lucide/docs/.vitepress/api/gh-icon/stroke-width/[...data].get.ts

import { eventHandler, setResponseHeader, defaultContentType } from 'h3'
import { renderToString } from 'react-dom/server'
import { createElement } from 'react'
import SvgPreview from '../../../lib/SvgPreview/index.tsx';
import createLucideIcon, { IconNode } from 'lucide-react/src/createLucideIcon'
import { parseSync } from 'svgson';

export default eventHandler((event) => {
  const { params } = event.context

  const [strokeWidth, svgData] = params.data.split('/');
  const data = svgData.slice(0, -4);

  const src = Buffer.from(data, 'base64').toString('utf8');

  const Icon = createLucideIcon(
    'icon',
    parseSync(src.includes('<svg') ? src : `<svg>${src}</svg>`).children.map(
      ({ name, attributes }) => [name, attributes]
    ) as IconNode
  );

  const svg = Buffer.from(
    // We can't use jsx here, is not supported here by nitro.
    renderToString(createElement(Icon, { strokeWidth })).replace(
      />/,
      '><style>@media screen and (prefers-color-scheme: dark) { svg { stroke: #fff } }</style>'
    )
  ).toString('utf8');

  defaultContentType(event, 'image/svg+xml')
  setResponseHeader(event, 'Cache-Control', 'public,max-age=31536000')

  return svg
})