Custom Class: Fixed TypeError when mapper is undefined (#2167)

PrismJS · Jan 10, 2020 · 543f04d · 543f04d
1 parent c40d96c
commit 543f04d
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diff --git a/plugins/custom-class/prism-custom-class.js b/plugins/custom-class/prism-custom-class.js
@@ -88,7 +88,7 @@
 		}
 
 		env.classes = env.classes.map(function (c) {
-			return prefixString + mapper ? mapper(c, env.language) : c;
+			return prefixString + (mapper ? mapper(c, env.language) : c);
 		});
 	});
 

diff --git a/plugins/custom-class/prism-custom-class.min.js b/plugins/custom-class/prism-custom-class.min.js