output.inlineStyles
- Type:
- Default:
false
Whether to inline output style files (.css files) into HTML with <style> tags.
When this option is enabled, style files are no longer written to the dist directory and only exist inside the HTML file.
Example
By default, the following output files are generated:
After enabling the output.inlineStyles option:
The output files of production build will become:
And dist/static/css/style.css will be inlined in index.html:
Setting inlineStyles: true is equivalent to setting inlineStyles.enable to 'auto'. This indicates that inline styles will only be enabled in production mode.
Using RegExp
To inline part of the CSS files, set inlineStyles to a regular expression that matches the URL of the CSS file that needs to be inlined.
For example, to inline main.css into HTML, add the following configuration:
Production filenames include a hash value by default, such as static/css/main.18a568e5.css. In regular expressions, use \w+ to match the hash.
Using function
Set output.inlineStyles to a function that accepts the following parameters:
name: The filename, such asstatic/css/main.18a568e5.css.size: The file size in bytes.
To inline assets smaller than 10 kB, add the following configuration:
Options
enable
- Type:
boolean | 'auto' - Default:
false
Whether to enable the inline styles feature. If set to 'auto', it will be enabled when the mode is 'production'.
test
- Type:
RegExp | ((params: { size: number; name: string }) => boolean)
The regular expression or function to match the CSS files that need to be inlined.