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# [postcss][postcss]-svgo [][ci] [][npm] [][deps]
> Optimise inline SVG with PostCSS.
## Install
With [npm](https://npmjs.org/package/postcss-svgo) do:
```
npm install postcss-svgo --save
```
## Example
### Input
```css
h1 {
background: url('data:image/svg+xml;charset=utf-8,<?xml version="1.0" encoding="utf-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve"><circle cx="50" cy="50" r="40" fill="yellow" /></svg>');
}
```
### Output
```css
h1 {
background: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="#ff0"/></svg>');
}
```
## API
### `svgo([options])`
Note that postcss-svgo is an *asynchronous* processor. It cannot be used
like this:
```js
var result = postcss([ svgo() ]).process(css).css;
console.log(result);
```
Instead make sure your PostCSS runner uses the asynchronous API:
```js
postcss([ svgo() ]).process(css).then(function (result) {
console.log(result.css);
});
```
#### options
##### encode
Type: `boolean`
Default: `undefined`
If `true`, it will encode URL-unsafe characters such as `<`, `>` and `#`;
`false` will decode these characters, and `undefined` will neither encode nor
decode the original input.
##### plugins
Optionally, you can customise the output by specifying the `plugins` option. You
will need to provide the config in comma separated objects, like the example
below. Note that you can either disable the plugin by setting it to `false`,
or pass different options to change the default behaviour.
```js
var postcss = require('postcss');
var svgo = require('postcss-svgo');
var opts = {
plugins: [{
removeDoctype: false
}, {
removeComments: false
}, {
cleanupNumericValues: {
floatPrecision: 2
}
}, {
convertColors: {
names2hex: false,
rgb2hex: false
}
}]
};
postcss([ svgo(opts) ]).process(css).then(function (result) {
console.log(result.css)
});
```
You can view the [full list of plugins here][plugins].
## Usage
See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
examples for your environment.
## Contributing
Pull requests are welcome. If you add functionality, then please add unit tests
to cover it.
## License
MIT © [Ben Briggs](http://beneb.info)
[ci]: https://travis-ci.org/ben-eb/postcss-svgo
[deps]: https://gemnasium.com/ben-eb/postcss-svgo
[npm]: http://badge.fury.io/js/postcss-svgo
[postcss]: https://github.com/postcss/postcss
[plugins]: https://github.com/svg/svgo/tree/master/plugins