How to you propose to change the __id__ value ?

[cadesalaberry]

In my use of xdiff, I need to deduce uniqueness from the "id" field, not __id__. I have seen it was one of your next amelioration.

How do you propose to go about it ?

I was thinking about:

var x = require('xdiff').withIdField('id')

var x = require('xdiff')
x.setIdField('id')

A bit uglier, add an idField parameter to all the functions defaulting to __id__ if not specified:

function shallowEqual (a, b, idField) {
...

[dominictarr]

I prefer the "ugly" one, to be honest.

[cadesalaberry]

I looked around a bit, and it seemed that https://www.npmjs.com/package/diff-json had a pretty nice way to do it with a primary key object.

Other than that, I realised one of your fork actually had the id implementation: https://github.com/carlos8f/xdiff

I think that's what I will try to use for now.

Cheers

[dominictarr]

I didn't notice that! @carlos8f would you like to make a pull request?