update dependencies, remove gulp-util, as #12

.travis.yml

@@ -1,6 +1,10 @@
 language: node_js
 node_js:
-  - "0.10"
-  - "0.12"
-  - "4.2"
-  - "5"
+  - "4"
+  - "6"
+  - "8"
+  - "9"
+sudo: false
+cache:
+  directories:
+    - node_modules

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2014 teambition
+Copyright (c) 2014-2018 teambition
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

gulpfile.js

@@ -1,8 +1,8 @@
 'use strict'
 
-var gulp = require('gulp')
-var gulpSequence = require('./index')
-var test = require('./test/index')
+const gulp = require('gulp')
+const gulpSequence = require('./index')
+const test = require('./test/index')
 
 test()
 

index.js

@@ -7,40 +7,38 @@
  * Licensed under the MIT license.
  */
 
-var thunk = require('thunks')()
-var gutil = require('gulp-util')
-var packageName = require('./package.json').name
-var slice = Array.prototype.slice
+const thunk = require('thunks').thunk
+const slice = Array.prototype.slice
 
 module.exports = sequence()
 
 function sequence (gulp) {
   function gulpSequence () {
     if (!gulp) gulp = require('gulp')
 
-    var BREAKER = {}
-    var args = slice.call(arguments)
+    const BREAKER = {}
+    const args = slice.call(arguments)
     var done = args[args.length - 1]
 
     if (typeof done === 'function') args.pop()
     else done = null
 
     if (!args.length) {
-      throw new gutil.PluginError(packageName, 'No tasks were provided to gulp-sequence!')
+      throw new Error('No tasks were provided to gulp-sequence!')
     }
 
-    var runSequence = thunk.seq(args.filter(function (taskName) {
+    const runSequence = thunk.seq(args.filter(function (taskName) {
       // filter falsely taskName
       return taskName
     }).map(function (task) {
       return function (callback) {
         if (!Array.isArray(task)) task = [task]
 
         function successListener (e) {
-          var index = task.indexOf(e.task)
+          let index = task.indexOf(e.task)
           if (index < 0) return
           task[index] = BREAKER
-          for (var i = 0; i < task.length; i++) {
+          for (let i = 0; i < task.length; i++) {
             if (task[i] !== BREAKER) return
           }
           removeListener()

package.json

@@ -4,7 +4,7 @@
   "authors": [
     "Yan Qing <admin@zensh.com>"
   ],
-  "version": "0.4.6",
+  "version": "1.0.0",
   "main": "index.js",
   "repository": {
     "type": "git",
@@ -20,12 +20,11 @@
     "flow"
   ],
   "dependencies": {
-    "gulp-util": ">=3.0.0",
-    "thunks": "^4.5.1"
+    "thunks": "^4.9.0"
   },
   "devDependencies": {
     "gulp": "^3.9.1",
-    "standard": "^8.0.0"
+    "standard": "^10.0.3"
   },
   "scripts": {
     "test": "gulp test"

test/index.js

@@ -1,8 +1,8 @@
 'use strict'
 /* global */
 
-var gulp = require('gulp')
-var gulpSequence = require('../index')
+const gulp = require('gulp')
+const gulpSequence = require('../index')
 
 module.exports = function () {
   gulp.task('a', function (cb) {