revert required

1 year ago · 3d8f38b8bc
1 changed files with 2 additions and 2 deletions
--- a/packages/core/src/data_sources/model/DataVariable.ts
+++ b/packages/core/src/data_sources/model/DataVariable.ts
@ -5,7 +5,7 @@ import { stringToPath } from '../../utils/mixins';
 export const DataVariableType = 'data-variable';

 export default class DataVariable extends Model {
-  em: EditorModel;
+  em?: EditorModel;

  defaults() {
    return {
@ -40,7 +40,7 @@ export default class DataVariable extends Model {
    if (!this.em) {
      throw new Error('EditorModel instance is not provided for a data variable.');
    }
-    const val = this.em.DataSources.getValue(path, defaultValue);
+    const val = this.em?.DataSources.getValue(path, defaultValue);

    return val;
  }