110 lines
2.8 KiB
Markdown
110 lines
2.8 KiB
Markdown
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# PostCSS Logical Overflow [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS Logo" width="90" height="90" align="right">][PostCSS]
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[<img alt="npm version" src="https://img.shields.io/npm/v/@csstools/postcss-logical-overflow.svg" height="20">][npm-url] [<img alt="CSS Standard Status" src="https://cssdb.org/images/badges/logical-overflow.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]
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```bash
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npm install @csstools/postcss-logical-overflow --save-dev
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```
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[PostCSS Logical Overflow] lets you use `overflow-inline` and `overflow-block` properties following the [CSS Overflow Specification].
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```pcss
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.inline {
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overflow-inline: clip;
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}
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.block {
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overflow-block: scroll;
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}
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/* becomes */
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.inline {
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overflow-x: clip;
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}
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.block {
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overflow-y: scroll;
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}
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```
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## Usage
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Add [PostCSS Logical Overflow] to your project:
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```bash
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npm install postcss @csstools/postcss-logical-overflow --save-dev
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```
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Use it as a [PostCSS] plugin:
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```js
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const postcss = require('postcss');
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const postcssLogicalOverflow = require('@csstools/postcss-logical-overflow');
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postcss([
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postcssLogicalOverflow(/* pluginOptions */)
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]).process(YOUR_CSS /*, processOptions */);
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```
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[PostCSS Logical Overflow] runs in all Node environments, with special
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instructions for:
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- [Node](INSTALL.md#node)
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- [PostCSS CLI](INSTALL.md#postcss-cli)
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- [PostCSS Load Config](INSTALL.md#postcss-load-config)
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- [Webpack](INSTALL.md#webpack)
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- [Next.js](INSTALL.md#nextjs)
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- [Gulp](INSTALL.md#gulp)
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- [Grunt](INSTALL.md#grunt)
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## Options
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### inlineDirection
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The `inlineDirection` option allows you to specify the direction of the inline axe. The default value is `left-to-right`, which would match any latin language.
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**You should tweak this value so that it is specific to your language and writing mode.**
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```js
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postcssLogicalOverflow({
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inlineDirection: 'top-to-bottom'
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})
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```
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```pcss
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.inline {
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overflow-inline: clip;
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}
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.block {
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overflow-block: scroll;
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}
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/* becomes */
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.inline {
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overflow-y: clip;
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}
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.block {
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overflow-x: scroll;
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}
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```
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Each direction must be one of the following:
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- `top-to-bottom`
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- `bottom-to-top`
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- `left-to-right`
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- `right-to-left`
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[cli-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test
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[css-url]: https://cssdb.org/#logical-overflow
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[discord]: https://discord.gg/bUadyRwkJS
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[npm-url]: https://www.npmjs.com/package/@csstools/postcss-logical-overflow
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[PostCSS]: https://github.com/postcss/postcss
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[PostCSS Logical Overflow]: https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-overflow
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[CSS Overflow Specification]: https://www.w3.org/TR/css-overflow-3/#overflow-control
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