Remove redundant features: ref sugar, suspense, transitions

- ref/ref-get/ref-set! functions removed (just dict wrappers — use dict
  primitives directly). The :ref attribute stays in adapter-dom.sx.
- Suspense form removed (if/when + deref on resource signals covers it)
- Transition function removed (fine-grained signals already avoid jank)
- Kept: error-boundary, resource, portal, :ref attribute

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-08 16:54:40 +00:00
parent 7efd1b401b
commit 06adbdcd59
5 changed files with 39 additions and 270 deletions

View File

@@ -14,7 +14,7 @@
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
var SX_VERSION = "2026-03-08T16:36:52Z";
var SX_VERSION = "2026-03-08T16:54:18Z";
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
@@ -1492,7 +1492,7 @@ return result; }, args);
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var attrName = keywordName(arg);
var attrVal = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
(isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy((isSxTruthy(startsWith(attrName, "on-")) && isCallable(attrVal))) ? domListen(el, slice(attrName, 3), attrVal) : (isSxTruthy((isSxTruthy((attrName == "bind")) && isSignal(attrVal))) ? bindInput(el, attrVal) : (isSxTruthy((attrName == "ref")) ? refSet_b(attrVal, el) : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal)))))))));
(isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy((isSxTruthy(startsWith(attrName, "on-")) && isCallable(attrVal))) ? domListen(el, slice(attrName, 3), attrVal) : (isSxTruthy((isSxTruthy((attrName == "bind")) && isSignal(attrVal))) ? bindInput(el, attrVal) : (isSxTruthy((attrName == "ref")) ? dictSet(attrVal, "current", el) : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal)))))))));
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : ((isSxTruthy(!isSxTruthy(contains(VOID_ELEMENTS, tag))) ? domAppend(el, renderToDom(arg, env, newNs)) : NIL), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
@@ -1546,7 +1546,7 @@ return result; }, args);
var renderDomUnknownComponent = function(name) { return error((String("Unknown component: ") + String(name))); };
// RENDER_DOM_FORMS
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each", "portal", "error-boundary", "suspense"];
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each", "portal", "error-boundary"];
// render-dom-form?
var isRenderDomForm = function(name) { return contains(RENDER_DOM_FORMS, name); };
@@ -1604,7 +1604,7 @@ return result; }, args);
return domAppend(frag, val);
})(); }, coll);
return frag;
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "portal")) ? renderDomPortal(args, env, ns) : (isSxTruthy((name == "error-boundary")) ? renderDomErrorBoundary(args, env, ns) : (isSxTruthy((name == "suspense")) ? renderDomSuspense(args, env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "portal")) ? renderDomPortal(args, env, ns) : (isSxTruthy((name == "error-boundary")) ? renderDomErrorBoundary(args, env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
@@ -1613,7 +1613,7 @@ return result; }, args);
return domAppend(frag, val);
})(); } }
return frag;
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns))))))))))))))); };
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns)))))))))))))); };
// render-lambda-dom
var renderLambdaDom = function(f, args, env, ns) { return (function() {
@@ -1805,30 +1805,6 @@ return (boundaryDisposers = []); });
})();
})(); };
// render-dom-suspense
var renderDomSuspense = function(args, env, ns) { return (function() {
var fallbackExpr = first(args);
var bodyExprs = rest(args);
var container = domCreateElement("div", NIL);
domSetAttr(container, "data-sx-suspense", "true");
domAppend(container, renderToDom(fallbackExpr, env, ns));
(function() {
var bodyDisposers = [];
effect(function() { { var _c = bodyDisposers; for (var _i = 0; _i < _c.length; _i++) { var d = _c[_i]; d(); } }
bodyDisposers = [];
return tryCatch(function() { return (function() {
var frag = createFragment();
withIslandScope(function(disposable) { bodyDisposers.push(disposable);
return registerInScope(disposable); }, function() { return forEach(function(child) { return domAppend(frag, renderToDom(child, env, ns)); }, bodyExprs); });
domSetProp(container, "innerHTML", "");
return domAppend(container, frag);
})(); }, function(err) { return NIL; }); });
return registerInScope(function() { { var _c = bodyDisposers; for (var _i = 0; _i < _c.length; _i++) { var d = _c[_i]; d(); } }
return (bodyDisposers = []); });
})();
return container;
})(); };
// === Transpiled from engine ===
@@ -3088,15 +3064,6 @@ return (isSxTruthy((_batchDepth == 0)) ? (function() {
// register-in-scope
var registerInScope = function(disposable) { return (isSxTruthy(_islandScope) ? _islandScope(disposable) : NIL); };
// ref
var ref = function(initial) { return {["current"]: initial}; };
// ref-get
var refGet = function(r) { return get(r, "current"); };
// ref-set!
var refSet_b = function(r, v) { return dictSet(r, "current", v); };
// *store-registry*
var _storeRegistry = {};
@@ -3138,11 +3105,6 @@ return (isSxTruthy((_batchDepth == 0)) ? (function() {
return state;
})(); };
// transition
var transition = function(pendingSig, thunk) { reset_b(pendingSig, true);
return scheduleIdle(function() { batch(thunk);
return reset_b(pendingSig, false); }); };
// =========================================================================
// Platform interface — DOM adapter (browser-only)

