fix member expression generation on object integers

src/babel/generation/generators/expressions.js

@@ -1,4 +1,3 @@
-import isInteger from "is-integer";
 import isNumber from "lodash/lang/isNumber";
 import * as t from "../../types";
 
@@ -148,8 +147,6 @@ export {
   AssignmentExpression as AssignmentPattern
 };
 
-var SCIENTIFIC_NOTATION = /e/i;
-
 export function MemberExpression(node, print) {
   var obj = node.object;
   print.plain(obj);
@@ -168,11 +165,6 @@ export function MemberExpression(node, print) {
     print.plain(node.property);
     this.push("]");
   } else {
-    // 5..toFixed(2);
-    if (t.isLiteral(obj) && isInteger(obj.value) && !SCIENTIFIC_NOTATION.test(obj.value.toString())) {
-      this.push(".");
-    }
-
     this.push(".");
     print.plain(node.property);
   }

src/babel/generation/generators/types.js

@@ -1,5 +1,6 @@
 /* eslint quotes: 0 */
 
+import isInteger from "is-integer";
 import * as t from "../../types";
 
 export function Identifier(node) {
@@ -90,7 +91,9 @@ export function ArrayExpression(node, print) {
 
 export { ArrayExpression as ArrayPattern };
 
-export function Literal(node) {
+const SCIENTIFIC_NOTATION = /e/i;
+
+export function Literal(node, print, parent) {
   var val  = node.value;
   var type = typeof val;
 
@@ -100,11 +103,17 @@ export function Literal(node) {
     // check to see if this is the same number as the raw one in the original source as asm.js uses
     // numbers in the form 5.0 for type hinting
     var raw = node.raw;
-    if (val === +raw && raw[raw.length - 1] !== "." && !/^0[bo]/i.test(raw)) {
-      this.push(raw);
-    } else {
-      this.push(val + "");
+    if (val === +raw && raw[raw.length - 1] !== ".") {
+      val = raw;
     }
+
+    val = val + "";
+
+    if (isInteger(+val) && t.isMemberExpression(parent, { object: node }) && !SCIENTIFIC_NOTATION.test(val)) {
+      val += ".";
+    }
+
+    this.push(val);
   } else if (type === "boolean") {
     this.push(val ? "true" : "false");
   } else if (node.regex) {