fix(ns-bundle): parse all '*-app' flags as tns commands

Allows for using --publish-app along with --start-app, --build-app, etc.

Author: sis0k0

Diff for: bin/ns-bundle

@@ -23,13 +23,11 @@ function getTnsArgs(args) {
         "ns-bundle",
         "--android",
         "--ios",
-        "--build-app",
-        "--start-app",
         "--uglify",
         "--nobundle",
     ];
 
-    return args.filter(a => !other.includes(a));
+    return args.filter(a => !other.includes(a) && !a.endsWith("--app"));
 }
 
 function escape(arg) {
@@ -179,15 +177,13 @@ function getPlatform(flags) {
 }
 
 function getCommand(flags) {
-    if (flags.includes("start-app") && flags.includes("build-app")) {
-        throwError({message: "You cannot use both --start-app and --build-app flags!"});
+    const commands = flags.filter(f => f.endsWith("-app"));
+    if (commands.length > 1) {
+        throwError({message: `You can't use ${commands.join(", ")} together!`});
     }
 
-    if (flags.includes("start-app")) {
-        return "run";
-    } else if (flags.includes("build-app")) {
-        return "build";
-    }
+    // remove '-app' suffix
+    return commands[0].replace(/-app/, "");
 }
 
 function spawnChildProcess(command, ...args) {