glm-5.1
de7fc88f99
- Remove src/call.ts (PendingRequestMap, CallEventSchema, CallError) — call protocol belongs in @alkdev/operations
- Add EventEnvelope type ({ type, id, payload }) as the cross-platform serialization contract
- Simplify createPubSub: replace PubSubPublishArgsByKey tuple model with PubSubEventMap; publish(type, id, payload) and subscribe(type, id) use explicit id for topic scoping
- Update Redis adapter to serialize/deserialize full EventEnvelope
- Expand operators: add take, reduce, toArray, batch, dedupe, window, flat, groupBy, chain, join
- Remove @alkdev/typebox runtime dependency (was only used by call.ts)
- Remove ./call sub-path export from package.json and tsup config
- Update all architecture docs to reflect transport-only scope, add Worker adapter, remove call protocol references
- Remove docs/architecture/call-protocol.md
- Update AGENTS.md with new source layout and transport-only principle
105 lines
3.8 KiB
Markdown
105 lines
3.8 KiB
Markdown
---
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status: draft
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last_updated: 2026-05-01
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---
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# Build & Distribution
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Dependencies, project structure, tree-shaking, sub-path exports, and build targets.
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## Dependencies
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No runtime dependencies. The `Repeater` class is inlined from `@repeaterjs/repeater` (MIT) — no external package required.
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| Package | Type | Purpose |
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|---------|------|---------|
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| (none) | runtime | — |
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| `ioredis` | peer (optional) | Redis client. Only imported by `event-target-redis.ts`. Type-only import at compile time. |
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| `@rayhanadev/iroh` | peer (optional, future) | Iroh NAPI-RS binding. Only imported by `event-target-iroh.ts`. |
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No logger dependency. No TypeBox dependency (call protocol and schemas moved to `@alkdev/operations`).
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## Project Structure
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```
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@alkdev/pubsub/
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src/
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index.ts # Barrel: re-exports core API + operators
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types.ts # TypedEvent, TypedEventTarget, EventEnvelope
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create_pubsub.ts # createPubSub factory (adapted from graphql-yoga)
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operators.ts # filter, map, pipe, take, reduce, toArray,
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# batch, dedupe, window, flat, groupBy, chain, join
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repeater.ts # Inlined from @repeaterjs/repeater (MIT)
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event-target-redis.ts # createRedisEventTarget (peer dep: ioredis)
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# Future adapters (each is its own entry point + peer dep island):
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# event-target-websocket.ts # (peer dep: none, web standard)
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# event-target-worker.ts # (peer dep: none, web standard)
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# event-target-iroh.ts # (peer dep: @rayhanadev/iroh)
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test/
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create_pubsub.test.ts
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operators.test.ts
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event-target-redis.test.ts
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# event-target-websocket.test.ts
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# event-target-worker.test.ts
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# event-target-iroh.test.ts
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docs/
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architecture.md
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architecture/
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research/
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package.json
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tsconfig.json
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tsup.config.ts
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vitest.config.ts
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```
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## Sub-Path Exports
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We use explicit sub-path exports rather than barrel-only + tree-shaking. Each adapter is importable by its own path:
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```json
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{
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"exports": {
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".": { ... },
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"./event-target-redis": { ... },
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"./event-target-websocket": { ... },
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"./event-target-worker": { ... },
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"./event-target-iroh": { ... }
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}
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}
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```
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### Why Sub-Path Exports
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- **Explicit** — doesn't rely on bundler tree-shaking behavior
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- **Peer dep isolation** — `import from '@alkdev/pubsub/event-target-redis'` makes the dependency on ioredis explicit at the import site
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- **Consistent with typemap pattern** — typemap's peer deps (zod, valibot, typebox) are each their own module; sub-path exports make this explicit at the package boundary
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Sub-path entries are added as adapters are implemented. The barrel `index.ts` also re-exports everything for convenience — consumers who want tree-shaking can import from the barrel and rely on their bundler.
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## Peer Dependencies
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| Peer Dep | Required By | Optional |
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|----------|-------------|----------|
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| `ioredis@^5.0.0` | `event-target-redis` | Yes |
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| `@rayhanadev/iroh` | `event-target-iroh` (future) | Yes |
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Optional peer deps means `npm install @alkdev/pubsub` does NOT install ioredis or iroh. Consumers opt in by installing the peer dep and importing from the sub-path.
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## Build
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- **Tool**: `tsup` — produces dual ESM + CJS with declarations automatically
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- **Entry points**: `src/index.ts`, `src/event-target-redis.ts`, plus future adapters
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- **Format**: ESM + CJS
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- **Target**: `es2022`
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- **Splitting**: enabled (tsup code splitting for shared chunks)
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## Testing
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- **Runner**: `vitest` — matches taskgraph, natural fit with tsup/Node build pipeline
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- **Config**: `vitest.config.ts` with `globals: true`
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## Targets
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- **Publish**: npm (`@alkdev/pubsub`)
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- **Runtime**: Node 18+, Deno, Bun — pure JS (except iroh adapter which requires NAPI-RS)
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- **Deno compatibility**: Source is standard TypeScript with no Deno-specific APIs. Deno can import from npm or JSR. |