Clean up the oopsie. Rebuild the blank exercises.

node_modules/ajv/lib/dot/validate.jst

@@ -20,30 +20,23 @@
     , $id = it.self._getId(it.schema);
 }}
 
-{{? it.isTop }}
-  {{? $async }}
-    {{
-      it.async = true;
-      var $es7 = it.opts.async == 'es7';
-      it.yieldAwait = $es7 ? 'await' : 'yield';
-    }}
-  {{?}}
+{{
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+}}
 
-  var validate =
-    {{? $async }}
-      {{? $es7 }}
-        (async function
-      {{??}}
-        {{? it.opts.async != '*'}}co.wrap{{?}}(function*
-      {{?}}
-    {{??}}
-      (function
+{{? it.isTop }}
+  var validate = {{?$async}}{{it.async = true;}}async {{?}}function(data, dataPath, parentData, parentDataProperty, rootData) {
+    'use strict';
+    {{? $id && (it.opts.sourceCode || it.opts.processCode) }}
+      {{= '/\*# sourceURL=' + $id + ' */' }}
     {{?}}
-        (data, dataPath, parentData, parentDataProperty, rootData) {
-          'use strict';
-          {{? $id && (it.opts.sourceCode || it.opts.processCode) }}
-            {{= '/\*# sourceURL=' + $id + ' */' }}
-          {{?}}
 {{?}}
 
 {{? typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref) }}
@@ -70,7 +63,7 @@
   {{?}}
 
   {{? it.isTop}}
-    });
+    };
     return validate;
   {{?}}
 
@@ -88,7 +81,13 @@
     it.baseId = it.baseId || it.rootId;
     delete it.isTop;
 
-    it.dataPathArr = [undefined];
+    it.dataPathArr = [""];
+
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
   }}
 
   var vErrors = null; {{ /* don't edit, used in replace */ }}
@@ -118,6 +117,16 @@
   var $typeSchema = it.schema.type
     , $typeIsArray = Array.isArray($typeSchema);
 
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1)
+        $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+
   if ($typeIsArray && $typeSchema.length == 1) {
     $typeSchema = $typeSchema[0];
     $typeIsArray = false;
@@ -131,7 +140,7 @@
       , $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
   }}
 
-  if ({{= it.util[$method]($typeSchema, $data, true) }}) {
+  if ({{= it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true) }}) {
 #}}
 
 {{? it.schema.$ref && $refKeywords }}
@@ -145,6 +154,10 @@
   {{?}}
 {{?}}
 
+{{? it.schema.$comment && it.opts.$comment }}
+  {{= it.RULES.all.$comment.code(it, '$comment') }}
+{{?}}
+
 {{? $typeSchema }}
   {{? it.opts.coerceTypes }}
     {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
@@ -176,15 +189,12 @@
     {{ $closingBraces2 += '}'; }}
   {{?}}
 {{??}}
-  {{? it.opts.v5 && it.schema.patternGroups }}
-    {{ it.logger.warn('keyword "patternGroups" is deprecated and disabled. Use option patternGroups: true to enable.'); }}
-  {{?}}
   {{~ it.RULES:$rulesGroup }}
     {{? $shouldUseGroup($rulesGroup) }}
       {{? $rulesGroup.type }}
-        if ({{= it.util.checkDataType($rulesGroup.type, $data) }}) {
+        if ({{= it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers) }}) {
       {{?}}
-        {{? it.opts.useDefaults && !it.compositeRule }}
+        {{? it.opts.useDefaults }}
           {{? $rulesGroup.type == 'object' && it.schema.properties }}
             {{# def.defaultProperties }}
           {{?? $rulesGroup.type == 'array' && Array.isArray(it.schema.items) }}
@@ -237,19 +247,13 @@
       validate.errors = vErrors; {{ /* don't edit, used in replace */ }}
       return errors === 0;       {{ /* don't edit, used in replace */ }}
     {{?}}
-  });
+  };
 
   return validate;
 {{??}}
   var {{=$valid}} = errors === errs_{{=$lvl}};
 {{?}}
 
-{{# def.cleanUp }}
-
-{{? $top }}
-  {{# def.finalCleanUp }}
-{{?}}
-
 {{
   function $shouldUseGroup($rulesGroup) {
     var rules = $rulesGroup.rules;