gpadvs-dropdown-remove-button.js: Added snippet to show "Clear" button.

Author: veryspry

gp-advanced-select/gpadvs-clear-button.js

@@ -0,0 +1,38 @@
+/**
+ * Gravity Perks // Advanced Select // Clear Button
+ * https://gravitywiz.com/documentation/gravity-forms-advanced-select/
+ *
+ * Adds a Clearn button to selection options in Dropdown fields. By default,
+ * the remove button is only added to Multi-Select fields.
+ * 
+ * The Clear Button is a built in plugin of Tom Select.
+ * @reference https://tom-select.js.org/plugins/clear-button/
+ *
+ * Instructions:
+ *
+ * 1. Install this snippet with our free Custom JavaScript plugin.
+ *    https://gravitywiz.com/gravity-forms-code-chest/
+ */
+
+function getNestedKey(obj, path) {
+    for (piece of path) {
+        if (!obj.hasOwnProperty(piece)) {
+            return undefined;
+        }
+
+        obj = obj[piece];
+    }
+
+    return obj;
+}
+
+window.gform.addFilter(
+    'gpadvs_settings',
+    function(settings, gpadvsInstance, selectNamespace) {
+        settings.plugins.clear_button = {
+            title: 'Clear options',
+        };
+
+        return settings;
+    }
+);