add null check

2021-06-04 22:21:54 -04:00 · 2021-06-04 22:21:54 -04:00 · 724e334c26
parent 4b956fdff0
commit 724e334c26
1 changed files with 1 additions and 1 deletions
--- a/lights.js
+++ b/lights.js
@ -99,7 +99,7 @@ function tick_pattern() {

  let parsed = pattern.parsed;

-  if (parsed.length > 0) {
+  if (parsed && parsed.length > 0) {
    for (let i = 0; i < cfg.leds; i++) {
      for (let id in parsed) {
        let command = parsed[id];