Add ES2015.Core to tsconfig

packages/geojson-extension/tsconfig.json

@@ -8,7 +8,7 @@
     "moduleResolution": "node",
     "target": "ES5",
     "outDir": "./lib",
-    "lib": ["ES5", "ES2015.Promise", "DOM", "ES2015.Collection", "es2016"],
+    "lib": ["ES5", "ES2015.Core", "ES2015.Promise", "ES2015.Collection", "DOM"],
     "jsx": "react",
     "types": []
   },

packages/json-extension/tsconfig.json

@@ -8,7 +8,7 @@
     "moduleResolution": "node",
     "target": "ES5",
     "outDir": "./lib",
-    "lib": ["ES5", "DOM", "ES2015.Core", "ES2015.Collection", "ES2015.Promise"],
+    "lib": ["ES5", "ES2015.Core", "ES2015.Promise", "ES2015.Collection", "DOM"],
     "jsx": "react",
     "types": []
   },

packages/metapackage/tsconfig.json

@@ -10,6 +10,7 @@
     "outDir": "./lib",
     "lib": [
       "ES5",
+      "ES2015.Core",
       "ES2015.Collection",
       "ES2015.Promise",
       "DOM"

packages/vdom-extension/tsconfig.json

@@ -8,7 +8,7 @@
     "moduleResolution": "node",
     "target": "ES5",
     "outDir": "./lib",
-    "lib": ["ES5", "DOM", "ES2015.Promise", "ES2015.Collection", "ES2016"],
+    "lib": ["ES5", "ES2015.Core", "ES2015.Promise", "ES2015.Collection", "DOM"],
     "jsx": "react",
     "types": []
   },