76 lines
1.8 KiB
Markdown
76 lines
1.8 KiB
Markdown
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# After [![Build Status][1]][2]
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Invoke callback after n calls
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## Status: production ready
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## Example
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var after = require("after")
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, next = after(3, logItWorks)
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next()
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next()
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next() // it works
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function logItWorks() {
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console.log("it works!")
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}
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## Example with error handling
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var after = require("after")
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, next = after(3, logError)
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next()
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next(new Error("oops")) // logs oops
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next() // does nothing
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function logError(err) {
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console.log(err)
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}
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## After < 0.6.0
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Older versions of after had iterators and flows in them.
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These have been replaced with seperate modules
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- [iterators][8]
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- [composite][9]
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## Installation
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`npm install after`
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## Tests
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`npm test`
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## Blog post
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- [Flow control in node.js][3]
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## Examples :
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- [Determining the end of asynchronous operations][4]
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- [In javascript what are best practices for executing multiple asynchronous functions][5]
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- [JavaScript performance long running tasks][6]
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- [Synchronous database queries with node.js][7]
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## Contributors
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- Raynos
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## MIT Licenced
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[1]: https://secure.travis-ci.org/Raynos/after.png
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[2]: http://travis-ci.org/Raynos/after
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[3]: http://raynos.org/blog/2/Flow-control-in-node.js
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[4]: http://stackoverflow.com/questions/6852059/determining-the-end-of-asynchronous-operations-javascript/6852307#6852307
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[5]: http://stackoverflow.com/questions/6869872/in-javascript-what-are-best-practices-for-executing-multiple-asynchronous-functi/6870031#6870031
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[6]: http://stackoverflow.com/questions/6864397/javascript-performance-long-running-tasks/6889419#6889419
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[7]: http://stackoverflow.com/questions/6597493/synchronous-database-queries-with-node-js/6620091#6620091
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[8]: http://github.com/Raynos/iterators
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[9]: http://github.com/Raynos/composite
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