css-prefixer

css-prefixer

prefixing css using rework

Getting Started

npm install --save css-prefixer 

Once the package has been installed, it may be required with this line of JavaScript:

var prefixer = require('css-prefixer');

Overview

Below is a basic example

example.css

h1#nice div.was h2 span .good {
    color: red;
}
@-webkit-keyframes shake {
    0%, 100% {
        -webkit-transform: translateX(0);
    }
}
.something.shake {
    -webkit-animation-name: shake;
    -moz-animation-name: shake;
    -o-animation-name: shake;
    animation-name: shake;
}
@media (min-width: 768px) {
    #pre-truth2.media-query-style .pre-good{
        font-size: 21px;
    }
}

code:

var fs = require('fs');
var css = fs.readFileSync('./example.css', 'utf8')
var options= {
        prefix: 'pre-'
    };
    var result = prefixer( css, options );
    console.log(result)

result:

h1#pre-nice div.pre-was h2 span .pre-good {
  color: red;
}
@-webkit-keyframes pre-shake {
  0%, 100% {
    -webkit-transform: translateX(0);
  }
}
.pre-something.pre-shake {
  -webkit-animation-name: pre-shake;
  -moz-animation-name: pre-shake;
  -o-animation-name: pre-shake;
  animation-name: pre-shake;
}
@media (min-width: 768px) {
  #pre-truth2.pre-media-query-style .pre-good {
    font-size: 21px;
  }
}

Options

---

options.prefix

Type: String
Default value: ''

Prefix any class name/id selector in the target file with this prefix.

---

options.ignore

Type: [ '' ]
Default value: [ '{options.prefix}' ]

An array of strings that will ignore selector names once it starts with any of the provided strings. The provided prefix is always added to this list by default.

---

options.processName

Type: String
Default value: null

process the prefixed class name with any of underscore.string methods

---

options.prefixIdSelectors

Type: Boolean
Default value: true

When true will prefix id selectors in the css.

---

What this library doesn't do currently

• Add vendor prefixes
• Attribute selectors are not prefixed eg. [class=*"the-class-name"]

Credits

• To the author of grunt-css-prefix

Development

• Pull requests are welcome
• Only one commit will be accepted into master, please squash commits

Release History

• 0.1.0: initial usage
• 0.1.1: documentation update
• 0.1.2: documentation update
• 0.1.3: npm publish cleanup