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Install the desired formatter extension like Prettier or Black. 2. Set the default formatter for a language via Settings UI or Command Palette, or directly in settings.json using the correct formatter ID. 3. Optionally enable format on save by setting "editor.formatOnSave": true globally or per language. 4. Ensure the formatter is enabled and properly configured to avoid conflicts, so VS Code uses it by default when formatting or saving files.
Setting a default formatter in VS Code ensures that your code is consistently formatted using your preferred tool, especially when using features like "Format Document" or saving files. Here's how to set it up:
1. Choose Your Formatter Extension
First, make sure you have the formatter extension installed for the language you're working with. Common ones include:
- Prettier – for JavaScript, TypeScript, CSS, HTML, etc.
-
ESLint – can also handle formatting with
eslint --fix - Black – for Python
- clang-format – for C/C
- RuboCop – for Ruby
Install the one you prefer from the Extensions Marketplace (Ctrl Shift X or Cmd Shift X).
2. Set the Default Formatter for a Language
Once the formatter is installed, you need to tell VS Code to use it by default.
Option A: Through Settings UI
- Open Settings (
Ctrl ,orCmd ,) - Search for "Default Formatter"
- Find the setting: Editor: Default Formatter
- Click on it and choose the formatter you want (e.g.,
esbenp.prettier-vscode)
Note: This sets a global default. You can also set it per language.
Option B: Per-Language Settings (Recommended)
You might want different formatters for different languages. To set a default formatter for a specific language:
- Open Command Palette (
Ctrl Shift PorCmd Shift P) - Type:
Preferences: Configure Language Specific Settings - Select the language (e.g., JavaScript, Python)
- In the language-specific settings, search for "default formatter"
- Select the desired formatter (e.g.,
Prettier - Code formatter)
Alternatively, you can edit your settings.json directly:
{
"[javascript]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter"
},
"[html]": {
"editor.defaultFormatter": "vscode.html-language-features"
}
}Replace the formatter ID with the correct one for your extension.
To find the correct formatter ID, go to the extension in VS Code and check its details page — the ID is listed there.
3. Enable Format on Save (Optional but Useful)
To automatically format when saving:
Add this to your settings:
{
"editor.formatOnSave": true
}Or set it per language:
{
"[javascript]": {
"editor.formatOnSave": true
}
}4. Make Sure Formatting is Enabled
Sometimes formatting doesn't trigger because multiple formatters are available and none is marked as default.
If you see a message like "There is no formatter for 'javascript' files installed." even after installing one, double-check:
- The formatter extension is enabled
- The
editor.defaultFormatteris correctly set - There are no conflicting settings in workspace or folder-level
settings.json
Summary
- Install the formatter extension
- Set
editor.defaultFormatterfor the language - Use language-specific settings if needed
- Optionally enable
formatOnSave
That’s it. Now when you format a document or save, VS Code will use your chosen tool by default.
Basically, just pick your formatter and tell VS Code which one to use — especially per language — and you're good to go.
The above is the detailed content of How to set a default formatter in vscode?. For more information, please follow other related articles on the PHP Chinese website!
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