tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 108 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/ajv/lib/dot/required.jst b/tools/node_modules/eslint/node_modules/ajv/lib/dot/required.jst
new file mode 100644
index 0000000000..80fde35e8c
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/ajv/lib/dot/required.jst
@@ -0,0 +1,108 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.missing }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{ var $vSchema = 'schema' + $lvl; }}
+
+{{## def.setupLoop:
+  {{? !$isData }}
+    var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+  {{?}}
+
+  {{
+    var $i = 'i' + $lvl
+      , $propertyPath = 'schema' + $lvl + '[' + $i + ']'
+      , $missingProperty = '\' + ' + $propertyPath + ' + \'';
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+    }
+  }}
+#}}
+
+
+{{## def.isRequiredOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, {{=$vSchema}}[{{=$i}}])
+#}}
+
+
+{{? !$isData }}
+  {{? $schema.length < it.opts.loopRequired &&
+      it.schema.properties && Object.keys(it.schema.properties).length }}
+    {{ var $required = []; }}
+    {{~ $schema:$property }}
+      {{ var $propertySch = it.schema.properties[$property]; }}
+      {{? !($propertySch && {{# def.nonEmptySchema:$propertySch}}) }}
+        {{ $required[$required.length] = $property; }}
+      {{?}}
+    {{~}}
+  {{??}}
+    {{ var $required = $schema; }}
+  {{?}}
+{{?}}
+
+
+{{? $isData || $required.length }}
+  {{
+    var $currentErrorPath = it.errorPath
+      , $loopRequired = $isData || $required.length >= it.opts.loopRequired
+      , $ownProperties = it.opts.ownProperties;
+  }}
+
+  {{? $breakOnError }}
+    var missing{{=$lvl}};
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      var {{=$valid}} = true;
+
+      {{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        {{=$valid}} = {{=$data}}[{{=$vSchema}}[{{=$i}}]] !== undefined
+                      {{? $ownProperties }}
+                        && {{# def.isRequiredOwnProperty }}
+                      {{?}};
+        if (!{{=$valid}}) break;
+      }
+
+      {{? $isData }}  }  {{?}}
+
+      {{# def.checkError:'required' }}
+      else {
+    {{??}}
+      if ({{# def.checkMissingProperty:$required }}) {
+        {{# def.errorMissingProperty:'required' }}
+      } else {
+    {{?}}
+  {{??}}
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      {{? $isData }}
+        if ({{=$vSchema}} && !Array.isArray({{=$vSchema}})) {
+          {{# def.addError:'required' }}
+        } else if ({{=$vSchema}} !== undefined) {
+      {{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        if ({{=$data}}[{{=$vSchema}}[{{=$i}}]] === undefined
+            {{? $ownProperties }}
+              || !{{# def.isRequiredOwnProperty }}
+            {{?}}) {
+          {{# def.addError:'required' }}
+        }
+      }
+
+      {{? $isData }}  }  {{?}}
+    {{??}}
+      {{~ $required:$propertyKey }}
+        {{# def.allErrorsMissingProperty:'required' }}
+      {{~}}
+    {{?}}
+  {{?}}
+
+  {{ it.errorPath = $currentErrorPath; }}
+
+{{?? $breakOnError }}
+  if (true) {
+{{?}}