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@sparkelf/dsh-client-ui-diagram-viewer

v0.2.1-alpha.28

Published

Renders draw.io and XMind files in the dsh-better-sidebar file viewer.

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Links

Maintainers

forestlightelfforestlightelf

Keywords

Readme

@sparkelf/dsh-client-ui-diagram-viewer

Renders .drawio and .xmind files inside the dsh-better-sidebar file viewer instead of showing the raw XML or a download card.

What it does

Registers two file viewers on the betterSidebar registry service:

| Viewer id | Extensions | Source | |---|---|---| | diagram-viewer:drawio | drawio, dio | <mxfile> XML, parsed into boxes and routed links | | diagram-viewer:xmind | xmind | the content.json member of the XMind zip |

Both render an inline SVG: one rounded box per topic, straight links between parent and child.

Install

dsh plugin --profile dataops-web add @sparkelf/dsh-client-ui-diagram-viewer

The bundle patch inserts one entry (diagram-viewer) whose name resolves this package through the profile's node_modules.

Why the registration looks the way it does

Three properties are required by dsh-better-sidebar and are easy to get wrong:

  1. The entry declares inject = ["betterSidebar"]. The sidebar's client half activates after the plugin entries, so reading ctx.get('betterSidebar') inside apply finds nothing and the viewer silently never registers. Cordis waits for the service when the entry injects it.
  2. detect is mandatory. When a file's bytes look binary the sidebar re-runs the matcher against the sniffed head instead of trusting the extension, and skips any viewer without a matcher. XMind is a zip, so without detect the tab falls through to the download card.
  3. load receives base64 for binary files, text otherwise. Decoding the base64 inside the reader would run the archive bytes through UTF-8 and corrupt them before readXmind could inflate the member.

XMind formats

The content.json member is a list of sheets. XMind 2021+ wraps the map in rootTopic; the legacy writer serialises the sheet itself as the root topic. Both are handled.

License

MIT