Enforce root-owned adapter lifecycles

hemx-js/tests/runtime.rs

@@ -14,10 +14,10 @@ fn runtime_exposes_debug_api_before_startup_side_effects() {
         .find("if (document.readyState === \"loading\") document.addEventListener(\"DOMContentLoaded\", start)")
         .expect("runtime starts after declaration");
     assert!(api < start);
-    assert!(source.contains("try {\n        bootstrapState(root);"));
-    assert!(source.contains("emit(root, \"hemx:state-error\", String(error));"));
-    assert!(source.contains("try {\n        bindRoot(root);"));
-    assert!(source.contains("emit(root, \"hemx:bind-error\", String(error));"));
+    assert!(source.contains("roots().forEach(bindEnhancedRoot)"));
+    assert!(source.contains("bindAdapter(root, \"events\", () => bindRoot(root))"));
+    assert!(source.contains("bindAdapter(root, \"sse\", () => bindSse(root))"));
+    assert!(source.contains("emit(root, `hemx:${name}-error`, String(error))"));
 }
 
 #[test]
@@ -113,7 +113,7 @@ fn runtime_targets_generated_resources_not_response_selectors() {
     assert!(source.contains("function firstElement(scope, predicate)"));
     assert!(source.contains("function generatedResource(el, id)"));
     assert!(source.contains("return firstElement(scope, (el) => attrEquals(el, \"data-hemx-key\", key) && withinGeneratedResource(el, scope, id))"));
-    assert!(source.contains("if (node.hasAttribute && node.hasAttribute(ROOT)) continue"));
+    assert!(source.contains("node.hasAttribute(ROOT) || node.hasAttribute(ISLAND)"));
     assert!(source.contains("if (!applyOp(scope, op)) return"));
     assert!(!source.contains("canApplyOp"));
     assert!(source.contains("if (op.position === \"first\") target.prepend"));
@@ -158,7 +158,7 @@ fn runtime_supports_revealed_scheduling() {
     assert!(source.contains("window.addEventListener(\"pageshow\", restoreRevealed)"));
     assert!(source.contains("revealed.delete(el)"));
     assert!(source.contains("record.addedNodes.forEach((node) =>"));
-    assert!(source.contains("descendantRoots(node).forEach(bindRoot)"));
+    assert!(source.contains("descendantRoots(node).forEach(bindEnhancedRoot)"));
     assert!(source.contains("const owner = rootOf(node.parentElement)"));
     assert!(source.contains("bindPolling(owner)"));
     assert!(source.contains("bindRevealed(owner)"));
@@ -360,15 +360,13 @@ fn runtime_refuses_partial_updates_on_fingerprint_mismatch() {
 }
 
 #[test]
-fn runtime_malformed_bootstrap_state_reports_and_continues() {
+fn runtime_has_no_mirrored_client_application_store() {
     let source = hemx_js::RUNTIME_JS;
 
-    assert!(source.contains("function bootstrapState(root)"));
-    assert!(source.contains("try {\n      const store = atomStore(root);"));
-    assert!(source.contains("atomStores.delete(root)"));
-    assert!(source.contains("emit(root, \"hemx:state-error\", String(error))"));
-    assert!(source.contains("bindRoot(root)"));
-    assert!(source.contains("bindSse(root)"));
+    assert!(!source.contains("atomStore"));
+    assert!(!source.contains("bootstrapState"));
+    assert!(!source.contains("data-hemx-st"));
+    assert!(!source.contains("decodeAtomState"));
 }
 
 #[test]
@@ -405,6 +403,34 @@ fn runtime_applies_binary_websocket_effect_batches_inside_roots() {
     assert!(source.contains("if (socket) socket.close()"));
 }
 
+#[test]
+fn runtime_binds_adapters_once_and_cleans_removed_fragments() {
+    let source = hemx_js::RUNTIME_JS;
+
+    assert!(source.contains("const boundRoots = new WeakSet()"));
+    assert!(source.contains("if (boundRoots.has(root)) return;"));
+    assert!(source.contains("if (rootOf(event.target) !== root) return;"));
+    assert!(source.contains("if (rootOf(el) !== root) return;"));
+    assert!(source.contains("descendantRoots(node).forEach(bindEnhancedRoot)"));
+    assert!(source.contains("function bindAdapter(root, name, bind)"));
+    assert!(source.contains("cleanupRemovedFragment(node)"));
+    assert!(source.contains("source.close()"));
+    assert!(source.contains("socket.close()"));
+    assert!(source.contains("observer.disconnect()"));
+    assert!(source.contains("stopDescendantPolling(node)"));
+    assert!(source.contains("boundRoots.delete(root)"));
+}
+
+#[test]
+fn runtime_preserves_explicit_island_subtrees() {
+    let source = hemx_js::RUNTIME_JS;
+
+    assert!(source.contains("const ISLAND = \"data-hemx-island\""));
+    assert!(source.contains("node.hasAttribute(ROOT) || node.hasAttribute(ISLAND)"));
+    assert!(source.contains("preserveIslands(target, nodes)"));
+    assert!(source.contains("island.replaceWith(preserved)"));
+}
+
 #[test]
 fn runtime_page_swaps_lowered_slot_ids() {
     let source = hemx_js::RUNTIME_JS;