Merge pull request #171 from gruntjs/dev

Update all the stuff.

.jshintrc

@@ -3,6 +3,7 @@
   "curly": true,
   "eqeqeq": true,
   "eqnull": true,
+  "esnext": true,
   "immed": true,
   "latedef": true,
   "newcap": true,

.travis.yml

@@ -1,15 +1,11 @@
-sudo: false
 language: node_js
+
 node_js:
-  - "0.10"
-  - "0.12"
-  - "4"
-  - "5"
-  - "iojs"
-before_install:
-  - if [ "$TRAVIS_NODE_VERSION" = "0.10" ]; then npm install -g npm@2; fi
+  - "8"
+  - "10"
+  - "12"
+
 matrix:
   fast_finish: true
-cache:
-  directories:
-    - node_modules
+
+cache: npm

Gruntfile.js

@@ -1,6 +1,6 @@
 /*
  * grunt-contrib-handlebars
- * http://gruntjs.com/
+ * https://gruntjs.com/
  *
  * Copyright (c) 2016 Tim Branyen, contributors
  * Licensed under the MIT license.

appveyor.yml

@@ -1,44 +1,34 @@
-# http://www.appveyor.com/docs/appveyor-yml
-
-clone_depth: 10
+clone_depth: 5
 
 version: "{build}"
 
-# What combinations to test
 environment:
   matrix:
-    - nodejs_version: "0.10"
-      platform: x86
-    - nodejs_version: "0.12"
-      platform: x86
-    - nodejs_version: "4"
-      platform: x64
-    - nodejs_version: "4"
-      platform: x86
-    - nodejs_version: "5"
-      platform: x86
+    - NODEJS_VERSION: "8"
+      PLATFORM: x86
+    - NODEJS_VERSION: "8"
+      PLATFORM: x64
+    - NODEJS_VERSION: "10"
+      PLATFORM: x64
+    - NODEJS_VERSION: "12"
+      PLATFORM: x64
 
 install:
-  - ps: Install-Product node $env:nodejs_version $env:platform
-  - ps: >-
-      if ($env:nodejs_version -eq "0.10") {
-        npm -g install npm@2
-        $env:PATH="$env:APPDATA\npm;$env:PATH"
-      }
-  - npm install
+  - ps: Install-Product node $env:NODEJS_VERSION $env:PLATFORM
+  - npm ci
 
 test_script:
-  # Output useful info for debugging
-  - node --version && npm --version
+  - node --version
+  - npm --version
   # We test multiple Windows shells because of prior stdout buffering issues
   # filed against Grunt. https://github.com/joyent/node/issues/3584
   - ps: "npm test # PowerShell" # Pass comment to PS for easier debugging
-  - cmd: npm test
+  - npm test
 
 build: off
 
 matrix:
   fast_finish: true
 
 cache:
-  - node_modules -> package.json
+  - '%APPDATA%\npm-cache\ -> appveyor.yml,package.json,package-lock.json'