Added shortcut input controls to make custom shortcuts work

resources/js/components/shortcut-input.js

@@ -0,0 +1,57 @@
+/**
+ * Keys to ignore when recording shortcuts.
+ * @type {string[]}
+ */
+const ignoreKeys = ['Control', 'Alt', 'Shift', 'Meta', 'Super', ' ', '+', 'Tab', 'Escape'];
+
+/**
+ * @extends {Component}
+ */
+class ShortcutInput {
+
+    setup() {
+        this.input = this.$el;
+
+        this.setupListeners();
+    }
+
+    setupListeners() {
+        this.listenerRecordKey = this.listenerRecordKey.bind(this);
+
+        this.input.addEventListener('focus', () => {
+             this.startListeningForInput();
+        });
+
+        this.input.addEventListener('blur', () => {
+            this.stopListeningForInput();
+        })
+    }
+
+    startListeningForInput() {
+        this.input.addEventListener('keydown', this.listenerRecordKey)
+    }
+
+    /**
+     * @param {KeyboardEvent} event
+     */
+    listenerRecordKey(event) {
+        if (ignoreKeys.includes(event.key)) {
+            return;
+        }
+
+        const keys = [
+            event.ctrlKey ? 'Ctrl' : '',
+            event.metaKey ? 'Cmd' : '',
+            event.key,
+        ];
+
+        this.input.value = keys.filter(s => Boolean(s)).join(' + ');
+    }
+
+    stopListeningForInput() {
+        this.input.removeEventListener('keydown', this.listenerRecordKey);
+    }
+
+}
+
+export default ShortcutInput;