w2utils.extend

Extends an object or an array
extend(target, source1, source2, ...)
target object or array, object to clone
source1 object or array, object to clone
Returns Object or Array
Extends the specified object or the array. If target is an array, then the source-N can only be an array too. It will perform a concatination of arrays, cloning each item. If target is an object, then the source-N can only be objects and it will extend target with all keys in the source, cloning them. It is not a deep merge, but rather copy of top level keys cloning if they are objects

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