Improve Prism.util.type performance (#1545)

Drop the regex in favor of a faster `slice` call.
PrismJS · Nov 28, 2018 · 2864fe2 · 2864fe2
1 parent 10239c1
commit 2864fe2
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diff --git a/components/prism-core.js b/components/prism-core.js
@@ -33,7 +33,7 @@ var _ = _self.Prism = {
 		},
 
 		type: function (o) {
-			return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
+			return Object.prototype.toString.call(o).slice(8, -1);
 		},
 
 		objId: function (obj) {

diff --git a/components/prism-core.min.js b/components/prism-core.min.js
diff --git a/prism.js b/prism.js
@@ -38,7 +38,7 @@ var _ = _self.Prism = {
 		},
 
 		type: function (o) {
-			return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
+			return Object.prototype.toString.call(o).slice(8, -1);
 		},
 
 		objId: function (obj) {