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feat: replace flat context with tuple-keyed store

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Context keys are now tuples instead of strings, inspired by
React Query's query keys. This prevents context collisions
when multiple instances of the same source type are registered.

Sources write to structured keys like
["aris.google-calendar", "nextEvent", { account: "work" }]
and consumers can query by prefix via context.find().

Co-authored-by: Ona <no-reply@ona.com>
This commit is contained in:
Kenneth
2026-03-01 18:47:20 +00:00
parent 8ca8a0d1d2
commit 57b38cafaf
29 changed files with 544 additions and 227 deletions
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14
packages/aris-core/src/feed-controller.ts
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@@ -1,8 +1,9 @@
import type { Context } from "./context"
import type { ContextEntry } from "./context"
import type { DataSource } from "./data-source"
import type { FeedItem } from "./feed"
import type { ReconcileResult } from "./reconciler"
import { Context } from "./context"
import { Reconciler } from "./reconciler"
export interface FeedControllerConfig {
@@ -40,7 +41,7 @@ const DEFAULT_DEBOUNCE_MS = 100
* })
*
* // Context update triggers debounced reconcile
* controller.pushContextUpdate({ [LocationKey]: location })
* controller.pushContextUpdate([[LocationKey, location]])
*
* // Direct reconcile (no debounce)
* const result = await controller.reconcile()
@@ -59,7 +60,7 @@ export class FeedController<TItems extends FeedItem = never> {
private stopped = false
constructor(config?: FeedControllerConfig) {
this.context = config?.initialContext ?? { time: new Date() }
this.context = config?.initialContext ?? new Context()
this.debounceMs = config?.debounceMs ?? DEFAULT_DEBOUNCE_MS
this.timeout = config?.timeout
}
@@ -94,9 +95,10 @@ export class FeedController<TItems extends FeedItem = never> {
}
}
/** Merges update into context and schedules a debounced reconcile. */
pushContextUpdate(update: Partial<Context>): void {
this.context = { ...this.context, ...update, time: new Date() }
/** Merges entries into context and schedules a debounced reconcile. */
pushContextUpdate(entries: readonly ContextEntry[]): void {
this.context.time = new Date()
this.context.set(entries)
this.scheduleReconcile()
}