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Merge pull request #270 from ckeditor/t/ckeditor5/1341

Fix: There should be no memory leaks when the editor is created and destroyed (see ckeditor/ckeditor5#1341).
Aleksander Nowodzinski %!s(int64=7) %!d(string=hai) anos
pai
achega
32c012b1bb

+ 10 - 0
packages/ckeditor5-image/src/imagetextalternative/imagetextalternativeui.js

@@ -39,6 +39,16 @@ export default class ImageTextAlternativeUI extends Plugin {
 		this._createForm();
 	}
 
+	/**
+	 * @inheritDoc
+	 */
+	destroy() {
+		super.destroy();
+
+		// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).
+		this._form.destroy();
+	}
+
 	/**
 	 * Creates a button showing the balloon panel for changing the image text alternative and
 	 * registers it in the editor {@link module:ui/componentfactory~ComponentFactory ComponentFactory}.