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postcss-inline-svg 
PostCSS plugin to reference an SVG file and control its attributes with CSS syntax.
@svg-load nav url(img/nav.svg) {
fill: #cfc;
path:nth-child(2) {
fill: #ff0;
}
}
.nav {
background: svg-inline(nav);
}
.up {
background: svg-load('img/arrow-up.svg', fill=#000, stroke=#fff);
}.nav {
background: url("data:image/svg+xml;charset=utf-8,%3Csvg fill='%23cfc'%3E%3Cpath d='...'/%3E%3Cpath d='...' fill='%23ff0'/%3E%3Cpath d='...'/%3E%3C/svg%3E");
}
.up {
background: url("data:image/svg+xml;charset=utf-8,%3Csvg fill='%23000' stroke='%23fff'%3E...%3C/svg%3E");
}PostCSS parsers allow to use different syntax (but only one syntax in one svg-load() definition):
.up {
background: svg-load('img/arrow-up.svg', fill: #000, stroke: #fff);
}
.down {
background: svg-load('img/arrow-down.svg', fill=#000, stroke=#fff);
}Usage
postcss([ require('postcss-inline-svg')(options) ])See PostCSS docs for examples for your environment.
Options
options.paths
Array of paths to resolve URL. Paths are tried in order, until an existing file is found.
Default: false - path will be relative to source file if it was specified.
options.removeFill
Default: false - with true removes all fill attributes before applying specified.
Passed RegExp filters files by ID.
options.removeStroke
Default: false - with true removes all stroke attributes before applying specified.
Passed RegExp filters files by ID.
options.encode(svg)
Processes SVG after applying parameters. Default will be ommited if passed false.
Default:
function encode(code) {
return code
.replace(/%/g, '%25')
.replace(/</g, '%3C')
.replace(/>/g, '%3E')
.replace(/&/g, '%26')
.replace(/#/g, "%23")
.replace(/{/g, "%7B")
.replace(/}/g, "%7D");
}options.transform(svg, path)
Transforms SVG after encode function and generates URL.
options.xmlns
type: boolean default: true
Adds xmlns attribute to SVG if not present.
Frequently asked questions
Why svg-load() doesn't work and the color still black (or red or whatever)?
That's because svg-load() overrides attributes only in <svg> element and children inherit that color.
But if there is already color on children nothing will be inherited.
For example
<svg>
<path fill="#ff0000" d="..." />
</svg>after inline-svg (fill: #000) will looks like
<svg fill="#000">
<path fill="#ff0000" d="..." />
</svg>There are three solutions: to remove that attribute (preferable), to use extended @svg-load notation or to use removeFill option.
How to optimize svg on build step?
There is a plugin. :)
You are able to add postcss-svgo in your PostCSS plugins list which will detect every URL which contains data SVG URI and minify via svgo.
postcss([
require('postcss-inline-svg'),
require('postcss-svgo')
])Or if you use cssnano your SVG URLs already minified as cssnano includes postcss-svgo.
postcss([
require('postcss-inline-svg'),
require('cssnano')
])License
MIT © Bogdan Chadkin
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