wip: gateway

cloud/web/src/util/context.tsx

@@ -0,0 +1,26 @@
+import { ParentProps, Show, createContext, useContext } from "solid-js"
+
+export function createInitializedContext<
+  Name extends string,
+  T extends { ready: boolean },
+>(name: Name, cb: () => T) {
+  const ctx = createContext<T>()
+
+  return {
+    use: () => {
+      const context = useContext(ctx)
+      if (!context) throw new Error(`No ${name} context`)
+      return context
+    },
+    provider: (props: ParentProps) => {
+      const value = cb()
+      return (
+        <Show when={value.ready}>
+          <ctx.Provider value={value} {...props}>
+            {props.children}
+          </ctx.Provider>
+        </Show>
+      )
+    },
+  }
+}