some progress

node_modules/mongoose/lib/helpers/query/applyQueryMiddleware.js

@@ -0,0 +1,54 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = applyQueryMiddleware;
+
+const validOps = require('./validOps');
+
+/*!
+ * ignore
+ */
+
+applyQueryMiddleware.middlewareFunctions = validOps.concat([
+  'validate'
+]);
+
+/**
+ * Apply query middleware
+ *
+ * @param {Query} Query constructor
+ * @param {Model} model
+ * @api private
+ */
+
+function applyQueryMiddleware(Query, model) {
+  const queryMiddleware = model.schema.s.hooks.filter(hook => {
+    const contexts = _getContexts(hook);
+    if (hook.name === 'validate') {
+      return !!contexts.query;
+    }
+    if (hook.name === 'deleteOne' || hook.name === 'updateOne') {
+      return !!contexts.query || Object.keys(contexts).length === 0;
+    }
+    if (hook.query != null || hook.document != null) {
+      return !!hook.query;
+    }
+    return true;
+  });
+
+  Query.prototype._queryMiddleware = queryMiddleware;
+}
+
+function _getContexts(hook) {
+  const ret = {};
+  if (hook.hasOwnProperty('query')) {
+    ret.query = hook.query;
+  }
+  if (hook.hasOwnProperty('document')) {
+    ret.document = hook.document;
+  }
+  return ret;
+}