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pdsls / src / lib / create-latch.ts

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1import { createMemo } from "solid-js";
2
3/** Returns a memo that latches to `true` once `ready()` is true, and never reverts. */
4export const createLatch = (ready: () => boolean) =>
5  createMemo<true | undefined>((prev) => prev || (ready() ? true : undefined));