@prelude/channel/mjs/of.js

Channel module.

import { Channel } from './channel.js';
export function of(cap = 0) {
    return new Channel(cap);
}
export function ofIterable(iterable, cap = 0) {
    const ch = new Channel(cap);
    const produce = async () => {
        for (const value of iterable) {
            if (ch.doneWriting) {
                break;
            }
            await Promise
                .resolve()
                .then(() => ch.write(value));
        }
    };
    produce()
        .finally(() => {
        ch.closeWriting();
    });
    return ch;
}
export function ofAsyncIterable(asyncIterable, cap = 0) {
    const ch = new Channel(cap);
    const produce = async () => {
        for await (const value of asyncIterable) {
            if (ch.doneWriting) {
                break;
            }
            await ch.write(value);
        }
    };
    produce()
        .finally(() => {
        ch.closeWriting();
    });
    return ch;
}
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