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https://github.com/yuezk/postcss-filter-gradient
PostCSS plugin for generating the old IE supported filter gradients.
https://github.com/yuezk/postcss-filter-gradient
css-gradient ie8-gradient postcss
Last synced: about 2 months ago
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PostCSS plugin for generating the old IE supported filter gradients.
- Host: GitHub
- URL: https://github.com/yuezk/postcss-filter-gradient
- Owner: yuezk
- License: mit
- Created: 2015-11-12T01:04:05.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2021-05-11T18:34:31.000Z (over 3 years ago)
- Last Synced: 2024-05-23T01:31:22.563Z (7 months ago)
- Topics: css-gradient, ie8-gradient, postcss
- Language: JavaScript
- Homepage: https://npmjs.com/postcss-filter-gradient
- Size: 49.8 KB
- Stars: 16
- Watchers: 4
- Forks: 5
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
README
# PostCSS Filter Gradient
[PostCSS] plugin for generating the old IE supported filter gradient.
[![Build Status][ci-img]][ci]
[![Coverage Status][co-img]][co]
[PostCSS]: https://github.com/postcss/postcss
[ci-img]: https://travis-ci.org/yuezk/postcss-filter-gradient.svg
[ci]: https://travis-ci.org/yuezk/postcss-filter-gradient
[co-img]: https://coveralls.io/repos/github/yuezk/postcss-filter-gradient/badge.svg?branch=master
[co]: https://coveralls.io/github/yuezk/postcss-filter-gradient?branch=master
```css
.foo {
/* Input example */
background: linear-gradient(to bottom, #1e5799, #7db9e8);
}
```
```css
.foo {
/* Output example */
background: linear-gradient(to bottom, #1e5799, #7db9e8);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff1e5799', endColorstr='#ff7db9e8', GradientType=0);
}
```
## Install
For `postcss 6.x`:
```sh
npm install postcss-filter-gradient --save-dev
```
and for `postcss 5.x`
```sh
npm install [email protected] --save-dev
```
## Usage
```js
postcss([ require('postcss-filter-gradient') ])
```
## Options
### angleFallback
Default: `true`
IE filter doesn't support angular gradient. By default, when processing the angular gradient,
we will convert the angle to its closest direction. You can disable this feature by setting this option to `false`.
### skipMultiColor
Default: `false`
If set to `true`, we will not handle the rules which have multi color stops. It is useful when you want use a
background color as fallback.
### skipWarnings
Default: `false`
If set to `true`, all warnings will be suppressed.
## Limitation
The IE filter gradient only support horizontal and vertical directions, and only support two colors. So, if there are more
than two colors in the color stops, we only pick the first and the last one. You can skip it by setting
`option.skipMultiColor` to `true`.
## FAQ
### Does it support legacy gradient syntax?
No. We only transform the standard `linear-gradient` syntax.
You can use the [postcss-gradientfixer][postcss-gradientfixer] to unprefix it first.
### Does it support angluar gradient?
Yes. This plugin only support `deg` unit. It will convert angular to the closest direction. For example, it convert `90deg` to `right`
and convert `10deg` to `top`, positive angluar are also supported.
See [PostCSS] docs for examples for your environment.
## [CHANGELOG](CHANGELOG.md)
## LICENSE
[MIT](LICENSE)
[postcss-gradientfixer]: https://github.com/hallvors/postcss-gradientfixer