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fastqueue
Advanced tools
Readme
While normal JavaScript arrays can be used as FIFO queues, the .shift()
call is very slow if the queue gets large because it has to reindex all the remaining items on every shift.
This library is a fast queue that only implements .push(item)
, .shift()
, .unshift(item)
and .length
from the Array interface.
Internally it uses two arrays and cycles them and uses counters so that the .shift()
calls are still fast.
var Queue = require('fastqueue');
var q = new Queue;
q.push(1);
q.push(2);
q.push(3);
var i = 4;
while (q.length > 0) {
console.log(q.length, q.shift());
q.unshift(i++);
console.log(q.length, q.shift());
q.push(i++);
console.log(q.length, q.shift());
}
FAQs
A fast push/shift sync queue
The npm package fastqueue receives a total of 2,243 weekly downloads. As such, fastqueue popularity was classified as popular.
We found that fastqueue demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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