pax_global_header00006660000000000000000000000064130544407770014525gustar00rootroot0000000000000052 comment=9de9f26d8ecfe28d067cbd84630676dfea415e4a promise-inflight-1.0.1/000077500000000000000000000000001305444077700150045ustar00rootroot00000000000000promise-inflight-1.0.1/.gitignore000066400000000000000000000000271305444077700167730ustar00rootroot00000000000000*~ .#* coverage .nyc_* promise-inflight-1.0.1/LICENSE000066400000000000000000000013601305444077700160110ustar00rootroot00000000000000Copyright (c) 2017, Rebecca Turner Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. promise-inflight-1.0.1/README.md000066400000000000000000000014161305444077700162650ustar00rootroot00000000000000# promise-inflight One promise for multiple requests in flight to avoid async duplication ## USAGE ```javascript const inflight = require('promise-inflight') // some request that does some stuff function req(key) { // key is any random string. like a url or filename or whatever. return inflight(key, () => { // this is where you'd fetch the url or whatever return Promise.delay(100) }) } // only assigns a single setTimeout // when it dings, all thens get called with the same result. (There's only // one underlying promise.) req('foo').then(…) req('foo').then(…) req('foo').then(…) req('foo').then(…) ``` ## SEE ALSO * [inflight](https://npmjs.com/package/inflight) - For the callback based function on which this is based. ## STILL NEEDS Tests! promise-inflight-1.0.1/inflight.js000066400000000000000000000015121305444077700171450ustar00rootroot00000000000000'use strict' module.exports = inflight let Bluebird try { Bluebird = require('bluebird') } catch (_) { Bluebird = Promise } const active = {} inflight.active = active function inflight (unique, doFly) { return Bluebird.all([unique, doFly]).then(function (args) { const unique = args[0] const doFly = args[1] if (Array.isArray(unique)) { return Bluebird.all(unique).then(function (uniqueArr) { return _inflight(uniqueArr.join(''), doFly) }) } else { return _inflight(unique, doFly) } }) function _inflight (unique, doFly) { if (!active[unique]) { active[unique] = (new Bluebird(function (resolve) { return resolve(doFly()) })) active[unique].then(cleanup, cleanup) function cleanup() { delete active[unique] } } return active[unique] } } promise-inflight-1.0.1/package.json000066400000000000000000000012351305444077700172730ustar00rootroot00000000000000{ "name": "promise-inflight", "version": "1.0.1", "description": "One promise for multiple requests in flight to avoid async duplication", "main": "inflight.js", "files": [ "inflight.js" ], "license": "ISC", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "keywords": [], "author": "Rebecca Turner (http://re-becca.org/)", "devDependencies": {}, "repository": { "type": "git", "url": "git+https://github.com/iarna/promise-inflight.git" }, "bugs": { "url": "https://github.com/iarna/promise-inflight/issues" }, "homepage": "https://github.com/iarna/promise-inflight#readme" }