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render relative path images in markdown, close #10

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spencerwooo 2021-08-31 13:59:31 +01:00
parent 08cd0d7191
commit 12c551468f
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GPG key ID: 24CD550268849CA0
2 changed files with 35 additions and 9 deletions
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4
components/FileListing.tsx
View file

@ -274,7 +274,7 @@ const FileListing: FunctionComponent<{ query?: ParsedUrlQuery }> = ({ query }) =
{renderReadme && (
<div className="border-t dark:border-gray-700">
<MarkdownPreview file={readmeFile} standalone={false} />
<MarkdownPreview file={readmeFile} path={path} standalone={false} />
</div>
)}
</div>
@ -303,7 +303,7 @@ const FileListing: FunctionComponent<{ query?: ParsedUrlQuery }> = ({ query }) =
return <CodePreview file={resp} />
case preview.markdown:
return <MarkdownPreview file={resp} />
return <MarkdownPreview file={resp} path={path} />
case preview.video:
return <VideoPreview file={resp} />

40
components/previews/MarkdownPreview.tsx
View file

@ -1,4 +1,4 @@
import { useEffect, FunctionComponent } from 'react'
import { useEffect, FunctionComponent, CSSProperties } from 'react'
import Prism from 'prismjs'
import ReactMarkdown from 'react-markdown'
import gfm from 'remark-gfm'
@ -13,13 +13,35 @@ import Loading from '../Loading'
import DownloadBtn from '../DownloadBtn'
import { useStaleSWR } from '../../utils/tools'
const MarkdownPreview: FunctionComponent<{ file: any; standalone?: boolean }> = ({ file, standalone = true }) => {
const MarkdownPreview: FunctionComponent<{ file: any; path: string; standalone?: boolean }> = ({
file,
path,
standalone = true,
}) => {
const { data, error } = useStaleSWR(file['@microsoft.graph.downloadUrl'])
// The parent folder of the markdown file, which is also the relative image folder
const parentPath = path.substring(0, path.lastIndexOf('/'))
// Check if the image is relative path instead of a absolute url
const isUrlAbsolute = url => url.indexOf('://') > 0 || url.indexOf('//') === 0
// Custom renderer to render images with relative path
const relativeImagePathRenderer = {
img: ({ alt, src, title, style }: { alt?: string; src?: string; title?: string; style?: CSSProperties }) => {
if (isUrlAbsolute(src as string)) {
return (
// eslint-disable-next-line @next/next/no-img-element
<img alt={alt} src={src} title={title} style={style} />
)
}
return (
// eslint-disable-next-line @next/next/no-img-element
<img alt={alt} src={`/api?path=${parentPath}/${src}&raw=true`} title={title} style={style} />
)
},
}
useEffect(() => {
if (typeof window !== 'undefined') {
Prism.highlightAll()
}
Prism.highlightAll()
}, [data])
if (error) {
@ -46,8 +68,12 @@ const MarkdownPreview: FunctionComponent<{ file: any; standalone?: boolean }> =
: 'markdown-body p-3 dark:text-white'
}
>
{/* Using rehypeRaw to render HTML inside Markdown, is potentially dangerous, use under safe environments. (#18) */}
<ReactMarkdown remarkPlugins={[gfm, remarkMath]} rehypePlugins={[rehypeKatex, rehypeRaw as any]}>
{/* Using rehypeRaw to render HTML inside Markdown is potentially dangerous, use under safe environments. (#18) */}
<ReactMarkdown
remarkPlugins={[gfm, remarkMath]}
rehypePlugins={[rehypeKatex, rehypeRaw as any]}
components={relativeImagePathRenderer}
>
{data}
</ReactMarkdown>
</div>