From b859bb5b8adddba3c30c40f84f3c6e0b80232466 Mon Sep 17 00:00:00 2001
From: Zn10plays <72399198+Zn10plays@users.noreply.github.com>
Date: Fri, 5 Mar 2021 22:42:49 -0500
Subject: [PATCH] /effect fix

Closes #473
---
 src/lib/plugins/effects.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/plugins/effects.js b/src/lib/plugins/effects.js
index 56a9bdee..0b0c6041 100644
--- a/src/lib/plugins/effects.js
+++ b/src/lib/plugins/effects.js
@@ -1,3 +1,4 @@
+const { UserError } = require("../..")
 
 module.exports.entity = function (entity, serv) {
   entity.effects = {}
@@ -60,6 +61,7 @@ module.exports.server = function (serv) {
       return str.match(/(.+?) (\d+)(?: (\d+))?(?: (\d+))?(?: (true|false))?|.*? clear/) || false
     },
     action (params, ctx) {
+      if (!params[1]) return new UserError('Invalid selector string')
       const targets = ctx.player ? ctx.player.selectorString(params[1]) : serv.selectorString(params[1])
       if (params[2] === 'clear') {
         targets.forEach(e => Object.keys(e.effects).forEach(effectId => {