Potential solution

The solution involves ensuring that the langchain module is compatible with Node.js v19.6.1 and that it is correctly handling cookies within HTTP requests. If the module is not compatible or has a bug related to cookie handling, it may need to be updated or patched. Additionally, the test environment should be configured to mock HTTP requests and handle cookies appropriately.

What is causing this bug?

The bug is caused by an issue within the langchain module's axios-fetch-adapter.js file, where cookies are expected to be iterable, but in some cases, they are not. This could be due to a variety of reasons, such as cookies being undefined, an empty string, or a non-iterable object. The error occurs when the getResponse function in the axios-fetch-adapter.js module attempts to iterate over cookies.

Code

To address the issue, the following steps should be taken:

Check for updates to the langchain module and update it if a newer version is available that fixes the issue.
```
npm view langchain versions
npm install langchain@latest
```
If no update is available, or if the issue persists after updating, review the langchain module's compatibility with Node.js v19.6.1. If necessary, lock the Node version to a compatible one by updating the engines field in package.json.
In the test environment (getFiles.test.js), mock HTTP requests to avoid actual network calls and control the responses, including cookies. Use Jest's mocking tools to mock the axios-fetch-adapter.js module or any other module that makes HTTP requests.
Review the implementation of getRelevantFiles in getFiles.js to ensure it is handling cookies correctly. Implement checks to ensure cookies are present and iterable before attempting to iterate over them.
If the issue is urgent and cannot wait for an update, consider implementing a temporary workaround in the user's codebase to handle the non-iterable cookies.

How to replicate the bug

To replicate the bug, run the test suite using Node.js v19.6.1 with the langchain module at version ^0.0.51:

npm run test

The error should occur during the execution of the getRelevantFiles test cases in agents/getFiles.test.js, as this function likely makes HTTP requests that trigger the cookie handling code in axios-fetch-adapter.js.

Click here to create a Pull Request with the proposed solution

Files used for this task:

Changes on package.json

Based on the provided `package.json` file, the `langchain` module is currently at version `^0.0.51`. The `TypeError: cookies is not iterable` error mentioned in the ticket description is occurring within the `langchain` module, specifically in the `axios-fetch-adapter.js` file. Given that the error is happening within a dependency and not directly in the user's code, there are a few potential actions to consider: 1. **Check for Updates**: The first step would be to check if there is a newer version of the `langchain` module that may have fixed this issue. This can be done by running `npm view langchain versions` to list all available versions and see if there is a version newer than `0.0.51`. 2. **Update the Module**: If a newer version is available, update the `langchain` module in `package.json` by changing the version number to the latest version and then running `npm install` to apply the update. 3. **Compatibility with Node Version**: Since the user is running Node v19.6.1, it's important to ensure that the `langchain` module is compatible with this version of Node. If the module is not compatible, the user may need to either downgrade their Node version or wait for an update to the module that adds compatibility. 4. **Lock Node Version**: If no update is available for the `langchain` module and it's not compatible with Node v19.6.1, consider updating the `engines` field in `package.json` to lock the Node version to a compatible one. This would involve specifying a version range that is known to work with the current version of `langchain`. 5. **Contact Module Maintainers**: If updating the module does not resolve the issue or if there are no newer versions available, consider reaching out to the maintainers of the `langchain` module to report the bug and ask for guidance or a timeline for a fix. 6. **Workaround**: As a temporary measure, if the issue is urgent and cannot wait for an update, consider implementing a workaround in the user's codebase to handle the non-iterable cookies. This would likely involve modifying the code where `langchain` is used to catch the error and handle it gracefully. For now, the action items are to check for updates to the `langchain` module and update it if possible. If no update is available, consider the compatibility with Node v19.6.1 and potentially lock the Node version to a compatible one.