View File

@@ -14,7 +14,7 @@
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
var SX_VERSION = "2026-03-08T16:36:52Z";
var SX_VERSION = "2026-03-08T16:54:18Z";
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
@@ -1492,7 +1492,7 @@ return result; }, args);
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var attrName = keywordName(arg);
var attrVal = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
(isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy((isSxTruthy(startsWith(attrName, "on-")) && isCallable(attrVal))) ? domListen(el, slice(attrName, 3), attrVal) : (isSxTruthy((isSxTruthy((attrName == "bind")) && isSignal(attrVal))) ? bindInput(el, attrVal) : (isSxTruthy((attrName == "ref")) ? refSet_b(attrVal, el) : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal)))))))));
(isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy((isSxTruthy(startsWith(attrName, "on-")) && isCallable(attrVal))) ? domListen(el, slice(attrName, 3), attrVal) : (isSxTruthy((isSxTruthy((attrName == "bind")) && isSignal(attrVal))) ? bindInput(el, attrVal) : (isSxTruthy((attrName == "ref")) ? dictSet(attrVal, "current", el) : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal)))))))));
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : ((isSxTruthy(!isSxTruthy(contains(VOID_ELEMENTS, tag))) ? domAppend(el, renderToDom(arg, env, newNs)) : NIL), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
@@ -1546,7 +1546,7 @@ return result; }, args);
var renderDomUnknownComponent = function(name) { return error((String("Unknown component: ") + String(name))); };
// RENDER_DOM_FORMS
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each", "portal", "error-boundary", "suspense"];
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each", "portal", "error-boundary"];
// render-dom-form?
var isRenderDomForm = function(name) { return contains(RENDER_DOM_FORMS, name); };
@@ -1604,7 +1604,7 @@ return result; }, args);
return domAppend(frag, val);
})(); }, coll);
return frag;
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "portal")) ? renderDomPortal(args, env, ns) : (isSxTruthy((name == "error-boundary")) ? renderDomErrorBoundary(args, env, ns) : (isSxTruthy((name == "suspense")) ? renderDomSuspense(args, env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "portal")) ? renderDomPortal(args, env, ns) : (isSxTruthy((name == "error-boundary")) ? renderDomErrorBoundary(args, env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
@@ -1613,7 +1613,7 @@ return result; }, args);
return domAppend(frag, val);
})(); } }
return frag;
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns))))))))))))))); };
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns)))))))))))))); };
// render-lambda-dom
var renderLambdaDom = function(f, args, env, ns) { return (function() {
@@ -1805,30 +1805,6 @@ return (boundaryDisposers = []); });
})();
})(); };
// render-dom-suspense
var renderDomSuspense = function(args, env, ns) { return (function() {
var fallbackExpr = first(args);
var bodyExprs = rest(args);
var container = domCreateElement("div", NIL);
domSetAttr(container, "data-sx-suspense", "true");
domAppend(container, renderToDom(fallbackExpr, env, ns));
(function() {
var bodyDisposers = [];
effect(function() { { var _c = bodyDisposers; for (var _i = 0; _i < _c.length; _i++) { var d = _c[_i]; d(); } }
bodyDisposers = [];
return tryCatch(function() { return (function() {
var frag = createFragment();
withIslandScope(function(disposable) { bodyDisposers.push(disposable);
return registerInScope(disposable); }, function() { return forEach(function(child) { return domAppend(frag, renderToDom(child, env, ns)); }, bodyExprs); });
domSetProp(container, "innerHTML", "");
return domAppend(container, frag);
})(); }, function(err) { return NIL; }); });
return registerInScope(function() { { var _c = bodyDisposers; for (var _i = 0; _i < _c.length; _i++) { var d = _c[_i]; d(); } }
return (bodyDisposers = []); });
})();
return container;
})(); };
// === Transpiled from engine ===
@@ -3088,15 +3064,6 @@ return (isSxTruthy((_batchDepth == 0)) ? (function() {
// register-in-scope
var registerInScope = function(disposable) { return (isSxTruthy(_islandScope) ? _islandScope(disposable) : NIL); };
// ref
var ref = function(initial) { return {["current"]: initial}; };
// ref-get
var refGet = function(r) { return get(r, "current"); };
// ref-set!
var refSet_b = function(r, v) { return dictSet(r, "current", v); };
// *store-registry*
var _storeRegistry = {};
@@ -3138,11 +3105,6 @@ return (isSxTruthy((_batchDepth == 0)) ? (function() {
return state;
})(); };
// transition
var transition = function(pendingSig, thunk) { reset_b(pendingSig, true);
return scheduleIdle(function() { batch(thunk);
return reset_b(pendingSig, false); }); };
// =========================================================================
// Platform interface — DOM adapter (browser-only)