Iterate over object in Angular

Question

I am trying to do some things in Angular 2 Alpha 28, and am having an issue with dictionaries and NgFor.

I have an interface in TypeScript looking like this:

Answer 1

So I was going to implement my own helper function, objLength(obj), which returns just Object(obj).keys.length. But then when I was adding it to my template *ngIf function, my IDE suggested objectKeys(). I tried it, and it worked. Following it to its declaration, it appears to be offered by lib.es5.d.ts, so there you go!

Here's how I implemented it (I have a custom object that uses server-side generated keys as an index for files I've uploaded):

        

          
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{{file.value['fileName']}}