diff options
Diffstat (limited to 'node_modules/postcss-unrgba/README.md')
| -rw-r--r-- | node_modules/postcss-unrgba/README.md | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/node_modules/postcss-unrgba/README.md b/node_modules/postcss-unrgba/README.md new file mode 100644 index 00000000..8e9a0c5a --- /dev/null +++ b/node_modules/postcss-unrgba/README.md @@ -0,0 +1,198 @@ +# UnRGBA [![Build Status][ci-img]][ci] + +<img align="right" width="135" height="95" src="http://postcss.github.io/postcss/logo-leftp.png" title="Philosopher’s stone, logo of PostCSS"> + +[UnRGBA] changes `rgba()` values to hex. This can be useful for outputting CSS for older browsers like Internet Explorer 8. + +```css +/* before */ + +.hero { + background: rgba(153, 221, 153, .8); + border: solid 1px rgba(100, 102, 103, .8); + border-right-color: rgba(100, 102, 103, 0); +} + +/* after */ + +.hero { + background: #99dd99; + border: solid 1px #646667; + border-right-color: transparent; +} +``` + +## Usage + +Add [UnRGBA] to your build tool: + +```bash +npm install postcss-unrgba --save-dev +``` + +#### Node + +```js +require('postcss-unrgba')({ /* options */ }).process(YOUR_CSS); +``` + +#### PostCSS + +Add [PostCSS] to your build tool: + +```bash +npm install postcss --save-dev +``` + +Load [UnRGBA] as a PostCSS plugin: + +```js +postcss([ + require('postcss-unrgba')({ /* options */ }) +]); +``` + +#### Gulp + +Add [Gulp PostCSS] to your build tool: + +```bash +npm install gulp-postcss --save-dev +``` + +Enable [UnRGBA] within your Gulpfile: + +```js +var postcss = require('gulp-postcss'); + +gulp.task('css', function () { + return gulp.src('./css/src/*.css').pipe( + postcss([ + require('postcss-unrgba')({ /* options */ }) + ]) + ).pipe( + gulp.dest('./css') + ); +}); +``` + +#### Grunt + +Add [Grunt PostCSS] to your build tool: + +```bash +npm install grunt-postcss --save-dev +``` + +Enable [UnRGBA] within your Gruntfile: + +```js +grunt.loadNpmTasks('grunt-postcss'); + +grunt.initConfig({ + postcss: { + options: { + processors: [ + require('postcss-unrgba')({ /* options */ }) + ] + }, + dist: { + src: 'css/*.css' + } + } +}); +``` + +## Options + +#### `method` + +Type: `String` +Default: `'replace'` + +##### `clone` +Copies any properties with `rgba` values to new properties using hex. +```css +/* before */ + +.hero { + background: rgba(153, 221, 153, .8); +} + +/* after */ + +.hero { + background: #99dd99; + background: rgba(153, 221, 153, .8); +} +``` + +##### `replace` +Copies any properties with `rgba` values to new properties using hex while removing the original. +```css +/* before */ + +.hero { + background: rgba(153, 221, 153, .8); +} + +/* after */ + +.hero { + background: #99dd99; +} +``` + +##### `warn` +Warns whenever a property with an `rgba` value is found. + +#### `filter` + +Type: `Boolean` +Default: `false` + +##### `true` +Uses the Internet Explorer proprietary filter to preserve alpha-transparent backgrounds. +```css +/* before */ + +.hero { + background: rgba(153, 221, 153, .8); +} + +/* after */ + +.hero { + filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#8099dd99',endColorstr='#8099dd99'); +} +``` + +##### `false` +Uses regular hexadecimal values when processing backgrounds. +```css +/* before */ + +.hero { + background: rgba(153, 221, 153, .8); +} + +/* after */ + +.hero { + background: #99dd99; +} +``` + +#### `properties` + +Type: `Array` +Default: `['background', 'background-color', 'color', 'border', 'border-bottom', 'border-bottom-color', 'border-color', 'border-left', 'border-left-color', 'border-right', 'border-right-color', 'border-top', 'border-top-color', 'outline', 'outline-color']` + +Specifies the properties on which rgba values will be processed. If a falsey value is passed then all properties will be processed. + +[ci]: https://travis-ci.org/jonathantneal/postcss-unrgba +[ci-img]: https://travis-ci.org/jonathantneal/postcss-unrgba.svg +[Gulp PostCSS]: https://github.com/postcss/gulp-postcss +[Grunt PostCSS]: https://github.com/nDmitry/grunt-postcss +[PostCSS]: https://github.com/postcss/postcss +[UnRGBA]: https://github.com/jonathantneal/postcss-unrgba |
