Line-numbers: Abort if element is empty. Fixex #669

PrismJS · Aug 15, 2015 · ee463e8 · ee463e8
1 parent 28e329c
commit ee463e8
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diff --git a/plugins/line-numbers/prism-line-numbers.js b/plugins/line-numbers/prism-line-numbers.js
@@ -1,4 +1,8 @@
 Prism.hooks.add('complete', function (env) {
+	if (!env.code) {
+		return;
+	}
+
 	// works only for <code> wrapped inside <pre> (not inline)
 	var pre = env.element.parentNode;
 	var clsReg = /\s*\bline-numbers\b\s*/;

diff --git a/plugins/line-numbers/prism-line-numbers.min.js b/plugins/line-numbers/prism-line-numbers.min.js