/usr/share/doc/node-lie/README.md is in node-lie 3.1.1+dfsg-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | # lie
<a href="http://promises-aplus.github.com/promises-spec">
<img src="http://promises-aplus.github.com/promises-spec/assets/logo-small.png"
alt="Promises/A+ logo" title="Promises/A+ 1.1 compliant" align="right" />
</a> [](https://travis-ci.org/calvinmetcalf/lie)
lie a small, performant, promise library implementing the [Promises/A+ spec Version 1.1](http://promises-aplus.github.com/promises-spec/).
A originally a fork of [Ruben Verborgh's](https://github.com/RubenVerborgh) library called [promiscuous](https://github.com/RubenVerborgh/promiscuous), version 2.6 and above are forked from [ayepromise](https://github.com/cburgmer/ayepromise) by [Chris Burgmer](https://github.com/cburgmer).
```bash
npm install lie
```
```javascript
var Promise = require('lie');
// or use the pollyfill
require('lie/polyfill');
```
## Usage
Either use it with [browserify](http://browserify.org/) (recommended) or grab one of the files from the dist folder
- lie.js/lie.min.js makes 'Promise' available in global scope (or since it's a UMD `Promise` will be available through a CJS or AMD loader if it's available instead)
- lie.polyfill.js/lie.polyfill.min.js adds 'Promise' to the global scope only if it's not already defined (not a UMD).
## API
Implements the standard ES6 api,
```js
new Promise(function(resolve, reject){
doSomething(function(err, result) {
if (err) {
reject(err);
} else {
resolve(result);
}
});
}).then(function (value) {
//on success
}, function (reason) {
//on error
}).catch(function (reason) {
//shortcut for error handling
});
Promise.all([
//array of promises or values
]).then(function ([/* array of results */]));
Promise.race([
//array of promises or values
]);
// either resolves or rejects depending on the first value to do so
```
## Unhandled Rejections
In node lie emits `unhandledRejection` events when promises are not handled in
line with how [iojs does so](https://iojs.org/api/process.html#process_event_unhandledrejection)
meaning it can act as promise shim in node as well as the browser.
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