What are some examples of async iterables in JavaScript?

Can you give me some examples of async iterables in JavaScript?

Sure! An async iterable is an object that implements the AsyncIterable interface, allowing you to use the for await...of loop. One example is fetching data from an API.

How would I create an async iterable from an array?

You can create an async iterable from an array by using an async generator function. Here's a simple example:

async function* asyncIterableFromArray(arr) {
    for (const item of arr) {
        yield item;
    }
}

Can you show me how to use it with a for await...of loop?

Absolutely! You can use it like this:

const arr = [1, 2, 3];

for await (const value of asyncIterableFromArray(arr)) {
    console.log(value);
}
``` This will log each value in the array.

What about using async iterables with fetch?

You can use async iterables to process data from a fetch response. For example:

async function* fetchAsyncIterable(url) {
    const response = await fetch(url);
    const reader = response.body.getReader();
    let result;
    while (!(result = await reader.read()).done) {
        yield result.value;
    }
}