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plugin.ts
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plugin.ts
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import { createHash } from 'crypto';
import fs from 'fs';
import path from 'path';
import createEmotionServer from '@emotion/server/create-instance';
import chalk from 'chalk';
import type { IApi, IRoute } from 'dumi';
import ReactTechStack from 'dumi/dist/techStacks/react';
import sylvanas from 'sylvanas';
import localPackage from '../../package.json';
function extractEmotionStyle(html: string) {
// copy from emotion ssr
// https://github.com/vercel/next.js/blob/deprecated-main/examples/with-emotion-vanilla/pages/_document.js
const styles = global.__ANTD_STYLE_CACHE_MANAGER_FOR_SSR__.getCacheList().map((cache) => {
const result = createEmotionServer(cache).extractCritical(html);
if (!result.css) return null;
const { css, ids } = result;
return {
key: cache.key,
css,
ids,
tag: `<style data-emotion="${cache.key} ${result.ids.join(' ')}">${result.css}</style>`,
};
});
return styles.filter(Boolean);
}
export const getHash = (str: string, length = 8) =>
createHash('md5').update(str).digest('hex').slice(0, length);
/**
* extends dumi internal tech stack, for customize previewer props
*/
class AntdReactTechStack extends ReactTechStack {
// eslint-disable-next-line class-methods-use-this
generatePreviewerProps(...[props, opts]: any) {
if (opts.type === 'external') {
// try to find md file with the same name as the demo tsx file
const locale = opts.mdAbsPath.match(/index\.([a-z-]+)\.md$/i)?.[1];
const mdPath = opts.fileAbsPath!.replace(/\.\w+$/, '.md');
const md = fs.existsSync(mdPath) ? fs.readFileSync(mdPath, 'utf-8') : '';
const codePath = opts.fileAbsPath!.replace(/\.\w+$/, '.tsx');
const code = fs.existsSync(codePath) ? fs.readFileSync(codePath, 'utf-8') : '';
props.pkgDependencyList = {
...localPackage.devDependencies,
...localPackage.dependencies,
};
props.jsx = sylvanas.parseText(code);
if (md) {
// extract description & css style from md file
const blocks: Record<string, string> = {};
const lines = md.split('\n');
let blockName = '';
let cacheList: string[] = [];
// Get block name
const getBlockName = (text: string) => {
if (text.startsWith('## ')) {
return text.replace('## ', '').trim();
}
if (text.startsWith('```css') || text.startsWith('<style>')) {
return 'style';
}
return null;
};
// Fill block content
const fillBlock = (name: string, lineList: string[]) => {
if (lineList.length) {
let fullText: string;
if (name === 'style') {
fullText = lineList
.join('\n')
.replace(/<\/?style>/g, '')
.replace(/```(\s*css)/g, '');
} else {
fullText = lineList.slice(1).join('\n');
}
blocks[name] = fullText;
}
};
for (let i = 0; i < lines.length; i++) {
const line = lines[i];
// Mark as new block
const nextBlockName = getBlockName(line);
if (nextBlockName) {
fillBlock(blockName, cacheList);
// Next Block
blockName = nextBlockName;
cacheList = [line];
} else {
cacheList.push(line);
}
}
// Last block
fillBlock(blockName, cacheList);
props.description = blocks[locale];
props.style = blocks.style;
}
}
return props;
}
}
const resolve = (p: string): string => require.resolve(p);
const RoutesPlugin = (api: IApi) => {
// const ssrCssFileName = `ssr-${Date.now()}.css`;
const writeCSSFile = (key: string, hashKey: string, cssString: string) => {
const fileName = `style-${key}.${getHash(hashKey)}.css`;
const filePath = path.join(api.paths.absOutputPath, fileName);
if (!fs.existsSync(filePath)) {
api.logger.event(chalk.grey(`write to: ${filePath}`));
fs.writeFileSync(filePath, cssString, 'utf8');
}
return fileName;
};
const addLinkStyle = (html: string, cssFile: string, prepend = false) => {
const prefix = api.userConfig.publicPath || api.config.publicPath;
if (prepend) {
return html.replace('<head>', `<head><link rel="stylesheet" href="${prefix + cssFile}">`);
}
return html.replace('</head>', `<link rel="stylesheet" href="${prefix + cssFile}"></head>`);
};
api.registerTechStack(() => new AntdReactTechStack());
api.modifyRoutes((routes) => {
// TODO: append extra routes, such as home, changelog, form-v3
const extraRoutesList: IRoute[] = [
{
id: 'changelog-cn',
path: 'changelog-cn',
absPath: '/changelog-cn',
parentId: 'DocLayout',
file: resolve('../../CHANGELOG.zh-CN.md'),
},
{
id: 'changelog',
path: 'changelog',
absPath: '/changelog',
parentId: 'DocLayout',
file: resolve('../../CHANGELOG.en-US.md'),
},
];
extraRoutesList.forEach((itemRoute) => {
routes[itemRoute.path] = itemRoute;
});
return routes;
});
api.modifyExportHTMLFiles((files) =>
files
// exclude dynamic route path, to avoid deploy failed by `:id` directory
.filter((f) => !f.path.includes(':'))
.map((file) => {
// 1. 提取 antd-style 样式
const styles = extractEmotionStyle(file.content);
// 2. 提取每个样式到独立 css 文件
styles.forEach((result) => {
api.logger.event(
`${chalk.yellow(file.path)} include ${chalk.blue`[${result!.key}]`} ${chalk.yellow(
result!.ids.length,
)} styles`,
);
const cssFile = writeCSSFile(result!.key, result!.ids.join(''), result!.css);
file.content = addLinkStyle(file.content, cssFile);
});
// Insert antd style to head
// const matchRegex = /<style data-type="antd-cssinjs">([\S\s]+?)<\/style>/;
// const matchList = file.content.match(matchRegex) || [];
//
// let antdStyle = '';
//
// matchList.forEach((text) => {
// file.content = file.content.replace(text, '');
// antdStyle += text.replace(matchRegex, '$1');
// });
//
// const cssFile = writeCSSFile('antd', antdStyle, antdStyle);
// file.content = addLinkStyle(file.content, cssFile, true);
//
// // Insert antd cssVar to head
// const cssVarMatchRegex = /<style data-type="antd-css-var"[\S\s]+?<\/style>/;
// const cssVarMatchList = file.content.match(cssVarMatchRegex) || [];
//
// cssVarMatchList.forEach((text) => {
// file.content = file.content.replace(text, '');
// file.content = file.content.replace('<head>', `<head>${text}`);
// });
return file;
}),
);
// add ssr css file to html
api.modifyConfig((memo) => {
memo.styles ??= [];
// memo.styles.push(`/${ssrCssFileName}`);
return memo;
});
};
export default RoutesPlugin;