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111 lines
3.0 KiB
111 lines
3.0 KiB
2 weeks ago
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# [postcss][postcss]-svgo
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> Optimise inline SVG with PostCSS.
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## Install
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With [npm](https://npmjs.org/package/postcss-svgo) do:
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```
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npm install postcss-svgo --save
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```
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## Example
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### Input
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```css
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h1 {
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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>');
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}
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h2 {
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background: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz48IURPQ1RZUEUgc3ZnIFBVQkxJQyAiLS8vVzNDLy9EVEQgU1ZHIDEuMS8vRU4iICJodHRwOi8vd3d3LnczLm9yZy9HcmFwaGljcy9TVkcvMS4xL0RURC9zdmcxMS5kdGQiPjxzdmcgdmVyc2lvbj0iMS4xIiBpZD0iTGF5ZXJfMSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxuczp4bGluaz0iaHR0cDovL3d3dy53My5vcmcvMTk5OS94bGluayIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+PGNpcmNsZSBjeD0iNTAiIGN5PSI1MCIgcj0iNDAiIGZpbGw9InllbGxvdyIgLz48IS0tdGVzdCBjb21tZW50LS0+PC9zdmc+');
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}
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```
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### Output
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```css
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h1 {
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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="%23ff0"/></svg>');
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}
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h2 {
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background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxjaXJjbGUgY3g9IjUwIiBjeT0iNTAiIHI9IjQwIiBmaWxsPSIjZmYwIi8+PC9zdmc+');
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}
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```
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## API
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### `svgo([options])`
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#### options
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##### encode
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Type: `boolean`
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Default: `undefined`
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If `true`, it will encode URL-unsafe characters such as `<`, `>` and `&`;
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`false` will decode these characters, and `undefined` will neither encode nor
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decode the original input. Note that regardless of this setting, `#` will
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always be URL-encoded.
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##### plugins
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Optionally, you can customise the output by specifying the `plugins` option. You
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will need to provide the config in comma separated objects, like the example
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below. Note that you can either disable the plugin by setting it to `false`,
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or pass different options to change the default behaviour.
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```js
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var postcss = require('postcss');
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var svgo = require('postcss-svgo');
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var opts = {
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plugins: [{
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removeDoctype: false
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}, {
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removeComments: false
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}, {
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cleanupNumericValues: {
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floatPrecision: 2
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}
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}, {
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convertColors: {
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names2hex: false,
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rgb2hex: false
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}
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}]
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};
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postcss([ svgo(opts) ]).process(css).then(function (result) {
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console.log(result.css)
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});
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```
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You can view the [full list of plugins here][plugins].
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## Usage
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See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
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examples for your environment.
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## Contributors
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See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
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## License
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MIT © [Ben Briggs](http://beneb.info)
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[postcss]: https://github.com/postcss/postcss
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[plugins]: https://github.com/svg/svgo/tree/master/plugins
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