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Reactive forms pass spreads through instead of wrapping in fragments

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adapter-dom.sx: if/when/cond reactive paths now check whether
initial-result is a spread. If so, return it directly — spreads
aren't DOM nodes and can't be appended to fragments. This lets
any spread-returning component (like ~cssx/tw) work inside islands
without the spread being silently dropped.

cssx.sx: revert make-spread workaround — the root cause is now
fixed in the adapter. ~cssx/tw can use a natural top-level if.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-13 04:51:05 +00:00
parent d42972518a
commit 846719908f
3 changed files with 38 additions and 31 deletions
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14
shared/static/scripts/sx-browser.js
View File

@@ -14,7 +14,7 @@
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
var SX_VERSION = "2026-03-13T04:16:14Z";
var SX_VERSION = "2026-03-13T04:50:39Z";
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
@@ -2019,7 +2019,7 @@ return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragme
})();
return (isSxTruthy(domParent(marker)) ? (forEach(function(n) { return domRemove(n); }, currentNodes), (currentNodes = (isSxTruthy(domIsFragment(result)) ? domChildNodes(result) : [result])), domInsertAfter(marker, result)) : (initialResult = result));
})(); });
return (function() {
return (isSxTruthy(isSpread(initialResult)) ? initialResult : (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
@@ -2027,7 +2027,7 @@ return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragme
domAppend(frag, initialResult);
}
return frag;
})();
})());
})() : (function() {
var condVal = trampoline(evalExpr(nth(expr, 1), env));
return (isSxTruthy(condVal) ? renderToDom(nth(expr, 2), env, ns) : (isSxTruthy((len(expr) > 3)) ? renderToDom(nth(expr, 3), env, ns) : createFragment()));
@@ -2046,14 +2046,14 @@ return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragme
currentNodes = domChildNodes(frag);
return (initialResult = frag);
})() : NIL)); });
return (function() {
return (isSxTruthy(isSpread(initialResult)) ? initialResult : (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
domAppend(frag, initialResult);
}
return frag;
})();
})());
})() : (isSxTruthy(!isSxTruthy(trampoline(evalExpr(nth(expr, 1), env)))) ? createFragment() : (function() {
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
@@ -2074,14 +2074,14 @@ return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragme
return (initialResult = result);
})() : NIL));
})(); });
return (function() {
return (isSxTruthy(isSpread(initialResult)) ? initialResult : (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
domAppend(frag, initialResult);
}
return frag;
})();
})());
})() : (function() {
var branch = evalCond(rest(expr), env);
return (isSxTruthy(branch) ? renderToDom(branch, env, ns) : createFragment());