Clean up the oopsie. Rebuild the blank exercises.

node_modules/ajv/lib/dot/uniqueItems.jst

@@ -14,18 +14,42 @@
     else {
   {{?}}
 
-  var {{=$valid}} = true;
-  if ({{=$data}}.length > 1) {
-    var i = {{=$data}}.length, j;
-    outer:
-    for (;i--;) {
-      for (j = i; j--;) {
-        if (equal({{=$data}}[i], {{=$data}}[j])) {
-          {{=$valid}} = false;
-          break outer;
+  var i = {{=$data}}.length
+    , {{=$valid}} = true
+    , j;
+  if (i > 1) {
+    {{
+      var $itemType = it.schema.items && it.schema.items.type
+        , $typeIsArray = Array.isArray($itemType);
+    }}
+    {{? !$itemType || $itemType == 'object' || $itemType == 'array' ||
+        ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0)) }}
+      outer:
+      for (;i--;) {
+        for (j = i; j--;) {
+          if (equal({{=$data}}[i], {{=$data}}[j])) {
+            {{=$valid}} = false;
+            break outer;
+          }
         }
       }
-    }
+    {{??}}
+      var itemIndices = {}, item;
+      for (;i--;) {
+        var item = {{=$data}}[i];
+        {{ var $method = 'checkDataType' + ($typeIsArray ? 's' : ''); }}
+        if ({{= it.util[$method]($itemType, 'item', it.opts.strictNumbers, true) }}) continue;
+        {{? $typeIsArray}}
+          if (typeof item == 'string') item = '"' + item;
+        {{?}}
+        if (typeof itemIndices[item] == 'number') {
+          {{=$valid}} = false;
+          j = itemIndices[item];
+          break;
+        }
+        itemIndices[item] = i;
+      }
+    {{?}}
   }
 
   {{? $isData }}  }  {{?}}