mirror of
https://github.com/ant-design/ant-design.git
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5f1dd427df
* feat: css variables theme * chore: temp * chore temp * chore: temp * chore: temp * chore: tmp * chore: temp * feat: full css variables * feat: css var * chore: code clean * chore: code clean * chore: bump cssinjs * test: fix lint * feat: better key logic * feat: useStyle add param rootCls for cssVar scope * chore: fix lint * chore: code clean * chore: fix lint * perf: minimize component token size * chore: make useId compatible * chore: code clean * chore: fix lint * chore: code clean * chore: update test case * feat: genCSSVarRegister * feat: RPN Calculator * chore: add test for css var * chore: code clean * test: add test for calc * feat: better calc type * chore: code clean * chore: update size limit * feat: better useCSSVar * chore: better useCSSVar * test: add cov * feat: better calc logic * test: add test case * chore: code clean --------- Signed-off-by: MadCcc <madccc@foxmail.com>
150 lines
4.8 KiB
Markdown
150 lines
4.8 KiB
Markdown
---
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group:
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title: Advanced
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order: 1
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title: CSS Compatible
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---
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Ant Design supports the last 2 versions of modern browsers. If you need to be compatible with legacy browsers, please perform downgrade processing according to actual needs:
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## StyleProvider
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Please ref [`@ant-design/cssinjs`](https://github.com/ant-design/cssinjs#styleprovider).
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## Compatible adjustment
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The CSS-in-JS feature of Ant Design uses the ":where" selector by default to lower the CSS selector specificity, reducing the additional cost of adjusting custom styles when upgrading for users. However, the compatibility of the ":where" syntax is relatively poor in older browsers ([compatibility](https://developer.mozilla.org/en-US/docs/Web/CSS/:where#browser_compatibility)). In certain scenarios, if you need to support older browsers (or encounter priority conflicts like TailwindCSS), you can use `@ant-design/cssinjs` to disable the default lowering of specificity (please ensure version consistency with antd).
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```tsx
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import { StyleProvider } from '@ant-design/cssinjs';
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// Config `hashPriority` to `high` instead of default `low`
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// Which will remove `:where` wrapper
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export default () => (
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<StyleProvider hashPriority="high">
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<MyApp />
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</StyleProvider>
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);
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```
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It will turn `:where` to class selector:
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```diff
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-- :where(.css-bAMboO).ant-btn {
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++ .css-bAMboO.ant-btn {
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color: #fff;
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}
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```
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Note: After turning off the `:where` downgrade, you may need to manually adjust the priority of some styles. Or you can **use PostCSS plugin** to raise application css selector priority. PostCSS provides many plugins can help on this. e.g:
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- [postcss-scopify](https://www.npmjs.com/package/postcss-scopify)
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- [postcss-increase-specificity](https://www.npmjs.com/package/postcss-increase-specificity)
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- [postcss-add-root-selector](https://www.npmjs.com/package/postcss-add-root-selector)
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Raise priority through plugin:
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```diff
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-- .my-btn {
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++ #root .my-btn {
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background: red;
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}
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```
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## CSS Logical Properties
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To unify LTR and RTL styles, Ant Design uses CSS logical properties. For example, the original `margin-left` is replaced by `margin-inline-start`, so that it is the starting position spacing under both LTR and RTL. If you need to be compatible with older browsers, you can configure `transformers` through the `StyleProvider` of `@ant-design/cssinjs`:
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```tsx
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import { legacyLogicalPropertiesTransformer, StyleProvider } from '@ant-design/cssinjs';
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// `transformers` provides a way to transform CSS properties
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export default () => (
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<StyleProvider transformers={[legacyLogicalPropertiesTransformer]}>
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<MyApp />
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</StyleProvider>
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);
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```
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When toggled, styles will downgrade CSS logical properties:
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```diff
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.ant-modal-root {
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-- inset: 0;
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++ top: 0;
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++ right: 0;
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++ bottom: 0;
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++ left: 0;
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}
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```
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## Rem Adaptation
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In responsive web development, there is a need for a convenient and flexible way to achieve page adaptation and responsive design. The `px2remTransformer` transformer can quickly and accurately convert pixel units in style sheets to rem units relative to the root element (HTML tag), enabling the implementation of adaptive and responsive layouts.
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```tsx
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import { px2remTransformer, StyleProvider } from '@ant-design/cssinjs';
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const px2rem = px2remTransformer({
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rootValue: 32, // 32px = 1rem; @default 16
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});
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export default () => (
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<StyleProvider transformers={[px2rem]}>
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<MyApp />
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</StyleProvider>
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);
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```
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The resulting transformed styles:
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```diff
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.px2rem-box {
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- width: 400px;
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+ width: 12.5rem;
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background-color: green;
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- font-size: 32px;
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+ font-size: 1rem;
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border: 10PX solid #f0f;
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}
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@media only screen and (max-width: 600px) {
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.px2rem-box {
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background-color: red;
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- margin: 10px;
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+ margin: 0.3125rem;
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}
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}
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```
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### Options
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<!-- prettier-ignore -->
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| Parameter | Description | Type | Default |
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| --- | --- | --- | --- |
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| rootValue | Font size of the root element | `number` | 16 |
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| precision | Decimal places for the converted value | `number` | 5 |
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| mediaQuery | Whether to convert px in media queries | `boolean` | false |
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For more details, please refer to: [px2rem.ts#Options](https://github.com/ant-design/cssinjs/blob/master/src/transformers/px2rem.ts)
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## Shadow DOM Usage
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Since `<style />` tag insertion is different from normal DOM in Shadow DOM scenario, you need to use `StyleProvider` of `@ant-design/cssinjs` to configure the `container` property to set the insertion position:
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```tsx
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import { StyleProvider } from '@ant-design/cssinjs';
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import { createRoot } from 'react-dom/client';
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const shadowRoot = someEle.attachShadow({ mode: 'open' });
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const container = document.createElement('div');
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shadowRoot.appendChild(container);
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const root = createRoot(container);
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root.render(
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<StyleProvider container={shadowRoot}>
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<MyApp />
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</StyleProvider>,
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);
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```
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