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Proxmis is a very simple library to generate promises that can be used directly as typical two argument, error first, node.js callbacks.
##Node.js
To install:
npm install proxmis
To use:
var proxmis = require('proxmis');
##Usage
var proxmis = require('proxmis');
var fs = require('fs');
var callback = proxmis();
fs.stat('/var', callback);
callback.then(function (stats) {
//received folder stats
});
The first argument on proxmis()
can optionally be another callback to be invoked before the promise resolves, or an object containing extra options for how the promise will be resolved.
function fileStatWithCallbackOrPromise(cb) {
var prox = proxmis(cb);
fs.stat('/var', prox);
return prox;
}
var prox = proxmis({noError: true});
prox('first argument resolves', 'all other arguments ignored');
prox.then(function (result) {
// result = 'first argument resolves'
});
var prox = proxmis({allArgs: true});
prox('each argument resolves', 'together as', 'an array');
prox.then(function (result) {
// result = ['each argument resolves', 'together as', 'an array']
});
Proxmis also provides a routine for wrapping a traditional call in a closure, directly returning a promise.
proxmis.wrap(function (callback) {
fs.stat('/var', callback);
}).then(function (stats) {
//received folder stats
});
Proxmis uses the ES6 Promise Polyfill to generate the promise it returns.
FAQs
A generator for creating promises that can be used as node.js callbacks.
The npm package proxmis receives a total of 16 weekly downloads. As such, proxmis popularity was classified as not popular.
We found that proxmis demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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