Retrieves directive instances associated with a given DOM node. Does not include component instances.

Usage notes

Given the following DOM structure:

<app-root>
  <button my-button></button>
  <my-comp></my-comp>
</app-root>

Calling getDirectives on <button> will return an array with an instance of the MyButton directive that is associated with the DOM node.

Calling getDirectives on <my-comp> will return an empty array.