Merge pull request #890 from PrismJS/LeaVerou-patch-1

Add before-highlightall hook
PrismJS · Feb 14, 2016 · 49a3324 · 49a3324
2 parents eb2a8d8 + 70a8602
commit 49a3324
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/components/prism-core.js b/components/prism-core.js
@@ -154,10 +154,17 @@ var _ = _self.Prism = {
 	plugins: {},
 
 	highlightAll: function(async, callback) {
-		var elements = document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code');
+		var env = {
+			callback: callback,
+			selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
+		};
+
+		_.hooks.run("before-highlightall", env);
+
+		var elements = document.querySelectorAll(env.selector);
 
 		for (var i=0, element; element = elements[i++];) {
-			_.highlightElement(element, async === true, callback);
+			_.highlightElement(element, async === true, env.callback);
 		}
 	},