fix: typescript error

Author: Elena Hristova

tsconfig.json

@@ -6,10 +6,12 @@
         "removeComments": true,
         "noLib": false,
         "emitDecoratorMetadata": true,
+        "esModuleInterop": true,
         "experimentalDecorators": true,
         "lib": ["es6", "dom"],
         "sourceMap": true,
         "pretty": true,
+        "allowSyntheticDefaultImports": true,
         "allowUnreachableCode": false,
         "allowUnusedLabels": false,
         "importHelpers": true,