Changes on agents/getFiles.test.js

The `getFiles.test.js` file contains a suite of test cases for the `getRelevantFiles` function, which is expected to return a list of relevant file paths based on a given task description. The test cases are structured using Jest's `describe` and `it.each` methods to run multiple tests with different inputs and expected outputs. The TypeError "cookies is not iterable" mentioned in the issue does not directly relate to the code within `getFiles.test.js`. The error occurs in the `axios-fetch-adapter.js` module, which is not explicitly required or used in this test file. However, since `getRelevantFiles` is an asynchronous function, it is likely that it internally makes HTTP requests using the `axios-fetch-adapter.js` module, which is where the error originates. To address the issue in the context of this test file, we need to ensure that the `getRelevantFiles` function is properly handling cookies or that the test environment is correctly mocking any HTTP requests and their associated cookies. Here are the steps to take based on the provided source code: 1. **Mock HTTP Requests**: If `getRelevantFiles` makes HTTP requests, these should be mocked in the test environment to avoid actual network calls and to control the responses, including cookies. Jest provides tools for mocking modules and functions, which can be used to mock the behavior of the `axios-fetch-adapter.js` module or any other module that makes HTTP requests. 2. **Check for Cookie Handling**: Review the implementation of `getRelevantFiles` to see how it handles cookies. If the function expects cookies to be present and they are not, or if it is not handling the case where cookies are `undefined` or not an iterable object, this could lead to the TypeError. The function should include checks to ensure that cookies are present and iterable before attempting to iterate over them. 3. **Update Test Environment**: Ensure that the test environment is set up to handle cookies correctly. This may involve setting up global mocks or configurations that simulate the presence of cookies. 4. **Error Handling**: Implement error handling within the test cases to catch and handle the TypeError. This could involve wrapping the call to `getRelevantFiles` in a try-catch block and asserting that the error is handled gracefully. 5. **Consult Documentation**: Check the documentation for the `axios-fetch-adapter.js` module and any related modules to understand how they expect cookies to be handled. There may be updates or changes in the module's API that need to be reflected in the `getRelevantFiles` function or the test setup. In summary, while the `getFiles.test.js` file itself does not contain the code causing the TypeError, it is responsible for testing the `getRelevantFiles` function, which may be where the issue needs to be addressed. The test cases should be updated to mock HTTP requests and handle cookies correctly to prevent the TypeError from occurring during testing.

Changes on agents/getFiles.js

Upon reviewing the `agents/getFiles.js` file, it is clear that the `axios-fetch-adapter.js` module is not directly used within this file. The `getRelevantFiles` function is responsible for formatting a prompt, sending it to a model via the `model.call(input)` method, and parsing the response using a structured parser. The error reported in the issue, "TypeError: cookies is not iterable," is occurring within the `axios-fetch-adapter.js` module, which is part of the `langchain` package. Since `getFiles.js` does not directly interact with cookies or the `axios-fetch-adapter.js` module, the issue likely lies in the `langchain` package or how the model's `call` method handles HTTP requests and responses. To address the issue within the scope of this file (`getFiles.js`), we can consider the following steps: 1. Ensure that the `getModel` function from `../modules/model` is correctly initializing the model with the appropriate configuration that might include handling cookies if necessary. 2. Verify that the `model.call(input)` method is correctly implemented and that it does not require additional handling for cookies within the `getFiles.js` context. 3. Since the error is not directly related to the code in `getFiles.js`, it might be necessary to look into the `langchain` package's implementation or configuration to resolve the issue. Given that the error message points to a problem with the `axios-fetch-adapter.js` module, it is recommended to check the `langchain` package's version and compatibility with Node.js v19.6.1, as well as to review the `getModel` function and the `model.call(input)` method for any potential misconfigurations related to HTTP requests and cookie handling. In summary, there is no direct action to be taken within the `getFiles.js` file to resolve the "cookies is not iterable" error. The issue likely resides in the `langchain` package or the model's HTTP request handling, which should be investigated further.

fjrdomingues / autopilot

TypeError: cookies is not iterable #191

Potential solution

What is causing this bug?

Code

How to replicate the bug