Скачать или смотреть How to Fix the File is Too Large for Tokenization/Formatting Error in VSCode

Discover effective solutions for the common VSCode problem of formatting large JSON files. Learn how to manage large files with this step-by-step guide.
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Solving the VSCode JSON Formatting Dilemma: A Step-by-Step Guide

If you're a programmer or a developer, you might have dealt with large JSON files that are difficult to work with. An issue often encountered in Visual Studio Code (VSCode) is the daunting message: file is too large for tokenization/formatting. This problem becomes particularly pressing when you're working with files such as an 800KB JSON, which is all condensed into one line. Fortunately, there is a solution that can help you format your large JSON files effortlessly.

Understanding the Problem

When you attempt to format a large JSON file in VSCode, you may receive a message indicating that the file size exceeds the limitations for tokenization or formatting. This can be frustrating, especially when you need a cleaner, readable version of your data. Let's break down the steps on how to overcome this limitation.

Solution Overview

To format large JSON files in VSCode, you can follow this simple workaround:

Save the File with a New Name: By using the 'Save As' function, you can trigger VSCode's recognition of the file's format.

Adjust VSCode Process Priority: If you encounter performance issues, tweaking the process priority can improve functionality significantly.

Step-by-Step Instructions

Step 1: Open the JSON File

Start by locating the large JSON file that you wish to format. Open it in VSCode just as you would with any other file.

Step 2: Save It Under a New Name

Go to the File menu.

Click on Save As.

Choose a new name for your file (it can be the same name, just with a different designation to trigger VSCode’s recognition).

After saving, VSCode will re-evaluate the file, often resolving any prior issues.

Step 3: Format the Document

Once you have saved the file with a new name, proceed to format the document:

Right-click in the editor window.

Select Format Document from the context menu.

Step 4: Increase VSCode's Process Priority (if needed)

If, during the formatting process, you experience any crashes, you can manage the process priority:

Open Task Manager (you can do this by right-clicking on the taskbar and selecting "Task Manager").

Find VSCode in the list of processes.

Right-click on VSCode and choose Go to details.

In the details tab, right-click again on the VSCode.exe process and set the priority to High.

This adjustment can help your system allocate more resources to the VSCode process, facilitating smoother functioning, especially with large files.

Performance Tips

Monitoring Resources: If you have a considerable amount of RAM (like 24GB), monitor your resource usage. As noted, VSCode might use around 7GB, so make sure your system is not overloaded with other heavy applications while formatting.

Backup Your Work: Always keep a backup before making substantial changes to large files; this ensures that you do not lose data in case of any errors.

Conclusion

Formatting large JSON files in VSCode doesn't have to be a hassle. By using the 'Save As' trick along with some performance tweaks, you can make your VSCode experience smoother and more productive. Don’t let file size limitations frustrate your workflow; instead, use the strategies discussed here to unlock the full potential of your JSON files.

Armed with this knowledge, you can handle even the largest JSON files, ensuring your data is always formatted and ready for use. Happy coding!