So when I pass in nested objects that include various different children, I was getting an error First parameter must be an object.

After debugging I found that even though the key is undefined (not sure what type the key actually was) if continued in the if clause:

if (typeof obj2[key] === 'object')
https://github.com/dispix/deep-diff/blob/master/src/deepDiff.js#L40

I used lodash isPlainObject-function and this did notice it was not actually a function.

typeof is not very reliable check as everything (or a lot of things) in javascript are considered objects. So an improvement might be needed in that check.

This only happened with more complex objects and I ran into this problem after using deepDiff with more complexly nested Objects

I might be able to open a PR in a few days, not sure when I have time to spare next. For now I just copied the code and use it straight in my application instead of including it as a package

Hi,

I believe there's an issue when trying to diff two objects that contain an array of object :

const obj1 = { prop1: [{ prop1: 'abc' }] };
const obj2 = { prop1: [{ prop1: 'abc' }] };
console.log(deepDiff(obj1, obj2));
// outputs {"prop1":[{"prop1":"abc"}]}

This is due to the fact arrayEquals only checks if the two props are arrays, but doesn't check if they are objects. It only runs this :

} else if (arr1[i] !== arr2[i]) {
    return false
}

I guess it should run the main deepDiff function instead, but no idea how that type of circular dependencies would be handled.

I'm currently developing a node application and when I try to launch with your module installed it throws the following error

module.js:471
    throw err;
    ^

Error: Cannot find module './utils/arrayEquals'
    at Function.Module._resolveFilename (module.js:469:15)
    at Function.Module._load (module.js:417:25)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\Users\YorkAARGH\Desktop\Tutorial-Bot\node_modules\return-deep-diff\dist\main.js:9:20)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)

I honestly have no idea how to fix this, but I thought you should know.

I'm running node v6.8.0 and npm 3.10.8 if that helps.

Subject

Testing the dist output in Travis in order to ensure the webpack build is correctly done (this would prevent issues like #1 ).

Lead

Have a script like npm test:dist that sets NODE_ENV=production and require the dist in the test suite instead of the sources.