优化移动设备体验
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tianyaxiang
parent
e7d5c59140
commit
ae9ecdfa4b
@ -1,11 +1,6 @@
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import { marked, type Tokens } from 'marked'
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import { Marked } from 'marked'
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import type { CSSProperties } from 'react'
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// 配置 marked 选项
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marked.setOptions({
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gfm: true,
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breaks: true
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})
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import type { Tokens } from 'marked'
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// 将 React CSSProperties 转换为 CSS 字符串
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function cssPropertiesToString(style: React.CSSProperties = {}): string {
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@ -43,129 +38,144 @@ function baseStylesToString(base: RendererOptions['base'] = {}): string {
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return styles.join(';')
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}
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// 预处理函数
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function preprocessMarkdown(markdown: string): string {
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// 处理 ** 语法，但排除已经是 HTML 的部分
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return markdown.replace(/(?<!<[^>]*)\*\*([^*]+)\*\*(?![^<]*>)/g, '<strong>$1</strong>')
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}
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// Initialize marked instance
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const marked = new Marked()
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// 创建基础渲染器
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const baseRenderer = new marked.Renderer()
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// 重写 strong 渲染器
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baseRenderer.strong = function(text) {
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return `<strong>${text}</strong>`
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}
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// 应用配置和渲染器
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marked.setOptions({
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gfm: true,
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breaks: true,
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async: false,
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pedantic: false,
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renderer: baseRenderer
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})
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export function convertToWechat(markdown: string, options: RendererOptions = {}): string {
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const renderer = new marked.Renderer()
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// 标题渲染
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renderer.heading = ({ text, depth }: Tokens.Heading) => {
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// 预处理 markdown
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markdown = preprocessMarkdown(markdown)
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// 创建渲染器
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const customRenderer = new marked.Renderer()
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// 继承基础渲染器
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Object.setPrototypeOf(customRenderer, baseRenderer)
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customRenderer.heading = function({ text, depth }: Tokens.Heading) {
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const style = options.block?.[`h${depth}` as keyof typeof options.block]
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const styleStr = cssPropertiesToString(style)
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return `<h${depth}${styleStr ? ` style="${styleStr}"` : ''}>${text}</h${depth}>`
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}
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// 段落渲染
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renderer.paragraph = (text) => {
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customRenderer.paragraph = function({ text }: Tokens.Paragraph) {
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const style = options.block?.p
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const styleStr = cssPropertiesToString(style)
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const content = typeof text === 'object' ? (text.text || text.toString()) : text
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return `<p${styleStr ? ` style="${styleStr}"` : ''}>${content}</p>`
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return `<p${styleStr ? ` style="${styleStr}"` : ''}>${text}</p>`
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}
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// 引用渲染
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renderer.blockquote = (quote) => {
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customRenderer.blockquote = function({ text }: Tokens.Blockquote) {
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const style = options.block?.blockquote
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const styleStr = cssPropertiesToString(style)
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const content = typeof quote === 'object' ? (quote.text || quote.toString()) : quote
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return `<blockquote${styleStr ? ` style="${styleStr}"` : ''}>${content}</blockquote>`
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return `<blockquote${styleStr ? ` style="${styleStr}"` : ''}>${text}</blockquote>`
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}
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// 代码块渲染
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renderer.code = ({ text, lang = '' }: { text: string; lang?: string }) => {
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customRenderer.code = function({ text, lang }: Tokens.Code) {
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const style = options.block?.code_pre
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const styleStr = cssPropertiesToString(style)
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return `<pre${styleStr ? ` style="${styleStr}"` : ''}><code class="language-${lang}">${text}</code></pre>`
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return `<pre${styleStr ? ` style="${styleStr}"` : ''}><code class="language-${lang || ''}">${text}</code></pre>`
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}
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// 行内代码渲染
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renderer.codespan = (code) => {
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customRenderer.codespan = function({ text }: Tokens.Codespan) {
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const style = options.inline?.codespan
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const styleStr = cssPropertiesToString(style)
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return `<code${styleStr ? ` style="${styleStr}"` : ''}>${code}</code>`
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return `<code${styleStr ? ` style="${styleStr}"` : ''}>${text}</code>`
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}
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// 强调（斜体）渲染
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renderer.em = (text) => {
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customRenderer.em = function({ text }: Tokens.Em) {
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const style = options.inline?.em
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const styleStr = cssPropertiesToString(style)
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return `<em${styleStr ? ` style="${styleStr}"` : ''}>${text}</em>`
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}
