proback.js - dependency-free very minimal helper for APIs with Promise/callback dual design
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proback.js is an extremely tiny helper library to help the creation of APIs where functions are aimed to enable Promise-based and callback-based design as well.
Usage
Command line:
npm install proback.js --save
In JS code:
var Proback = ; ... // your service. If callback is present, works as expected, If not, promise will be provided. { { //some callback is needed? object } }
var Proback = ; ... // your service. If callback is present, works as expected, If not, promise will be provided. { return { //some callback is needed? object } }
Rules
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quicker ( res, callback ) Defines a simple promise to send a result through the optional callback as well
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thrower ( err, callback ) Defines a simple promise to throw an error through the optional callback as well
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syncAll (promises) Performes all promises in order
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forAll ( promises, callback, defaultRes ) Performes all promises and channel the result to the given callback
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handler ( callback, resolve, reject ) Defines a callback function, which will use the passed opional callback and promise functions to channel the results
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returner ( err, res, callback, resolve, reject ) Error mades it mark the error through the optional callback and the optional reject function or send the result back to the optional callback or the optional resolve function
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resolver (res, callback, resolve) Sends a result through the optional callback and the optional reject function
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rejecter (err, callback, reject) Marks an error through the optional callback and the optional reject function