small fix to make it work for odd browsers

Make the code work when browser don't support @Property and --color don't is parsed as color by the browser
jcubic · Feb 19, 2024 · 23edba9 · 23edba9
1 parent 2fc573e
commit 23edba9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/js/terminal.js b/lib/js/terminal.js
@@ -242,7 +242,7 @@ var terminal = (function($) {
                     tooltip.css({
                         '--left': left,
                         '--top': top,
-                        '--color': contrast_color(color),
+                        '--color': contrast_color(color) || 'black',
                         '--background': color,
                         '--right': right
                     }).addClass(cls.join(' '));
@@ -258,6 +258,9 @@ var terminal = (function($) {
         // ref: https://codepen.io/ikarium/pen/yXPQpo MIT
         function contrast_color(rgba){
             rgba = rgba.match(/\d+/g);
+            if (!rgba) {
+                return;
+            }
             if ((rgba[0] * 0.299) + (rgba[1] * 0.587) + (rgba[2] * 0.114) > 186) {
                 return 'black';
             } else {