaceExtension(file.path, '.css');
 
       cb(null, file);
     };
@@ -122,16 +125,16 @@ var gulpSass = function gulpSass(options, sync) {
       filePath = filePath ? filePath : file.path;
       relativePath = path.relative(process.cwd(), filePath);
 
-      message += gutil.colors.underline(relativePath) + '\n';
+      message += chalk.underline(relativePath) + '\n';
       message += error.formatted;
 
       error.messageFormatted = message;
       error.messageOriginal = error.message;
-      error.message = gutil.colors.stripColor(message);
+      error.message = stripAnsi(message);
 
       error.relativePath = relativePath;
 
-      return cb(new gutil.PluginError(
+      return cb(new PluginError(
           PLUGIN_NAME, error
         ));
     };
@@ -176,7 +179,7 @@ gulpSass.sync = function sync(options) {
 // Log errors nicely
 //////////////////////////////
 gulpSass.logError = function logError(error) {
-  var message = new gutil.PluginError('sass', error.messageFormatted).toString();
+  var message = new PluginError('sass', error.messageFormatted).toString();
   process.stderr.write(message + '\n');
   this.emit('end');
 };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gulp-sass",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "Gulp plugin for sass",
   "main": "index.js",
   "scripts": {
@@ -20,10 +20,16 @@
   "bugs": {
     "url": "https://github.com/dlmanning/gulp-sass/issues"
   },
+  "engines": {
+    "node": ">=4.0.0"
+  },
   "dependencies": {
-    "gulp-util": "^3.0",
+    "chalk": "^2.3.0",
     "lodash.clonedeep": "^4.3.2",
     "node-sass": "^4.2.0",
+    "plugin-error": "^0.1.2",
+    "replace-ext": "^1.0.0",
+    "strip-ansi": "^4.0.0",
     "through2": "^2.0.0",
     "vinyl-sourcemaps-apply": "^0.2.0"
   },
@@ -37,6 +43,7 @@
     "gulp-tap": "^0.1.3",
     "mocha": "^2.2.1",
     "rimraf": "^2.4.3",
-    "should": "^8.3.1"
+    "should": "^8.3.1",
+    "vinyl": "^2.1.0"
   }
 }

test/main.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var should = require('should');
-var gutil = require('gulp-util');
+var Vinyl = require('vinyl');
 var path = require('path');
 var fs = require('fs');
 var sass = require('../index');
@@ -17,7 +17,7 @@ var createVinyl = function createVinyl(filename, contents) {
   var base = path.join(__dirname, 'scss');
   var filePath = path.join(base, filename);
 
-  return new gutil.File({
+  return new Vinyl({
     'cwd': __dirname,
     'base': base,
     'path': filePath,