{#if}, {#each} and their {:else}/{:else if}/{:empty} branches worked on
the server and after hydration, but a block nested inside another block
stayed empty once the outer block rerendered. Adding a row to a list
produced the row's markup with its inner block markers in place and
nothing between them, for the life of the page.
Two causes, both on the client-created path only:
reactive() registers an effect; effects run when renderAll sweeps the
list. A state change runs just the affected effects rather than sweeping,
so an effect registered during that rerender was queued and never
invoked. setupControlBlock now returns its runner and the creating block
invokes it immediately.
The first reactive pass is skipped so hydration does not discard
server-rendered DOM. A block created by a rerender has no server DOM, so
skipping its only pass left it permanently empty. firstRun is now keyed
off outerLocals, which is set only on the client-created path.
Verified in a browser as well as in tests: adding a group to a list now
renders the new row's nested {:else}, and the existing rows' nested loops
survive the rerender.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
WRNexusJS
WRNexusJS is a compiler-driven, SSR-first, Bun-native full-stack framework for building secure, fast, maintainable applications with .wrn pages, layouts, components, stores, server functions, client functions, typed outputs, APIs, validation, authentication, realtime rooms, and production tooling.
Current framework version: 0.8.0
Core principles
- Secure by default with CSP, CSRF, safe serialization, URL policies, request limits, SSRF protection, secret scanning, and release gates.
- Performance-first SSR with zero framework JavaScript for static pages and selective hydration for interactive pages.
- One compiler-understood
.wrnmodel for markup, props, state, outputs, and runtime-specific functions. - Backward-compatible package upgrades with migrations, generated references, validation scripts, and private publishing controls.
- Package kits that give developers public helpers, package tests, documentation, and complete UI blocks where a package has a developer-facing interface.
Quick start
bun install
bun run validate:0.8
bun run check
bun run dev
Create or upgrade a project:
bunx @wrnexus/cli@0.8.0 create my-app
bunx @wrnexus/cli@0.8.0 update --version=0.8.0 --report
Package kits in 0.8
All 39 framework packages expose a documented helper/API surface and package tests. UI-facing packages additionally own complete .wrn blocks composed from @wrnexus/ui:
@wrnexus/auth— complete account, sign-in, sign-up, MFA, passkey, recovery, device, provider, and security blocks.@wrnexus/captcha— challenge, field, status, extraction, verification, response, and context helpers.@wrnexus/i18n— recursive locale loading, fallback chains, request resolution, SSR/browser translations, language controls, and formatters.@wrnexus/image— responsive picture plans, secure loaders, placeholders, preload hints, audits, and image blocks.@wrnexus/realtime— typed messages, room connections, presence, typing, metadata, composer, status, and message blocks.@wrnexus/uploader— upload attributes, result validation, formatting, dropzone, and status blocks.@wrnexus/validation— parse/throw helpers, consistent error responses, summaries, and field errors.@wrnexus/ui— the complete shared design-system component catalog.
Infrastructure packages remain helper/API-only so database, encryption, security, compiler, server, and build packages do not pull browser UI into production server code.
Security note for encrypted HTTP bodies
@wrnexus/encryption supports authenticated application-layer request and response envelopes with method, path, request-ID, timestamp, expiry, key-rotation, body-size, and replay binding.
This feature does not replace HTTPS. It is appropriate for service-to-service calls, native/mobile clients, controlled agents, or selected fields with server-managed keys. It cannot hide data from an end user when a browser receives the decryption key.
Validation commands
bun run audit:packages
bun run test:package-kits
bun run validate:0.8
bun run security:framework
bun run sbom
bun run benchmark:framework
bun run validate:staging
bun run check