freefire
be47b38370
避免客户端覆盖 SSR 高亮；空行撑高；收起后 scrollIntoView 到代码块头部。 Co-authored-by: Cursor <cursoragent@cursor.com>
52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
import type { Components } from "react-markdown";
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import type { ReactElement } from "react";
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import { Fragment, jsx, jsxs } from "react/jsx-runtime";
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import { toJsxRuntime } from "hast-util-to-jsx-runtime";
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import { unified } from "unified";
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import remarkParse from "remark-parse";
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import remarkGfm from "remark-gfm";
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import remarkRehype from "remark-rehype";
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import rehypePrettyCode from "rehype-pretty-code";
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import type { Root } from "hast";
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import { mergeMarkdownComponents } from "./mergeComponents";
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export const prettyCodeOptions = {
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theme: {
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light: "github-light",
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dark: "github-dark-dimmed",
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},
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keepBackground: false,
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defaultLang: "plaintext",
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// 空行在 display:grid 下会塌缩成 0 高，补一个空格撑住行高
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onVisitLine(element: { children: unknown[] }) {
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if (element.children.length === 0) {
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element.children = [{ type: "text", value: " " }];
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}
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},
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} as const;
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/** 服务端异步管线：GFM + Shiki 双主题高亮 → React 树 */
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export async function renderMarkdownToReact(
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content: string,
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overrides?: Components
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): Promise<ReactElement> {
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const processor = unified()
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.use(remarkParse)
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.use(remarkGfm)
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.use(remarkRehype)
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.use(rehypePrettyCode, { ...prettyCodeOptions });
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const mdast = processor.parse(content || "");
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const hast = (await processor.run(mdast)) as Root;
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return toJsxRuntime(hast, {
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Fragment,
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jsx,
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jsxs,
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components: mergeMarkdownComponents(overrides) as Record<
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string,
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React.ElementType
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>,
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}) as ReactElement;
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}
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