util/processOrg.tsx


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import unified from 'unified'
//import createStream from 'unified-stream'
import uniorgParse from 'uniorg-parse'
import uniorg2rehype from 'uniorg-rehype'
import uniorgSlug from 'uniorg-slug'
import extractKeywords from 'uniorg-extract-keywords'
import attachments from 'uniorg-attach'
// rehypeHighlight does not have any types
// @ts-expect-error
import highlight from 'rehype-highlight'
import katex from 'rehype-katex'
import 'katex/dist/katex.css'
import rehype2react from 'rehype-react'

import { PreviewLink } from '../components/Sidebar/Link'
import { NodeByCite, NodeById } from '../pages'
import React, { useMemo } from 'react'

export interface ProcessedOrgProps {
  nodeById: NodeById
  previewNode: any
  setPreviewNode: any
  previewText: any
  nodeByCite: NodeByCite
  setSidebarHighlightedNode: any
}

export const ProcessedOrg = (props: ProcessedOrgProps) => {
  const { nodeById, setSidebarHighlightedNode, setPreviewNode, previewText, nodeByCite } = props

  const processor = unified()
    .use(uniorgParse)
    .use(extractKeywords)
    .use(attachments)
    .use(uniorgSlug)
    .use(uniorg2rehype)
    .use(katex)
    .use(rehype2react, {
      createElement: React.createElement,
      // eslint-disable-next-line react/display-name
      components: {
        a: ({ children, href }) => {
          return (
            <PreviewLink
              nodeByCite={nodeByCite}
              setSidebarHighlightedNode={setSidebarHighlightedNode}
              href={`${href as string}`}
              nodeById={nodeById}
              setPreviewNode={setPreviewNode}
            >
              {typeof children === 'string' ? children : null}
            </PreviewLink>
          )
        },
      },
    })

  const text = useMemo(() => processor.processSync(previewText).result, [previewText])
  return <>{text}</>
}