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Member "Atom/resources/app/apm/node_modules/iferr/README.md" (8 Mar 2017, 675 Bytes) of archive /windows/misc/atom-windows.zip:

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Higher-order functions for easier error handling.

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


npm install iferr


JavaScript 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)