The definitive slot model for the web client, replacing the first-generation
define/register two-step, ScopedSlots whitelist faces, and binding handles:
- 'root' is the only a-priori slot (SlotsService built-in); the shell renders
exactly ctx.slots.renderSlot('root', {}).
- register is the single API: children = slot declaration + render
authorization + runtime spec in one options object; misconfiguration fails
loud at load (duplicate declaration, undeclared contribution, one store
handle under two scopes).
- Component props arrive in four auto-derived shares: PropsRuntime<K>
(owner params + session/global standard kits via declare-merge),
PropsRenderSlots<S>, PropsStore<H>, and the inject business face.
sessionId is framework-supplied; hooks are framework-made only.
- Framework store seat: defineStore factories declare schema/actions/persist;
read = useStore, write = baked actions only; store scope derives from the
mounting entry; per-session persist keys and clearPersisted lifecycle.
- inject factories read the apply closure's own ctx (binding handles retired;
root-ctx back door closed); SessionProvider is self-wired render-prop.
- Rendering sits behind the SlotRenderer install seam; runtime stays
React-free; ownership ledger keyed to the single entry axis closes the
stale-authority window (StaleAuthorizationError probes).
Docs: the slot type-chain note is refreshed in place as the slot system
standard RFC (bilingual pair re-recorded); the web client architecture RFC
defers its slot sections there; packages/client/AGENTS.md gains the slot and
props discipline; gui-testing/web-styling notes drop missions/ references.
Tests: suites rewritten to the standard (props fed directly, real store
engines via createXXXStore().create(), no render machinery); load-time
negative samples for declaration/authorization/store conflicts; verified by
real-host playwright run (three columns, empty state, collapse, keyed session
remount, cross-slot selection sharing).
docs(ui-sidebar): point contract reference at the committed slot standard RFC
missions/ is workspace-local and never committed; the README must not cite it.
50 lines
2.3 KiB
TypeScript
50 lines
2.3 KiB
TypeScript
/**
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* Runtime invariant companion: the 'slots/changed' emission-order audit —
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* a fired key must already carry a bumped version (emission follows the
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* applied mutation), bogus payloads fail loud, foreign events pass.
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*/
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import { Context } from 'cordis'
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import { describe, expect, it } from 'vitest'
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import InvariantService from '@deepseek-ai/dsh-invariants'
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import * as RuntimeInvariant from '../src/invariant.ts'
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import { SlotsService } from '../src/client/slots.ts'
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async function setup(): Promise<Context> {
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const ctx = new Context()
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await ctx.plugin(InvariantService, { enabled: true })
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await ctx.plugin(RuntimeInvariant).await()
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return ctx
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}
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const emit = (ctx: Context, event: string, ...args: unknown[]): void => {
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;(ctx.emit as (event: string, ...args: unknown[]) => void)(event, ...args)
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}
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describe('runtime slots/changed invariant', () => {
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it('passes foreign events and a legitimate mutation-then-emission sequence', async () => {
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const ctx = await setup()
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expect(() => { emit(ctx, 'unrelated/event', 'x') }).not.toThrow()
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await ctx.plugin(SlotsService).await() // fiber must reach ACTIVE — the audit reads strict ctx.get
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// A real registration bumps the version first and re-emits through
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// onMutate — the audit sees version > 0 and stays quiet. (Erased call:
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// the typed register face rides the wave-1 ui-slots types.)
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const slots = ctx.slots as unknown as { register(options: object, component: unknown): () => void }
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expect(() => slots.register({ name: 'root' }, () => null)).not.toThrow()
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})
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it('fails loud on a missing key and on an emission with no applied mutation', async () => {
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const ctx = await setup()
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expect(() => { emit(ctx, 'slots/changed', '') }).toThrow(/without a slot key/)
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expect(() => { emit(ctx, 'slots/changed', 42) }).toThrow(/without a slot key/)
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await ctx.plugin(SlotsService).await()
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// Hand-emitted key that never saw a mutation: version 0 → violation.
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expect(() => { emit(ctx, 'slots/changed', 'never-mutated') })
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.toThrow(/before any mutation bumped its version/)
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})
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it('stays quiet when no slots service is mounted (nothing to audit against)', async () => {
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const ctx = await setup()
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expect(() => { emit(ctx, 'slots/changed', 'any-key') }).not.toThrow()
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})
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})
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