conversion UI

1 files changed, 28 insertions, 0 deletions

diff --git a/packages/web-util/src/components/utils.ts b/packages/web-util/src/components/utils.ts
index 34693f7d7..75c3fc0fe 100644
--- a/packages/web-util/src/components/utils.ts
+++ b/packages/web-util/src/components/utils.ts
@@ -12,6 +12,7 @@ export function compose<SType extends { status: string }, PType>(
   hook: (p: PType) => RecursiveState<SType>,
   viewMap: StateViewMap<SType>,
 ): (p: PType) => VNode {
+
   function withHook(stateHook: () => RecursiveState<SType>): () => VNode {
     function ComposedComponent(): VNode {
       const state = stateHook();
@@ -35,6 +36,33 @@ export function compose<SType extends { status: string }, PType>(
   };
 }
 
+export function recursive<PType>(
+  hook: (p: PType) => RecursiveState<VNode>,
+): (p: PType) => VNode {
+
+  function withHook(stateHook: () => RecursiveState<VNode>): () => VNode {
+    function ComposedComponent(): VNode {
+      const state = stateHook();
+
+      if (typeof state === "function") {
+        const subComponent = withHook(state);
+        return createElement(subComponent, {});
+      }
+
+      return state;
+    }
+
+    return ComposedComponent;
+  }
+
+  return (p: PType) => {
+    const h = withHook(() => hook(p));
+    return h();
+  };
+}
+
+
+
 /**
  *
  * @param obj VNode