package.json
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{
"_args": [
[
{
"raw": "after@0.8.2",
"scope": null,
"escapedName": "after",
"name": "after",
"rawSpec": "0.8.2",
"spec": "0.8.2",
"type": "version"
},
"/Users/fzy/project/3mang/node_modules/engine.io-parser"
]
],
"_from": "after@0.8.2",
"_id": "after@0.8.2",
"_inCache": true,
"_location": "/after",
"_nodeVersion": "0.10.32",
"_npmOperationalInternal": {
"host": "packages-12-west.internal.npmjs.com",
"tmp": "tmp/after-0.8.2.tgz_1471308639186_0.9132961586583406"
},
"_npmUser": {
"name": "raynos",
"email": "raynos2@gmail.com"
},
"_npmVersion": "2.15.9",
"_phantomChildren": {},
"_requested": {
"raw": "after@0.8.2",
"scope": null,
"escapedName": "after",
"name": "after",
"rawSpec": "0.8.2",
"spec": "0.8.2",
"type": "version"
},
"_requiredBy": [
"/engine.io-parser"
],
"_resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
"_shasum": "fedb394f9f0e02aa9768e702bda23b505fae7e1f",
"_shrinkwrap": null,
"_spec": "after@0.8.2",
"_where": "/Users/fzy/project/3mang/node_modules/engine.io-parser",
"author": {
"name": "Raynos",
"email": "raynos2@gmail.com"
},
"bugs": {
"url": "https://github.com/Raynos/after/issues"
},
"contributors": [
{
"name": "Raynos",
"email": "raynos2@gmail.com",
"url": "http://raynos.org"
}
],
"dependencies": {},
"description": "after - tiny flow control",
"devDependencies": {
"mocha": "~1.8.1"
},
"directories": {},
"dist": {
"shasum": "fedb394f9f0e02aa9768e702bda23b505fae7e1f",
"tarball": "https://registry.npmjs.org/after/-/after-0.8.2.tgz"
},
"gitHead": "e8c26046f36962b90e68dc5df33a9672a54b25f5",
"homepage": "https://github.com/Raynos/after#readme",
"keywords": [
"flowcontrol",
"after",
"flow",
"control",
"arch"
],
"license": "MIT",
"maintainers": [
{
"name": "raynos",
"email": "raynos2@gmail.com"
},
{
"name": "defunctzombie",
"email": "shtylman@gmail.com"
}
],
"name": "after",
"optionalDependencies": {},
"readme": "# After [![Build Status][1]][2]\n\nInvoke callback after n calls\n\n## Status: production ready\n\n## Example\n\n```js\nvar after = require(\"after\")\nvar db = require(\"./db\") // some db.\n\nvar updateUser = function (req, res) {\n // use after to run two tasks in parallel,\n // namely get request body and get session\n // then run updateUser with the results\n var next = after(2, updateUser)\n var results = {}\n \n getJSONBody(req, res, function (err, body) {\n if (err) return next(err)\n \n results.body = body\n next(null, results)\n })\n \n getSessionUser(req, res, function (err, user) {\n if (err) return next(err)\n \n results.user = user\n next(null, results)\n })\n \n // now do the thing!\n function updateUser(err, result) {\n if (err) {\n res.statusCode = 500\n return res.end(\"Unexpected Error\")\n }\n \n if (!result.user || result.user.role !== \"admin\") {\n res.statusCode = 403\n return res.end(\"Permission Denied\")\n }\n \n db.put(\"users:\" + req.params.userId, result.body, function (err) {\n if (err) {\n res.statusCode = 500\n return res.end(\"Unexpected Error\")\n }\n \n res.statusCode = 200\n res.end(\"Ok\") \n }) \n }\n}\n```\n\n## Naive Example\n\n```js\nvar after = require(\"after\")\n , next = after(3, logItWorks)\n\nnext()\nnext()\nnext() // it works\n\nfunction logItWorks() {\n console.log(\"it works!\")\n}\n```\n\n## Example with error handling\n\n```js\nvar after = require(\"after\")\n , next = after(3, logError)\n\nnext()\nnext(new Error(\"oops\")) // logs oops\nnext() // does nothing\n\n// This callback is only called once.\n// If there is an error the callback gets called immediately\n// this avoids the situation where errors get lost.\nfunction logError(err) {\n console.log(err)\n}\n```\n\n## Installation\n\n`npm install after`\n\n## Tests\n\n`npm test`\n\n## Contributors\n\n - Raynos\n - defunctzombie\n\n## MIT Licenced\n\n [1]: https://secure.travis-ci.org/Raynos/after.png\n [2]: http://travis-ci.org/Raynos/after\n [3]: http://raynos.org/blog/2/Flow-control-in-node.js\n [4]: http://stackoverflow.com/questions/6852059/determining-the-end-of-asynchronous-operations-javascript/6852307#6852307\n [5]: http://stackoverflow.com/questions/6869872/in-javascript-what-are-best-practices-for-executing-multiple-asynchronous-functi/6870031#6870031\n [6]: http://stackoverflow.com/questions/6864397/javascript-performance-long-running-tasks/6889419#6889419\n [7]: http://stackoverflow.com/questions/6597493/synchronous-database-queries-with-node-js/6620091#6620091\n [8]: http://github.com/Raynos/iterators\n [9]: http://github.com/Raynos/composite\n",
"readmeFilename": "README.md",
"repository": {
"type": "git",
"url": "git://github.com/Raynos/after.git"
},
"scripts": {
"test": "mocha --ui tdd --reporter spec test/*.js"
},
"version": "0.8.2"
}