nitropage/src/lib/server/util/once.ts

A free and open source, extensible visual page builder based on SolidStart.

declare global {
  var onceFunctionResults: Record<string, any>;
}

export const onceWithGlobalThis = <T extends (...args: any) => any>(
  name: string,
  fn: T,
) => {
  return (...args: Parameters<T>): ReturnType<T> => {
    globalThis.onceFunctionResults ??= {};
    return (globalThis.onceFunctionResults[name] ??= fn(...args));
  };
};