Guarantee a node-style async function is only executed once.
var once = require('async-once');
var count = 0;
var myAsyncFunc = once(function (cb) {
count++;
cb(null, count);
});
myAsyncFunc(function (err, result) {
assert(result === 1);
});
myAsyncFunc(function (err, result) {
assert(result === 1);
});
assert(count === 1);
once(fn)Takes a node-style async function (fn) to ensure it's only called once. The function should accept a callback as its last parameter which is called with cb(err, result). Returns a function that can be called any number of times but will only execute once. Arguments passed to the returned function will be passed to the fn.
MIT
FAQs
Guarantee a node-style async function is only executed once.
The npm package async-once receives a total of 120 weekly downloads. As such, async-once popularity was classified as not popular.
We found that async-once demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Research
Security News
Socket researchers uncover a malicious npm package posing as a tool for detecting vulnerabilities in Etherium smart contracts.
Security News
Research
A supply chain attack on Rspack's npm packages injected cryptomining malware, potentially impacting thousands of developers.
Research
Security News
Socket researchers discovered a malware campaign on npm delivering the Skuld infostealer via typosquatted packages, exposing sensitive data.