chore: update gitignore and refactor error type definition

oboard · oboard · commit 760f87d1e83e · 2026-01-11T11:23:06.000+08:00
add missing build directories to gitignore
refactor Error_ type to use struct-like syntax for better clarity
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,6 @@
 node_modules/
 target/
+target
+_build/
 .mooncakes/
 .DS_Store
diff --git a/src/js/error.mbt b/src/js/error.mbt
@@ -1,5 +1,7 @@
 ///|
-pub suberror Error_ Value
+pub suberror Error_ {
+  Error_(Value)
+}
 
 ///|
 extern "js" fn Error_::cause_ffi(self : Value) -> Value = "(self) => self.cause"
