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feat(files): zoom controls for inline mermaid and images in markdown #4411

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feat(files): zoom controls for inline mermaid and images in markdown #4411

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332e731
feat(files): zoom controls for inline mermaid and images in markdown,…
waleedlatif1 May 2, 2026
cd5f27e
revert(files): remove vfs url rewriting, keep zoom controls only
waleedlatif1 May 2, 2026
c3d8151
fix(files): use actual scale for raster images, add my-4 to mermaid zoom
waleedlatif1 May 2, 2026
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24 changes: 17 additions & 7 deletions apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/preview-panel.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -476,7 +476,14 @@ const STATIC_MARKDOWN_COMPONENTS = {
pre: ({ children }: { children?: React.ReactNode }) => <>{children}</>,
'mermaid-diagram': ({ definition }: { definition?: string }) => {
const isStreaming = useContext(MermaidStreamingCtx)
return <MermaidDiagram definition={definition ?? ''} isStreaming={isStreaming} />
return (
<MermaidDiagram
definition={definition ?? ''}
isStreaming={isStreaming}
zoomable
zoomClassName='my-4 h-[420px] rounded-lg'
/>
)
},
p: ({ children }: { children?: React.ReactNode }) => (
<p className='mb-3 break-words text-[14px] text-[var(--text-primary)] leading-[1.6] last:mb-0'>
Expand Down Expand Up @@ -613,12 +620,15 @@ const STATIC_MARKDOWN_COMPONENTS = {
img: ({ src, alt }: React.ImgHTMLAttributes<HTMLImageElement>) => {
const resolvedSrc = resolveSimFileUrl(typeof src === 'string' ? src : undefined)
return (
<img
src={resolvedSrc}
alt={alt ?? ''}
className='my-3 max-w-full rounded-md'
loading='lazy'
/>
<ZoomablePreview className='my-3 h-[360px] rounded-md' initialScale='actual'>
<img
src={resolvedSrc}
alt={alt ?? ''}
className='max-h-full max-w-full select-none object-contain'
draggable={false}
loading='lazy'
/>
</ZoomablePreview>
)
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},
table: ({ children }: { children?: React.ReactNode }) => (
Expand Down
2 changes: 1 addition & 1 deletion apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/zoomable-preview.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ function getFitZoom(container: Size, content: Size): number {

const availableWidth = Math.max(1, container.width - FIT_PADDING)
const availableHeight = Math.max(1, container.height - FIT_PADDING)
return clampZoom(Math.min(1, availableWidth / content.width, availableHeight / content.height))
return clampZoom(Math.min(availableWidth / content.width, availableHeight / content.height))
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}

function clampOffset(container: Size, content: Size, offset: Offset, zoom: number): Offset {
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