# Prettier hooks

Using [pre-commit](https://pre-commit.com/) with Prettier is a good way to provide automated linting to your YAML files. With [pre-commit](https://pre-commit.com/), you also get the benefit of only linting/fixing the files that changed.

This makes the formatting process more efficient and ensures consistent YAML styling across your project without unnecessarily processing unmodified files.

{% embed url="<https://prettier.io/docs/en/precommit.html>" %}

## `prettier`

{% hint style="info" %}
**What it does**\
Automatically formats YAML files according to Prettier's style rules, ensuring consistent formatting across all YAML files in your project.

**When to use it**\
Use this hook when you want to maintain consistent YAML formatting across your project.
{% endhint %}

**Arguments**

* `--write`: Write changes directly to files
* `--check`: Check if files are formatted without modifying them
* `--tab-width`: Number of spaces per indentation level
* `--use-tabs`: Use tabs instead of spaces for indentation
* `--prose-wrap`: Control wrapping of prose (preserve, always, never)

**Example**

```yaml
repos:
  - repo: https://github.com/pre-commit/mirrors-prettier
    rev: v3.1.0
    hooks:
      - id: prettier
        types: [yaml]  # Only run on YAML files
        additional_dependencies:
          - prettier@3.1.0
        args: [--write]
```

## Using rules in your .prettierrc file

To point pre-commit to use your custom `.prettierrc` rules file, you need to put the `.prettierrc` file in your repository root.

**See also:**

{% content-ref url="/pages/7lzyTB4CXzf6tHLKJ746" %}
[Prettier](/app-help/documentation/integrations/code-ide/prettier.md)
{% endcontent-ref %}


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