Deep assigning objects with different property types

[parro-it]

I have to assign an object to another that could have prop of different kind.

In this example:

var assign = require('deep-assign');
assign({ prop: 'test1' }, { prop: ['u'] });

deep-assign try to set string characters to elements of the ['u'] array, and it throws
TypeError: Cannot assign to read only property '0' of [object String].
You can test it on tonicdev

I was instead expecting to obtain as result { prop: ['u'] }. That is, I was expecting the whole target prop to be overwritten by the source prop, being it a string and not an object.

Is this by design? If not , I could write a PR to implement the expectation I explain.

[schnittstabil]

@parro-it In my opinion that is the expected behavior, because we recursively Object.assign():

assign({ prop: 'test1' }, { prop: ['u'] });

// should be similar to
{prop: deep_assign('test1', ['u'])}

// which have to be the same as 
{prop: Object.assign('test1', ['u'])}
//=> TypeError: Cannot assign to read only property '0' of [object String]

I'm open for suggestions, but please read #13 (comment) first.

I close this issue, in favor of #13, please reopen if needed.