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- # 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!
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