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// 加粗渲染
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renderer.strong = (text) => {
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customRenderer.strong = function({ text }: Tokens.Strong) {
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const style = options.inline?.strong
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const styleStr = cssPropertiesToString(style)
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return `<strong${styleStr ? ` style="${styleStr}"` : ''}>${text}</strong>`
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}
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// 链接渲染
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renderer.link = ({ href, title, tokens }: Tokens.Link) => {
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customRenderer.link = function({ href, title, text }: Tokens.Link) {
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const style = options.inline?.link
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const styleStr = cssPropertiesToString(style)
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const text = tokens?.map(t => 'text' in t ? t.text : '').join('') || ''
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return `<a href="${href}"${title ? ` title="${title}"` : ''}${styleStr ? ` style="${styleStr}"` : ''}>${text}</a>`
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}
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// 图片渲染
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renderer.image = ({ href, title, text }: Tokens.Image) => {
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customRenderer.image = function({ href, title, text }: Tokens.Image) {
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const style = options.block?.image
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const styleStr = cssPropertiesToString(style)
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return `<img src="${href}"${title ? ` title="${title}"` : ''} alt="${text}"${styleStr ? ` style="${styleStr}"` : ''} />`
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}
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// 列表渲染
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renderer.list = (token: Tokens.List) => {
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const tag = token.ordered ? 'ol' : 'ul'
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const style = options.block?.[token.ordered ? 'ol' : 'ul']
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customRenderer.list = function(body: Tokens.List) {
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const ordered = body.ordered
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const tag = ordered ? 'ol' : 'ul'
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const style = options.block?.[ordered ? 'ol' : 'ul']
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const styleStr = cssPropertiesToString(style)
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return `<${tag}${styleStr ? ` style="${styleStr}"` : ''}>${token.items.map(item => item.text).join('')}</${tag}>`
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return `<${tag}${styleStr ? ` style="${styleStr}"` : ''}>${body.raw}</${tag}>`
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}
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// 列表项渲染
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renderer.listitem = (text) => {
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customRenderer.listitem = function(item: Tokens.ListItem) {
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const style = options.inline?.listitem
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const styleStr = cssPropertiesToString(style)
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return `<li${styleStr ? ` style="${styleStr}"` : ''}>${text}</li>`
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return `<li${styleStr ? ` style="${styleStr}"` : ''}>${item.text}</li>`
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}
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marked.use({ renderer })
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// Convert Markdown to HTML using the custom renderer
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const html = marked.parse(markdown, { renderer: customRenderer }) as string
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// 转换 Markdown 为 HTML
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const html = marked.parse(markdown, { async: false }) as string
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// 应用基础样式
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// Apply base styles
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const baseStyles = baseStylesToString(options.base)
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return baseStyles ? `<div style="${baseStyles}">${html}</div>` : html
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}
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// 转换为小红书格式
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export function convertToXiaohongshu(markdown: string): string {
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// 配置小红书特定的样式
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const xiaohongshuRenderer = new marked.Renderer()
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// 预处理 markdown
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markdown = preprocessMarkdown(markdown)
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xiaohongshuRenderer.heading = ({ text, depth }: Tokens.Heading) => {
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const renderer = new marked.Renderer()
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// 自定义渲染规则
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renderer.heading = function({ text, depth }: Tokens.Heading) {
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const fontSize = {
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1: '20px',
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2: '18px',
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3: '16px',
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4: '15px',
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5: '14px',
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6: '14px'
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}[depth]
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[1]: '20px',
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[2]: '18px',
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[3]: '16px',
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[4]: '15px',
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[5]: '14px',
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[6]: '14px'
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}[depth] || '14px'
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return `<h${depth} style="margin-top: 25px; margin-bottom: 12px; font-weight: bold; font-size: ${fontSize}; color: #222;">${text}</h${depth}>`
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}
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xiaohongshuRenderer.paragraph = (text) => {
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renderer.paragraph = function({ text }: Tokens.Paragraph) {
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return `<p style="margin-bottom: 16px; line-height: 1.6; font-size: 15px; color: #222;">${text}</p>`
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}
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marked.setOptions({ renderer: xiaohongshuRenderer })
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let html = marked(markdown)
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html = `<div style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif; color: #222; line-height: 1.6;">${html}</div>`
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return html
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// 使用自定义渲染器转换 Markdown
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return marked.parse(markdown, { renderer }) as string
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}
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type RendererOptions = {
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