Protect against script injection

js/input/KeyboardCanc.js

@@ -1,10 +1,17 @@
-import KeyboardShortcut from "./KeyboardShortcut";
+import KeyboardShortcut from "./KeyboardShortcut"
+import Configuration from "../Configuration"
 
 
 export default class KeyvoardCanc extends KeyboardShortcut {
 
+    /**
+     * 
+     * @param {HTMLElement} target 
+     * @param {import("../Blueprint").default} blueprint 
+     * @param {OBject} options 
+     */
     constructor(target, blueprint, options = {}) {
-        options.key = "Delete"
+        options = KeyboardShortcut.keyOptionsParse(options, Configuration.deleteNodesKeyboardKey)
         super(target, blueprint, options)
     }
 

js/input/KeyboardShortcut.js

@@ -27,6 +27,16 @@ export default class KeyboardShortcut extends Context {
         }
     }
 
+    /**
+     * 
+     * @param {String} keyString
+     * @returns {Object}
+     */
+    static keyOptionsParse(options, keyString) {
+        options.key = keyString
+        return options
+    }
+
     blueprintFocused() {
         document.addEventListener("keydown", this.keyDownHandler)
     }