an exclusionary rule, made structural. a plugin does not render a screen: it
contributes panels and says how they are arranged, and the shell renders
WorkspaceView around them.
web/panels.ts appRegistryMetas — at least one panel
web/layout.ts defaultLayout — how they are arranged
both required the moment web/ exists, and missing either is refused at discovery
by name and with the reason. tested:
probeplug: has a web/ directory but is missing web/layout.ts.
Every plugin route renders a Workspace: contribute panels and a layout,
not a screen.
there is deliberately no way to export a component. one that could would be free
to render a bare div, a full-page form, or its own navigation, and the platform
would become a shell hosting strangers' layouts rather than one application.
non-compliance is not so much refused as unrepresentable — there is nowhere to
put a screen.
the shell registers <prefix> and <prefix>/:section, exactly as the core screens
do, so a plugin's sections stay addressable and cmd-clickable, and panels read
useParams independently rather than passing state between themselves.
appTypes.allowed is pinned to that plugin's own keys, so a persisted layout
naming something else falls back instead of rendering another plugin's panel
inside this screen.
the example plugin is rebuilt to model it — two panels, a layout, one of them
calling its own /api/example/ping through useClient — because the reference
implementation is what everyone copies.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
28 lines
1.2 KiB
TypeScript
28 lines
1.2 KiB
TypeScript
import { useClient } from 'hooks/useClient';
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import { useQuery } from '@tanstack/react-query';
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// A panel, not a screen. It gets whatever space the layout gives it and knows nothing about routing.
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//
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// `useClient` comes from the platform's workspace packages, resolved because a plugin lives inside the
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// repository — no publishing, no version negotiation. This is the whole plugin↔host API in one line.
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export const ExampleOverview = () => {
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const client = useClient();
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const { data, isLoading } = useQuery({
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queryKey: ['example', 'ping'],
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queryFn: () => client.get<{ plugin: string; ok: boolean }>('/example/ping'),
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});
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return (
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<div className="h-full overflow-auto p-6">
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<h2 className="text-lg font-semibold text-duck-dark">Example</h2>
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<p className="mt-1 text-sm text-duck-dark/60">
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A panel from <code>plugins/example/web/</code>, rendered by the shell's <code>WorkspaceView</code>.
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</p>
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<div className="mt-4 rounded-md border border-duck-dark/10 bg-duck-dark/[0.02] p-3 font-mono text-xs">
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<div className="mb-1 text-duck-dark/50">GET /api/example/ping</div>
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{isLoading ? <span className="text-duck-dark/40">…</span> : <span>{JSON.stringify(data)}</span>}
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</div>
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</div>
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);
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};
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