优化

client/shared/contexts/factory.tsx

@@ -0,0 +1,22 @@
+import React from 'react';
+
+interface CreateContextFactoryOptions<Props> {
+  defaultValue: Props;
+  displayName: string;
+}
+
+export function createContextFactory<Props>(
+  options: CreateContextFactoryOptions<Props>
+) {
+  const Context = React.createContext(options.defaultValue);
+  Context.displayName = options.displayName;
+
+  function useContext(): Props {
+    return React.useContext(Context);
+  }
+
+  return {
+    Context,
+    useContext,
+  };
+}