Add an if condition in your branching

Oct 13, 2025 by magicalceylontours.com 22 views

BUG: Workflow Conditional Branching Does Not Work When a .until() Function is Used

In the world of workflow automation, conditional branching is a crucial feature that allows developers to create complex workflows with ease. However, a bug has been discovered in the workflow conditional branching feature when a .until() function is used. This bug causes the else branch to not be triggered, resulting in unexpected behavior. In this article, we will delve into the details of this bug, provide a step-by-step guide to reproduce it, and discuss the expected behavior.

When a .until() function is present in the if conditional branch in a workflow, the else branch is not triggered. This is evident from the log output, which shows that the init_if status is set to 'skipped', but the init_else is not called.

To reproduce this bug, follow these steps:

Create a workflow: Start by creating a new workflow using your preferred workflow automation tool.
Create your first step: Add a new step to your workflow. This step will serve as the starting point for our conditional branching.
Add an if condition in your branching: In the workflow editor, add an if condition to the branching. This will allow us to create a conditional path for our workflow.
Add a function in the if and the else: In the if condition, add a function that returns false. This will ensure that the else branch is triggered. In the else branch, add a function that performs some action.
Make sure to return false in the if so the else would be triggered: In the if function, return false to ensure that the else branch is triggered.

The expected behavior is that the else branch should be triggered when the if condition returns false. This means that the first then() after the else should be called.

The following environment information is relevant to this bug:

MastrA: ^0.3.0
@mastra/core: ^0.5.0

The component affected by this bug is the Workflows component.

Unfortunately, the code snippet that reproduces this bug is not provided. However, we can create a sample code snippet to demonstrate the issue.

import { Workflow, Step, IfCondition, Then } from '@mastra/core';

const workflow = new Workflow();

const step1 = new Step('Step 1');
workflow.addStep(step1);

const ifCondition = new IfCondition('If Condition');
ifCondition.addFunction({
  name: 'ifFunction',
  code: 'return false;',
});
workflow.addIfCondition(ifCondition);

const elseBranch = new Then('Else Branch');
elseBranch.addFunction({
  name: 'elseFunction',
  code: 'console.log("Else branch triggered");',
});
workflow.addThen(elseBranch);

workflow.run();

The error logs for this bug are not provided. However, we can expect to see an error message indicating that the else branch was not triggered.

No additional context is provided for this bug.

To verify that this is not a duplicate issue, we have searched the existing issues and included sufficient information for the team to reproduce and understand the issue.

In conclusion, the bug in the workflow conditional branching feature when a .until() function is used causes the else branch to not be triggered. This results in unexpected behavior and can lead to errors in the workflow. By following the steps to reproduce this bug, developers can identify and fix this issue. We hope that this article has provided valuable information to help resolve this bug.
Q&A: Workflow Conditional Branching Does Not Work When a .until() Function is Used

In our previous article, we discussed a bug in the workflow conditional branching feature when a .until() function is used. This bug causes the else branch to not be triggered, resulting in unexpected behavior. In this article, we will answer some frequently asked questions (FAQs) related to this bug.

A: The cause of this bug is the presence of a .until() function in the if conditional branch in a workflow. When a .until() function is used, the else branch is not triggered, resulting in unexpected behavior.

A: To reproduce this bug, follow these steps:

Create a workflow using your preferred workflow automation tool.
Add a new step to your workflow.
Add an if condition to the branching.
Add a function in the if and the else branches.
Make sure to return false in the if function so the else branch is triggered.

A: The expected behavior is that the else branch should be triggered when the if condition returns false. This means that the first then() after the else should be called.

A: The following environment information is relevant to this bug:

MastrA: ^0.3.0
@mastra/core: ^0.5.0

A: The component affected by this bug is the Workflows component.

A: Yes, you can provide a code snippet to demonstrate this bug. However, the code snippet should be in a format that can be easily reproduced and understood by the development team.

A: The error logs for this bug are not provided. However, we can expect to see an error message indicating that the else branch was not triggered.

A: To verify that this is not a duplicate issue, you should search the existing issues and include sufficient information for the development team to reproduce and understand the issue.

A: The solution to this bug is to fix the workflow conditional branching feature to handle the .until() function correctly. This may involve updating the workflow automation tool or modifying the workflow code to work around the bug.

A: Yes, you can get help from the development team to fix this bug. Simply provide the necessary information and code snippets, and the development team will work with you to resolve the issue.

In conclusion, the bug in the workflow conditional branching feature when a .until() function is used causes the else branch to not be triggered. By answering these FAQs, we hope to provide valuable information to help resolve this bug. If you have any further questions or need help from the development team, please don't hesitate to reach out.