fix standard generation

public/js/controller/quizGenerator.js

@@ -56,6 +56,8 @@ const standardGenerator = function(random) {
   const log = quizGenerator.log = ['Random seed: '+initialSeed];
   const questionID = random(Object.values(dP.standardQuestions)),
         q = dP.standardQuestions[questionID];
+  if(!q)
+    return false;
   log.push('Creating standard question.');
   log.push('It would be question number '+questionID);
   log.push('');

src/api/generateRandom.js

@@ -65,11 +65,14 @@ module.exports = {
           photo = seeded() > 0.7,
           result;
 
-      if((args.type !== void 0 ? args.type === 2: seeded()>0.5)){
-         result = ctx.standardGenerator(()=>rand(1,countStdQ))
+      while(!result){
+        if( ( args.type !== void 0 ? args.type === 2 : seeded() > 0.5 ) ){
+          result = ctx.standardGenerator( () => rand( 1, countStdQ ) )
         }else{
           result = ctx.quizGenerator( multiple ? 'checkbox' : 'radio', args.photo !== void 0 ? args.photo : photo );
         }
+      }
+
       console.log(`cat: ${result.categoryId}, prod: ${result.productId}, seed: ${seed}. ${result.question.substr(0,33)}`);
 
       if(args.nolog)
@@ -128,6 +131,10 @@ module.exports = {
           }else{
 
             result = ctx.standardGenerator(()=>cur.id)
+            if(!result){
+              tries = 100;
+              break;
+            }
           }
           tries++;
           if(tries === 100)