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Fix duplicate sx-cssx-live style tags
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Cache the style element reference in _cssx-style-el so flush-cssx-to-dom
never creates more than one. Previous code called dom-query on every
flush, which could miss the element during rapid successive calls,
creating duplicates.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-14 17:16:13 +00:00
parent 41f4772ba7
commit ac49657e31
8 changed files with 543 additions and 105 deletions
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20
shared/sx/ref/platform_js.py
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@@ -1509,8 +1509,8 @@ CEK_FIXUPS_JS = '''
return cekValue(state);
};
// Expose spec functions so evaluated SX code can use them.
// Type inspection (platform interface from boundary.sx)
// Platform functions — defined in platform_js.py, not in .sx spec files.
// Spec defines self-register via js-emit-define; these are the platform interface.
PRIMITIVES["type-of"] = typeOf;
PRIMITIVES["symbol-name"] = symbolName;
PRIMITIVES["keyword-name"] = keywordName;
@@ -1520,22 +1520,7 @@ CEK_FIXUPS_JS = '''
PRIMITIVES["component?"] = isComponent;
PRIMITIVES["island?"] = isIsland;
PRIMITIVES["make-symbol"] = function(n) { return new Symbol(n); };
// Parser (from parser.sx)
PRIMITIVES["sx-serialize"] = sxSerialize;
// CEK machine (from cek.sx/frames.sx)
PRIMITIVES["make-cek-state"] = makeCekState;
PRIMITIVES["cek-step"] = cekStep;
PRIMITIVES["cek-run"] = cekRun;
PRIMITIVES["cek-terminal?"] = cekTerminal_p;
PRIMITIVES["cek-value"] = cekValue;
PRIMITIVES["eval-expr-cek"] = evalExprCek;
// Render (from adapter-html.sx / render.sx)
PRIMITIVES["is-html-tag?"] = function(n) { return HTML_TAGS.indexOf(n) >= 0; };
// Environment (for creating eval contexts)
PRIMITIVES["make-env"] = function() { return merge(componentEnv, PRIMITIVES); };
'''
@@ -3064,6 +3049,7 @@ def fixups_js(has_html, has_sx, has_dom, has_signals=False, has_deps=False, has_
if (typeof domTextContent === "function") PRIMITIVES["dom-text-content"] = domTextContent;
if (typeof domCreateElement === "function") PRIMITIVES["dom-create-element"] = domCreateElement;
if (typeof domAppend === "function") PRIMITIVES["dom-append"] = domAppend;
if (typeof domAppendToHead === "function") PRIMITIVES["dom-append-to-head"] = domAppendToHead;
if (typeof jsonParse === "function") PRIMITIVES["json-parse"] = jsonParse;
if (typeof nowMs === "function") PRIMITIVES["now-ms"] = nowMs;
PRIMITIVES["sx-parse"] = sxParse;