OneMind

OneMind is an editor-first Obsidian mind map plugin. It opens the current Markdown note as a clean SVG + DOM mind map and writes edits back to plain Markdown.

MVP Features

• Open the active Markdown note in a full-page OneMind view.
• Switch from Markdown to OneMind and focus the node matching the current heading.
• Copy a selected node as a standard obsidian://open URI with a heading anchor.
• Parse headings and unordered lists into a tree.
• Render a horizontal mind map with SVG Bezier links and DOM nodes.
• Choose between right-facing and balanced two-sided layouts.
• Add child nodes with Tab, add sibling nodes with Enter.
• Duplicate nodes and restructure with Alt/Option + Arrow keys.
• Use the node context menu for common edit, copy, tag, export, and delete actions.
• Long-press nodes on touch devices to open the same context menu.
• Edit nodes with F2 or double click.
• Add, replace, or clear node emoji icons; icons are stored as leading emoji in Markdown text.
• Show Markdown tags such as #todo or #idea as node badges.
• Add or clear Markdown tag badges from selected nodes, including multi-selections.
• Filter the visible mind map by tag from tag badges or the command palette.
• See visible/total node counts, selected count, zoom, filter, and save state in the canvas status bar.
• Copy a selected branch as Markdown and paste Markdown from the clipboard as child or sibling nodes.
• Delete nodes with Delete or Backspace.
• Multi-select nodes with Ctrl/Cmd + click, range-select with Shift + click, and select all with Ctrl/Cmd + A.
• Apply delete, collapse, and emoji actions to the current multi-selection.
• Drag nodes onto another node to make them children, or between nearby nodes to reorder siblings.
• Collapse or expand nodes with Space.
• Expand or collapse the full map from toolbar actions or commands.
• Search nodes with /, then use Enter and Shift + Enter to move through matches.
• Navigate large maps with the collapsible outline panel.
• Move selection with arrow keys.
• Pan with blank-canvas drag.
• Zoom with mouse wheel or Ctrl/Cmd + and Ctrl/Cmd -.
• Fit to view with Ctrl/Cmd + Shift + F, focus selection with Ctrl/Cmd + F.
• Basic local undo and redo with Ctrl/Cmd + Z and Ctrl/Cmd + Shift + Z.
• Inline rendering for **bold**, `code`, and [[wikilinks]].
• Draw dashed cross-branch association links from local wikilinks like [[#Target]] or [[Target]].
• Export the current mind map as .onemind.svg or .onemind.png beside the source note.
• Export only the selected branch as SVG or PNG from commands.
• Configure PNG export scale and transparent background.
• Preserve frontmatter and leading non-map Markdown when writing edits back.
• Resolve external Markdown changes with a conflict prompt when local mind map edits are still unsaved.
• Responsive toolbar treatment for narrow/mobile panes.
• Chinese and English UI language setting.
• Settings for layout direction, auto-save delay, default expand depth, animation, visual branch color pickers, and export behavior.
• Obsidian commands for node editing actions, ready for custom hotkeys.

Development

npm install
npm run dev

For a production build:

npm run build

Copy or symlink the plugin/ folder into an Obsidian vault as .obsidian/plugins/onemind, then enable the plugin from Obsidian settings.

The installable Obsidian plugin files are kept together in plugin/:

plugin/
  main.js
  manifest.json
  styles.css