[v5]Use ES2015 template strings instead of string concatenation.

.eslintrc.json

@@ -4,6 +4,9 @@
   },
   "globals": {},
   "extends": "eslint:recommended",
+  "parserOptions": {
+    "ecmaVersion": 2015
+  },
   "rules": {
     "no-bitwise": 2,
     "camelcase": 0,
@@ -41,6 +44,8 @@
     "no-extra-semi": 2,
     "no-redeclare": 2,
     "block-scoped-var": 2,
-    "no-console": 0
+    "no-console": 0,
+    "no-useless-concat": 2,
+    "prefer-template": 2
   }
 }

.travis.yml

@@ -10,24 +10,15 @@ env:
 jobs:
   include:
     - stage: test
-      node_js: "node"
+      node_js: "10"
       os: linux
       before_script: npm run lint || exit 1;
       after_success: npm run-script coverage;
     - stage: platform-test
-      node_js: "node"
-      os: osx
-    - stage: platform-test
-      node_js: "9"
-      os: linux
-    - stage: platform-test
-      node_js: "9"
-      os: osx
-    - stage: platform-test
-      node_js: "7"
+      node_js: "lts/boron"
       os: linux
     - stage: platform-test
-      node_js: "7"
+      node_js: "lts/boron"
       os: osx
     - stage: platform-test
       node_js: "lts/carbon"
@@ -36,23 +27,14 @@ jobs:
       node_js: "lts/carbon"
       os: osx
     - stage: platform-test
-      node_js: "lts/boron"
+      node_js: "9"
       os: linux
     - stage: platform-test
-      node_js: "lts/boron"
+      node_js: "9"
       os: osx
     - stage: platform-test
-      node_js: "lts/argon"
-      os: linux
-    - stage: platform-test
-      node_js: "lts/argon"
+      node_js: "10"
       os: osx
-    - stage: platform-test
-      node_js: "0.12"
-      os: linux
-    - stage: platform-test
-      node_js: "0.10"
-      os: linux
 
 addons:
   apt:

appveyor.yml

@@ -34,33 +34,9 @@
   environment:
     SKIP_SASS_BINARY_DOWNLOAD_FOR_CI: true
     matrix:
-      - nodejs_version: 0.10
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 0.12
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 1
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 2
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 3
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 4
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 5
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
       - nodejs_version: 6
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 7
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 8
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
@@ -136,21 +112,9 @@
   environment:
     SKIP_SASS_BINARY_DOWNLOAD_FOR_CI: true
     matrix:
-      - nodejs_version: 0.10
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 0.12
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
-      - nodejs_version: 4
-        GYP_MSVS_VERSION: 2013
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
       - nodejs_version: 6
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 7
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 8
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015