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6 Commits

Author SHA1 Message Date
giles
213421516e Add SSE, response headers, view transitions, and 5 new sx attributes 
Implement missing SxEngine features:
- SSE (sx-sse, sx-sse-swap) with EventSource management and auto-cleanup
- Response headers: SX-Trigger, SX-Retarget, SX-Reswap, SX-Redirect,
  SX-Refresh, SX-Location, SX-Replace-Url, SX-Trigger-After-Swap/Settle
- View Transitions API: transition:true swap modifier + global config
- every:<time> trigger for polling (setInterval)
- sx-replace-url (replaceState instead of pushState)
- sx-disabled-elt (disable elements during request)
- sx-prompt (window.prompt, value sent as SX-Prompt header)
- sx-params (filter form parameters: *, none, not x,y, x,y)

Adds docs (ATTR_DETAILS, BEHAVIOR_ATTRS, headers, events), demo
components in reference.sx, API endpoints (prompt-echo, sse-time),
and 27 new unit tests for engine logic.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-04 11:55:21 +00:00
giles
0554f8a113 Refactor sx.js: extract string renderer, deduplicate helpers, remove dead code 
Extract Node-only string renderer (renderToString, renderStr, etc.) to
sx-test.js. Add shared helpers (_processOOBSwaps, _postSwap, _processBindings,
_evalCond, _logParseError) replacing duplicated logic. Remove dead isTruthy
and _sxCssKnown class-list fallback. Compress section banners. sx.js goes
from 2652 to 2279 lines (-14%) with zero browser-side behavior change.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-03 23:00:58 +00:00
giles
ab75e505a8 Add macros, declarative handlers (defhandler), and convert all fragment routes to sx 
Phase 1 — Macros: defmacro + quasiquote syntax (`, ,, ,@) in parser,
evaluator, HTML renderer, and JS mirror. Macro type, expansion, and
round-trip serialization.

Phase 2 — Expanded primitives: app-url, url-for, asset-url, config,
format-date, parse-int (pure); service, request-arg, request-path,
nav-tree, get-children (I/O); jinja-global, relations-from (pure).
Updated _io_service to accept (service "registry-name" "method" :kwargs)
with auto kebab→snake conversion. DTO-to-dict now expands datetime fields
into year/month/day convenience keys. Tuple returns converted to lists.

Phase 3 — Declarative handlers: HandlerDef type, defhandler special form,
handler registry (service → name → HandlerDef), async evaluator+renderer
(async_eval.py) that awaits I/O primitives inline within control flow.
Handler loading from .sx files, execute_handler, blueprint factory.

Phase 4 — Convert all fragment routes: 13 Python fragment handlers across
8 services replaced with declarative .sx handler files. All routes.py
simplified to uniform sx dispatch pattern. Two Jinja HTML handlers
(events/container-cards, events/account-page) kept as Python.

New files: shared/sx/async_eval.py, shared/sx/handlers.py,
shared/sx/tests/test_handlers.py, plus 13 handler .sx files under
{service}/sx/handlers/. MarketService.product_by_slug() added.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-03 00:22:18 +00:00
giles
8ceb9aee62 Eliminate raw HTML injection: convert ~kg-html/captions to native sx 
Add shared/sx/html_to_sx.py (HTMLParser-based HTML→sx converter) and
update lexical_to_sx.py so HTML cards, markdown cards, and captions all
produce native sx expressions instead of opaque HTML strings.

- ~kg-html now wraps native sx children (editor can identify the block)
- New ~kg-md component for markdown card blocks
- Captions are sx expressions, not escaped HTML strings
- kg_cards.sx: replace (raw! caption) with direct caption rendering
- sx-editor.js: htmlToSx() via DOMParser, serializeInline for captions,
  _childrenSx for ~kg-html/~kg-md, new kg-md edit UI
- Migration script (blog/scripts/migrate_sx_html.py) to re-convert
  stored sx_content from lexical source

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-02 19:57:27 +00:00
giles
1447122a0c Add on-demand CSS: registry, pre-computed component classes, header compression 
- Parse tw.css into per-class lookup registry at startup
- Pre-scan component CSS classes at registration time (avoid per-request regex)
- Compress SX-Css header: 8-char hash replaces full class list (LRU cache)
- Add ;@css comment annotation for dynamically constructed class names
- Safelist bg-sky-{100..400} in Tailwind config for menu-row-sx dynamic shades
- Client sends/receives hash, falls back gracefully on cache miss

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-01 21:39:57 +00:00
giles
e8bc228c7f Rebrand sexp → sx across web platform (173 files) 
Rename all sexp directories, files, identifiers, and references to sx.
artdag/ excluded (separate media processing DSL).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-01 11:06:57 +00:00