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1# PostCSS Double Position Gradients [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS" width="90" height="90" align="right">][postcss]
2
3[![NPM Version][npm-img]][npm-url]
4[![Build Status][cli-img]][cli-url]
5[![Support Chat][git-img]][git-url]
6
7[PostCSS Double Position Gradients] lets you use double-position gradients in
8CSS, following the [CSS Image Values and Replaced Content] specification.
9
10```pcss
11.linear-gradient {
12 background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
13}
14
15.conic-gradient {
16 background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
17}
18
19/* becomes */
20
21.linear-gradient {
22 background-image: linear-gradient(90deg, black 25%, black 50%, blue 50%, blue 75%);
23 background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
24}
25
26.conic-gradient {
27 background-image: conic-gradient(yellowgreen 40%, gold 0deg, gold 75%, #f06 0deg);
28 background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
29}
30```
31
32## Usage
33
34Add [PostCSS Double Position Gradients] to your project:
35
36```bash
37npm install postcss-double-position-gradients --save-dev
38```
39
40Use [PostCSS Double Position Gradients] to process your CSS:
41
42```js
43const postcssDoublePositionGradients = require('postcss-double-position-gradients');
44
45postcssDoublePositionGradients.process(YOUR_CSS /*, processOptions, pluginOptions */);
46```
47
48Or use it as a [PostCSS] plugin:
49
50```js
51const postcss = require('postcss');
52const postcssDoublePositionGradients = require('postcss-double-position-gradients');
53
54postcss([
55 postcssDoublePositionGradients(/* pluginOptions */)
56]).process(YOUR_CSS /*, processOptions */);
57```
58
59[PostCSS Double Position Gradients] runs in all Node environments, with special instructions for:
60
61| [Node](INSTALL.md#node) | [PostCSS CLI](INSTALL.md#postcss-cli) | [Webpack](INSTALL.md#webpack) | [Create React App](INSTALL.md#create-react-app) | [Gulp](INSTALL.md#gulp) | [Grunt](INSTALL.md#grunt) |
62| --- | --- | --- | --- | --- | --- |
63
64## Options
65
66### preserve
67
68The `preserve` option determines whether the original double-position gradients
69should be preserved. By default, double-position gradients are preserved.
70
71```js
72postcssDoublePositionGradients({ preserve: false })
73```
74
75```css
76.linear-gradient {
77 background-image: linear-gradient(90deg, black 25% 50%, blue 50% 75%);
78}
79
80.conic-gradient {
81 background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);
82}
83
84/* becomes */
85
86.linear-gradient {
87 background-image: linear-gradient(90deg, black 25%, black 50%, blue 50%, blue 75%);
88}
89
90.conic-gradient {
91 background-image: conic-gradient(yellowgreen 40%, gold 0deg, gold 75%, #f06 0deg);
92}
93```
94
95[cli-img]: https://img.shields.io/travis/jonathantneal/postcss-double-position-gradients/master.svg
96[cli-url]: https://travis-ci.org/jonathantneal/postcss-double-position-gradients
97[git-img]: https://img.shields.io/badge/support-chat-blue.svg
98[git-url]: https://gitter.im/postcss/postcss
99[npm-img]: https://img.shields.io/npm/v/postcss-double-position-gradients.svg
100[npm-url]: https://www.npmjs.com/package/postcss-double-position-gradients
101
102[CSS Image Values and Replaced Content]: https://www.w3.org/TR/css-images-4/#color-stop-syntax
103[PostCSS]: https://github.com/postcss/postcss
104[PostCSS Double Position Gradients]: https://github.com/jonathantneal/postcss-double-position-gradients
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