@fbltd/async/dist/bin/dependency/vanilla/next.js

Miscellaneous async utils

import { PromiseConfiguration } from "../../promise-configuration.js";
/**
 * @internal
 */
export const StreamFinishError = new Error("Stream is done");
export function next(dep) {
    const disposePromise = new PromiseConfiguration();
    const resultPromise = new PromiseConfiguration();
    Promise.race([dep.next(), disposePromise.promise])
        .then((res) => {
        if (dep.done || disposePromise.isFulfilled) {
            resultPromise.reject(StreamFinishError);
        }
        else {
            resultPromise.resolve(dep.value);
        }
    });
    return {
        promise: resultPromise.promise,
        dispose: () => disposePromise.resolve()
    };
}