function createChannel

Create a new https://effection-www-7a79x8qmc0zv.deno.dev/api/v4/Channel. Use channels to communicate between operations. In order to dispatch messages from outside an operation such as from a callback, use https://effection-www-7a79x8qmc0zv.deno.dev/api/v4/Signal.

See the guide on Streams and Subscriptions for more details.

Examples

Example 1

import { main, createChannel } from 'effection';

await main(function*() {
  let channel = createChannel();

  yield* channel.send('too early'); // the channel has no subscribers yet!

  let subscription1 = yield* channel;
  let subscription2 = yield* channel;

  yield* channel.send('hello');
  yield* channel.send('world');

  console.log(yield* subscription1.next()); //=> { done: false, value: 'hello' }
  console.log(yield* subscription1.next()); //=> { done: false, value: 'world' }
  console.log(yield* subscription2.next()); //=> { done: false, value: 'hello' }
  console.log(yield* subscription2.next()); //=> { done: false, value: 'world' }
});

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Type Parameters

T

TClose = void

Return Type

https://effection-www-7a79x8qmc0zv.deno.dev/api/v4/Channel<T, TClose>