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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,40 @@ | ||
| import React, { Suspense } from 'react'; | ||
| import type { IPreviewerProps } from 'dumi'; | ||
| import { Skeleton, Alert } from 'antd'; | ||
| import { createStyles } from 'antd-style'; | ||
|
|
||
| const { ErrorBoundary } = Alert; | ||
|
|
||
| const Previewer = React.lazy(() => import('./Previewer')); | ||
|
|
||
| export default (props: IPreviewerProps) => ( | ||
| <Suspense fallback={null}> | ||
| <Previewer {...props} /> | ||
| </Suspense> | ||
| ); | ||
| const useStyle = createStyles(({ css }) => ({ | ||
| skeletonWrapper: css` | ||
| width: 100% !important; | ||
| height: 500px; | ||
| margin-bottom: 16px; | ||
| `, | ||
| })); | ||
|
|
||
| export default (props: IPreviewerProps) => { | ||
| const { styles } = useStyle(); | ||
| return ( | ||
| <ErrorBoundary> | ||
| <Suspense | ||
| fallback={ | ||
| <Skeleton.Node | ||
| active | ||
| className={styles.skeletonWrapper} | ||
| style={{ | ||
| width: '100%', | ||
| height: '100%', | ||
| }} | ||
| > | ||
| {' '} | ||
| </Skeleton.Node> | ||
| } | ||
| > | ||
| <Previewer {...props} /> | ||
| </Suspense> | ||
| </ErrorBoundary> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,37 +1,101 @@ | ||
| import React from 'react'; | ||
| import React, { useEffect, useMemo } from 'react'; | ||
| import Prism from 'prismjs'; | ||
| import toReactElement from 'jsonml-to-react-element'; | ||
| import JsonML from 'jsonml.js/lib/utils'; | ||
| import { Tabs } from 'antd'; | ||
|
|
||
| const LANGS = { | ||
| tsx: 'TypeScript', | ||
| jsx: 'JavaScript', | ||
| style: 'CSS', | ||
| }; | ||
|
|
||
| interface CodePreviewProps { | ||
| codes?: Record<PropertyKey, string>; | ||
| toReactComponent?: (node: any) => React.ReactNode; | ||
| sourceCode?: string; | ||
| jsxCode?: string; | ||
| styleCode?: string; | ||
| onCodeTypeChange?: (activeKey: string) => void; | ||
| } | ||
|
|
||
| const CodePreview: React.FC<CodePreviewProps> = ({ toReactComponent, codes, onCodeTypeChange }) => { | ||
| const langList = Object.keys(codes).sort().reverse(); | ||
| function toReactComponent(jsonML: any) { | ||
| return toReactElement(jsonML, [ | ||
| [ | ||
| (node: any) => JsonML.isElement(node) && JsonML.getTagName(node) === 'pre', | ||
| (node: any, index: any) => { | ||
| // ref: https://github.com/benjycui/bisheng/blob/master/packages/bisheng/src/bisheng-plugin-highlight/lib/browser.js#L7 | ||
| const attr = JsonML.getAttributes(node); | ||
| return React.createElement( | ||
| 'pre', | ||
| { | ||
| key: index, | ||
| className: `language-${attr.lang}`, | ||
| }, | ||
| React.createElement('code', { | ||
| dangerouslySetInnerHTML: { __html: attr.highlighted }, | ||
| }), | ||
| ); | ||
| }, | ||
| ], | ||
| ]); | ||
| } | ||
|
|
||
| const CodePreview: React.FC<CodePreviewProps> = ({ | ||
| sourceCode = '', | ||
| jsxCode = '', | ||
| styleCode = '', | ||
| onCodeTypeChange, | ||
| }) => { | ||
| // 避免 Tabs 数量不稳定的闪动问题 | ||
| const initialCodes = {}; | ||
| if (sourceCode) { | ||
| initialCodes.tsx = ''; | ||
| } | ||
| if (jsxCode) { | ||
| initialCodes.jsx = ''; | ||
| } | ||
| if (styleCode) { | ||
| initialCodes.style = ''; | ||
| } | ||
| const [highlightedCodes, setHighlightedCodes] = React.useState(initialCodes); | ||
|
|
||
| useEffect(() => { | ||
| const codes = { | ||
| tsx: Prism.highlight(sourceCode, Prism.languages.javascript, 'jsx'), | ||
| jsx: Prism.highlight(jsxCode, Prism.languages.javascript, 'jsx'), | ||
| style: Prism.highlight(styleCode, Prism.languages.css, 'css'), | ||
| }; | ||
| // 去掉空的代码类型 | ||
| Object.keys(codes).forEach((key) => { | ||
| if (!codes[key]) { | ||
| delete codes[key]; | ||
| } | ||
| }); | ||
| setHighlightedCodes(codes); | ||
| }, [jsxCode, sourceCode, styleCode]); | ||
|
|
||
| const langList = Object.keys(highlightedCodes); | ||
| const items = useMemo( | ||
| () => | ||
| langList.map((lang) => ({ | ||
| label: LANGS[lang], | ||
| key: lang, | ||
| children: toReactComponent(['pre', { lang, highlighted: highlightedCodes[lang] }]), | ||
| })), | ||
| [JSON.stringify(highlightedCodes)], | ||
| ); | ||
|
|
||
| if (!langList.length) { | ||
| return null; | ||
| } | ||
|
|
||
| if (langList.length === 1) { | ||
| return toReactComponent([ | ||
| 'pre', | ||
| { lang: langList[0], highlighted: codes[langList[0]], className: 'highlight' }, | ||
| { lang: langList[0], highlighted: highlightedCodes[langList[0]], className: 'highlight' }, | ||
| ]); | ||
| } | ||
| return ( | ||
| <Tabs | ||
| centered | ||
| className="highlight" | ||
| onChange={onCodeTypeChange} | ||
| items={langList.map((lang) => ({ | ||
| label: LANGS[lang], | ||
| key: lang, | ||
| children: toReactComponent(['pre', { lang, highlighted: codes[lang] }]), | ||
| }))} | ||
| /> | ||
| ); | ||
|
|
||
| return <Tabs centered className="highlight" onChange={onCodeTypeChange} items={items} />; | ||
| }; | ||
|
|
||
| export default CodePreview; |
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