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use-async-queue
Advanced tools
A React Hook implementing a queue for sync or async tasks, with optional concurrency limit.
Inspired by @caolan/async.queue.
Infinity
or less than 1 for no concurrency limit.id
(some unique primitive
value that makes sense for your use case -- a number, a url, etc.) and a
task
(a function that returns a Promise).
add
is called with a task that has an id
equal to the id
of a
pending or in-flight tasks, it will not be added to the queue.import useAsyncQueue from 'use-async-queue';
// Example shows a task fetching a url, but a task can be any operation.
const url = 'some url';
const inflight = task => {
console.log(`starting ${task.id}`);
console.dir(stats); // { numPending: 0, numInFlight: 1, numDone: 0}
};
const done = async task => {
const result = await task.result;
console.log(`finished ${task.id}: ${result}`);
console.dir(stats); // { numPending: 0, numInFlight: 0, numDone: 1}
};
const drain = () => {
console.log('all done');
console.dir(stats); // { numPending: 0, numInFlight: 0, numDone: 1}
};
const { add, stats } = useAsyncQueue({
concurrency: 1,
inflight,
done,
drain,
});
add({
id: url,
task: () => {
return fetch(url).then(res => res.text());
},
});
console.dir(stats); // { numPending: 1, numInFlight: 0, numDone: 0}
FAQs
Unknown package
We found that use-async-queue demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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