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diff --git a/node_modules/@csstools/postcss-oklab-function/README.md b/node_modules/@csstools/postcss-oklab-function/README.md new file mode 100644 index 00000000..6543b063 --- /dev/null +++ b/node_modules/@csstools/postcss-oklab-function/README.md @@ -0,0 +1,169 @@ +# PostCSS OKLab Function [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS Logo" width="90" height="90" align="right">][postcss] + +[<img alt="npm version" src="https://img.shields.io/npm/v/@csstools/postcss-oklab-function.svg" height="20">][npm-url] +[<img alt="CSS Standard Status" src="https://cssdb.org/images/badges/oklab-function.svg" height="20">][css-url] +[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/workflows/test/badge.svg" height="20">][cli-url] +[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord] + +[PostCSS OKLab Function] lets you use `oklab` and `oklch` color functions in +CSS, following the [CSS Color] specification. + +```pcss +.test-oklab { + color: oklab(40% 0.001236 0.0039); +} + +.test-oklch { + color: oklch(40% 0.268735435 34.568626); +} + +/* becomes */ + +.test-oklab { + color: rgb(73, 71, 69); + color: color(display-p3 0.28515 0.27983 0.27246); +} + +.test-oklch { + color: rgb(131, 28, 0); + color: color(display-p3 0.49163 0.11178 0.00000); +} +``` + +## Usage + +Add [PostCSS OKLab Function] to your project: + +```bash +npm install postcss @csstools/postcss-oklab-function --save-dev +``` + +Use it as a [PostCSS] plugin: + +```js +const postcss = require('postcss'); +const postcssOKLabFunction = require('@csstools/postcss-oklab-function'); + +postcss([ + postcssOKLabFunction(/* pluginOptions */) +]).process(YOUR_CSS /*, processOptions */); +``` + +[PostCSS OKLab Function] runs in all Node environments, with special +instructions for: + +| [Node](INSTALL.md#node) | [PostCSS CLI](INSTALL.md#postcss-cli) | [Webpack](INSTALL.md#webpack) | [Gulp](INSTALL.md#gulp) | [Grunt](INSTALL.md#grunt) | +| --- | --- | --- | --- | --- | + +## Options + +### preserve + +The `preserve` option determines whether the original notation +is preserved. By default, it is not preserved. + +```js +postcssOKLabFunction({ preserve: true }) +``` + +```pcss +.test-oklab { + color: oklab(40% 0.001236 0.0039); +} + +.test-oklch { + color: oklch(40% 0.268735435 34.568626); +} + +/* becomes */ + +.test-oklab { + color: rgb(73, 71, 69); + color: color(display-p3 0.28515 0.27983 0.27246); + color: oklab(40% 0.001236 0.0039); +} + +.test-oklch { + color: rgb(131, 28, 0); + color: color(display-p3 0.49163 0.11178 0.00000); + color: oklch(40% 0.268735435 34.568626); +} +``` + +### enableProgressiveCustomProperties + +The `enableProgressiveCustomProperties` option determines whether the original notation +is wrapped with `@supports` when used in Custom Properties. By default, it is enabled. + +⚠️ We only recommend disabling this when you set `preserve` to `false` or if you bring your own fix for Custom Properties. See what the plugin does in its [README](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties#readme). + +```js +postcssOKLabFunction({ enableProgressiveCustomProperties: false }) +``` + +```pcss +:root { + --firebrick: oklab(40% 0.234 0.39); +} + +/* becomes */ + +:root { + --firebrick: rgb(133, 0, 67); /* will never be used, not even in older browser */ + --firebrick: color(display-p3 0.49890 0.00000 0.25954); /* will never be used, not even in older browser */ + --firebrick: oklab(40% 0.234 0.39); +} +``` + +### subFeatures + +#### displayP3 + +The `subFeatures.displayP3` option determines if `color(display-p3 ...)` is used as a fallback.<br> +By default, it is enabled. + +`display-p3` can display wider gamut colors than `rgb` on some devices. + +```js +postcssOKLabFunction({ + subFeatures: { + displayP3: false + } +}) +``` + +```pcss +.test-oklab { + color: oklab(40% 0.001236 0.0039); +} + +.test-oklch { + color: oklch(40% 0.268735435 34.568626); +} + +/* becomes */ + +.test-oklab { + color: rgb(73, 71, 69); +} + +.test-oklch { + color: rgb(131, 28, 0); +} +``` + +## Copyright : color conversions + +This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/tree/main/css-color-4. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang). + +[cli-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test +[css-url]: https://cssdb.org/#oklab-function +[discord]: https://discord.gg/bUadyRwkJS +[npm-url]: https://www.npmjs.com/package/@csstools/postcss-oklab-function + +[CSS Color]: https://www.w3.org/TR/css-color-4/#specifying-oklab-oklch +[Gulp PostCSS]: https://github.com/postcss/gulp-postcss +[Grunt PostCSS]: https://github.com/nDmitry/grunt-postcss +[PostCSS]: https://github.com/postcss/postcss +[PostCSS Loader]: https://github.com/postcss/postcss-loader +[PostCSS OKLab Function]: https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-oklab-function |
