@daimo/pay/build/src/stateStore.js

Seamless crypto payments. Onboard users from any chain, any coin into your app with one click.

function createStore(reducer, init) {
  let state = init;
  const listeners = /* @__PURE__ */ new Set();
  return {
    getState: () => state,
    dispatch: (e) => {
      const prev = state;
      state = reducer(state, e);
      listeners.forEach((l) => l({ prev, next: state, event: e }));
    },
    subscribe: (l) => {
      listeners.add(l);
      return () => listeners.delete(l);
    }
  };
}
function waitForState(store, predicates, isError, getErrorMessage) {
  const guards = typeof predicates === "function" ? [predicates] : predicates;
  const matches = (s) => guards.some((g) => g(s));
  return new Promise((resolve, reject) => {
    const first = store.getState();
    if (matches(first)) return resolve(first);
    const unsubscribe = store.subscribe(({ next }) => {
      if (matches(next)) {
        unsubscribe();
        resolve(next);
      } else if (isError?.(next)) {
        unsubscribe();
        reject(new Error(getErrorMessage?.(next) ?? "error"));
      }
    });
  });
}

export { createStore, waitForState };
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