enzoaeneas

// knockout 3.4.0rc

ko.utils.addOrRemoveItem                        = function (array, value, included) { /* .. */ }

ko.utils.anyDomNodeIsAttachedToDocument         = function (nodes) { /* .. */ }

ko.utils.arrayFilter                            = function (array, predicate) { /* .. */ }

ko.utils.arrayFirst                             = function (array, predicate, predicateOwner) { /* .. */ }

enzoaeneas

// accepts optional transformer
// now transformers are compatible with ES6
String.prototype.template = function (fn, object) {'use strict';
  // Andrea Giammarchi - WTFPL License
  var
    hasTransformer = typeof fn === 'function',
    stringify = JSON.stringify,
    re = /\$\{([\S\s]*?)\}/g,
    strings = [],
    values = hasTransformer ? [] : strings,