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kilip/singleton.ts

Created August 8, 2025 02:02
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singleton.ts
// Borrowed & modified from https://github.com/jenseng/abuse-the-platform/blob/main/app/utils/singleton.ts
// Thanks @jenseng!
export const singleton = <Value>(
name: string,
valueFactory: () => Value,
): Value => {
const g = global as unknown as { __singletons: Record<string, unknown> };
g.__singletons ??= {};
g.__singletons[name] ??= valueFactory();
return g.__singletons[name] as Value;
};
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