a

backend/node_modules/mquery/lib/permissions.js

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+'use strict';
+
+const denied = exports;
+
+denied.distinct = function(self) {
+  if (self._fields && Object.keys(self._fields).length > 0) {
+    return 'field selection and slice';
+  }
+
+  const keys = Object.keys(denied.distinct);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+denied.distinct.select =
+denied.distinct.slice =
+denied.distinct.sort =
+denied.distinct.limit =
+denied.distinct.skip =
+denied.distinct.batchSize =
+denied.distinct.hint =
+denied.distinct.tailable = true;
+
+
+// aggregation integration
+
+
+denied.findOneAndUpdate =
+denied.findOneAndDelete = function(self) {
+  const keys = Object.keys(denied.findOneAndUpdate);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+denied.findOneAndUpdate.limit =
+denied.findOneAndUpdate.skip =
+denied.findOneAndUpdate.batchSize =
+denied.findOneAndUpdate.tailable = true;
+
+denied.findOneAndReplace = function(self) {
+  const keys = Object.keys(denied.findOneAndUpdate);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+
+
+denied.countDocuments = function(self) {
+  if (self._fields && Object.keys(self._fields).length > 0) {
+    return 'field selection and slice';
+  }
+
+  const keys = Object.keys(denied.countDocuments);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+
+denied.countDocuments.slice =
+denied.countDocuments.batchSize =
+denied.countDocuments.tailable = true;