@fbltd/async/dist/bin/dependency/vanilla/once.stream.js

Miscellaneous async utils

import { symAI } from "../../constants.js";
import { getStream } from "./get.stream.js";
export function onceStream(dep) {
    const stream = getStream(dep);
    const iterator = stream[symAI]();
    return {
        get isDisposed() {
            return stream.isDisposed;
        },
        dispose: () => stream.dispose(),
        [symAI]() {
            return {
                next: async () => {
                    const result = await iterator.next();
                    if (!result.done)
                        stream.dispose();
                    return result;
                }
            };
        },
    };
}