Attribute

An annotation to specify that a constant attribute value should be injected.

The directive can inject constant string literals of host element attributes.

Example

Suppose we have an <input> element and want to know its type.

<input type="text">

A decorator can inject string literal text like so:

@Directive(selector: 'input')
class InputAttrDirective {
  InputAttrDirective(@Attribute('type') String type) {
    // type would be 'text' in this example
  }
}