First Commit

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

@@ -0,0 +1,46 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function selectPopulatedFields(query) {
+  const opts = query._mongooseOptions;
+
+  if (opts.populate != null) {
+    const paths = Object.keys(opts.populate);
+    const userProvidedFields = query._userProvidedFields || {};
+    if (query.selectedInclusively()) {
+      for (let i = 0; i < paths.length; ++i) {
+        if (!isPathInFields(userProvidedFields, paths[i])) {
+          query.select(paths[i]);
+        } else if (userProvidedFields[paths[i]] === 0) {
+          delete query._fields[paths[i]];
+        }
+      }
+    } else if (query.selectedExclusively()) {
+      for (let i = 0; i < paths.length; ++i) {
+        if (userProvidedFields[paths[i]] == null) {
+          delete query._fields[paths[i]];
+        }
+      }
+    }
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function isPathInFields(userProvidedFields, path) {
+  const pieces = path.split('.');
+  const len = pieces.length;
+  let cur = pieces[0];
+  for (let i = 1; i < len; ++i) {
+    if (userProvidedFields[cur] != null) {
+      return true;
+    }
+    cur += '.' + pieces[i];
+  }
+  return userProvidedFields[cur] != null;
+}