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e9c00fee13
* skip loadcss initialization on empty link list * add `selector` option to specify loadCSS before element
74 lines
2.0 KiB
Markdown
74 lines
2.0 KiB
Markdown
# inline-critical
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Inline critical-path css and load the existing stylesheets asynchronously.
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Existing link tags will also be wrapped in ```<noscript>``` so the users with javscript disabled will see the site rendered normally.
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[](http://travis-ci.org/bezoerb/inline-critical)
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## Installation
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This module is installed via npm:
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``` bash
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$ npm install inline-critical
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```
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## Example Usage
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``` js
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var inline = require('inline-critical');
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var html = fs.readFileSync('test/fixtures/index.html', 'utf8');
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var critical = fs.readFileSync('test/fixtures/critical.css', 'utf8');
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var inlined = inline(html, critical);
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```
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## Example Usage ignoring stylesheet per regex
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``` js
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var inline = require('inline-critical');
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var html = fs.readFileSync('test/fixtures/index.html', 'utf8');
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var critical = fs.readFileSync('test/fixtures/critical.css', 'utf8');
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var inlined = inline(html, critical, {
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ignore: [/bootstrap/]
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});
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```
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## CLI
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inline-critical works well with standard input.
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You can either pass in the html
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```bash
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cat index.html | inline-critical critical.css
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```
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or just flip things around
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```bash
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cat critical.css | inline-critical index.html
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```
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or pass in the fileas as an option
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```bash
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inline-critical critical.css index.html
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```
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without having to worry about the correct order
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```bash
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inline-critical index.html critical.css
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```
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Run `inline-critical --help` to see the list of options.
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## inline(html, styles, options?)
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- `html` is the HTML you want to use to inline your critical styles, or any other styles
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- `styles` are the styles you're looking to inline
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- `options` is an optional configuration object
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- `minify` will minify the styles before inlining
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- `extract` will remove the inlined styles from any stylesheets referenced in the HTML
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- `basePath` will be used when extracting styles to find the files references by `href` attributes
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- `ignore` ignore matching stylesheets when inlining.
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- `selector` defines the element used by loadCSS as a reference for inlining.
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## License
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MIT
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