Handel null and undefined in __rest

Author: mhegazy

src/compiler/transformers/destructuring.ts

@@ -459,7 +459,7 @@ namespace ts {
                 var t = {};
                 for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
                     t[p] = s[p];
-                if (typeof Object.getOwnPropertySymbols === "function")
+                if (s != null && typeof Object.getOwnPropertySymbols === "function")
                     for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
                         t[p[i]] = s[p[i]];
                 return t;

tests/baselines/reference/objectRest.js

@@ -43,7 +43,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/objectRestAssignment.js

@@ -19,7 +19,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/objectRestForOf.js

@@ -27,7 +27,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/objectRestNegative.js

@@ -23,7 +23,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/objectRestParameter.js

@@ -22,7 +22,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/restIntersectionOrIntersection.js

@@ -16,7 +16,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/restInvalidArgumentType.js

@@ -64,7 +64,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/restUnion.js

@@ -20,7 +20,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;

tests/baselines/reference/restUnion2.js

@@ -23,7 +23,7 @@ var __rest = (this && this.__rest) || function (s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;