New: Add node 9 support and missing env variable on build

README.md

@@ -102,7 +102,9 @@ You can also download the [protocol.json][protocol].
 To build this project you will need [VS2017 Community][vs2017]. Make
 sure to select the Windows 10 14393 SDK in the options.
 
-Then run the following commands:
+You will also need to install the [windows-build-tools][windows-build-tools].
+
+Once you have the previous dependencies, run the following commands:
 
 ```bash
 
@@ -133,3 +135,4 @@ any additional questions or comments.
 [releases]: https://github.com/Microsoft/EdgeDiagnosticsAdapter/releases
 [testsigning]: https://msdn.microsoft.com/en-us/windows/hardware/drivers/install/the-testsigning-boot-configuration-option
 [vs2017]: https://www.visualstudio.com/thank-you-downloading-visual-studio/?sku=Community&rel=15
+[windows-build-tools]: https://npmjs.com/package/windows-build-tools

appveyor.yml

@@ -1,9 +1,11 @@
 environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      nodejs_version: Stable
+      nodejs_version: 6
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       nodejs_version: LTS
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      nodejs_version: Stable
 matrix:
   fast_finish: true
 

package.json

@@ -58,7 +58,7 @@
   ],
   "scripts": {
     "copy:static": "cpx \"./src/**/{!(*.ts),.!(ts)}\" out/src",
-    "build": "npm run clean && npm run lint && npm run build:ts && npm run copy:static && npm run build:native",
+    "build": "npm run clean && npm run lint && npm run build:ts && npm run copy:static && prebuild.cmd && npm run build:native",
     "build:native": "npm config set msvs_version 2015 && gulp buildnative",
     "build:ts": "tsc",
     "clean": "rimraf out",

prebuild.cmd

@@ -1,4 +1,4 @@
-REM If you have installed vs2017 enterprise edition:
-REM set VCTargetsPath=C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\VC\VCTargets
-set VCTargetsPath=C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\v140
+@echo off
+
+IF DEFINED VCTargetsPath (ECHO VCTargetsPath is already defined) ELSE (set VCTargetsPath="C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\v140")
 set GYP_MSVS_VERSION=2015