refactor(core): fix for no-uncaught-json-parse warnings

packages/workflow/src/index.ts

@@ -16,4 +16,4 @@ export * from './WorkflowDataProxy';
 export * from './WorkflowErrors';
 export * from './WorkflowHooks';
 export { LoggerProxy, NodeHelpers, ObservableObject, TelemetryHelpers };
-export { deepCopy } from './utils';
+export { deepCopy, jsonParse } from './utils';

packages/workflow/src/utils.ts

@@ -30,3 +30,22 @@ export const deepCopy = <T>(source: T): T => {
 	return clone;
 };
 // eslint-enable
+type ErrorMessage = { errorMessage: string };
+type FallbackValue<T> = { fallbackValue: T };
+
+export const jsonParse = <T>(
+	jsonString: string,
+	options: ErrorMessage | FallbackValue<T> | {} = {},
+): T => {
+	try {
+		return JSON.parse(jsonString) as T;
+	} catch (error) {
+		if ('fallbackValue' in options) {
+			return options.fallbackValue;
+		}
+		if ('errorMessage' in options) {
+			throw new Error(options.errorMessage);
+		}
+		throw error;
+	}
+};