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@csstools/postcss-gradients-interpolation-method
Advanced tools
Readme
npm install @csstools/postcss-gradients-interpolation-method --save-dev
PostCSS Gradients Interpolation Method lets you use different interpolation methods in CSS gradient functions following CSS Images Module 4.
.example {
background-image: linear-gradient(in oklch, hsl(0deg 85% 75%) 0%, hsl(180deg 80% 65%) 100%);
}
:root {
--background-image: linear-gradient(in oklab, hsl(96, 42%, 24%) 0%, hsl(302, 67%, 25%) 100%);
}
/* becomes */
.example {
background-image: linear-gradient(rgb(245, 137, 137) 0%, rgb(248, 146, 114), rgb(244, 158, 94), rgb(235, 171, 82), rgb(220, 185, 81), rgb(201, 199, 95), rgb(177, 211, 118), rgb(151, 221, 146), rgb(125, 229, 177), rgb(103, 235, 208), rgb(94, 237, 237) 100%);
background-image: linear-gradient(in oklch, hsl(0deg 85% 75%) 0%, hsl(180deg 80% 65%) 100%);
}
:root {
--background-image: linear-gradient(rgb(56, 87, 35) 0%, rgb(64, 83, 46), rgb(70, 79, 54), rgb(76, 74, 62), rgb(82, 69, 68), rgb(86, 64, 75), rgb(91, 58, 81), rgb(95, 51, 87), rgb(99, 44, 93), rgb(103, 34, 98), rgb(106, 21, 104) 100%);
}
@supports (background: linear-gradient(in oklch, red 0%, red 0% 1%, red 2%)) {
:root {
--background-image: linear-gradient(in oklab, hsl(96, 42%, 24%) 0%, hsl(302, 67%, 25%) 100%);
}
}
[!CAUTION] Color stops with only a color or only an interpolation hint are not supported.
For best results you should always provide at least the color and position for each color stop. Double position color stops are supported.
.foo {
/* Only a color: can't transform */
background-image: linear-gradient(in oklch, black 0%, green, blue 100%);
/* Only an interpolation hint: can't transform */
background-image: linear-gradient(in oklch, black 0%, 25%, blue 100%);
}
[!CAUTION] Variable colors are not supported. We can not mix colors when the color is a variable.
.foo {
--red: red;
/* Color stop variable : can't transform */
background-image: linear-gradient(in oklch, black 0%, var(--red), blue 100%);
}
Add PostCSS Gradients Interpolation Method to your project:
npm install postcss @csstools/postcss-gradients-interpolation-method --save-dev
Use it as a PostCSS plugin:
const postcss = require('postcss');
const postcssGradientsInterpolationMethod = require('@csstools/postcss-gradients-interpolation-method');
postcss([
postcssGradientsInterpolationMethod(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);
PostCSS Gradients Interpolation Method runs in all Node environments, with special instructions for:
The preserve
option determines whether the original notation
is preserved. By default, it is preserved.
postcssGradientsInterpolationMethod({ preserve: false })
.example {
background-image: linear-gradient(in oklch, hsl(0deg 85% 75%) 0%, hsl(180deg 80% 65%) 100%);
}
:root {
--background-image: linear-gradient(in oklab, hsl(96, 42%, 24%) 0%, hsl(302, 67%, 25%) 100%);
}
/* becomes */
.example {
background-image: linear-gradient(rgb(245, 137, 137) 0%, rgb(248, 146, 114), rgb(244, 158, 94), rgb(235, 171, 82), rgb(220, 185, 81), rgb(201, 199, 95), rgb(177, 211, 118), rgb(151, 221, 146), rgb(125, 229, 177), rgb(103, 235, 208), rgb(94, 237, 237) 100%);
}
:root {
--background-image: linear-gradient(rgb(56, 87, 35) 0%, rgb(64, 83, 46), rgb(70, 79, 54), rgb(76, 74, 62), rgb(82, 69, 68), rgb(86, 64, 75), rgb(91, 58, 81), rgb(95, 51, 87), rgb(99, 44, 93), rgb(103, 34, 98), rgb(106, 21, 104) 100%);
}
The enableProgressiveCustomProperties
option determines whether the original notation
is wrapped with @supports
when used in Custom Properties. By default, it is enabled.
[!NOTE] We only recommend disabling this when you set
preserve
tofalse
or if you bring your own fix for Custom Properties.
See what the plugin does in its README.
postcssGradientsInterpolationMethod({ enableProgressiveCustomProperties: false })
.example {
background-image: linear-gradient(in oklch, hsl(0deg 85% 75%) 0%, hsl(180deg 80% 65%) 100%);
}
:root {
--background-image: linear-gradient(in oklab, hsl(96, 42%, 24%) 0%, hsl(302, 67%, 25%) 100%);
}
/* becomes */
.example {
background-image: linear-gradient(rgb(245, 137, 137) 0%, rgb(248, 146, 114), rgb(244, 158, 94), rgb(235, 171, 82), rgb(220, 185, 81), rgb(201, 199, 95), rgb(177, 211, 118), rgb(151, 221, 146), rgb(125, 229, 177), rgb(103, 235, 208), rgb(94, 237, 237) 100%);
background-image: linear-gradient(in oklch, hsl(0deg 85% 75%) 0%, hsl(180deg 80% 65%) 100%);
}
:root {
--background-image: linear-gradient(rgb(56, 87, 35) 0%, rgb(64, 83, 46), rgb(70, 79, 54), rgb(76, 74, 62), rgb(82, 69, 68), rgb(86, 64, 75), rgb(91, 58, 81), rgb(95, 51, 87), rgb(99, 44, 93), rgb(103, 34, 98), rgb(106, 21, 104) 100%);
--background-image: linear-gradient(in oklab, hsl(96, 42%, 24%) 0%, hsl(302, 67%, 25%) 100%);
}
Custom properties do not fallback to the previous declaration
FAQs
Use interpolation methods in CSS gradient functions
The npm package @csstools/postcss-gradients-interpolation-method receives a total of 698,988 weekly downloads. As such, @csstools/postcss-gradients-interpolation-method popularity was classified as popular.
We found that @csstools/postcss-gradients-interpolation-method demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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