Replace flags property of RegExp with a more compatible alternative

PrismJS · Jun 18, 2016 · 9893489 · 9893489
1 parent 912bdfe
commit 9893489
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Showing 3 changed files with 5 additions and 3 deletions.
diff --git a/components/prism-core.js b/components/prism-core.js
@@ -282,7 +282,8 @@ var _ = _self.Prism = {
 
 				if (greedy && !pattern.pattern.global) {
 					// Without the global flag, lastIndex won't work
-					pattern.pattern = RegExp(pattern.pattern.source, pattern.pattern.flags + "g");
+					var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
+					pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
 				}
 
 				pattern = pattern.pattern || pattern;

diff --git a/components/prism-core.min.js b/components/prism-core.min.js
diff --git a/prism.js b/prism.js
@@ -287,7 +287,8 @@ var _ = _self.Prism = {
 
 				if (greedy && !pattern.pattern.global) {
 					// Without the global flag, lastIndex won't work
-					pattern.pattern = RegExp(pattern.pattern.source, pattern.pattern.flags + "g");
+					var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
+					pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
 				}
 
 				pattern = pattern.pattern || pattern;