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beardrive/architecture/webapp-frontend.md
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# Hub frontend (React SPA) — module diagram
Source of truth: `internal/webapp/frontend/src`. The built output is
committed at `internal/webapp/static` (the `go:embed` target), so `go build`
never needs Node. Reflects the code as of this commit; update this file in
any PR that changes these modules or their relationships.
```mermaid
classDiagram
direction LR
class App {
mode from /api/config
}
note for App "App.tsx — picks HubApp (multi-project) or VolumeApp (single volume) from server config; frontend learns everything from the API, never sees storage or credentials"
class HubApp {
project list, org walls
admin panels, invites
}
class VolumeApp {
thin wrapper: one volume
}
class Browser {
folder listing, file view
per-view routes
}
class router {
+VIEW_ROUTES insights history install settings
+parseRoute(pathname, mode) Route
+urlForPath / urlForView
+encodePath / decodePath
}
class nav {
+navigate(url)
+useLocationPath()
+linkProps(href)
+Redirect
}
note for nav "nav.ts + router.ts — deliberately NOT a router library (react-router v7 startTransition left stale views); History-API path routing, slashes literal, every user-facing page owns a URL path"
class api {
+getJSON / postJSON / api
types.ts server contracts
}
note for api "api/http.ts — all URLs root-absolute so deep paths never break relative resolution"
class hooks {
+useConfig
+useHub
+useBrowse
}
note for hooks "TanStack Query wrappers over the viewer APIs"
class components {
FileView FolderListing FileTree
HistoryView Insights ShareDialog
OrgAdmin HubSettings ProjectSettings
Palette shell AccountBar ...
}
note for components "components/ui — shadcn/ui primitives (Radix, copied in), themed from BearDrive tokens in tw.css; rendered markdown is transformed as a string before mounting, link clicks delegated on the container — never patch the dangerouslySetInnerHTML subtree"
App --> HubApp
App --> VolumeApp
HubApp --> Browser
VolumeApp --> Browser
HubApp --> router
Browser --> router
Browser --> components
HubApp --> components
components --> nav : linkProps navigate
hooks --> api
Browser --> hooks
HubApp --> hooks
```