remove scripts section of package.json during a build (#135)

build-update-package.js

@@ -0,0 +1,5 @@
+// remove scripts from package.json
+const fs = require('fs');
+var json = require('./package.json');
+json.scripts = undefined;
+fs.writeFileSync("./package.json", JSON.stringify(json, undefined, 2));

build.ps1

@@ -37,5 +37,8 @@ yarn global add babel-cli
 babel --plugins shebang $js -o $js
 
 # yarn pack is packing too many files
+if ($env:appveyor){
+    node build-update-package.js
+}
 npm pack
 tar tf ts2fable-$v.tgz

package.json

@@ -13,7 +13,7 @@
     "build": "fable-splitter -c splitter.config.js",
     "watch": "fable-splitter -c splitter.config.js -w",
     "test": "fable-splitter -c splitter.test.config.js",
-    "postinstall": "cross-env npm_package_engines_vscode=1.8.1 node ./node_modules/vscode/bin/install"
+    "postinstall": "node ./node_modules/vscode/bin/install"
   },
   "repository": {
     "type": "git",
@@ -57,5 +57,8 @@
     "mocha": "^4.0.1",
     "mocha-appveyor-reporter": "^0.4.0",
     "vscode": "^1.1.8"
+  },
+  "engines": {
+    "vscode": "^1.18.1"
   }
 }