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Fix empty code blocks: rename ~docs/code param, fix batched IO dispatch

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Two bugs caused code blocks to render empty across the site:

1. ~docs/code component had parameter named `code` which collided with
   the HTML <code> tag name. Renamed to `src` and updated all 57
   callers. Added font-mono class for explicit monospace.

2. Batched IO dispatch in ocaml_bridge.py only skipped one leading
   number (batch ID) but the format has two (epoch + ID):
   (io-request EPOCH ID "name" args...). Changed to skip all leading
   numbers so the string name is correctly found. This fixes highlight
   and other batchable helpers returning empty results.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-25 18:08:40 +00:00
parent 739d04672b
commit 6f96452f70
58 changed files with 440 additions and 437 deletions
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6
sx/sx/reactive-islands/event-bridge.sx
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@@ -17,10 +17,10 @@
(li (strong "Event bubbles: ") "The event bubbles up through the DOM tree until it reaches the island container.")
(li (strong "Effect catches: ") "An effect inside the island listens for the event name and updates a signal."))
(~docs/code :code (highlight ";; Island with an event bridge\n(defisland ~reactive-islands/event-bridge/product-page (&key product)\n (let ((cart-items (signal (list))))\n\n ;; Bridge: listen for \"cart:add\" events from server content\n (bridge-event container \"cart:add\" cart-items\n (fn (detail)\n (append (deref cart-items)\n (dict :id (get detail \"id\")\n :name (get detail \"name\")\n :price (get detail \"price\")))))\n\n (div\n ;; Island header with reactive cart count\n (div :class \"flex justify-between\"\n (h1 (get product \"name\"))\n (span :class \"badge\" (length (deref cart-items)) \" items\"))\n\n ;; htmx lake — server-rendered product details\n ;; This content is swapped by sx-get, not rendered by the island\n (div :id \"product-details\"\n :sx-get (str \"/products/\" (get product \"id\") \"/details\")\n :sx-swap \"innerHTML\"\n :sx-trigger \"load\"))))" "lisp"))
(~docs/code :src (highlight ";; Island with an event bridge\n(defisland ~reactive-islands/event-bridge/product-page (&key product)\n (let ((cart-items (signal (list))))\n\n ;; Bridge: listen for \"cart:add\" events from server content\n (bridge-event container \"cart:add\" cart-items\n (fn (detail)\n (append (deref cart-items)\n (dict :id (get detail \"id\")\n :name (get detail \"name\")\n :price (get detail \"price\")))))\n\n (div\n ;; Island header with reactive cart count\n (div :class \"flex justify-between\"\n (h1 (get product \"name\"))\n (span :class \"badge\" (length (deref cart-items)) \" items\"))\n\n ;; htmx lake — server-rendered product details\n ;; This content is swapped by sx-get, not rendered by the island\n (div :id \"product-details\"\n :sx-get (str \"/products/\" (get product \"id\") \"/details\")\n :sx-swap \"innerHTML\"\n :sx-trigger \"load\"))))" "lisp"))
(p "The server handler for " (code "/products/:id/details") " returns HTML with emit attributes:")
(~docs/code :code (highlight ";; Server-rendered response (pure HTML, no signals)\n(div\n (p (get product \"description\"))\n (div :class \"flex gap-2 mt-4\"\n (button\n :data-sx-emit \"cart:add\"\n :data-sx-emit-detail (json-serialize\n (dict :id (get product \"id\")\n :name (get product \"name\")\n :price (get product \"price\")))\n :class \"bg-violet-600 text-white px-4 py-2 rounded\"\n \"Add to Cart\")))" "lisp"))
(~docs/code :src (highlight ";; Server-rendered response (pure HTML, no signals)\n(div\n (p (get product \"description\"))\n (div :class \"flex gap-2 mt-4\"\n (button\n :data-sx-emit \"cart:add\"\n :data-sx-emit-detail (json-serialize\n (dict :id (get product \"id\")\n :name (get product \"name\")\n :price (get product \"price\")))\n :class \"bg-violet-600 text-white px-4 py-2 rounded\"\n \"Add to Cart\")))" "lisp"))
(p "The button is plain server HTML. When clicked, the client's event bridge dispatches " (code "cart:add") " with the JSON detail. The island effect catches it and appends to " (code "cart-items") ". The badge updates reactively."))
(~docs/section :title "Why signals survive swaps" :id "survival"
@@ -33,7 +33,7 @@
(~docs/section :title "Spec" :id "spec"
(p "The event bridge is spec'd in " (code "signals.sx") " (sections 12-13). Three functions:")
(~docs/code :code (highlight ";; Low-level: dispatch a custom event\n(emit-event el \"cart:add\" {:id 42 :name \"Widget\"})\n\n;; Low-level: listen for a custom event\n(on-event container \"cart:add\" (fn (e)\n (swap! items (fn (old) (append old (event-detail e))))))\n\n;; High-level: bridge an event directly to a signal\n;; Creates an effect with automatic cleanup on dispose\n(bridge-event container \"cart:add\" items\n (fn (detail) (append (deref items) detail)))" "lisp"))
(~docs/code :src (highlight ";; Low-level: dispatch a custom event\n(emit-event el \"cart:add\" {:id 42 :name \"Widget\"})\n\n;; Low-level: listen for a custom event\n(on-event container \"cart:add\" (fn (e)\n (swap! items (fn (old) (append old (event-detail e))))))\n\n;; High-level: bridge an event directly to a signal\n;; Creates an effect with automatic cleanup on dispose\n(bridge-event container \"cart:add\" items\n (fn (detail) (append (deref items) detail)))" "lisp"))
(p "Platform interface required:")
(div :class "overflow-x-auto rounded border border-stone-200 mt-2"