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Tim van der Lippe
efb716af67
- Updates stylelint to 13.8.0 - Updates ESLint to 7.14.0 - Updates @typescript-eslint to 4.9.0 DISABLE_THIRD_PARTY_CHECK=NPM update R=jacktfranklin@chromium.org Change-Id: I207e204607ede782710e042c17d6510c7f696905 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2566806 Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
92 lines
2.8 KiB
Markdown
92 lines
2.8 KiB
Markdown
# PostCSS CSS-in-JS Syntax
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[](https://www.npmjs.org/package/@stylelint/postcss-css-in-js) [](https://github.com/stylelint/postcss-css-in-js/actions)
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<img align="right" width="95" height="95"
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title="Philosopher’s stone, logo of PostCSS"
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src="https://api.postcss.org/logo.svg">
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[PostCSS](https://github.com/postcss/postcss) syntax for parsing [CSS in JS](https://github.com/MicheleBertoli/css-in-js) literals:
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- [aphrodite](https://github.com/Khan/aphrodite)
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- [astroturf](https://github.com/4Catalyzer/astroturf)
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- [csjs](https://github.com/rtsao/csjs)
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- [css-light](https://github.com/streamich/css-light)
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- [cssobj](https://github.com/cssobj/cssobj)
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- [electron-css](https://github.com/azukaar/electron-css)
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- [emotion](https://github.com/emotion-js/emotion)
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- [freestyler](https://github.com/streamich/freestyler)
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- [glamor](https://github.com/threepointone/glamor)
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- [glamorous](https://github.com/paypal/glamorous)
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- [j2c](https://github.com/j2css/j2c)
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- [linaria](https://github.com/callstack/linaria)
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- [lit-css](https://github.com/bashmish/lit-css)
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- [react-native](https://github.com/necolas/react-native-web)
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- [react-style](https://github.com/js-next/react-style)
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- [reactcss](https://github.com/casesandberg/reactcss)
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- [styled-components](https://github.com/styled-components/styled-components)
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- [styletron-react](https://github.com/rtsao/styletron)
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- [styling](https://github.com/andreypopp/styling)
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- [typestyle](https://github.com/typestyle/typestyle)
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## Getting Started
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First thing's first, install the module:
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```
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npm install postcss-syntax @stylelint/postcss-css-in-js --save-dev
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```
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## Use Cases
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```js
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const postcss = require("postcss");
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const stylelint = require("stylelint");
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const syntax = require("postcss-syntax");
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postcss([stylelint({ fix: true })])
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.process(source, { syntax: syntax })
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.then(function (result) {
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// An alias for the result.css property. Use it with syntaxes that generate non-CSS output.
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result.content;
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});
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```
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input:
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```javascript
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import glm from "glamorous";
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const Component1 = glm.a({
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flexDirectionn: "row",
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display: "inline-block",
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color: "#fff"
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});
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```
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output:
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```javascript
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import glm from "glamorous";
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const Component1 = glm.a({
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color: "#fff",
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display: "inline-block",
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flexDirectionn: "row"
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});
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```
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## Advanced Use Cases
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Add support for more `css-in-js` package:
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```js
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const syntax = require("postcss-syntax")({
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"i-css": (index, namespace) => namespace[index + 1] === "addStyles",
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"styled-components": true
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});
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```
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See: [postcss-syntax](https://github.com/gucong3000/postcss-syntax)
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## Style Transformations
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The main use case of this plugin is to apply PostCSS transformations to CSS code in template literals & styles as object literals.
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