Crash when running consuming app in dev mode, fine in prod mode

[kybishop]

Uncaught TypeError: Cannot read property 'length' of undefined
    at _loop (validation-decorator.js:61)
    at Function.create (validation-decorator.js:93)
    at Function.superWrapper (ember-utils.js:437)
    at Function.create (validated-component.js:27)
    at Function.superWrapper [as create] (ember-utils.js:437)
    at FactoryManager.create (container.js:391)
    at Proxy.create (container.js:135)
    at CurlyComponentManager.create (curly.js:178)
    at runtime.js:1671
    at AppendOpcodes.evaluate (runtime.js:70)

Tracks down to here: https://github.com/ember-decorators/argument/blob/master/addon/-debug/utils/validation-decorator.js#L64

This breaks dev mode for my own app, which depends on ember-attacher (which uses ember-popper)

[pzuraq]

Out of curiosity, what are your targets? Locally this transpiled to using Object.keys so it’s weird that the behavior is different here. Either way, thanks for the fix!

[pzuraq]

Fixed by #26