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iferr

Higher-order functions for easier error handling

    1.0.2latest
    GitHub
    npm

Version published
Maintainers
1
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6,177,344
increased by2.73%

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iferr

Higher-order functions for easier error handling.

if (err) return cb(err); be gone!

Install

npm install iferr

Use

JavaScript/ES6 example

var iferr = require('iferr');

function get_friends_count(id, cb) {
  User.load_user(id, iferr(cb, user =>
    user.load_friends(iferr(cb, friends =>
      cb(null, friends.length)
    ))
  ))
}

JavaScript/ES5 example

var iferr = require('iferr');

function get_friends_count(id, cb) {
  User.load_user(id, iferr(cb, function(user) {
    user.load_friends(iferr(cb, function(friends) {
      cb(null, friends.length)
    }))
  }))
}

CoffeeScript example

iferr = require 'iferr'

get_friends_count = (id, cb) ->
  User.load_user id, iferr cb, (user) ->
    user.load_friends iferr cb, (friends) ->
      cb null, friends.length

(TODO: document tiferr, throwerr and printerr)

License

MIT

Keywords

FAQs

Last updated on 18 Jun 2018

Did you know?

Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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