You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
669 B
31 lines
669 B
/*! |
|
* object.reduce <https://github.com/jonschlinkert/object.reduce> |
|
* |
|
* Copyright (c) 2014-2015, 2017, Jon Schlinkert. |
|
* Released under the MIT License. |
|
*/ |
|
|
|
'use strict'; |
|
|
|
var makeIterator = require('make-iterator'); |
|
var forOwn = require('for-own'); |
|
|
|
module.exports = function reduce(target, fn, acc, thisArg) { |
|
var first = arguments.length > 2; |
|
if (target && !Object.keys(target).length && !first) { |
|
return null; |
|
} |
|
|
|
var iterator = makeIterator(fn, thisArg); |
|
|
|
forOwn(target, function(value, key, orig) { |
|
if (!first) { |
|
acc = value; |
|
first = true; |
|
} else { |
|
acc = iterator(acc, value, key, orig); |
|
} |
|
}); |
|
|
|
return acc; |
|
};
|
|
|