add es6 template string highlighting to javascript mode

lib/ace/edit_session/bracket_match.js

@@ -117,6 +117,7 @@ function BracketMatch() {
             typeRe = new RegExp(
                 "(\\.?" +
                 token.type.replace(".", "\\.").replace("rparen", ".paren")
+                    .replace(/\b(?:end|start|begin)\b/, "")
                 + ")+"
             );
         }
@@ -173,6 +174,7 @@ function BracketMatch() {
             typeRe = new RegExp(
                 "(\\.?" +
                 token.type.replace(".", "\\.").replace("lparen", ".paren")
+                    .replace(/\b(?:end|start|begin)\b/, "")
                 + ")+"
             );
         }

lib/ace/mode/javascript_highlight_rules.js

@@ -193,6 +193,39 @@ var JavaScriptHighlightRules = function() {
                 token : "punctuation.operator",
                 regex : /\?|\:|\,|\;|\./,
                 next  : "start"
+            }, {
+                regex: "[{}]", onMatch: function(val, state, stack) {
+                console.log(val, state, stack)
+                    this.next = "";
+                    if (val == "{" && stack.length) {
+                        stack.unshift("start", state);
+                        return "paren";
+                    }
+                    if (val == "}" && stack.length) {
+                        stack.shift();
+                        this.next = stack.shift();
+                        if (this.next.indexOf("string") != -1)
+                            return "paren.quasi.end";
+                    }
+                    return "paren";
+                }
+            }, {
+                token : "string.quasi.start",
+                regex : /`/,
+                push  : [{
+                    token : "constant.language.escape",
+                    regex : escapedRe
+                }, {
+                    token : "paren.quasi.start",
+                    regex : /\${/,
+                    push  : "start"
+                }, {
+                    token : "string.quasi.end",
+                    regex : /`/,
+                    next  : "pop"
+                }, {
+                    defaultToken: "string.quasi"
+                }]
             }, {
                 token : "paren.lparen",
                 regex : /[\[({]/,
@@ -357,6 +390,8 @@ var JavaScriptHighlightRules = function() {
 
     this.embedRules(DocCommentHighlightRules, "doc-",
         [ DocCommentHighlightRules.getEndRule("no_regex") ]);
+    
+    this.normalizeRules();
 };
 
 oop.inherits(JavaScriptHighlightRules, TextHighlightRules);