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https://github.com/deepseek-ai/deepseek-harness.git
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imccyu
a04ce7afbb
The five settings-surface registrants carried near-identical spec-check/ledger-judge/subscribe scaffolding (three jscpd clones); ui-slots now owns deferRegistration() — ledger-judged presence, refresh for registrant-localized labels, one-call disposal — and every registrant shrinks to its registration body.
67 lines
2.4 KiB
TypeScript
67 lines
2.4 KiB
TypeScript
/**
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* Declaration-aware registration deferral: the shared timing machinery for
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* registering into a slot whose declaring entry activates in unconstrained
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* order (dshClient.inject edges never sequence apply). Presence is judged on
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* the LEDGER, not a local flag — after an HMR collapse re-declares the slot,
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* the cascade has already removed the entry while the local disposer went
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* stale, and a flag guard would block the re-registration.
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*/
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/** Minimal registry face the deferral reads (SlotsService satisfies it). */
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export interface DeferralRegistry {
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/** Declared spec lookup (undefined = not declared yet). */
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spec(name: string): unknown
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/** Current entries of the slot (component identity is the presence judge). */
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entries(name: string): readonly { component: unknown }[]
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/** Subscribe to the slot's ledger changes; returns the unsubscriber. */
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subscribe(name: string, listener: () => void): () => void
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}
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/** Handle over one deferred registration. */
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export interface DeferredRegistration {
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/**
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* Drop the current registration (stale disposers are harmless no-ops) and
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* immediately re-attempt — the refresh path for registrants whose options
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* carry localized text.
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*/
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refresh(): void
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/** Unsubscribe and unregister (idempotent through the slot core). */
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dispose(): void
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}
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/**
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* Register into `name` as soon as its declaration is on the ledger, and
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* re-register whenever the declaration reappears after a collapse.
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* @param registry - the slot registry face.
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* @param name - target slot name.
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* @param component - the component whose ledger presence marks "registered".
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* @param register - performs the actual registration; returns its disposer.
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* @returns the deferral handle (dispose in the owning effect's disposer).
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*/
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export function deferRegistration(
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registry: DeferralRegistry,
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name: string,
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component: unknown,
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register: () => () => void,
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): DeferredRegistration {
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let dispose: (() => void) | undefined
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const tryRegister = (): void => {
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if (registry.spec(name) === undefined) return
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if (registry.entries(name).some(e => e.component === component)) return
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dispose = register()
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}
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const unsubscribe = registry.subscribe(name, () => { tryRegister() })
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tryRegister()
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return {
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refresh() {
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dispose?.()
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dispose = undefined
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tryRegister()
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},
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dispose() {
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unsubscribe()
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dispose?.()
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},
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}
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}
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