Better Nesting in JSX attributes

Credit @jquense
PrismJS · Dec 29, 2015 · 971dda7 · 971dda7
1 parent d9b351f
commit 971dda7
Showing 1 changed file with 10 additions and 7 deletions.
diff --git a/components/prism-jsx.js b/components/prism-jsx.js
@@ -3,20 +3,23 @@
 var javascript = Prism.util.clone(Prism.languages.javascript);
 
 Prism.languages.jsx = Prism.languages.extend('markup', javascript);
-Prism.languages.jsx.tag.pattern= /<\/?[\w:-]+\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|[^\s'">=]+|(\{[\w\W]*?\})))?\s*)*\/?>/i;
+Prism.languages.jsx.tag.pattern= /<\/?[\w\.:-]+\s*(?:\s+[\w\.:-]+(?:=(?:("|')(\\?[\w\W])*?\1|[^\s'">=]+|(\{[\w\W]*?\})))?\s*)*\/?>/i;
 
 Prism.languages.jsx.tag.inside['attr-value'].pattern = /=[^\{](?:('|")[\w\W]*?(\1)|[^\s>]+)/i;
 
+var jsxExpression = Prism.util.clone(Prism.languages.jsx);
+
+delete jsxExpression.punctuation
+
+jsxExpression = Prism.languages.insertBefore('jsx', 'operator', {
+  'punctuation': /=(?={)|[{}[\];(),.:]/
+}, { jsx: jsxExpression });
+
 Prism.languages.insertBefore('inside', 'attr-value',{
 	'script': {
 		// Allow for one level of nesting
 		pattern: /=(\{(?:\{[^}]*\}|[^}])+\})/i,
-		inside: {
-			'function' : Prism.languages.javascript.function,
-			'punctuation': /[={}[\];(),.:]/,
-			'keyword':  Prism.languages.javascript.keyword,
-			'boolean': Prism.languages.javascript.boolean
-		},
+		inside: jsxExpression,
 		'alias': 'language-javascript'
 	}
 }, Prism.languages.jsx.tag);