Norwegian Polka Music

    promise-preserve

    1.0.2 • Public • Published

    promise-preserve

    Build Status Code Climate Dependency Status

    Preserve the result in a promise chain.

    Install

    npm install --save `promise-preserve`

    Usage

    var preserve = require('promise-preserve');
     
    var promise = new Promise(function(resolve, reject) {
      resolve('Hello world!');
    });
     
    promise.then(preserve(function(result) {
      console.log(result); // prints 'Hello world!';
      return 'foobar';
    }).then(function(result) {
      // prints 'Hello world!'; as promise-preserve preserved the value of the
      // promise chain
      console.log(result);
      return 'foobar';
    }).then(function(result) {
      // prints 'foobar' as the previous function did not preserve the result
      console.log(result);
    });

    API

    preserve(fn) preserve a function

    Wraps the function so that when it is called, it does not modify the result in a promise chain.

    preserve(obj, name) preserve a method

    Wraps the method so that when it is called, it will be called with the right context and it will not change the result in a promise chain.

    Install

    npm i promise-preserve

    DownloadsWeekly Downloads

    70

    Version

    1.0.2

    License

    ISC

    Last publish

    Collaborators

    • leahcimic