Matching queries with doesNotExist constraint

2016-03-29 11:28:45 -03:00
parent 592334756b
commit 3dccd61222
2 changed files with 17 additions and 1 deletions
--- a/src/LiveQuery/QueryTools.js
+++ b/src/LiveQuery/QueryTools.js
@@ -206,7 +206,9 @@ function matchesKeyConstraints(object, key, constraints) {
        }
        break;
      case '$exists':
-        if (typeof object[key] === 'undefined') {
+        let propertyExists = typeof object[key] !== 'undefined';
+        let existenceIsRequired = constraints['$exists'];
+        if ((!propertyExists && existenceIsRequired) || (propertyExists && !existenceIsRequired)) {
          return false;
        }
        break;