style: format js files
diff --git a/erpnext/public/js/event.js b/erpnext/public/js/event.js
index 665c8fb..a673391 100644
--- a/erpnext/public/js/event.js
+++ b/erpnext/public/js/event.js
@@ -3,33 +3,53 @@
 frappe.provide("frappe.desk");
 
 frappe.ui.form.on("Event", {
-	refresh: function(frm) {
-		frm.set_query('reference_doctype', "event_participants", function() {
+	refresh: function (frm) {
+		frm.set_query("reference_doctype", "event_participants", function () {
 			return {
-				"filters": {
-					"name": ["in", ["Contact", "Lead", "Customer", "Supplier", "Employee", "Sales Partner"]]
-				}
+				filters: {
+					name: ["in", ["Contact", "Lead", "Customer", "Supplier", "Employee", "Sales Partner"]],
+				},
 			};
 		});
 
-		frm.add_custom_button(__('Add Leads'), function() {
-			new frappe.desk.eventParticipants(frm, "Lead");
-		}, __("Add Participants"));
+		frm.add_custom_button(
+			__("Add Leads"),
+			function () {
+				new frappe.desk.eventParticipants(frm, "Lead");
+			},
+			__("Add Participants")
+		);
 
-		frm.add_custom_button(__('Add Customers'), function() {
-			new frappe.desk.eventParticipants(frm, "Customer");
-		}, __("Add Participants"));
+		frm.add_custom_button(
+			__("Add Customers"),
+			function () {
+				new frappe.desk.eventParticipants(frm, "Customer");
+			},
+			__("Add Participants")
+		);
 
-		frm.add_custom_button(__('Add Suppliers'), function() {
-			new frappe.desk.eventParticipants(frm, "Supplier");
-		}, __("Add Participants"));
+		frm.add_custom_button(
+			__("Add Suppliers"),
+			function () {
+				new frappe.desk.eventParticipants(frm, "Supplier");
+			},
+			__("Add Participants")
+		);
 
-		frm.add_custom_button(__('Add Employees'), function() {
-			new frappe.desk.eventParticipants(frm, "Employee");
-		}, __("Add Participants"));
+		frm.add_custom_button(
+			__("Add Employees"),
+			function () {
+				new frappe.desk.eventParticipants(frm, "Employee");
+			},
+			__("Add Participants")
+		);
 
-		frm.add_custom_button(__('Add Sales Partners'), function() {
-			new frappe.desk.eventParticipants(frm, "Sales Partners");
-		}, __("Add Participants"));
-	}
+		frm.add_custom_button(
+			__("Add Sales Partners"),
+			function () {
+				new frappe.desk.eventParticipants(frm, "Sales Partners");
+			},
+			__("Add Participants")
+		);
+	},
 });