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Fix custom element check: require keyword arg to disambiguate from variables

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Hyphenated names like app-url are variables, not custom elements.
Only treat as custom element when first arg is a Keyword (tag call pattern).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-04 13:55:36 +00:00
parent d551806976
commit f5c266e785
3 changed files with 9 additions and 9 deletions
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6
shared/static/scripts/sx.js
View File

@@ -1194,7 +1194,7 @@
var h = v[0];
if (!isSym(h)) return false;
var n = h.name;
return !!(HTML_TAGS[n] || SVG_TAGS[n] || n === "<>" || n === "raw!" || n.charAt(0) === "~" || n.indexOf("html:") === 0 || n.indexOf("-") > 0);
return !!(HTML_TAGS[n] || SVG_TAGS[n] || n === "<>" || n === "raw!" || n.charAt(0) === "~" || n.indexOf("html:") === 0 || (n.indexOf("-") > 0 && v.length > 1 && isKw(v[1])));
}
function renderComponentDOM(comp, args, env) {
@@ -1317,8 +1317,8 @@
return warn;
}
// Custom element (hyphenated name) → render as element
if (name.indexOf("-") > 0) return renderElement(name, expr.slice(1), env, ns);
// Custom element (hyphenated name with keyword attrs) → render as element
if (name.indexOf("-") > 0 && expr.length > 1 && isKw(expr[1])) return renderElement(name, expr.slice(1), env, ns);
// SVG/MathML namespace auto-detection: inside (svg ...) or (math ...),
// unknown tags are created with the inherited namespace

8
shared/sx/async_eval.py
View File

@@ -672,8 +672,8 @@ async def _arender_list(expr: list, env: dict[str, Any], ctx: RequestContext) ->
if isinstance(val, Component):
return await _arender_component(val, expr[1:], env, ctx)
# Custom element (hyphenated name) → render as tag
if "-" in name:
# Custom element (hyphenated name with keyword attrs) → tag
if "-" in name and len(expr) > 1 and isinstance(expr[1], Keyword):
return await _arender_element(name, expr[1:], env, ctx)
# SVG/MathML context → unknown names are child elements
@@ -1116,8 +1116,8 @@ async def _aser(expr: Any, env: dict[str, Any], ctx: RequestContext) -> Any:
expanded = _expand_macro(val, expr[1:], env)
return await _aser(expanded, env, ctx)
# Custom element (hyphenated name) → serialize as tag
if "-" in name:
# Custom element (hyphenated name with keyword attrs) → serialize as tag
if "-" in name and len(expr) > 1 and isinstance(expr[1], Keyword):
return await _aser_call(name, expr[1:], env, ctx)
# SVG/MathML context → unknown names are child elements

4
shared/sx/html.py
View File

@@ -468,8 +468,8 @@ def _render_list(expr: list, env: dict[str, Any]) -> str:
return _render_component(val, expr[1:], env)
# Fall through to evaluation
# --- Custom element (hyphenated name) → render as tag ------------
if "-" in name:
# --- Custom element (hyphenated name with keyword attrs) → tag ----
if "-" in name and len(expr) > 1 and isinstance(expr[1], Keyword):
return _render_element(name, expr[1:], env)
# --- SVG/MathML context → unknown names are child elements --------