Fix spawning of simulator and get back prepublish script

Author: rosen-vladimirov

lib/simctl.ts

@@ -115,6 +115,6 @@ export class Simctl implements ISimctl {
 
 	private simctlExec(command: string, args: string[], opts?: any): any {
 		let fullCommand = (["xcrun", "simctl", command].concat(args)).join(" ");
-		return childProcess.execSync(fullCommand, opts);
+		return childProcess.execSync(fullCommand, opts).toString().trim();
 	}
 }

lib/xcode.ts

@@ -1,7 +1,7 @@
 import childProcess = require("./child-process");
 
 export function getPathFromXcodeSelect(): string {
-	return childProcess.execSync("xcode-select", ["-print-path"]);
+	return childProcess.execSync("xcode-select -print-path").toString().trim();
 }
 
 export function getXcodeVersionData(): IXcodeVersionData {

package.json

@@ -4,6 +4,7 @@
   "description": "",
   "main": "./lib/ios-sim.js",
   "scripts": {
+    "prepublish": "node prepublish.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "bin": {