Retrieving the initial element that satisfies a condition within Angular

Here is the Angular 1.0 code that I am currently struggling with:

  <div ng-repeat="ebook in vml.ebooks">
    <img data-ng-src="{{ ebook.files.filter(function (v) { return v.type === 'ebook.cover'; })[0].url }}" />
  </div>

Unfortunately, I am encountering the following error:

"Error: [$parse:syntax] Syntax Error: Token 'ebook' is an unexpected token at column 55 of the expression ['ebook.files.filter(function (v) { return v.type === 'ebook.cover'; })[0].url'] starting at [ebook.cover'; })[0].url'].

Could someone please help me troubleshoot this issue?

I am wondering if it would be feasible to convert this code snippet into a filter?

Essentially, I am trying to retrieve the first object with a specific type from a list of objects (files).

javascriptangularjs

Answer №1

Of course! Feel free to customize your filter and then simply insert it into the data-ng-src attribute:

data-ng-src="{{ myFiles | customFilter:'book.image' }}

Answer №2

When working with Angular expressions, it's important to note that the Array.prototype.filter method cannot be used. Instead, utilize Angular filters for this purpose. The code snippet below demonstrates how to achieve the desired functionality:

data-ng-src="{{ (ebook.files | filter:{type:'ebook.cover'})[0].url }}"

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