estree: correctly change literals in all cases (#368)

src/plugins/estree.js

@@ -18,11 +18,7 @@ pp.estreeParseRegExpLiteral = function ({ pattern, flags }) {
 };
 
 pp.estreeParseLiteral = function (value) {
-  const node = this.parseLiteral(value, "Literal");
-  node.raw = node.extra.raw;
-  delete node.extra;
-
-  return node;
+  return this.parseLiteral(value, "Literal");
 };
 
 pp.directiveToStmt = function (directive) {
@@ -177,6 +173,16 @@ export default function (instance) {
     };
   });
 
+  instance.extend("parseLiteral", function(inner) {
+    return function (...args) {
+      const node = inner.call(this, ...args);
+      node.raw = node.extra.raw;
+      delete node.extra;
+
+      return node;
+    };
+  });
+
   instance.extend("parseMethod", function(inner) {
     return function (node, ...args) {
       let funcNode = this.startNode();