Introduction
Asynchronous programming in TypeScript can be challenging, especially when dealing with concurrency. Inspired by Golang's chan
, I created a library, @harnyk/chan
, to bring similar functionality to TypeScript, enabling efficient and manageable concurrency.
What is @harnyk/chan
?
@harnyk/chan
is a TypeScript library that mimics Golang's channel mechanism. It allows for safe, concurrent communication between asynchronous tasks, similar to Go’s chan
.
Features
-
Basic Channel Operations:
-
Send and Receive: Channels in
@harnyk/chan
can be used to send and receive values between asynchronous functions. - Buffered Channels: Support for buffered channels to handle multiple values.
-
Send and Receive: Channels in
-
Asynchronous Iteration:
- Channels can be iterated asynchronously using
for-await-of
, making it easy to process values as they are received.
- Channels can be iterated asynchronously using
-
Select Statement:
- The
select
statement allows you to wait on multiple channel operations, choosing whichever operation is ready first, similar to Go's select.
- The
Example Usage
Here’s a simple example demonstrating how to use @harnyk/chan
:
import { chan, select } from '@harnyk/chan';
const ch = chan<number>();
// Producer
(async () => {
for (let i = 0; i < 5; i++) {
await ch.send(i);
}
ch.close();
})();
// Consumer
(async () => {
for await (const value of ch) {
console.log(value);
}
})();
Why Use @harnyk/chan
?
- Improved Concurrency Management: Easily manage concurrent tasks and communications.
-
Enhanced Readability: Clear and concise syntax inspired by Go’s
chan
. - Robust Asynchronous Patterns: Leverage the power of channels to build more complex and reliable async workflows.
Conclusion
@harnyk/chan
brings the power of Golang's chan
to TypeScript, making asynchronous programming more manageable and efficient. Whether you are dealing with complex async workflows or just need a better way to handle concurrency, @harnyk/chan
can be a valuable tool in your TypeScript toolkit.
Links
Check out the GitHub repository for more examples and documentation. For a deeper dive, read the original blog post. Happy coding!
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