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callback-ops
Advanced tools
Just a few callback wrappers to abstract out common result or error wrangling code.
npm install callback-ops
var co = require('callback-ops');
Alias: result.
Overwrites return value(s) passed to a callback. Errors are propagated unchanged.
function insertLinks(links, callback) {
// Create query
var query = db.insert('link', links);
// Run query, but ignore its result, pass number or links inserted instead
query.run(co.return(links.length, callback));
}
Can be used to completely strip results:
// Run query, but don't pass it result to callback
query.run(co.return(callback));
Select part of result passed to callback.
keys
could be strings for object properties or numbers for array indexes.
// Pass func2 result to callback
async.serial([func1, func2, func3], co.select(1, callback))
// Select .rows[0].name from result before passing to callback
client.query('select name from user', [],
co.select('rows', 0, 'name', callback))
Passes default to callback instead of error.
FAQs
Callback wrappers
The npm package callback-ops receives a total of 0 weekly downloads. As such, callback-ops popularity was classified as not popular.
We found that callback-ops 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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Product
Socket Firewall is a free tool that blocks malicious packages at install time, giving developers proactive protection against rising supply chain attacks.