> ## Documentation Index
> Fetch the complete documentation index at: https://ancplua.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AL0121 - Avoid NormalizeWhitespace in source generators

> SyntaxFactory.NormalizeWhitespace() traverses the entire syntax tree to rewrite whitespace, which is expensive in source generators that run frequently

Source: [AL0121NormalizeWhitespaceAnalyzer.cs](https://github.com/ANcpLua/ANcpLua.Analyzers/blob/main/src/ANcpLua.Analyzers/Analyzers/AL0121NormalizeWhitespaceAnalyzer.cs)

## Description

SyntaxFactory.NormalizeWhitespace() traverses the entire syntax tree to rewrite whitespace, which is expensive in source generators that run frequently. Use raw string literals or manual formatting instead.

## Properties

* **Category**: Roslyn Utilities
* **Severity**: Warning
* **Enabled by default**: True
* **Code fix available**: True

## Configuration

```editorconfig theme={null}
dotnet_diagnostic.AL0121.severity = warning
```