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InvolutionHell
involutionhell
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mdx-components.tsx
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import defaultMdxComponents from "fumadocs-ui/mdx";
import type { MDXComponents } from "mdx/types";
/**
* CRITICAL: 覆盖默认的 img 组件映射
*
* 为什么不使用 Next.js Image 组件:
*
* 1. Vercel 配额限制
* - 网站部署在 Vercel 上,Next.js Image 优化需要消耗配额
* - Vercel 免费计划已耗尽配额,因此禁用了 Next.js Image 优化
*
* 2. 构建和运行时问题
* - fumadocs-ui 的默认 MDX 组件将 <img> 映射到 Next.js Image 组件
* - Next.js Image 强制要求 width/height 属性
* - 我们禁用了远程尺寸探测 (source.config.ts: external: false)
* - 导致运行时报错: "Image with src ... is missing required width property"
*
* 3. 解决方案
* - 使用原生 <img> 标签替代 Next.js Image 组件
* - 保持浏览器原生的图片加载行为
* - 避免 width/height 要求,兼容编辑器生成和用户投稿
*
* 相关配置:
* - next.config.mjs: unoptimized: true(禁用 Next.js 图片优化)
* - source.config.ts: external: false(禁用远程尺寸探测)
* - 本文件: img: 原生标签(避免 Next.js Image 组件)
*/
export function getMDXComponents(components?: MDXComponents): MDXComponents {
return {
...defaultMdxComponents,
// 覆盖默认的 img 映射,使用原生 <img> 标签而不是 Next.js Image 组件
// 本地相对路径图片会被 remark-image 编译成静态 import,src 是
// StaticImageData 对象而不是字符串,直接透传会渲染成 "[object Object]"
img: ({ src, ...props }) => {
const resolved =
src && typeof src === "object" && "src" in src
? (src as { src: string }).src
: src;
return <img {...props} src={resolved} alt={props.alt || ""} />;
},
...components,
};
}
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