Fixed lowercase supposed class names (#1544)

This PR fixes a bug with supposed class names. Lowercase supposed class names are no longer highlighted. **Before**: ![before](https://user-images.githubusercontent.com/20878432/44656379-e7c17900-a9f8-11e8-8b1a-7f1dd694263e.png) **After**: ![after](https://user-images.github usercontent.com/20878432/44656379-e7c17900-a9f8-11e8-8b1a-7f1dd694263e.png)
PrismJS · Aug 28, 2018 · a47c05a · a47c05a
1 parent 2b62e57
commit a47c05a
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Showing 4 changed files with 17 additions and 3 deletions.
diff --git a/components/prism-javascript.js b/components/prism-javascript.js
@@ -1,7 +1,10 @@
 Prism.languages.javascript = Prism.languages.extend('clike', {
 	'class-name': [
 		Prism.languages.clike['class-name'],
-		/[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/
+		{
+			pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
+			lookbehind: true
+		}
 	],
 	'keyword': [
 		{

diff --git a/components/prism-javascript.min.js b/components/prism-javascript.min.js
diff --git a/prism.js b/prism.js
@@ -727,7 +727,10 @@ Prism.languages.clike = {
 Prism.languages.javascript = Prism.languages.extend('clike', {
 	'class-name': [
 		Prism.languages.clike['class-name'],
-		/[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/
+		{
+			pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
+			lookbehind: true
+		}
 	],
 	'keyword': [
 		{

diff --git a/tests/languages/javascript/supposed-classes_feature.test b/tests/languages/javascript/supposed-classes_feature.test
@@ -1,5 +1,6 @@
 Foo.prototype.bar;
 Bar.constructor;
+fooBar.prototype.bar;
 
 ----------------------------------------------------
 
@@ -14,6 +15,13 @@ Bar.constructor;
 	["class-name", "Bar"],
 	["punctuation", "."],
 	"constructor",
+	["punctuation", ";"],
+
+	"\nfooBar",
+	["punctuation", "."],
+	"prototype",
+	["punctuation", "."],
+	"bar",
 	["punctuation", ";"]
 ]