fix(js): expose runtime API before startup

Assign window.hemx before startup side effects so constrained browser contexts can still inspect the runtime and root state even if bootstrap work reports errors. req: runtime/002
2026-06-05 20:25:58 +02:00
parent ce4c2e086d
commit 4b83169207
2 changed files with 31 additions and 6 deletions
@@ -791,11 +791,20 @@

  function start() {
    roots().forEach((root) => {
-      bootstrapState(root);
-      bindRoot(root);
-      bindSse(root);
+      try {
+        bootstrapState(root);
+        bindRoot(root);
+        bindSse(root);
+      } catch (error) {
+        emit(root, "hemx:error", String(error));
+      }
    });
-    history.replaceState(history.state || { hemx: true }, "", location.href);
+    try {
+      history.replaceState(history.state || { hemx: true }, "", location.href);
+    } catch (error) {
+      const root = roots()[0];
+      if (root) emit(root, "hemx:history-error", String(error));
+    }
  }

  addEventListener("popstate", () => {
@@ -803,8 +812,8 @@
    if (root) navigateUrl(location.href, root, "none").catch((error) => emit(root, "hemx:error", String(error)));
  });

+  window.hemx = Object.freeze({ runtimeAbiVersion, roots, rootOf, applyHtml, applyBatch, decodeBatch, atomValue, decodeAtomState });
+
  if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", start);
  else start();
-
-  window.hemx = Object.freeze({ runtimeAbiVersion, roots, rootOf, applyHtml, applyBatch, decodeBatch, atomValue, decodeAtomState });
 })();